/* BothPort Landing Page - Pure Modern Vanilla CSS */
/* Palette: Blue-Violet with strictly ONE gradient as requested */

:root {
  /* Surface and Background Colors (Solid) */
  --bg-main: #0a0d18;
  --bg-surface: #0f1324;
  --bg-card: #151a30;
  --bg-card-hover: #191f3a;
  --bg-terminal: #0b0e1c;
  --header-bg: rgba(10, 13, 24, 0.88);

  /* Borders & Dividers (Solid / RGBA) */
  --border-subtle: rgba(99, 102, 241, 0.16);
  --border-active: rgba(124, 58, 237, 0.4);
  --border-focus: #6366f1;

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;

  /* Accents */
  --accent-blue: #4f46e5;
  --accent-violet: #7c3aed;
  --accent-cyan: #38bdf8;
  --accent-green: #10b981;

  /* THE SINGLE GRADIENT ON THE ENTIRE PAGE */
  --the-single-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

  /* Radius & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

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

html {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background Ambient Glow (Subtle solid radial illumination) */
.ambient-glow {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(10, 13, 24, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 4vw, 2rem);
  padding-right: clamp(1rem, 4vw, 2rem);
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  display: flex;
  align-items: center;
}

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

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

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a78bfa;
}

.brand-title {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-item:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons (Using the single gradient on the primary button) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--the-single-gradient); /* THE SINGLE GRADIENT */
  color: #ffffff;
  padding: 0.72rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5);
  color: #ffffff;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 0.72rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Hero Section */
.hero-section {
  padding-top: clamp(3.5rem, 8vh, 5.5rem);
  padding-bottom: clamp(3rem, 6vh, 4.5rem);
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 960px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulseAnimation 2s infinite ease-in-out;
}

@keyframes pulseAnimation {
  0% { opacity: 0.4; }
  50% { opacity: 1; transform: scale(1.15); }
  100% { opacity: 0.4; }
}

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

.status-divider {
  color: var(--text-muted);
}

.status-target {
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 58ch;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-btn {
  padding: 0.9rem 1.8rem;
  font-size: 1rem;
}

/* Hero Metrics */
.hero-metrics {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem 2.2rem;
  padding: 1.25rem 1.6rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  width: 100%;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.metric-separator {
  width: 1px;
  height: 36px;
  background-color: var(--border-subtle);
}

/* Sections Common */
.section {
  padding-top: clamp(4rem, 8vh, 6rem);
  padding-bottom: clamp(4rem, 8vh, 6rem);
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 3rem;
  max-width: 700px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

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

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.bento-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  background-color: var(--bg-card-hover);
}

.bento-span-2 {
  grid-column: span 2;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #a78bfa;
  background-color: rgba(124, 58, 237, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Terminal Preview Inside Bento */
.terminal-preview {
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: auto;
}

.term-header {
  background-color: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #eab308; }
.dot.green { background-color: #22c55e; }

.term-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.term-code {
  padding: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: #c7d2fe;
  overflow-x: auto;
  line-height: 1.5;
}

/* Spec Tags */
.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.spec-tag {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Bot Flow Row */
.bot-flow-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: auto;
}

.flow-step {
  flex: 1;
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: #a78bfa;
  margin-bottom: 2px;
}

.step-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.flow-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Tariffs Section */
.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.tariff-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.tariff-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  background-color: var(--bg-card-hover);
}

.tariff-featured {
  border-color: var(--border-active);
  background-color: #181d38;
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent-violet);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.tariff-header {
  margin-bottom: 1.25rem;
}

.tariff-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.tariff-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.tariff-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 1.5rem;
}

.price-val {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
}

.price-curr {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.tariff-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.tariff-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tariff-features svg {
  color: #38bdf8;
  flex-shrink: 0;
}

.tariff-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
}

/* Commands & Setup */
.commands-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
}

.cmd-tabs-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.cmd-tab-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.tab-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface);
}

.tab-btn.active {
  color: #ffffff;
  background-color: var(--accent-violet);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.cmd-pane-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.cmd-pill {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: #a78bfa;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.cmd-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.tab-pane p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Setup Box */
.setup-box {
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.setup-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.setup-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.setup-code {
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: #e2e8f0;
  line-height: 1.6;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.setup-footnote {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.setup-footnote code {
  color: #a78bfa;
  font-family: 'JetBrains Mono', monospace;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: var(--border-active);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: #a78bfa;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-answer a {
  color: #38bdf8;
  text-decoration: underline;
}

/* Bottom CTA Banner */
.bottom-cta-section {
  padding-top: 2rem;
  padding-bottom: 5rem;
}

.cta-banner {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 50ch;
}

.cta-btn {
  padding: 0.9rem 1.8rem;
  font-size: 1rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.footer-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-left {
  max-width: 380px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.75rem;
}

.footer-badge {
  font-size: 0.75rem;
  color: #a78bfa;
  background-color: rgba(124, 58, 237, 0.12);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

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

.footer-links {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* Toast */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-active);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 1000;
  pointer-events: none;
}

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

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .tariffs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 64px;
  }
  .nav-links {
    display: none;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-span-2 {
    grid-column: span 1;
  }
  .tariffs-grid {
    grid-template-columns: 1fr;
  }
  .commands-wrapper {
    grid-template-columns: 1fr;
  }
  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .metric-separator {
    display: none;
  }
  .bot-flow-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .flow-arrow {
    display: none;
  }
}