/* ============================================
   AGENT FIRST API — Design Tokens & Styles
   Custom dark-first palette for developer tool
   ============================================ */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* 4px Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transition */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ======== DARK MODE (default) ======== */
:root, [data-theme="dark"] {
  --color-bg:             #0a0e14;
  --color-surface:        #0f1419;
  --color-surface-2:      #141a22;
  --color-surface-offset: #1a2130;
  --color-surface-dynamic: #1e2736;
  --color-divider:        #1e2736;
  --color-border:         #253040;

  --color-text:           #c8d1dc;
  --color-text-muted:     #6b7a8d;
  --color-text-faint:     #3d4f63;
  --color-text-inverse:   #0a0e14;

  /* Primary: cyan-teal accent */
  --color-primary:        #00d4aa;
  --color-primary-hover:  #00f0c0;
  --color-primary-active: #00b892;
  --color-primary-dim:    rgba(0, 212, 170, 0.12);

  /* Secondary: blue for links/info */
  --color-secondary:      #5b9cf5;
  --color-secondary-hover:#7db3ff;

  /* Error/Warning/Success */
  --color-error:          #f04848;
  --color-warning:        #f0a030;
  --color-success:        #34d058;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

/* ======== LIGHT MODE ======== */
[data-theme="light"] {
  --color-bg:             #f5f6f8;
  --color-surface:        #ffffff;
  --color-surface-2:      #f9fafb;
  --color-surface-offset: #eef0f4;
  --color-surface-dynamic: #e4e7ec;
  --color-divider:        #d4d9e1;
  --color-border:         #c0c7d1;

  --color-text:           #1a1e25;
  --color-text-muted:     #5a6475;
  --color-text-faint:     #98a1b0;
  --color-text-inverse:   #f5f6f8;

  --color-primary:        #008f72;
  --color-primary-hover:  #006b55;
  --color-primary-active: #004f3e;
  --color-primary-dim:    rgba(0, 143, 114, 0.1);

  --color-secondary:      #2563eb;
  --color-secondary-hover:#1d4ed8;

  --color-error:          #dc2626;
  --color-warning:        #d97706;
  --color-success:        #16a34a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f5f6f8;
    --color-surface:        #ffffff;
    --color-surface-2:      #f9fafb;
    --color-surface-offset: #eef0f4;
    --color-surface-dynamic: #e4e7ec;
    --color-divider:        #d4d9e1;
    --color-border:         #c0c7d1;
    --color-text:           #1a1e25;
    --color-text-muted:     #5a6475;
    --color-text-faint:     #98a1b0;
    --color-text-inverse:   #f5f6f8;
    --color-primary:        #008f72;
    --color-primary-hover:  #006b55;
    --color-primary-active: #004f3e;
    --color-primary-dim:    rgba(0, 143, 114, 0.1);
    --color-secondary:      #2563eb;
    --color-secondary-hover:#1d4ed8;
    --color-error:          #dc2626;
    --color-warning:        #d97706;
    --color-success:        #16a34a;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  }
}

/* ======== GLOBAL STYLES ======== */

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

code, pre {
  font-family: var(--font-mono);
}

/* ======== HEADER / NAV ======== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
}
.nav-logo svg {
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-links a:hover {
  color: var(--color-text);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-primary-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-bg);
  box-shadow: 0 0 20px var(--color-primary-dim);
}

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

/* ======== HERO ======== */

.hero {
  position: relative;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4) clamp(var(--space-12), 8vw, var(--space-24));
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,212,170,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(91,156,245,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: var(--content-wide);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius-full);
}
.hero-badge::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* Code window */
.code-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.code-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}
.code-dots {
  display: flex;
  gap: 6px;
}
.code-dots span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-dots span:nth-child(1) { background: #f04848; }
.code-dots span:nth-child(2) { background: #f0a030; }
.code-dots span:nth-child(3) { background: #34d058; }
.code-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-left: var(--space-2);
}

.code-body {
  padding: var(--space-4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.6rem + 0.4vw, 0.85rem);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.code-body .kw { color: #c792ea; }
.code-body .fn { color: #82aaff; }
.code-body .str { color: #c3e88d; }
.code-body .cmt { color: #546e7a; }
.code-body .num { color: #f78c6c; }
.code-body .var { color: var(--color-text); }
.code-body .op { color: #89ddff; }
.code-body .type { color: #ffcb6b; }

/* ======== SECTIONS ======== */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}

.section-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.section-header {
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ======== HOW IT WORKS (flow diagram) ======== */

.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .flow-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.flow-step {
  position: relative;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.flow-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

.flow-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.flow-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.flow-connector {
  display: none;
}

@media (min-width: 768px) {
  .flow-connector {
    display: block;
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    color: var(--color-primary);
    opacity: 0.5;
    z-index: 2;
  }
}

/* ======== FEATURES ======== */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.feature-card:hover {
  border-color: var(--color-text-faint);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ======== API PREVIEW ======== */

.api-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .api-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.api-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.api-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.api-method {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.api-method--post {
  color: #c3e88d;
  background: rgba(195, 232, 141, 0.12);
}
.api-method--get {
  color: #82aaff;
  background: rgba(130, 170, 255, 0.12);
}

.api-path {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.api-card-body {
  padding: var(--space-4);
}

.api-card-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.api-card-body pre {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  overflow-x: auto;
  font-size: clamp(0.7rem, 0.6rem + 0.3vw, 0.8rem);
  line-height: 1.7;
}

/* ======== FEE MODEL ======== */

.fee-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 900px) {
  .fee-content {
    grid-template-columns: 1fr 1fr;
  }
}

.fee-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.fee-stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.fee-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.fee-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.fee-detail {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.fee-comparison {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.fee-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.fee-bar-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  min-width: 100px;
  text-align: right;
}

.fee-bar-track {
  flex: 1;
  height: 28px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.fee-bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  padding-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-bg);
  white-space: nowrap;
  min-width: fit-content;
  padding-right: var(--space-2);
}

/* ======== DISCOVERY ======== */

.discovery-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.discovery-card pre {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  font-size: clamp(0.7rem, 0.6rem + 0.3vw, 0.8rem);
  line-height: 1.7;
}

/* ======== CTA ======== */

.cta-section {
  text-align: center;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-4);
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(0,212,170,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  max-width: var(--content-narrow);
  margin-inline: auto;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.cta-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ======== FOOTER ======== */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-4);
}

.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--color-text);
}

/* ======== SCROLL ANIMATIONS ======== */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ======== MOBILE NAV ======== */

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 1px;
  transition: all var(--transition-interactive);
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-3);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-right .btn {
    display: none;
  }
}

/* ======== RECEIPT SECTION ======== */

.receipt-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 900px) {
  .receipt-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

.receipt-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.receipt-text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.receipt-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.receipt-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.receipt-features li::before {
  content: '→';
  color: var(--color-primary);
  font-family: var(--font-mono);
}

/* Horizontal rule */
.section-divider {
  max-width: var(--content-wide);
  margin-inline: auto;
  border: none;
  border-top: 1px solid var(--color-border);
}

/* ======== ENTERPRISE NAV HIGHLIGHT ======== */

.nav-enterprise {
  color: var(--color-primary) !important;
  font-weight: 500;
}

/* ======== ENTERPRISE FEATURE DETAIL ======== */

.enterprise-feature-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 900px) {
  .enterprise-feature-detail {
    grid-template-columns: 1.1fr 1fr;
  }
}

.enterprise-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.enterprise-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.enterprise-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ======== ANALYTICS METRICS ======== */

.analytics-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .analytics-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

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

.metric-trend {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
}
.metric-trend--up { color: var(--color-success); }
.metric-trend--down { color: var(--color-error); }
.metric-trend--neutral { color: var(--color-text-faint); }

/* ======== EMERGENCY CONTROLS ======== */

.emergency-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .emergency-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.emergency-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive);
}
.emergency-card:hover {
  border-color: var(--color-text-faint);
}

.emergency-card--critical {
  border-color: rgba(240, 72, 72, 0.3);
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(240, 72, 72, 0.04) 100%);
}
.emergency-card--critical:hover {
  border-color: rgba(240, 72, 72, 0.5);
}

.emergency-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.emergency-card--critical .emergency-icon {
  color: var(--color-error);
}

.emergency-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.emergency-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ======== PRICING ======== */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 24px var(--color-primary-dim);
}

.pricing-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-bg);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.pricing-fee {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
}

.pricing-fee-label {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.pricing-features li::before {
  content: '\2713';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ======== FAQ ======== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.faq-item[open] {
  border-color: var(--color-text-faint);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-interactive);
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
  margin-left: var(--space-3);
}
.faq-item[open] .faq-question::after {
  content: '\2212';
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--space-5) var(--space-5);
}
.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}