/* styles.css — kept in sync with index.html tokens. Used as fallback. */

/* Dark base prevents cream-flash before video loads */
html { background: #0A0F14; }

/* Fixed full-viewport video background */
.site-video-bg { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: none; overflow: hidden; background: #0A0F14; }
.site-video-bg video { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; background: #0A0F14; }
.site-video-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,11,9,0.55) 0%, rgba(5,11,9,0.35) 30%, rgba(5,11,9,0.55) 75%, rgba(5,11,9,0.75) 100%),
    linear-gradient(90deg, rgba(5,11,9,0.50) 0%, rgba(5,11,9,0.20) 50%, rgba(5,11,9,0.10) 100%);
  pointer-events: none;
}
[data-theme="dark"] .site-video-bg::after {
  background:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(37,99,235,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 80%, rgba(96,165,250,0.10) 0%, transparent 55%),
    linear-gradient(180deg, rgba(5,11,9,0.82) 0%, rgba(5,11,9,0.72) 40%, rgba(5,11,9,0.86) 100%);
  animation: auroraDrift 22s ease-in-out infinite;
  will-change: transform, opacity;
}
@keyframes auroraDrift {
  0%, 100% { transform: translate3d(0,0,0) scale(1); opacity: 1; }
  50%      { transform: translate3d(-1.5%, 1%, 0) scale(1.04); opacity: 0.9; }
}
@media (prefers-reduced-motion: reduce) {
  [data-theme="dark"] .site-video-bg::after { animation: none; }
}
main, nav, footer { position: relative; z-index: 2; }
body.has-video-bg { background: transparent !important; }

/* Glass plate — solid (backdrop-filter removed; caused fast-scroll blackouts) */
.glass-plate {
  position: relative;
  background: #F4F0E8;
  border: 1px solid rgba(20, 52, 43, 0.10);
  box-shadow: 0 32px 80px rgba(0,0,0,0.18), 0 4px 12px rgba(0,0,0,0.06);
}
[data-theme="dark"] .glass-plate {
  background:
    linear-gradient(180deg, rgba(30, 39, 48, 0.85) 0%, rgba(15, 22, 28, 1) 30%),
    #0F161C;
  border-color: rgba(244,240,232,0.10);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(244, 240, 232, 0.06);
}
[data-theme="dark"] .glass-plate::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(96,165,250,0.10) 0%, transparent 60%);
  opacity: 1;
}

/* Logo signal-dot pulse in dark mode */
@keyframes logoPulse {
  0%, 100% { opacity: 1;    filter: drop-shadow(0 0 0 transparent); }
  50%      { opacity: 0.92; filter: drop-shadow(0 0 8px rgba(96,165,250,0.85)) drop-shadow(0 0 14px rgba(96,165,250,0.35)); }
}
[data-theme="dark"] svg circle[fill="#60A5FA"] {
  animation: logoPulse 3.6s cubic-bezier(0.4,0,0.6,1) infinite;
  transform-box: fill-box; transform-origin: center;
}
@media (prefers-reduced-motion: reduce) {
  [data-theme="dark"] svg circle[fill="#60A5FA"] { animation: none; }
}

/* Premium hover lift for primary CTAs in dark — magnetic feel */
[data-theme="dark"] a[href="#"] { will-change: transform; }
[data-theme="dark"] .glass-plate { transition: border-color 0.6s var(--ease-out, cubic-bezier(0.16,1,0.3,1)); }
[data-theme="dark"] .glass-plate.in-view { border-color: rgba(96,165,250,0.18); }

/* Hairline shimmer on top edge of nav when scrolled */
@keyframes navShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.glass-plate--rounded { border-radius: 22px; }
.plate-section { padding: 24px 0; position: relative; z-index: 2; }

:root {
  --bg: #F4F0E8;
  --bg-deep: #EDE7DA;
  --ink: #0A1612;
  --ink-soft: #1B2A24;
  --surface: #ECE5D5;
  --surface-raised: #E2D9C5;
  --hairline: #D4CBB4;
  --hairline-strong: #B8AC91;
  --muted: #6B6457;
  --muted-soft: #8C8576;
  --forest: #14342B;
  --forest-deep: #0A1F1A;
  --forest-mid: #1F4A3D;
  --moss: #3A6B5A;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-soft: #3B82F6;
  --accent-dim: rgba(37,99,235,0.10);
  --accent-glow: rgba(37,99,235,0.22);
  --signal: #2563EB;
  --signal-dim: rgba(37,99,235,0.12);
  --pulse: #5DA88A;
  --ff-display: 'General Sans', 'Geist', system-ui, sans-serif;
  --ff-body: 'Geist', system-ui, sans-serif;
  --ff-mono: 'Geist Mono', 'Courier New', monospace;
  --ease: cubic-bezier(0.4,0,0.2,1);
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --ease-in: cubic-bezier(0.4,0,1,1);
  --ease-spring: cubic-bezier(0.34,1.36,0.64,1);
}

[data-theme="dark"] {
  /* Slate-charcoal palette — neutral surfaces let the blue accent and
     teal brand-mark do all the chromatic work. */
  --bg: #161E26;
  --bg-deep: #0A0F14;
  --ink: #F4F0E8;
  --ink-soft: #C9CCD2;
  --surface: #1E2730;
  --surface-raised: #2A343F;
  --hairline: #2A343F;
  --hairline-strong: #3A4A5C;
  --muted: #8A93A0;
  --muted-soft: #6E7682;
  --accent: #60A5FA;
  --accent-hover: #93C5FD;
  --accent-soft: #3B82F6;
  --accent-dim: rgba(96,165,250,0.14);
  --accent-glow: rgba(96,165,250,0.28);
  --signal: #60A5FA;
  --signal-dim: rgba(96,165,250,0.14);
  --pulse: #7DC9A8;
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--ff-body); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img, svg { display: block; }
::selection { background: var(--accent-dim); }

/* ───────── Responsive: iPad portrait + below ───────── */
@media (max-width: 1024px) {
  .plate-section { padding: 28px 0 !important; margin-left: 16px; margin-right: 16px; }
  .glass-plate--rounded { border-radius: 16px !important; }
}
@media (max-width: 820px) {
  .plate-section { margin-left: 12px; margin-right: 12px; }
}
@media (max-width: 640px) {
  .plate-section { padding: 16px 0 !important; margin-left: 8px; margin-right: 8px; }
  .glass-plate--rounded { border-radius: 14px !important; }
  /* On agent pages, force inner plate paddings down on phones */
  .glass-plate { padding: 36px 22px !important; }
}

/* ───────── Agent detail pages ───────── */
@media (max-width: 1024px) {
  .agent-hero-grid,
  .agent-overview-grid,
  .agent-integrations-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .agent-cap-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .agent-workflow-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .agent-others-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 12px !important; }
  .agent-metrics { grid-template-columns: repeat(3, 1fr) !important; }
  /* Hide workflow arrows when grid wraps (they'd point into empty space) */
  .agent-workflow-grid svg[data-workflow-arrow] { display: none !important; }
}
@media (max-width: 640px) {
  .agent-cap-grid { grid-template-columns: 1fr !important; }
  .agent-workflow-grid { grid-template-columns: 1fr !important; }
  .agent-others-grid { grid-template-columns: 1fr !important; }
  .agent-integrations-grid { grid-template-columns: 1fr !important; }
  .agent-metrics { grid-template-columns: 1fr 1fr !important; }
  .agent-hero-grid h1 { font-size: clamp(48px, 14vw, 72px) !important; }
}

/* ───────── Animations used across agent pages ───────── */
@keyframes heroUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}
@media (prefers-reduced-motion: reduce) {
  [class*="heroUp"], [style*="heroUp"] { animation: none !important; }
}

/* Plates: visible by default, no scroll-reveal (caused blackouts on fast scroll) */
.plate-section .glass-plate {
  opacity: 1;
  transform: none;
}

/* Demo sidebar hide + frame height for agent pages (matches homepage) */
@media (max-width: 1024px) {
  .demo-sidebar { display: none !important; }
}

/* ── Premium nav CTA (matches index.html inline rule) ───────────── */
.echo-cta--nav {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 14px;
  border-radius: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #F4F0E8;
  text-decoration: none;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0) 50%),
    linear-gradient(180deg, #3B82F6 0%, #2563EB 100%);
  border: 1px solid rgba(96,165,250,0.6);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.22) inset,
    0 -1px 0 rgba(0,0,0,0.20) inset,
    0 6px 18px rgba(37,99,235,0.35),
    0 1px 2px rgba(0,0,0,0.30);
  transition: transform 0.18s var(--ease-out), box-shadow 0.18s var(--ease-out), filter 0.18s var(--ease-out);
}
.echo-cta--nav::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
  z-index: 0;
}
.echo-cta--nav:hover { transform: translateY(-1px); filter: brightness(1.08); box-shadow: 0 1px 0 rgba(255,255,255,0.28) inset, 0 -1px 0 rgba(0,0,0,0.20) inset, 0 10px 26px rgba(37,99,235,0.55), 0 2px 4px rgba(0,0,0,0.30); }
.echo-cta--nav:hover::before { transform: translateX(120%); }
.echo-cta--nav:active { transform: translateY(0); filter: brightness(0.96); }
.echo-cta--nav .echo-cta__dot { position: relative; width: 6px; height: 6px; border-radius: 50%; background: #7DC9A8; box-shadow: 0 0 0 2px rgba(125,201,168,0.18), 0 0 8px rgba(125,201,168,0.85); z-index: 1; }
.echo-cta--nav .echo-cta__label,
.echo-cta--nav .echo-cta__arrow { position: relative; z-index: 1; }
.echo-cta--nav .echo-cta__arrow { transition: transform 0.22s var(--ease-out); }
.echo-cta--nav:hover .echo-cta__arrow { transform: translateX(2px); }

/* ═══════════════════════════════════════════════════════════════════
   MOBILE + TABLET RESPONSIVE — all rules scoped to breakpoints
   Desktop layout is untouched above this block.
   ═══════════════════════════════════════════════════════════════════ */

/* ── iPad / large tablet (≤ 1024px) ───────────────────────────── */
@media (max-width: 1024px) {
  /* Homepage agents grid: 4-up → 2-up so iPad portrait doesn't squeeze cards */
  .agents-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  /* Problem stats: 4-up → 2-up to avoid stat-label wrap chaos */
  .problem-stats,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  /* AgentsAndDemo: collapse earlier so the demo column doesn't get cramped */
  .agents-demo-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
}

/* ── Tablet (≤ 768px) ─────────────────────────────────────────── */
@media (max-width: 768px) {

  /* Hero: reduce horizontal padding */
  .hero-content {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  /* Live ticker: allow it to shrink and wrap on narrow screens */
  .hero-content [style*="minWidth: 340"] {
    min-width: 0 !important;
    width: 100%;
  }

  /* Glass plate inner padding: reduce 56px → 28px horizontal */
  .glass-plate--rounded {
    padding-left: 28px !important;
    padding-right: 28px !important;
  }

  /* Problem section header: stack on tablet */
  .problem-header {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    margin-bottom: 32px !important;
  }

  /* How It Works: stack steps vertically */
  .how-grid {
    grid-template-columns: 1fr !important;
    border-top: 1px solid var(--hairline);
  }
  .how-step {
    border-right: none !important;
    border-bottom: 1px solid var(--hairline) !important;
    padding: 28px 0 !important;
  }
  .how-step:last-child {
    border-bottom: none !important;
  }

  /* Comparison table: enable horizontal scroll on small tablets */
  .compare-table {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .compare-header,
  .compare-row {
    grid-template-columns: 120px 1fr 1fr !important;
    min-width: 520px;
  }

  /* Footer grid: stack to 2-col on tablet */
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 28px !important;
    margin-bottom: 36px !important;
  }

  /* Agents section header: stack title + "All agents" link */
  #agents > div > div:first-child {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 16px !important;
  }

  /* Agents section inner padding */
  #agents > div {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  /* Demo device frame: shorter on tablet */
  .demo-device-frame {
    height: 480px !important;
  }

  /* Pillar rows (Why Echo): force single column on tablet */
  .pillar-row {
    grid-template-columns: 1fr !important;
    min-height: auto !important;
  }
  .pillar-text {
    order: 1 !important;
    border-right: none !important;
    border-left: none !important;
    border-bottom: 1px solid var(--hairline) !important;
  }
  .pillar-visual {
    order: 2 !important;
  }

  /* AgentsAndDemo: already has inline @media at 980px but reinforce for tablet */
  .agents-demo-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ── Phone (≤ 640px) ──────────────────────────────────────────── */
@media (max-width: 640px) {

  /* Hero: tighten padding further */
  .hero-content {
    padding-left: 16px !important;
    padding-right: 16px !important;
    padding-top: 90px !important;
  }

  /* Glass plate horizontal padding: phone minimum */
  .glass-plate--rounded {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  /* Agents grid: 1 column */
  .agents-grid {
    grid-template-columns: 1fr !important;
  }

  /* Stats grid (Problem section): 2×2 */
  .stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }

  /* Footer grid: single column */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Comparison table: horizontal scroll, tighter label col */
  .compare-header,
  .compare-row {
    grid-template-columns: 100px 1fr 1fr !important;
    min-width: 480px;
  }

  /* Demo device frame: shorter on phone */
  .demo-device-frame {
    height: 380px !important;
  }

  /* Nav: hide middle nav links, keep logo + CTA */
  .nav-links {
    display: none !important;
  }

  /* Trust bar / logo bar in hero: allow wrapping with tighter gap */
  .hero-content [style*="gap: 22"] {
    gap: 12px !important;
    flex-wrap: wrap !important;
  }

  /* Hero bottom ticker row: full width */
  .hero-content [style*="justifyContent: 'flex-start'"] {
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  /* Pillar rows: reduce padding on phone */
  .pillar-text {
    padding: 28px 20px !important;
  }
  .pillar-visual {
    padding: 20px !important;
  }

  /* How-step: tighten padding on phone */
  .how-step {
    padding: 24px 0 !important;
  }

  /* Agents demo grid section inner spacing */
  .agents-demo-grid {
    gap: 20px !important;
  }

  /* StatCard: prevent nowrap + overflow on small screens */
  .stats-grid > div {
    min-width: 0 !important;
    padding: 18px 14px !important;
    min-height: 140px !important;
  }
  .stat-value {
    white-space: nowrap !important;
    font-size: clamp(20px, 5.5vw, 28px) !important;
    overflow-wrap: anywhere;
  }
  .stat-label {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    font-size: 12px !important;
  }

  /* Agent detail footer grid: ensure 1 col */
  .agent-detail-footer .footer-grid {
    grid-template-columns: 1fr !important;
  }

  /* OtherAgents on agent pages: already 1 col via .agent-others-grid, but reinforce */
  .agent-others-grid {
    grid-template-columns: 1fr !important;
  }

  /* Nav: tighter horizontal padding on phone */
  nav > div {
    padding-left: 16px !important;
    padding-right: 16px !important;
    gap: 12px !important;
  }

  /* Agent hero plate: tighter padding on phone */
  .glass-plate {
    padding: 36px 22px !important;
  }

  /* Agent hero h1 sizing */
  .agent-hero-grid h1 {
    font-size: clamp(56px, 16vw, 80px) !important;
    margin-bottom: 16px !important;
  }

  /* Agent hero: tighten gap between left text + right cards */
  .agent-hero-grid {
    gap: 28px !important;
  }

  /* Agent overview/integrations: ensure 1-col already (CSS above), tighten gap */
  .agent-overview-grid,
  .agent-integrations-grid {
    gap: 28px !important;
  }

  /* Agent capabilities: keep 1 col on phone */
  .agent-cap-grid > div {
    padding: 28px 22px !important;
  }

  /* Agent workflow steps: full width with margin between */
  .agent-workflow-grid > div {
    padding-right: 0 !important;
  }

  /* Agent metrics: tighter */
  .agent-metrics > div {
    padding: 16px 14px !important;
  }
  .agent-metrics > div > div:first-child {
    font-size: 24px !important;
  }

  /* OtherAgents header: stack title + link */
  .agent-others-grid + div,
  section .glass-plate > div:first-child[style*="space-between"] {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 14px !important;
  }
}

/* Tablet-specific agent page fixes */
@media (max-width: 1024px) {
  /* Agent hero: reduce padding */
  .agent-hero-grid h1 {
    font-size: clamp(56px, 11vw, 96px) !important;
  }
  /* Agent hero section: respect fixed nav (60px) + breathing room */
  .agent-hero-section {
    padding-top: 92px !important;
    padding-bottom: 28px !important;
  }
}

@media (max-width: 640px) {
  /* Agent hero section: tighter but still clears nav with breathing room */
  .agent-hero-section {
    padding-top: 84px !important;
    padding-bottom: 20px !important;
  }
  /* Reduce inner breadcrumb gap on phone */
  .agent-hero-section .glass-plate > div > div:first-child {
    margin-bottom: 24px !important;
  }
}