:root {
    --primary: #1d4ed8;
    --secondary: #0ea5e9;
    --accent-violet: #7c3aed;
    --accent-amber: #d97706;
    --accent-teal: #0d9488;
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-soft: #eef2f7;
    --grad: linear-gradient(135deg, #1d4ed8, #0ea5e9);
    --grad-soft: linear-gradient(135deg, rgba(29,78,216,0.08), rgba(14,165,233,0.08));
    --grad-violet: linear-gradient(135deg, #7c3aed, #c026d3);
    --grad-violet-soft: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(192,38,211,0.08));
    --grad-amber: linear-gradient(135deg, #d97706, #f59e0b);
    --grad-amber-soft: linear-gradient(135deg, rgba(217,119,6,0.08), rgba(245,158,11,0.08));
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 1px rgba(15,23,42,0.03);
    --shadow-md: 0 4px 12px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.04);
    --shadow-lg: 0 24px 48px -12px rgba(15,23,42,0.12), 0 8px 16px -8px rgba(15,23,42,0.08);
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.55;
    font-size: 16px;
    overflow-x: hidden;
  }
  h1, h2, h3, h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.08;
    margin: 0;
    color: var(--text);
    text-wrap: balance;
  }
  p { margin: 0; color: var(--text-muted); text-wrap: pretty; }
  a { color: inherit; text-decoration: none; }
  ul { margin: 0; padding: 0; list-style: none; }
  button { font-family: inherit; cursor: pointer; border: 0; background: none; }

  .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
  .section { padding: 110px 0; position: relative; }
  .section-soft { background: var(--bg-soft); }

  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 20px; border-radius: 10px;
    font-size: 14.5px; font-weight: 600;
    transition: transform .15s, box-shadow .15s, background .15s;
  }
  .btn-primary {
    background: var(--grad); color: white;
    box-shadow: 0 6px 18px -6px rgba(29,78,216,0.5);
  }
  .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(29,78,216,0.6); }
  .btn-ghost { color: var(--text); border: 1px solid var(--border); background: white; }
  .btn-ghost:hover { border-color: var(--text-muted); }
  .btn-lg { padding: 14px 26px; font-size: 15px; border-radius: 12px; }

  /* ===== HERO ===== */
  .hero {
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(60% 40% at 80% 0%, rgba(124,58,237,0.10), transparent 60%),
      radial-gradient(50% 50% at 10% 30%, rgba(29,78,216,0.10), transparent 60%);
    pointer-events: none;
  }
  .hero-grid {
    position: relative;
    display: grid; grid-template-columns: 1.05fr 1fr;
    gap: 64px; align-items: center;
  }
  .hero h1 {
    font-size: clamp(40px, 5vw, 62px);
    line-height: 1.04;
  }
  .hero h1 .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .hero-sub {
    font-size: 18px; line-height: 1.55;
    margin-top: 24px; max-width: 560px;
    color: var(--text-muted);
  }
  .hero-ctas { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
  .hero-trust {
    margin-top: 28px;
    display: flex; gap: 18px; flex-wrap: wrap;
    font-size: 13px; color: var(--text-muted);
  }
  .hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
  .hero-trust svg { color: #047857; }

  /* Hero visual: chat + validation */
  .hero-vis {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    position: relative;
  }
  .hero-chat {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }
  .hero-chat-head {
    padding: 14px 18px;
    background: linear-gradient(180deg, #f8fafc 0%, white 100%);
    border-bottom: 1px solid var(--border-soft);
    display: flex; align-items: center; justify-content: space-between;
  }
  .hero-chat-who {
    display: flex; align-items: center; gap: 10px;
    font-size: 13px; font-weight: 600;
  }
  .hero-chat-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--grad);
    display: grid; place-items: center;
    color: white; font-size: 12px; font-weight: 700;
  }
  .hero-chat-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .hero-chat-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
  .hero-bubble {
    max-width: 78%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px; line-height: 1.5;
  }
  .hero-bubble--in {
    align-self: flex-start;
    background: #f1f5f9;
    color: var(--text);
    border-bottom-left-radius: 4px;
  }
  .hero-bubble--out {
    align-self: flex-end;
    background: var(--grad);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 6px 16px -6px rgba(29,78,216,0.45);
  }

  /* ===== HERO MULTI-AGENT VIS ===== */
  .agents-stage {
    display: flex; flex-direction: column; gap: 14px;
    position: relative;
  }
  .agents-stage-label {
    display: flex; align-items: center; justify-content: space-between;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 4px;
  }
  .agents-stage-label .live-dot {
    display: inline-flex; align-items: center; gap: 6px;
    color: #047857;
  }
  .agents-stage-label .live-dot::before {
    content: ''; width: 7px; height: 7px; border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 0 rgba(16,185,129,0.55);
    animation: live-pulse 1.6s ease-out infinite;
  }
  @keyframes live-pulse {
    0% { box-shadow: 0 0 0 0 rgba(16,185,129,0.55); }
    70% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
    100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
  }

  .agents-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .agent-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px 16px 14px;
    box-shadow: var(--shadow-md);
    display: flex; flex-direction: column; gap: 10px;
    position: relative;
    transition: transform .2s, box-shadow .2s;
  }
  .agent-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
  .agent-card-head {
    display: flex; align-items: center; gap: 10px;
  }
  .agent-icon {
    width: 34px; height: 34px; border-radius: 10px;
    display: grid; place-items: center;
    color: white; flex-shrink: 0;
  }
  .agent-icon--blue { background: var(--grad); }
  .agent-icon--violet { background: var(--grad-violet); }
  .agent-icon--amber { background: var(--grad-amber); }
  .agent-icon--green { background: linear-gradient(135deg, #059669 0%, #0d9488 100%); }
  .agent-name {
    font-size: 13.5px; font-weight: 700; line-height: 1.2;
    color: var(--text);
  }
  .agent-role {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
  }
  .agent-status {
    margin-left: auto;
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 10px; font-weight: 600;
    color: #047857;
  }
  .agent-status::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: #10b981;
    animation: live-pulse 1.6s ease-out infinite;
  }
  .agent-task {
    font-size: 12.5px; line-height: 1.45;
    color: var(--text);
    background: var(--bg-soft);
    border-radius: 8px;
    padding: 9px 11px;
  }
  .agent-task strong { color: var(--text); font-weight: 600; }
  .agent-meta {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
  }
  .agent-meta .ok {
    display: inline-flex; align-items: center; gap: 4px;
    color: #047857;
  }
  .agent-meta .ok svg { color: #10b981; }

  .agent-log {
    background: #0f172a;
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
  }
  .agent-log-head {
    display: flex; align-items: center; justify-content: space-between;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 8px;
  }
  .agent-log-head .dots {
    display: inline-flex; gap: 4px;
  }
  .agent-log-head .dots span {
    width: 7px; height: 7px; border-radius: 50%;
    background: rgba(255,255,255,0.2);
  }
  .agent-log-head .dots span:first-child { background: #ef4444; }
  .agent-log-head .dots span:nth-child(2) { background: #f59e0b; }
  .agent-log-head .dots span:nth-child(3) { background: #10b981; }
  .agent-log-feed {
    height: 180px;
    overflow: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(180deg, transparent 0, black 12%, black 88%, transparent 100%);
            mask-image: linear-gradient(180deg, transparent 0, black 12%, black 88%, transparent 100%);
  }
  .agent-log-feed-inner {
    display: flex; flex-direction: column; gap: 6px;
    animation: log-scroll 60s linear infinite;
  }
  @keyframes log-scroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
  }
  .log-row {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px; line-height: 1.4;
    color: rgba(255,255,255,0.85);
    display: flex; gap: 10px; align-items: baseline;
    white-space: nowrap;
  }
  .log-row .t { color: rgba(255,255,255,0.4); flex-shrink: 0; }
  .log-row .a { font-weight: 700; flex-shrink: 0; }
  .log-row .a--blue { color: #60a5fa; }
  .log-row .a--violet { color: #c4b5fd; }
  .log-row .a--amber { color: #fbbf24; }
  .log-row .a--green { color: #6ee7b7; }
  .log-row .m { color: rgba(255,255,255,0.7); overflow: hidden; text-overflow: ellipsis; }
  .log-row .ok { color: #6ee7b7; flex-shrink: 0; }
  .log-row .warn { color: #fbbf24; flex-shrink: 0; }
  .log-row .a--red { color: #fca5a5; }

  /* Validation panel */
  .hero-validation {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px 20px;
    box-shadow: var(--shadow-md);
    display: flex; flex-direction: column; gap: 10px;
  }
  .hero-val-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
  }
  .hero-val-row {
    display: flex; align-items: center; gap: 12px;
    font-size: 14px;
    color: var(--text);
  }
  .hero-val-check {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(4,120,87,0.10);
    color: #047857;
    display: grid; place-items: center;
    flex-shrink: 0;
  }

  /* ===== CORE VALUE — 3 columns ===== */
  .section-head { margin-bottom: 56px; max-width: 720px; }
  .section-head h2 {
    font-size: clamp(32px, 3.6vw, 46px);
  }
  .section-head p {
    margin-top: 18px;
    font-size: 17px; color: var(--text-muted);
  }
  .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

  .core-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .core-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform .15s, box-shadow .15s, border-color .15s;
  }
  .core-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
  .core-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--grad-soft);
    color: var(--primary);
    display: grid; place-items: center;
    margin-bottom: 22px;
  }
  .core-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
  }
  .core-card p { font-size: 14.5px; line-height: 1.6; }

  .core-aside {
    margin-top: 56px;
    text-align: center;
    padding: 28px 32px;
    background: white;
    border: 1px dashed var(--border);
    border-radius: 16px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }
  .core-aside p {
    font-size: 16px;
    color: var(--text);
    line-height: 1.5;
  }
  .core-aside p strong { font-weight: 700; color: var(--text); }
  .core-aside p .muted { color: var(--text-muted); }

  /* ===== CORE VARIANTS B / C / D ===== */

  /* VARIANT B — Editorial split (sticky title left, numbered list right) */
  .corev-b {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 80px;
    align-items: start;
  }
  .corev-b-aside {
    position: sticky; top: 100px;
  }
  .corev-b-aside h3 {
    font-size: 38px; line-height: 1.1; letter-spacing: -0.02em;
    margin-bottom: 18px;
  }
  .corev-b-aside p {
    font-size: 15.5px; line-height: 1.6; color: var(--text-muted);
    max-width: 380px;
  }
  .corev-b-list {
    display: flex; flex-direction: column;
    border-top: 1px solid var(--border);
  }
  .corev-b-row {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 28px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
  }
  .corev-b-num {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px; letter-spacing: 0.1em;
    color: var(--primary);
    padding-top: 6px;
  }
  .corev-b-row h4 {
    font-size: 22px; line-height: 1.2; letter-spacing: -0.01em;
    margin-bottom: 10px; font-weight: 700;
  }
  .corev-b-row p {
    font-size: 15px; line-height: 1.6; color: var(--text-muted);
    max-width: 540px;
  }

  /* VARIANT C — Dark control panel */
  .corev-c {
    background: #0f172a;
    border-radius: 24px;
    padding: 56px 56px 48px;
    color: white;
    position: relative; overflow: hidden;
  }
  .corev-c::before {
    content: ''; position: absolute; inset: 0;
    background:
      radial-gradient(circle at 15% 0%, rgba(96,165,250,0.18), transparent 50%),
      radial-gradient(circle at 85% 100%, rgba(196,181,253,0.14), transparent 50%);
    pointer-events: none;
  }
  .corev-c-head {
    display: flex; align-items: center; gap: 12px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 36px;
    position: relative;
  }
  .corev-c-head .dots {
    display: inline-flex; gap: 5px;
  }
  .corev-c-head .dots span {
    width: 9px; height: 9px; border-radius: 50%;
  }
  .corev-c-head .dots span:nth-child(1) { background: #ef4444; }
  .corev-c-head .dots span:nth-child(2) { background: #f59e0b; }
  .corev-c-head .dots span:nth-child(3) { background: #10b981; }
  .corev-c-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    overflow: hidden;
    position: relative;
  }
  .corev-c-row {
    background: #0f172a;
    padding: 28px 28px 24px;
    display: flex; flex-direction: column; gap: 12px;
    position: relative;
  }
  .corev-c-row .key {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(110, 231, 183, 0.85);
    display: inline-flex; align-items: center; gap: 8px;
  }
  .corev-c-row .key::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: #10b981;
  }
  .corev-c-row h4 {
    color: white; font-size: 22px; line-height: 1.2;
    letter-spacing: -0.01em; font-weight: 700;
  }
  .corev-c-row p {
    color: rgba(255,255,255,0.7); font-size: 14.5px; line-height: 1.6;
  }
  .corev-c-row .spec {
    margin-top: auto;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 12px;
    display: flex; gap: 16px; flex-wrap: wrap;
  }
  .corev-c-row .spec span { display: inline-flex; align-items: center; gap: 6px; }

  /* VARIANT D — Compare strip (Most AI tools vs SnipCat) */
  .corev-d {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }
  .corev-d-col {
    padding: 36px 36px 32px;
    display: flex; flex-direction: column;
  }
  .corev-d-col--bad {
    background: #fef9f9;
    border-right: 1px solid var(--border);
  }
  .corev-d-col--good {
    background: white;
    position: relative;
  }
  .corev-d-col--good::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--grad);
  }
  .corev-d-head {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
  }
  .corev-d-head h4 {
    font-size: 14px; font-weight: 700;
    letter-spacing: 0.02em;
  }
  .corev-d-col--bad .corev-d-head h4 { color: #b91c1c; }
  .corev-d-col--good .corev-d-head h4 {
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .corev-d-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--text-muted);
    padding: 4px 9px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 999px;
  }
  .corev-d-col--good .corev-d-tag {
    color: white;
    background: var(--grad);
    border-color: transparent;
  }
  .corev-d-list {
    display: flex; flex-direction: column; gap: 22px;
  }
  .corev-d-item {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 14px;
    align-items: start;
  }
  .corev-d-icon {
    width: 26px; height: 26px; border-radius: 8px;
    display: grid; place-items: center; flex-shrink: 0;
    margin-top: 2px;
  }
  .corev-d-col--bad .corev-d-icon {
    background: rgba(239,68,68,0.12);
    color: #dc2626;
  }
  .corev-d-col--good .corev-d-icon {
    background: var(--grad);
    color: white;
  }
  .corev-d-item h5 {
    font-size: 15.5px; font-weight: 700; line-height: 1.3;
    margin-bottom: 4px;
    color: var(--text);
  }
  .corev-d-col--bad .corev-d-item h5 {
    color: #6b1d1d;
  }
  .corev-d-item p {
    font-size: 13.5px; line-height: 1.5; color: var(--text-muted);
  }

  /* Responsive — variants */
  @media (max-width: 980px) {
    .corev-b { grid-template-columns: 1fr; gap: 32px; }
    .corev-b-aside { position: static; }
    .corev-b-aside h3 { font-size: 30px; }
    .corev-c { padding: 36px 24px; }
    .corev-c-grid { grid-template-columns: 1fr; }
    .corev-d { grid-template-columns: 1fr; }
    .corev-d-col--bad { border-right: 0; border-bottom: 1px solid var(--border); }
  }

  /* ===== USE CASES ===== */
  .uc-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .uc-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 22px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 380px 1fr;
    box-shadow: var(--shadow-md);
    transition: transform .2s, box-shadow .2s;
  }
  .uc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
  .uc-head {
    padding: 36px 36px;
    color: white;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 240px;
  }
  .uc-head::after {
    content: '';
    position: absolute; right: -60px; bottom: -80px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: rgba(255,255,255,0.10);
  }
  .uc-card--blue .uc-head { background: var(--grad); }
  .uc-card--violet .uc-head { background: var(--grad-violet); }
  .uc-card--amber .uc-head { background: var(--grad-amber); }

  .uc-tags {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 16px;
    position: relative; z-index: 1;
  }
  .uc-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
  }
  .uc-tag--soon {
    background: rgba(255,255,255,0.95);
    color: var(--accent-violet);
    border-color: transparent;
    font-weight: 700;
  }
  .uc-card--soon { position: relative; }
  .uc-cta a.is-disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    pointer-events: none;
  }
  .uc-cta a.is-disabled:hover { gap: 6px; }
  .uc-head h3 {
    font-size: 28px;
    color: white;
    line-height: 1.15;
    position: relative; z-index: 1;
  }
  .uc-body { padding: 36px 40px; display: flex; flex-direction: column; gap: 20px; }
  .uc-body p { font-size: 15.5px; line-height: 1.6; color: var(--text); }
  .uc-body .muted { color: var(--text-muted); font-size: 14.5px; line-height: 1.55; }
  .uc-bullets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 24px;
  }
  .uc-bullets li {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; color: var(--text);
  }
  .uc-bullets svg { color: var(--primary); flex-shrink: 0; }
  .uc-card--violet .uc-bullets svg { color: var(--accent-violet); }
  .uc-card--amber .uc-bullets svg { color: var(--accent-amber); }

  .uc-examples {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 24px;
  }
  .uc-examples li {
    font-size: 13px; line-height: 1.45;
    color: var(--text);
    display: flex; align-items: flex-start; gap: 8px;
    font-style: italic;
  }
  .uc-examples li::before {
    content: '"';
    color: var(--accent-violet);
    font-family: Georgia, serif;
    font-size: 22px;
    line-height: 1;
    font-style: normal;
    margin-right: 2px;
  }

  .uc-cta {
    margin-top: auto;
    padding-top: 4px;
  }
  .uc-cta a {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 14.5px; font-weight: 600;
    color: var(--primary);
    transition: gap .15s;
  }
  .uc-card--violet .uc-cta a { color: var(--accent-violet); }
  .uc-card--amber .uc-cta a { color: var(--accent-amber); }
  .uc-cta a:hover { gap: 10px; }

  /* ===== HOW IT WORKS ===== */
  .how-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
  }
  .how-step {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px 28px;
    position: relative;
    box-shadow: var(--shadow-sm);
  }
  .how-num {
    font-family: 'Inter', sans-serif;
    font-size: 14px; font-weight: 700;
    color: var(--primary);
    background: var(--grad-soft);
    width: 36px; height: 36px;
    border-radius: 10px;
    display: grid; place-items: center;
    margin-bottom: 20px;
  }
  .how-step h3 { font-size: 20px; margin-bottom: 8px; }
  .how-step p { font-size: 15px; line-height: 1.55; }

  /* ===== TRUST ===== */
  .trust-card {
    background: linear-gradient(135deg, #0b1228 0%, #1e293b 100%);
    color: white;
    border-radius: 28px;
    padding: 80px 64px;
    position: relative;
    overflow: hidden;
  }
  .trust-card::before {
    content: '';
    position: absolute; right: -100px; top: -100px;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29,78,216,0.35) 0%, transparent 70%);
    pointer-events: none;
  }
  .trust-card::after {
    content: '';
    position: absolute; left: -80px; bottom: -80px;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14,165,233,0.25) 0%, transparent 70%);
    pointer-events: none;
  }
  .trust-inner { position: relative; z-index: 1; max-width: 720px; }
  .trust-card h2 {
    font-size: clamp(34px, 4vw, 50px);
    color: white;
    line-height: 1.05;
  }
  .trust-card h2 .strike { color: rgba(255,255,255,0.45); text-decoration: line-through; }
  .trust-card .trust-body {
    margin-top: 24px;
    font-size: 18px; color: rgba(255,255,255,0.85);
    line-height: 1.6;
    max-width: 600px;
  }
  .trust-checks {
    margin-top: 28px;
    display: flex; gap: 24px; flex-wrap: wrap;
  }
  .trust-checks span {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14.5px; color: white; font-weight: 500;
  }
  .trust-checks svg { color: #34d399; }

  /* ===== Reveal anim ===== */
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s, transform .7s; }
  .reveal.in { opacity: 1; transform: none; }

  /* ===== Variant labels ===== */
  .variant-block { margin-top: 96px; }
  .variant-label {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--primary);
    background: var(--grad-soft);
    padding: 7px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }
  .variant-label-name { color: var(--text); font-weight: 700; letter-spacing: 0.04em; text-transform: none; font-size: 13px; }
  .variant-block h3.variant-name { font-size: 22px; margin-bottom: 6px; }
  .variant-block .variant-sub { font-size: 14.5px; margin-bottom: 32px; color: var(--text-muted); }

  /* VARIANT B — Editorial / expanded list */
  .ucb { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
  .ucb-row {
    display: grid;
    grid-template-columns: 90px 1.6fr 1.4fr auto;
    gap: 36px; align-items: flex-start;
    padding: 40px 8px;
    border-bottom: 1px solid var(--border);
    transition: background .2s; color: inherit;
    text-decoration: none;
  }
  .ucb-row:hover { background: var(--bg-soft); }
  .ucb-num {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 56px; font-weight: 500; line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }
  .ucb-row--violet .ucb-num { background: var(--grad-violet); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .ucb-row--amber .ucb-num { background: var(--grad-amber); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .ucb-row--teal .ucb-num { background: linear-gradient(135deg, #0d9488, #14b8a6); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .ucb-title h4 { font-size: 22px; line-height: 1.2; margin-bottom: 10px; font-weight: 700; }
  .ucb-soon {
    display: inline-block; margin-left: 10px;
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent-violet); background: rgba(124,58,237,0.10);
    padding: 3px 8px; border-radius: 999px; vertical-align: middle;
  }
  .ucb-title p { font-size: 14.5px; color: var(--text); line-height: 1.55; margin-bottom: 8px; }
  .ucb-title p.muted { color: var(--text-muted); font-size: 13.5px; }
  .ucb-examples { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; padding-left: 0; list-style: none; }
  .ucb-examples li {
    font-size: 13.5px; color: var(--text-muted); font-style: italic;
    line-height: 1.5;
  }
  .ucb-meta { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
  .ucb-meta li {
    font-size: 13.5px; color: var(--text);
    display: flex; align-items: flex-start; gap: 8px; line-height: 1.45;
  }
  .ucb-meta svg { color: var(--primary); flex-shrink: 0; margin-top: 3px; }
  .ucb-row--violet .ucb-meta svg { color: var(--accent-violet); }
  .ucb-row--amber .ucb-meta svg { color: var(--accent-amber); }
  .ucb-row--teal .ucb-meta svg { color: var(--accent-teal); }
  .ucb-meta li.example { font-style: italic; color: var(--text-muted); }
  .ucb-meta li.example::before { content: '“'; color: var(--accent-violet); font-family: Georgia, serif; font-size: 18px; line-height: 0.5; font-style: normal; margin-right: 4px; }
  .ucb-cta-wrap { padding-top: 6px; }
  .ucb-cta {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 14px; font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
  }
  .ucb-cta svg {
    transition: transform .15s ease-out;
  }
  .ucb-row--violet .ucb-cta { color: var(--accent-violet); }
  .ucb-row--amber .ucb-cta { color: var(--accent-amber); }
  .ucb-row--teal .ucb-cta { color: var(--accent-teal); }
  .ucb-row:hover .ucb-cta svg { transform: translateX(4px); }

  /* Ready-to-use agent list (nested inside ucb-row--teal) */
  .ucb-agents {
    display: flex; flex-direction: column;
  }
  .ucb-agent {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 6px 0;
  }
  .ucb-agent-icon {
    flex-shrink: 0;
    width: 24px; height: 24px;
    color: var(--accent-teal);
    display: flex; align-items: center; justify-content: center;
    margin-top: 1px;
  }
  .ucb-agent-body { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
  .ucb-agent-name {
    font-size: 14px; font-weight: 700; color: var(--text);
    line-height: 1.3;
  }
  .ucb-agent-soon {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent-teal); background: rgba(13,148,136,0.10);
    padding: 2px 6px; border-radius: 999px;
  }
  .ucb-agent-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; flex-basis: 100%; }
  .ucb-row--teal .ucb-soon {
    color: var(--accent-violet); background: rgba(124,58,237,0.10);
  }
  /* Inline meta (3 bullets) shown under text in swapped-layout row */
  .ucb-meta--inline {
    display: flex; flex-direction: column; gap: 8px;
    margin-top: 14px; padding-top: 14px;
    border-top: 1px solid var(--border);
  }
  .ucb-meta--inline li {
    font-size: 13.5px; color: var(--text);
    display: flex; align-items: flex-start; gap: 8px; line-height: 1.45;
  }
  .ucb-meta--inline svg { color: var(--accent-teal); flex-shrink: 0; margin-top: 3px; }
  .ucb-agent--more { align-items: center; }
  .ucb-agent--more .ucb-agent-icon { background: transparent; color: var(--text-muted); }
  .ucb-agent--more .ucb-agent-name { color: var(--text-muted); font-weight: 600; }

  /* VARIANT C — Compact gradient tiles */
  .ucc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .ucc-tile {
    border-radius: 20px; padding: 32px 28px 28px;
    color: white; position: relative; overflow: hidden;
    display: flex; flex-direction: column;
    min-height: 320px;
    transition: transform .2s, box-shadow .2s;
  }
  .ucc-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .ucc-tile--blue { background: var(--grad); }
  .ucc-tile--violet { background: var(--grad-violet); }
  .ucc-tile--amber { background: var(--grad-amber); }
  .ucc-tile::after {
    content: ''; position: absolute; right: -50px; bottom: -70px;
    width: 220px; height: 220px; border-radius: 50%;
    background: rgba(255,255,255,0.10);
  }
  .ucc-glyph {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.25);
    display: grid; place-items: center;
    margin-bottom: 22px; position: relative; z-index: 1;
  }
  .ucc-tile h4 {
    color: white; font-size: 22px; line-height: 1.2;
    position: relative; z-index: 1; font-weight: 700; letter-spacing: -0.02em;
  }
  .ucc-tile p {
    margin-top: 12px; color: rgba(255,255,255,0.85);
    font-size: 14.5px; line-height: 1.55;
    position: relative; z-index: 1;
  }
  .ucc-cta {
    margin-top: auto; padding-top: 22px;
    display: inline-flex; align-items: center; gap: 6px;
    color: white; font-size: 14px; font-weight: 600;
    position: relative; z-index: 1; transition: gap .15s;
  }
  .ucc-cta:hover { gap: 10px; }
  .ucc-soon {
    position: absolute; top: 18px; right: 18px; z-index: 2;
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    background: rgba(255,255,255,0.95); color: var(--accent-violet);
    padding: 4px 9px; border-radius: 999px;
  }

  /* VARIANT D — Asymmetric featured + stack */
  .ucd { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
  .ucd-feat {
    background: var(--grad); color: white;
    border-radius: 24px; padding: 44px 44px;
    position: relative; overflow: hidden;
    display: flex; flex-direction: column; justify-content: space-between;
    min-height: 480px;
  }
  .ucd-feat::after {
    content: ''; position: absolute; right: -100px; bottom: -120px;
    width: 360px; height: 360px; border-radius: 50%;
    background: rgba(255,255,255,0.10);
  }
  .ucd-feat-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(255,255,255,0.85);
    margin-bottom: 18px; position: relative; z-index: 1;
  }
  .ucd-feat h4 { color: white; font-size: 36px; line-height: 1.1; position: relative; z-index: 1; font-weight: 700; letter-spacing: -0.02em; }
  .ucd-feat .ucd-desc { color: rgba(255,255,255,0.88); font-size: 16px; margin-top: 18px; max-width: 460px; position: relative; z-index: 1; }
  .ucd-feat-bullets { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin-top: 28px; position: relative; z-index: 1; list-style: none; padding: 0; }
  .ucd-feat-bullets li { font-size: 14px; color: rgba(255,255,255,0.95); display: flex; align-items: center; gap: 8px; }
  .ucd-cta {
    margin-top: 28px; position: relative; z-index: 1;
    display: inline-flex; align-items: center; gap: 6px;
    color: white; font-weight: 600; font-size: 15px;
    transition: gap .15s;
  }
  .ucd-cta:hover { gap: 10px; }
  .ucd-stack { display: flex; flex-direction: column; gap: 24px; }
  .ucd-mini {
    background: white; border: 1px solid var(--border);
    border-radius: 22px; padding: 28px 30px;
    flex: 1; display: flex; flex-direction: column; gap: 12px;
    position: relative;
    transition: transform .15s, box-shadow .15s;
  }
  .ucd-mini:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
  .ucd-mini--violet { border-top: 4px solid var(--accent-violet); }
  .ucd-mini--amber { border-top: 4px solid var(--accent-amber); }
  .ucd-mini-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-muted);
  }
  .ucd-mini h4 { font-size: 19px; line-height: 1.22; font-weight: 700; letter-spacing: -0.02em; }
  .ucd-mini p { font-size: 14px; line-height: 1.55; }
  .ucd-mini-cta {
    margin-top: auto; display: inline-flex; align-items: center; gap: 6px;
    font-size: 14px; font-weight: 600;
    transition: gap .15s;
  }
  .ucd-mini-cta:hover { gap: 10px; }
  .ucd-mini--violet .ucd-mini-cta { color: var(--accent-violet); }
  .ucd-mini--amber .ucd-mini-cta { color: var(--accent-amber); }
  .ucd-mini-soon {
    position: absolute; top: 22px; right: 22px;
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent-violet); background: rgba(124,58,237,0.10);
    padding: 4px 9px; border-radius: 999px;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1100px) {
    .core-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .core-grid, .how-grid { grid-template-columns: 1fr; }
    .uc-card { grid-template-columns: 1fr; }
    .uc-head { min-height: 0; padding: 28px; }
    .uc-body { padding: 28px; }
    .uc-bullets, .uc-examples { grid-template-columns: 1fr; }
    .ucb-row { grid-template-columns: 70px 1fr; gap: 18px; padding: 28px 4px; }
    .ucb-meta, .ucb-cta-wrap { grid-column: 2 / 3; }
    .ucb-num { font-size: 40px; }
    .ucc-grid { grid-template-columns: 1fr; }
    .ucd { grid-template-columns: 1fr; }
    .ucd-feat { min-height: 0; padding: 36px 28px; }
    .ucd-feat h4 { font-size: 26px; }
    .trust-card { padding: 56px 32px; }
    .nav-links { display: none; }
    .section { padding: 80px 0; }
  }
  @media (max-width: 560px) {
    .container { padding: 0 20px; }
    .hero { padding: 56px 0 48px; }
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn { justify-content: center; }
    .agents-grid { grid-template-columns: 1fr; }
    .agent-task { font-size: 12px; }
    .log-row { font-size: 10.5px; gap: 8px; }
    .log-row .m { white-space: normal; }
    .corev-b-row {
      grid-template-columns: 28px 1fr;
      gap: 8px;
      padding: 12px 0;
    }
    .corev-b-num { font-size: 11px; padding-top: 2px; }
    .corev-b-row h4 { font-size: 16px; margin-bottom: 3px; }
    .corev-b-row p { font-size: 13.5px; line-height: 1.45; }
    .ucb-row {
      grid-template-columns: 1fr;
      gap: 10px;
      padding: 16px 4px;
    }
    .ucb-num { display: none; }
    .ucb-meta, .ucb-cta-wrap { grid-column: 1 / -1; }
    .ucb-title h4 { font-size: 17px; margin-bottom: 6px; }
    .ucb-title p { font-size: 13.5px; line-height: 1.5; margin-bottom: 6px; }
    .ucb-title p.muted { font-size: 12.5px; }
  }