:root {
    --bg:          #0C0E10;
    --bg-mid:      #121518;
    --signal:      #FF5C1F;
    --signal-glow: rgba(255, 92, 31, 0.12);
    --off-white:   #F4F4F1;
    --text-muted:  rgba(244, 244, 241, 0.75);
    --card-bg:     rgba(255, 92, 31, 0.05);
    --card-border: rgba(244, 244, 241, 0.10);
    --line:        rgba(244, 244, 241, 0.14);
    --font-display: 'Archivo', 'Inter', sans-serif;
    --grid-line:   rgba(244, 244, 241, 0.022);
  }

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

  html {
    scroll-behavior: smooth;
    overflow-x: clip;
    width: 100%;
  }

  body {
    position: relative;
    width: 100%;
    max-width: 100%;
    background:
      linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 64px,
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 64px 100%,
      var(--bg);
    color: var(--off-white);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
  }

  .display { font-family: var(--font-display); font-stretch: 125%; font-weight: 800; }

  .fx-vignette {
    position: fixed; inset: 0; pointer-events: none;
    z-index: 9998;
    background: radial-gradient(125% 110% at 50% 0%, transparent 52%, rgba(0,0,0,0.45) 100%);
  }

  .gridbg { position: relative; }
  .gridbg::before {
    content: "";
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background:
      linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 64px,
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 64px 100%;
    -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 55%, transparent 100%);
    mask-image: radial-gradient(120% 90% at 50% 30%, #000 55%, transparent 100%);
  }
  .gridbg > .container, .gridbg > * { position: relative; z-index: 1; }

  .sec-tag {
    position: absolute;
    top: 26px; right: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--text-muted);
    z-index: 2;
  }
  .sec-tag::before { content: "["; color: var(--signal); margin-right: 6px; }
  .sec-tag::after  { content: "]"; color: var(--signal); margin-left: 6px; }

  .flow-line {
    fill: none;
    stroke: var(--signal);
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-dasharray: 5 235;
    opacity: 0.9;
    animation: flow 3.4s linear infinite;
  }
  .flow line:nth-child(2) { animation-duration: 4.1s; animation-delay: -1.2s; }
  .flow line:nth-child(3) { animation-duration: 2.9s; animation-delay: -0.6s; }
  .flow line:nth-child(4) { animation-duration: 3.8s; animation-delay: -2.1s; }
  .flow line:nth-child(5) { animation-duration: 4.4s; animation-delay: -0.3s; }
  .flow line:nth-child(6) { animation-duration: 3.1s; animation-delay: -1.7s; }
  .flow line:nth-child(7) { animation-duration: 4.8s; animation-delay: -2.6s; }
  .flow line:nth-child(8) { animation-duration: 3.5s; animation-delay: -0.9s; }
  .flow line:nth-child(9) { animation-duration: 4.0s; animation-delay: -3.1s; }
  @keyframes flow { to { stroke-dashoffset: -240; } }

  .node-pulse {
    fill: none;
    stroke: var(--signal);
    stroke-width: 1.4;
    transform-box: fill-box;
    transform-origin: center;
    animation: nodePulse 2.8s ease-out infinite;
  }
  .pulses circle:nth-child(2) { animation-delay: -1.4s; }
  .pulses circle:nth-child(3) { animation-delay: -0.7s; }
  @keyframes nodePulse {
    0%   { r: 9px;  opacity: 0.6; }
    100% { r: 26px; opacity: 0;   }
  }
  @media (prefers-reduced-motion: reduce) {
    .flow-line, .node-pulse { animation: none; opacity: 0.4; }
  }

  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

  .mono { font-family: 'JetBrains Mono', monospace; }

  /* ---------- SITE HEADER ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: rgba(12, 14, 16, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .brand-lockup { display: flex; align-items: center; gap: 11px; text-decoration: none; }
  .brand-lockup svg { display: block; flex-shrink: 0; }
  .brand-lockup .wordmark {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 19px;
    letter-spacing: -0.02em;
    color: var(--off-white);
    line-height: 1;
  }
  .header-numbers {
    display: flex;
    align-items: center;
    gap: 18px;
  }
  .header-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap;
  }
  .header-link:hover { color: var(--off-white); }
  @media (max-width: 640px) { .header-link { display: none; } }
  .header-cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--bg);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.16) 0%, transparent 40%, rgba(0,0,0,0.10) 100%),
      linear-gradient(135deg, #FF7032 0%, #FF5C1F 60%, #E84A11 100%);
    padding: 11px 16px;
    border-radius: 7px;
    text-decoration: none;
    overflow: hidden;
    isolation: isolate;
    transition: filter 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.28),
      inset 0 -1px 0 rgba(0, 0, 0, 0.18),
      0 0 0 1px rgba(255, 92, 31, 0.55),
      0 4px 16px rgba(255, 92, 31, 0.26);
    white-space: nowrap;
  }
  .header-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.42) 50%, transparent 70%);
    transform: translateX(-130%);
    transition: transform 0.65s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
  }
  .header-cta > * { position: relative; z-index: 1; }
  .header-cta:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.32),
      inset 0 -1px 0 rgba(0, 0, 0, 0.18),
      0 0 0 1px rgba(255, 92, 31, 0.85),
      0 8px 24px rgba(255, 92, 31, 0.42),
      0 0 24px rgba(255, 92, 31, 0.35);
  }
  .header-cta:hover::after { transform: translateX(130%); }
  .header-cta:focus-visible { outline: 2px solid var(--off-white); outline-offset: 3px; }
  .header-cta svg { width: 13px; height: 13px; color: var(--bg); flex-shrink: 0; }

  .eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--signal);
    display: block;
    text-align: center;
    margin-bottom: 24px;
  }

  h1, h2 {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 800;
    letter-spacing: -0.015em;
    line-height: 1.02;
    text-transform: uppercase;
    text-align: center;
    background: linear-gradient(135deg, #FFFFFF 0%, #B0B3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
  }

  section { position: relative; }

  /* ---------- BUTTONS ---------- */
  .btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.005em;
    color: var(--bg);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.18) 0%, transparent 38%, rgba(0,0,0,0.10) 100%),
      linear-gradient(135deg, #FF7032 0%, #FF5C1F 55%, #E84A11 100%);
    border: none;
    padding: 17px 30px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.28s cubic-bezier(.2,.7,.2,1),
                box-shadow 0.28s ease,
                filter 0.28s ease;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.30),
      inset 0 -1px 0 rgba(0, 0, 0, 0.22),
      0 0 0 1px rgba(255, 92, 31, 0.55),
      0 10px 28px rgba(255, 92, 31, 0.28),
      0 0 0 0 rgba(255, 92, 31, 0);
  }
  /* pulsing signal dot before the label */
  .btn-primary::before {
    content: "";
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: 0 0 0 0 rgba(12, 14, 16, 0.55);
    animation: btnSignal 2.4s ease-out infinite;
    flex-shrink: 0;
  }
  /* diagonal shine sweep on hover */
  .btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg,
      transparent 30%,
      rgba(255, 255, 255, 0.45) 50%,
      transparent 70%);
    transform: translateX(-130%);
    transition: transform 0.7s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
    z-index: 0;
  }
  .btn-primary > * { position: relative; z-index: 1; }
  .btn-primary:hover {
    transform: translateY(-3px);
    filter: brightness(1.05);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.34),
      inset 0 -1px 0 rgba(0, 0, 0, 0.22),
      0 0 0 1px rgba(255, 92, 31, 0.85),
      0 18px 44px rgba(255, 92, 31, 0.42),
      0 0 36px rgba(255, 92, 31, 0.40);
  }
  .btn-primary:hover::after { transform: translateX(130%); }
  .btn-primary:active {
    transform: translateY(-1px);
    filter: brightness(0.96);
  }
  .btn-primary:focus-visible {
    outline: 2px solid var(--off-white);
    outline-offset: 3px;
  }
  @keyframes btnSignal {
    0%   { box-shadow: 0 0 0 0 rgba(12, 14, 16, 0.55); }
    70%  { box-shadow: 0 0 0 8px rgba(12, 14, 16, 0); }
    100% { box-shadow: 0 0 0 0 rgba(12, 14, 16, 0); }
  }
  @media (max-width: 760px) {
    .btn-primary::before { animation: btnSignalOpacity 2.4s ease-in-out infinite; box-shadow: none; }
  }
  @keyframes btnSignalOpacity {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.35; }
  }
  @media (prefers-reduced-motion: reduce) {
    .btn-primary::before { animation: none; }
    .btn-primary::after { display: none; }
  }

  /* ---------- HERO ---------- */
  .hero {
    min-height: calc(100vh - 63px);
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 40px;
    overflow: hidden;
    isolation: isolate;
    border-bottom: 1px solid var(--line);
  }
  .hero .container {
    position: relative;
    z-index: 3;
    max-width: 1180px;
    text-align: center;
  }
  .hero .container::before {
    content: "";
    position: absolute;
    inset: -80px -100px -80px -140px;
    background: radial-gradient(ellipse 85% 80% at 50% 50%, rgba(12,14,16,0.78) 0%, rgba(12,14,16,0.3) 60%, transparent 100%);
    z-index: -1;
    pointer-events: none;
  }

  .hero .eyebrow { margin-bottom: 32px; }
  .hero h1 {
    font-size: clamp(30px, 7.4vw, 90px);
    margin-bottom: 30px;
  }
  .hero h1 .stroke-word {
    -webkit-text-stroke: 1.5px var(--off-white);
    -webkit-text-fill-color: transparent;
    background: none;
    color: transparent;
  }
  .hero .subtitle {
    font-size: 19px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 38px;
    text-align: center;
  }
  .lockup {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    margin-top: 22px;
  }

  .hero-shapes-back, .hero-shapes-mid {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
  }
  .hero-net { position: absolute; inset: 0; width: 100%; height: 100%; }
  .hero-net line { stroke: var(--line); stroke-width: 1; }
  .hero-net circle { fill: var(--bg-mid); stroke: var(--line); stroke-width: 1; }
  .hero-net circle.node-signal { stroke: var(--signal); fill: var(--signal-glow); }

  .glow-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--signal-glow) 0%, transparent 70%);
    filter: blur(8px);
  }
  .orb-a { width: 480px; height: 480px; top: -120px; right: -80px; animation: floatA 12s ease-in-out infinite; }
  .orb-b { width: 360px; height: 360px; bottom: -120px; left: -100px; animation: floatB 16s ease-in-out infinite; }

  .shape {
    position: absolute;
    border: 1px solid var(--line);
    border-radius: 50%;
  }
  .shape-a { width: 14px; height: 14px; top: 24%; left: 16%; border-color: var(--signal); animation: floatA 12s ease-in-out infinite; }
  .shape-b { width: 8px; height: 8px; top: 64%; left: 78%; animation: floatB 15s ease-in-out infinite; }
  .shape-c { width: 20px; height: 20px; top: 38%; left: 88%; animation: floatC 18s ease-in-out infinite; }

  @keyframes floatA { 0%,100% { transform: translate(0,0) rotate(0deg);} 50% { transform: translate(20px,-30px) rotate(8deg);} }
  @keyframes floatB { 0%,100% { transform: translate(0,0) rotate(0deg);} 50% { transform: translate(-26px,18px) rotate(-6deg);} }
  @keyframes floatC { 0%,100% { transform: translate(0,0) rotate(0deg);} 50% { transform: translate(14px,26px) rotate(10deg);} }

  /* ---------- S2 PROBLEM ---------- */
  .problem {
    background: var(--bg-mid);
    padding: 110px 24px;
    border-bottom: 1px solid var(--line);
  }
  .problem-lines { margin-top: 8px; }
  .problem-line {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-size: clamp(26px, 3.4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.14;
    color: var(--text-muted);
    max-width: 1000px;
    margin: 0 auto 22px;
    text-align: center;
  }
  .problem-line .key { color: var(--off-white); }

  /* ---------- S3 WHAT WE INSTALL ---------- */
  .install { padding: 120px 24px; }
  .install h2 { font-size: clamp(38px, 5.4vw, 68px); margin: 0 auto 22px; max-width: 900px; }
  .install .subhead { font-size: 18px; color: var(--text-muted); max-width: 640px; margin: 0 auto 64px; text-align: center; }

  .pipeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 24px;
    position: relative;
    z-index: 2;
  }
  .pillar-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--signal);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
  }
  .pillar-title::before {
    content: "";
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--signal-glow);
  }
  .feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 32px 28px;
    transition: transform 0.35s cubic-bezier(.2,.7,.2,1), border-color 0.35s ease;
    position: relative;
    z-index: 2;
    overflow: hidden;
  }
  .feature-card::before {
    content: "";
    position: absolute; inset: 0; z-index: 0;
    border-radius: inherit;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), var(--signal-glow), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .feature-card::after {
    content: "";
    position: absolute; top: 14px; right: 14px;
    width: 9px; height: 9px;
    border-top: 1.5px solid var(--card-border);
    border-right: 1.5px solid var(--card-border);
    transition: border-color 0.35s ease;
  }
  .feature-card > * { position: relative; z-index: 1; }
  .feature-card:hover { transform: translateY(-6px); border-color: var(--signal); }
  .feature-card:hover::before { opacity: 1; }
  .feature-card:hover::after { border-color: var(--signal); }
  .card-head-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 18px;
  }
  .card-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--signal);
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .card-icon {
    width: 20px;
    height: 20px;
    color: var(--signal);
    opacity: 0.75;
  }
  .card-num::before {
    content: "";
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 0 3px var(--signal-glow);
  }
  .card-title {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-size: 23px;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .card-desc { font-size: 15px; color: var(--text-muted); }

  .connector {
    position: absolute;
    z-index: 1;
    background: var(--line);
  }

  .verticals {
    margin-top: 56px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 14px;
  }
  .verticals .vlabel {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--text-muted);
    margin-right: 4px;
  }
  .verticals .chip {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--off-white);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 7px 13px;
    transition: border-color 0.3s ease, color 0.3s ease;
  }
  .verticals .chip:hover { border-color: var(--signal); color: var(--signal); }

  /* ---------- PROOF STRIP ---------- */
  .proof-strip {
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 36px 24px 32px;
    overflow: hidden;
  }
  .proof-container {
    max-width: 1180px;
    margin: 0 auto;
  }
  .proof-label-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
  }
  .proof-node {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 12px var(--signal-glow), 0 0 4px var(--signal);
    flex-shrink: 0;
  }
  .proof-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
  }
  .proof-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--line), transparent);
  }

  /* Marquee */
  .proof-marquee {
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  }
  .proof-track {
    display: flex;
    align-items: center;
    gap: 0;
    width: max-content;
    animation: proofScroll 32s linear infinite;
  }
  .proof-track:hover { animation-play-state: paused; }
  .proof-name {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 800;
    font-size: clamp(13px, 1.6vw, 17px);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(244, 244, 241, 0.22);
    white-space: nowrap;
    padding: 0 20px;
    position: relative;
    transition: color 0.3s;
  }
  .proof-name:hover { color: var(--off-white); }
  .proof-name::after {
    content: "//";
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    color: rgba(244, 244, 241, 0.10);
    letter-spacing: 0;
  }

  @keyframes proofScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  @media (prefers-reduced-motion: reduce) {
    .proof-track { animation: none; flex-wrap: wrap; gap: 12px 28px; }
    .proof-name { padding: 4px 0; }
    .proof-name::after { position: static; transform: none; margin-left: 16px; }
  }
  @media (max-width: 760px) {
    .proof-strip { padding: 28px 18px 24px; }
    .proof-name { font-size: 12px; padding: 0 14px; }
    .proof-track { animation-duration: 24s; }
  }

  /* ---------- S4 BENCHMARK STRIP ---------- */
  .benchmark {
    background: var(--bg);
    padding: 70px 24px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .benchmark-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 18px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 17px;
    letter-spacing: 0.02em;
    text-align: center;
  }
  .bench-item { color: var(--text-muted); }
  .bench-item .fig { color: var(--signal); font-weight: 600; }
  .bench-sep { color: var(--line); font-weight: 600; }
  .benchmark-foot {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 28px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.03em;
  }

  /* ---------- ENGAGEMENT MODELS ---------- */
  .engage {
    padding: 120px 24px;
  }
  .engage h2 {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 800;
    font-size: clamp(30px, 5vw, 56px);
    margin-bottom: 16px;
    max-width: 800px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .engage .subhead {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 64px;
    text-align: center;
  }
  .engage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
  }
  .engage-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 36px 28px 32px;
    transition: transform 0.35s cubic-bezier(.2,.7,.2,1), border-color 0.35s ease;
    display: flex;
    flex-direction: column;
  }
  .engage-card::after {
    content: "";
    position: absolute;
    top: 14px; right: 14px;
    width: 9px; height: 9px;
    border-top: 1.5px solid var(--card-border);
    border-right: 1.5px solid var(--card-border);
    transition: border-color 0.35s ease;
  }
  .engage-card:hover {
    transform: translateY(-6px);
    border-color: var(--signal);
  }
  .engage-card:hover::after { border-color: var(--signal); }

  /* START HERE highlight */
  .engage-start {
    border-color: var(--signal);
    background: linear-gradient(180deg, rgba(255,92,31,0.06) 0%, var(--card-bg) 40%);
  }
  .engage-start::after { border-color: var(--signal); }

  /* BEST VALUE highlight */
  .engage-best {
    border-color: rgba(74, 222, 128, 0.35);
    background: linear-gradient(180deg, rgba(74,222,128,0.05) 0%, var(--card-bg) 40%);
  }
  .engage-best::after { border-color: rgba(74, 222, 128, 0.35); }
  .engage-best:hover { border-color: #4ade80; }
  .engage-best:hover::after { border-color: #4ade80; }

  .engage-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--bg);
    background: var(--signal);
    padding: 4px 14px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 18px;
    width: fit-content;
  }
  .engage-tag.best {
    background: #4ade80;
  }

  .engage-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--signal);
    margin-bottom: 12px;
    position: relative;
    padding-left: 20px;
  }
  .engage-num::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 10px; height: 1px;
    background: var(--signal);
  }

  .engage-title {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
  }
  .engage-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
  }
  .engage-divider {
    height: 1px;
    background: var(--line);
    margin: 18px 0;
  }
  .engage-price {
    min-height: 80px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .engage-price-label {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 700;
    font-size: 15px;
    color: var(--off-white);
    line-height: 1.3;
  }
  .engage-price-note {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
  }

  .engage-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
  }
  .engage-features li {
    font-size: 14px;
    color: var(--text-muted);
    padding: 7px 0 7px 22px;
    position: relative;
    border-bottom: 1px solid rgba(244,244,241,0.04);
  }
  .engage-features li:last-child { border-bottom: none; }
  .engage-features li::before {
    content: "";
    position: absolute;
    left: 0; top: 15px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--signal);
    opacity: 0.6;
  }

  .engage-cta {
    display: block;
    text-align: center;
    padding: 14px 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--off-white);
    background: rgba(244,244,241,0.06);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    transition: all 0.25s ease;
    margin-top: auto;
  }
  .engage-cta:hover {
    background: var(--signal);
    border-color: var(--signal);
    color: var(--bg);
  }
  .engage-start .engage-cta {
    background: var(--signal);
    border-color: var(--signal);
    color: var(--bg);
  }
  .engage-start .engage-cta:hover {
    background: #e64e17;
    border-color: #e64e17;
  }
  .engage-best .engage-cta:hover {
    background: #4ade80;
    border-color: #4ade80;
    color: var(--bg);
  }

  @media (max-width: 900px) {
    .engage-grid { grid-template-columns: 1fr; max-width: 440px; }
    .engage { padding: 80px 24px; }
  }

  /* ---------- S5 FOUNDER ---------- */
  .founder {
    background: var(--bg-mid);
    padding: 110px 24px;
    border-bottom: 1px solid var(--line);
  }
  .founder .container { max-width: 820px; }
  .founder-copy { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.4; color: var(--off-white); }
  .founder-sig {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    letter-spacing: 0.12em;
    color: var(--signal);
    margin-top: 30px;
  }

  /* ---------- S6 PRICING ---------- */
  .pricing { padding: 120px 24px; }
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
    align-items: stretch;
  }
  .price-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 38px 30px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  .price-card:hover { transform: translateY(-6px); border-color: var(--signal); }
  .price-card.featured { border-color: var(--signal); background: var(--signal-glow); }
  .tier-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--signal);
    margin-bottom: 12px;
  }
  .tier-tag {
    position: absolute;
    top: -11px;
    right: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--bg);
    background: var(--signal);
    padding: 4px 10px;
    border-radius: 4px;
  }
  .price-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--off-white);
    margin-bottom: 18px;
  }
  .price-card .desc { font-size: 15px; color: var(--text-muted); margin-bottom: 28px; flex-grow: 1; }
  .price-figure {
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--signal);
    letter-spacing: 0.02em;
  }
  .pricing-foot { font-size: 15px; color: var(--text-muted); margin-top: 32px; text-align: center; }

  .call-btn-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
    align-items: center;
  }
  .call-btn-row.centered { justify-content: center; margin-top: 22px; }
  .btn-call {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--off-white);
    background: rgba(244, 244, 241, 0.06);
    border: 1px solid rgba(244, 244, 241, 0.18);
    border-radius: 7px;
    padding: 11px 18px;
    text-decoration: none;
    transition: background 0.22s ease, border-color 0.22s ease, transform 0.2s ease, box-shadow 0.22s ease, color 0.22s ease;
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    z-index: 2;
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  }
  .btn-call::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,92,31,0.22) 50%, transparent 70%);
    transform: translateX(-130%);
    transition: transform 0.7s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
  }
  .btn-call:hover {
    background: rgba(255, 92, 31, 0.08);
    border-color: var(--signal);
    transform: translateY(-2px);
    color: var(--off-white);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,0.05),
      0 0 0 1px rgba(255, 92, 31, 0.35),
      0 8px 22px rgba(255, 92, 31, 0.18);
  }
  .btn-call:hover::after { transform: translateX(130%); }
  .btn-call:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
  .btn-call > * { position: relative; z-index: 1; }
  .btn-call.is-armed {
    border-color: var(--signal);
    background: var(--signal-glow);
    color: var(--signal);
  }
  /* ---- Double-tap armed state for tel: links ---- */
  @keyframes armedPulse {
    from { filter: brightness(1); }
    to   { filter: brightness(1.18); }
  }
  .header-cta.is-armed {
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.40),
      inset 0 -1px 0 rgba(0, 0, 0, 0.18),
      0 0 0 2px rgba(255, 255, 255, 0.45),
      0 0 28px rgba(255, 92, 31, 0.65);
    animation: armedPulse 0.7s ease-in-out infinite alternate;
  }
  .float-btn.fc-call.is-armed {
    box-shadow:
      0 0 0 3px rgba(255, 255, 255, 0.45),
      0 4px 28px rgba(255, 92, 31, 0.7);
    animation: armedPulse 0.7s ease-in-out infinite alternate;
  }
  .contact-method.is-armed {
    border-color: var(--signal);
    background: var(--signal-glow);
    box-shadow: 0 0 0 1px var(--signal), 0 10px 28px rgba(255, 92, 31, 0.25);
    transform: translateY(-3px);
  }
  @media (prefers-reduced-motion: reduce) {
    .header-cta.is-armed, .float-btn.fc-call.is-armed { animation: none; }
  }
  .bcall-icon { width: 13px; height: 13px; color: var(--signal); flex-shrink: 0; }
  .bcall-flag { font-size: 15px; line-height: 1; }

  /* ---------- S7 CLOSING ---------- */
  .closing-cta {
    background: var(--bg-mid);
    padding: 130px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .closing-cta h2 { font-size: clamp(26px, 6vw, 72px); margin-bottom: 22px; position: relative; z-index: 2; }
  .closing-cta .subtext { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; position: relative; z-index: 2; }
  .cta-glow {
    position: absolute;
    width: 700px; height: 700px;
    left: 50%; top: 55%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--signal-glow) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
  }

  /* ---------- FOOTER ---------- */
  footer {
    background: var(--bg);
    padding: 40px 24px;
    border-top: 1px solid var(--line);
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
  }
  .footer-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 24px;
    flex-wrap: wrap;
  }
  .footer-brand {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .footer-brand .brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--off-white);
  }
  .footer-tagline {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.22em;
    color: var(--text-muted);
    text-transform: uppercase;
  }
  .footer-socials {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color 0.25s ease, color 0.25s ease, transform 0.2s ease, background 0.25s ease;
    flex-shrink: 0;
  }
  .social-link:hover {
    border-color: var(--signal);
    color: var(--signal);
    background: var(--signal-glow);
    transform: translateY(-2px);
  }
  .social-link svg {
    width: 15px;
    height: 15px;
    fill: currentColor;
    flex-shrink: 0;
  }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }
  .footer-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.09em;
    color: var(--text-muted);
  }
  .footer-meta a { color: var(--text-muted); text-decoration: none; transition: color 0.25s ease; }
  .footer-meta a:hover { color: var(--signal); }
  .footer-meta .dot { color: var(--line); }
  .back-to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.25s ease, color 0.25s ease, transform 0.2s ease, background 0.25s ease;
  }
  .back-to-top:hover {
    border-color: var(--signal);
    color: var(--signal);
    background: var(--signal-glow);
    transform: translateY(-3px);
  }
  .back-to-top svg { width: 16px; height: 16px; flex-shrink: 0; }

  /* ---- price sub-elements ---- */
  .price-gbp {
    font-size: 0.72em;
    color: var(--text-muted);
    font-weight: 500;
  }
  .price-note {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.13em;
    color: var(--text-muted);
    margin-top: 8px;
    opacity: 0.75;
  }
  .price-includes {
    list-style: none;
    margin: 16px 0 0;
    padding: 14px 0 0;
    border-top: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    gap: 9px;
  }
  .price-includes li {
    font-size: 12.5px;
    line-height: 1.45;
    color: var(--text-muted);
    padding-left: 18px;
    position: relative;
  }
  .price-includes li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--signal);
    font-weight: 600;
  }
  .price-includes li strong { color: var(--off-white); font-weight: 600; }

  /* ---- S2.5 custom demo section ---- */
  .leadmagnet {
    background: var(--bg-mid);
    padding: 110px 24px;
    border-bottom: 1px solid var(--line);
  }
  .leadmagnet .container { max-width: 860px; }
  .lm-head {
    font-size: clamp(26px, 4.2vw, 48px);
    margin: 18px auto 16px;
  }
  .lm-sub {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 56px;
    text-align: center;
  }
  .demo-steps {
    display: flex;
    gap: 0;
    margin-bottom: 56px;
    position: relative;
  }
  .demo-steps::before {
    content: "";
    position: absolute;
    top: 21px;
    left: 16%;
    right: 16%;
    height: 1px;
    background: var(--line);
    z-index: 0;
  }
  .demo-step { flex: 1; padding: 0 14px; text-align: center; }
  .step-num {
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 1px solid var(--signal);
    background: var(--bg-mid);
    color: var(--signal);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    position: relative; z-index: 1;
    box-shadow: 0 0 0 4px var(--bg-mid);
  }
  .step-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--off-white);
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .step-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
  .demo-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 40px 44px;
    max-width: 660px;
    margin: 0 auto;
  }
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
  }
  .form-group { display: flex; flex-direction: column; gap: 7px; }
  .form-group.full { grid-column: 1 / -1; }
  .form-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--text-muted);
    text-transform: uppercase;
  }
  .form-input,
  .form-select,
  .form-textarea {
    background: rgba(12, 14, 16, 0.75);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--off-white);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 11px 14px;
    outline: none;
    width: 100%;
    -webkit-appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .form-input::placeholder,
  .form-textarea::placeholder { color: rgba(244,244,241,0.25); }
  .form-input:focus,
  .form-select:focus,
  .form-textarea:focus {
    border-color: var(--signal);
    box-shadow: 0 0 0 3px var(--signal-glow);
  }
  .form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(244%2C244%2C241%2C0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
  }
  .form-select option { background: #1a1d20; color: var(--off-white); }
  .form-textarea { resize: vertical; min-height: 90px; }
  .form-submit {
    position: relative;
    width: 100%; margin-top: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 15px; font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--bg);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.18) 0%, transparent 38%, rgba(0,0,0,0.10) 100%),
      linear-gradient(135deg, #FF7032 0%, #FF5C1F 55%, #E84A11 100%);
    border: none; border-radius: 8px;
    padding: 15px 24px;
    cursor: pointer;
    overflow: hidden;
    isolation: isolate;
    transition: filter 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.28),
      inset 0 -1px 0 rgba(0, 0, 0, 0.20),
      0 0 0 1px rgba(255, 92, 31, 0.50),
      0 6px 24px rgba(255, 92, 31, 0.28);
  }
  .form-submit::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.42) 50%, transparent 70%);
    transform: translateX(-130%);
    transition: transform 0.7s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
  }
  .form-submit:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.32),
      inset 0 -1px 0 rgba(0, 0, 0, 0.20),
      0 0 0 1px rgba(255, 92, 31, 0.85),
      0 12px 32px rgba(255, 92, 31, 0.40),
      0 0 28px rgba(255, 92, 31, 0.35);
  }
  .form-submit:hover::after { transform: translateX(130%); }
  .form-submit:focus-visible { outline: 2px solid var(--off-white); outline-offset: 3px; }
  .form-note {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 14px;
    opacity: 0.65;
    text-align: center;
  }
  @media (max-width: 640px) {
    .demo-steps { flex-direction: column; gap: 28px; }
    .demo-steps::before { display: none; }
    .demo-form { padding: 28px 20px; }
    .form-grid { grid-template-columns: 1fr; }
    /* 16px floor stops iOS Safari from auto-zooming when a field is focused */
    .form-input, .form-select, .form-textarea { font-size: 16px; }
  }

  /* ---- floating contact widget ---- */
  .float-widget {
    position: fixed;
    bottom: 28px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
  }
  .float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 18px rgba(0,0,0,0.45);
    position: relative;
  }
  .float-btn:hover { transform: scale(1.1); }
  .float-btn.fc-call  { background: var(--signal); color: #fff; box-shadow: 0 4px 20px rgba(255,92,31,0.45); }
  .float-btn.fc-wa    { background: #25D366; color: #fff; box-shadow: 0 4px 18px rgba(37,211,102,0.4); }
  .float-btn.fc-book  { background: var(--bg-mid); border: 1px solid var(--signal); color: var(--signal); }
  .float-btn svg { width: 21px; height: 21px; flex-shrink: 0; }
  .float-btn::before {
    content: attr(data-tip);
    position: absolute;
    right: calc(100% + 11px);
    top: 50%;
    transform: translateY(-50%);
    background: #1a1d20;
    border: 1px solid var(--line);
    color: var(--off-white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    padding: 5px 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
  }
  .float-btn:hover::before { opacity: 1; }

  /* ---------- RESPONSIVE ---------- */
  .pipeline-grid-phase2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 24px;
    position: relative;
    z-index: 2;
  }
  .pipeline-grid-single {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 600px;
    gap: 24px;
    margin-top: 24px;
    position: relative;
    z-index: 2;
  }

  /* Keep the 3-up pricing row clear of the fixed float widget on desktop */
  @media (min-width: 901px) {
    .pricing .container { padding-left: 56px; padding-right: 56px; }
  }

  @media (max-width: 900px) {
    .pipeline-grid { grid-template-columns: repeat(2, 1fr); }
    .pipeline-grid-phase2 { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .sec-tag { display: none; }
  }
  @media (max-width: 580px) {
    .install h2 { font-size: clamp(22px, 6.5vw, 38px); }
    .hero .subtitle, .install .subhead { font-size: 17px; }
    .pipeline-grid,
    .pipeline-grid-phase2,
    .pipeline-grid-single { grid-template-columns: 1fr !important; max-width: 100% !important; }
    .founder-copy { font-size: 22px; }
    .benchmark-row { flex-direction: column; gap: 12px; }
    .bench-sep { display: none; }
    section, .problem, .founder, .install, .pricing { padding-left: 20px; padding-right: 20px; }
    .site-header { padding: 12px 18px; }
    .brand-lockup .wordmark { font-size: 17px; }
    .header-cta { font-size: 12px; padding: 11px 14px; }
    .hero .btn-primary {
      display: block;
      max-width: 340px;
      text-align: center;
      font-size: 15px;
      padding: 15px 20px;
    }
    .closing-cta { padding: 80px 20px; }
    .footer-top { flex-direction: column; gap: 20px; }
    .footer-bottom { gap: 16px; }
    .footer-meta { font-size: 10px; }
  }

  /* ---------- LEGAL MODALS ---------- */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.84);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    overflow-y: auto;
    padding: 48px 20px 60px;
  }
  .modal-overlay.is-open { display: block; }
  .modal-box {
    background: #141719;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    max-width: 780px;
    width: 100%;
    padding: 52px 56px;
    position: relative;
    margin: 0 auto;
  }
  .modal-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 38px;
    height: 38px;
    background: #141719;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 17px;
    line-height: 1;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    z-index: 10001;
  }
  .modal-close:hover { border-color: var(--signal); color: var(--signal); background: var(--signal-glow); }
  .modal-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--signal);
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .modal-title {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-weight: 800;
    font-size: clamp(22px, 4vw, 34px);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    line-height: 1.05;
    background: linear-gradient(135deg, #FFFFFF 0%, #B0B3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
  }
  .modal-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }
  .modal-body { font-size: 14.5px; color: rgba(244,244,241,0.72); line-height: 1.8; }
  .modal-body h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--signal);
    text-transform: uppercase;
    margin: 32px 0 10px;
    padding-top: 6px;
    border-top: 1px solid var(--line);
  }
  .modal-body h3:first-child { margin-top: 0; border-top: none; padding-top: 0; }
  .modal-body p { margin-bottom: 13px; }
  .modal-body p:last-child { margin-bottom: 0; }
  .modal-body strong { color: var(--off-white); font-weight: 600; }
  .modal-body ul { margin: 8px 0 14px 0; padding: 0; list-style: none; }
  .modal-body ul li { padding-left: 20px; position: relative; margin-bottom: 8px; }
  .modal-body ul li::before { content: "→"; position: absolute; left: 0; color: var(--signal); font-weight: 700; }
  .modal-body a { color: var(--signal); text-decoration: none; }
  .modal-body a:hover { text-decoration: underline; }
  .footer-link-btn {
    background: none;
    border: none;
    padding: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.09em;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.25s ease;
  }
  .footer-link-btn:hover { color: var(--signal); }
  /* ===== CAREERS ===== */
  .careers { padding: 100px 24px; border-top: 1px solid var(--line); }
  .careers .container { text-align: center; }
  .careers-list { text-align: left; }
  .careers-head { font-family: var(--font-display); font-size: clamp(28px, 5vw, 46px); font-weight: 800; line-height: 1.05; margin: 14px 0 18px; }
  .careers-sub { color: var(--text-muted); font-size: 17px; line-height: 1.6; max-width: 620px; margin: 0 auto 36px; text-align: center; }
  .careers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 32px; }
  .career-pill { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 10px; }
  .cp-k { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.14em; color: var(--signal); }
  .cp-v { font-size: 15px; font-weight: 600; color: var(--off-white); }
  .careers-list { list-style: none; margin: 0 auto 36px; padding: 0; max-width: 640px; }
  .careers-list li { position: relative; padding: 9px 0 9px 26px; color: var(--text-muted); font-size: 15.5px; line-height: 1.5; border-bottom: 1px solid var(--line); }
  .careers-list li::before { content: "▸"; position: absolute; left: 0; color: var(--signal); }

  /* ===== CLIENT PORTAL ===== */
  .portal { padding: 100px 24px; border-top: 1px solid var(--line); background: var(--bg-mid); }
  .portal-head { font-family: var(--font-display); font-size: clamp(28px, 5vw, 46px); font-weight: 800; line-height: 1.05; margin: 14px 0 16px; }
  .portal-sub { color: var(--text-muted); font-size: 17px; line-height: 1.6; max-width: 560px; margin: 0 auto 32px; text-align: center; }
  .portal-box { max-width: 620px; margin: 0 auto; padding: 32px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 14px; }
  .portal-gate-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
  .portal-gate-row .form-input { flex: 1; min-width: 200px; }
  .portal-unlock { width: auto; white-space: nowrap; padding-left: 24px; padding-right: 24px; }
  .portal-err { color: var(--signal); font-size: 13px; margin-top: 12px; display: none; }
  .portal-err.show { display: block; }
  .portal-clientname { font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: 0.16em; color: var(--signal); margin-bottom: 20px; }
  .portal-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
  .pstat { display: flex; flex-direction: column; gap: 6px; padding: 18px 14px; background: rgba(12,14,16,0.6); border: 1px solid var(--card-border); border-radius: 10px; text-align: center; }
  .pstat-fig { font-family: var(--font-display); font-size: 30px; font-weight: 800; color: var(--off-white); }
  .pstat-lbl { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.1em; color: var(--text-muted); }
  .portal-hp { display: inline-block; }
  @media (max-width: 560px) { .portal-stats { grid-template-columns: repeat(2, 1fr); } .portal-box { padding: 22px; } }

  @media (max-width: 580px) {
    .modal-box { padding: 32px 22px; }
    .modal-overlay { padding: 20px 12px 40px; }
  }

  /* ============================================================
     MULTI-PAGE ADDITIONS — nav, service cards, contact page
     ============================================================ */

  /* ---- Primary navigation ---- */
  .nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
  }
  .nav-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
    white-space: nowrap;
    position: relative;
  }
  .nav-link:hover { color: var(--off-white); }
  .nav-link.is-active { color: var(--off-white); }
  .nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -7px;
    height: 2px;
    background: var(--signal);
    border-radius: 2px;
  }
  .nav-right { display: flex; align-items: center; gap: 20px; }

  /* Hamburger — hidden on desktop */
  .nav-toggle {
    display: none;
    width: 42px; height: 42px;
    background: rgba(244, 244, 241, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 7px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
  }
  .nav-toggle span {
    display: block;
    width: 18px; height: 2px;
    background: var(--off-white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
  }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* Mobile slide-down menu */
  .mobile-menu {
    display: none;
    position: sticky;
    top: 63px;
    z-index: 49;
    flex-direction: column;
    background: rgba(12, 14, 16, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 8px 18px 18px;
  }
  .mobile-menu.is-open { display: flex; }
  .mobile-menu a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    padding: 15px 6px;
    border-bottom: 1px solid var(--line);
    transition: color 0.2s ease;
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu a:hover, .mobile-menu a.is-active { color: var(--signal); }

  @media (max-width: 760px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
  }

  /* ---- Services dropdown ---- */
  .nav-dropdown { position: relative; display: inline-flex; align-items: center; }
  .nav-drop-toggle {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.2s ease;
  }
  .nav-drop-toggle svg { width: 11px; height: 11px; transition: transform 0.2s ease; }
  .nav-drop-toggle.is-active { color: var(--off-white); }
  .nav-dropdown:hover .nav-drop-toggle,
  .nav-dropdown:focus-within .nav-drop-toggle,
  .nav-dropdown.is-click-open .nav-drop-toggle { color: var(--off-white); }
  .nav-dropdown:hover .nav-drop-toggle svg,
  .nav-dropdown:focus-within .nav-drop-toggle svg,
  .nav-dropdown.is-click-open .nav-drop-toggle svg { transform: rotate(180deg); }
  .nav-drop-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    min-width: 280px;
    background: rgba(18, 21, 24, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 60;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  }
  .nav-drop-menu::before {
    content: "";
    position: absolute;
    bottom: 100%; left: 0; right: 0;
    height: 16px;
  }
  .nav-dropdown:hover .nav-drop-menu,
  .nav-dropdown:focus-within .nav-drop-menu,
  .nav-dropdown.is-click-open .nav-drop-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .nav-drop-menu a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-decoration: none;
    padding: 11px 14px;
    border-radius: 7px;
    white-space: nowrap;
    transition: background 0.18s ease, color 0.18s ease;
  }
  .nav-drop-menu a:hover { background: var(--signal-glow); color: var(--signal); }
  .nav-drop-menu a.is-active { color: var(--signal); }

  /* ---- Mobile menu label ---- */
  .mobile-menu .mm-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--signal);
    padding: 16px 6px 6px;
    border-bottom: none;
  }
  .mobile-menu a.mm-sub { padding-left: 18px; font-size: 13px; }

  /* ---- Free-resource service card ---- */
  .service-card.free {
    border-color: var(--signal);
    background: var(--signal-glow);
    overflow: visible;
  }
  .service-card.free:hover { transform: translateY(-6px); border-color: var(--signal); }
  .service-card.free:hover::after { border-color: var(--signal); }
  .free-tag {
    position: absolute;
    top: -11px;
    left: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--bg);
    background: var(--signal);
    padding: 4px 11px;
    border-radius: 4px;
  }

  /* ---- "FREE" hero badge (training page) ---- */
  .free-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--signal);
    border: 1px solid var(--signal);
    background: var(--signal-glow);
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 22px;
  }

  /* ---- Homepage service cards ---- */
  .services { padding: 120px 24px; }
  .services h2 { font-size: clamp(34px, 5vw, 62px); margin: 0 auto 22px; max-width: 900px; }
  .services .subhead { font-size: 18px; color: var(--text-muted); max-width: 640px; margin: 0 auto 60px; text-align: center; }
  .service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
  }
  .service-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 34px 30px 30px;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(.2,.7,.2,1), border-color 0.35s ease;
  }
  .service-card::after {
    content: "";
    position: absolute; top: 14px; right: 14px;
    width: 9px; height: 9px;
    border-top: 1.5px solid var(--card-border);
    border-right: 1.5px solid var(--card-border);
    transition: border-color 0.35s ease;
  }
  .service-card:not(.soon):hover { transform: translateY(-6px); border-color: var(--signal); }
  .service-card:not(.soon):hover::after { border-color: var(--signal); }
  .service-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--signal);
    margin-bottom: 20px;
    display: flex; align-items: center; gap: 9px;
  }
  .service-num::before {
    content: "";
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 0 3px var(--signal-glow);
  }
  .service-card .svc-icon { width: 30px; height: 30px; color: var(--signal); margin-bottom: 18px; }
  .service-card h3 {
    font-family: var(--font-display);
    font-stretch: 125%;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    line-height: 1.05;
    margin-bottom: 14px;
    color: var(--off-white);
    background: none;
    -webkit-text-fill-color: currentColor;
  }
  .service-card p { font-size: 15px; color: var(--text-muted); margin-bottom: 22px; flex-grow: 1; }
  .service-cta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--signal);
  }
  .service-card.soon { opacity: 0.6; cursor: default; }
  .soon-tag {
    position: absolute;
    top: 16px; right: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--bg);
    background: var(--text-muted);
    padding: 4px 9px;
    border-radius: 4px;
  }
  .service-card.soon::after { display: none; }

  /* ---- Contact page ---- */
  .contact-hero { padding: 90px 24px 40px; border-bottom: 1px solid var(--line); text-align: center; }
  .contact-hero h1 { font-size: clamp(34px, 6.5vw, 78px); margin-bottom: 22px; }
  .contact-hero .subtitle { font-size: 19px; color: var(--text-muted); max-width: 560px; margin: 0 auto; text-align: center; }
  .contact-section { padding: 70px 24px 110px; }
  .contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 64px;
  }
  .contact-method {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 28px 26px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, border-color 0.3s ease;
  }
  .contact-method:hover { transform: translateY(-5px); border-color: var(--signal); }
  .contact-method .cm-icon { width: 26px; height: 26px; color: var(--signal); }
  .contact-method .cm-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .contact-method .cm-value { font-size: 18px; font-weight: 600; color: var(--off-white); }
  .contact-method .cm-sub { font-size: 13px; color: var(--text-muted); }

  /* ---- Social links — placeholder state until real URLs exist ---- */
  .social-link[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
  }
  .social-link[aria-disabled="true"]:hover {
    border-color: var(--card-border);
    color: var(--text-muted);
    background: none;
    transform: none;
  }

  /* ---- Form submission feedback ---- */
  .form-sent {
    display: none;
    padding: 24px 20px;
    background: var(--signal-glow);
    border: 1px solid var(--signal);
    border-radius: 10px;
    text-align: center;
    margin-top: 14px;
  }
  .form-sent.show { display: block; }
  .form-sent-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--signal);
    margin-bottom: 8px;
    text-transform: uppercase;
  }
  .form-sent-body {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
  }