/* ============================================================
   Balance Helper — Homepage Redesign (v3)
   Warm-neutral premium design system, highly optimized.
   AUTO-SYNCHRONIZED from root index.html style block
   ============================================================ */

/* ============================================================
       Balance Helper — Homepage Redesign (v3)
       Warm-neutral premium design system, highly optimized.
       ============================================================ */
    :root {
      --bg: #f9f7f2;
      --bg-elev: #fbfaf5;
      --surface: #ffffff;
      --ink: #26221b;
      --ink-2: #5a5247;
      --ink-3: #706c5d;
      --ink-4: #b1aea0;
      --line: #e5e3db;
      --line-2: #eeece4;
      --accent: #468254;
      --accent-ink: #365841;
      --accent-soft: #e9f4ec;
      --info: #4f7da6;
      --info-soft: #eaf0f6;
      --warn: #c08440;
      --warn-soft: #f8f0dc;
      --danger: #c45a3c;
      --danger-soft: #f8e8e1;

      --r-card: 14px;
      --r-pill: 999px;
      --maxw: 1200px;
    }

    * { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    html {
      font-family: 'Geist', system-ui, sans-serif;
      background: var(--bg);
      color: var(--ink);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      font-size: 16px;
      line-height: 1.5;
      scroll-behavior: smooth;
    }
    body { min-height: 100vh; }

    .mono {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-feature-settings: 'tnum';
      font-variant-numeric: tabular-nums;
    }

    a { color: inherit; text-decoration: none; }
    button { font: inherit; cursor: pointer; border: none; background: none; padding: 0; }

    /* Layout primitives */
    .container {
      width: 100%;
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section { padding: 96px 0; border-bottom: 1px solid var(--line); }
    .section:last-of-type { border-bottom: 0; }
    .section--tight { padding: 56px 0; }
    .section--hero { padding: 48px 0 80px; border-bottom: 1px solid var(--line); }
    .section--transparent { background: transparent; }

    .section__head {
      margin-bottom: 56px;
      max-width: 800px;
    }
    .section__head h2 {
      margin-top: 14px;
      margin-bottom: 16px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--ink-3);
      font-weight: 500;
    }
    .eyebrow::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--accent);
      flex: none;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Geist', system-ui, sans-serif;
      color: var(--ink);
      letter-spacing: -0.018em;
      font-weight: 450;
      margin: 0;
    }
    h1 { font-size: clamp(36px, 4.8vw, 56px); line-height: 1.05; letter-spacing: -0.025em; }
    h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.12; letter-spacing: -0.022em; }
    h3 { font-size: 22px; line-height: 1.25; }
    h4 { font-size: 17px; line-height: 1.3; font-weight: 500; }
    h5 { font-size: 13px; font-weight: 500; color: var(--ink); }
    p { margin: 0; color: var(--ink-2); }
    .lead { font-size: 18px; line-height: 1.55; color: var(--ink-2); max-width: 60ch; text-wrap: pretty; }
    .muted { color: var(--ink-3); }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 22px;
      border-radius: 10px;
      font-family: 'Geist', system-ui, sans-serif;
      font-size: 15px;
      font-weight: 500;
      line-height: 1;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
      white-space: nowrap;
    }
    .btn--primary {
      background: var(--ink);
      color: var(--bg);
      border-color: var(--ink);
    }
    .btn--primary:hover {
      background: #1a1813;
      transform: translateY(-1px);
    }
    .btn--primary .arrow, .btn--accent .arrow {
      transition: transform 0.2s ease;
    }
    .btn--primary:hover .arrow, .btn--accent:hover .arrow {
      transform: translateX(3px);
    }

    .btn--accent {
      background: var(--accent);
      color: var(--surface);
      border-color: var(--accent);
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(93, 156, 107, 0.4);
    }
    .btn--accent:hover {
      background: #4d8359;
      border-color: #4d8359;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(93, 156, 107, 0.5);
    }

    .btn--ghost {
      background: transparent;
      color: var(--ink);
      border-color: var(--line);
    }
    .btn--ghost:hover {
      border-color: var(--ink-2);
      background: rgba(38, 34, 27, 0.02);
    }

    .btn--sm {
      padding: 10px 14px;
      font-size: 13.5px;
      border-radius: 8px;
    }

    .btn:focus-visible,
    .nav__cta a:focus-visible,
    .nav__lang:focus-visible,
    .faq__q:focus-visible,
    .footer a:focus-visible,
    .input-wrap input:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    /* Sticky Navigation */
    .nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: color-mix(in oklab, var(--bg) 92%, transparent);
      backdrop-filter: saturate(140%) blur(12px);
      -webkit-backdrop-filter: saturate(140%) blur(12px);
      border-bottom: 1px solid var(--line);
      transition: border-color 0.2s ease;
    }
    .nav__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 500;
      font-size: 16px;
      letter-spacing: -0.01em;
      white-space: nowrap;
    }
    .brand__mark {
      width: 22px;
      height: 22px;
      border-radius: 6px;
      background: var(--ink);
      position: relative;
    }
    .brand__mark::before {
      content: '';
      position: absolute;
      inset: 5px;
      border-radius: 2px;
      background:
        linear-gradient(to right, var(--accent) 0 55%, transparent 55%) top/100% 3px no-repeat,
        linear-gradient(to right, var(--warn)   0 30%, transparent 30%) center/100% 3px no-repeat,
        linear-gradient(to right, var(--ink-3)  0 70%, transparent 70%) bottom/100% 3px no-repeat;
    }
    .nav__cta {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .nav__lang {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      color: var(--ink-2);
      letter-spacing: 0.04em;
      padding: 6px 8px;
      border-radius: 6px;
      border: 1px solid transparent;
      font-weight: 500;
    }
    .nav__lang:hover {
      border-color: var(--line);
      color: var(--ink);
    }
    .nav__lang .muted {
      color: var(--ink-4);
    }

    /* ============================================================
       HERO SECTION
       ============================================================ */
    .hero__grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 64px;
      align-items: center;
      padding-top: 40px;
    }
    .hero__copy h1 {
      margin-top: 20px;
      max-width: 19ch;
    }
    .hero__copy .lead {
      margin-top: 24px;
      max-width: 48ch;
    }
    .hero__ctas {
      display: flex;
      gap: 16px;
      margin-top: 36px;
      flex-wrap: wrap;
    }
    .hero__trust {
      margin: 28px 0 0;
      padding: 0;
      display: flex;
      align-items: center;
      gap: 8px 20px;
      font-size: 13.5px;
      color: var(--ink-2);
      flex-wrap: wrap;
      list-style: none;
    }
    .hero__trust li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .hero__trust .dot {
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--accent);
      flex: none;
    }

    /* Phone frame and video mockup */
    .hero__visual {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    .phone-mockup {
      width: 100%;
      max-width: 300px;
      background: #26221b;
      border-radius: 40px;
      padding: 8px;
      box-shadow: 0 25px 60px rgba(38, 34, 27, 0.25), 0 0 40px rgba(93, 156, 107, 0.1);
      border: 4px solid rgba(255, 255, 255, 0.05);
      position: relative;
    }
    .phone-mockup::after {
      content: '';
      position: absolute;
      top: 18px;
      left: 50%;
      transform: translateX(-50%);
      width: 70px;
      height: 14px;
      background: #000;
      border-radius: 20px;
      z-index: 10;
    }
    .phone-mockup__screen {
      width: 100%;
      border-radius: 32px;
      overflow: hidden;
      aspect-ratio: 9 / 16;
      background: #070913;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .phone-mockup__screen video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero__shotcaption {
      margin: 12px 0 0;
      font-size: 10.5px;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--ink-4);
      text-align: center;
      font-weight: 500;
    }

    /* ============================================================
       PROBLEM & PAIN SECTION
       ============================================================ */
    .sec-problem {
      background: var(--bg-elev);
      padding: 96px 0;
      border-bottom: 1px solid var(--line);
    }
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 44px;
    }
    .pain {
      padding: 32px;
      border-radius: var(--r-card);
      background: var(--surface);
      border: 1px solid var(--line);
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .pain:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px -8px rgba(38, 34, 27, 0.06);
      border-color: var(--ink-4);
    }
    .pain .q {
      font-size: 18px;
      color: var(--ink);
      font-weight: 500;
      letter-spacing: -.015em;
      line-height: 1.35;
    }
    .pain p {
      font-size: 14.5px;
      margin-top: 12px;
      line-height: 1.6;
      color: var(--ink-2);
    }
    @media (max-width: 860px) {
      .pain-grid { grid-template-columns: 1fr; }
    }

    /* ============================================================
       STEPS SECTION
       ============================================================ */
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .step {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-card);
      padding: 28px;
      display: flex;
      flex-direction: column;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .step:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px -8px rgba(38, 34, 27, 0.06);
      border-color: var(--ink-4);
    }
    .step__n {
      width: 30px;
      height: 30px;
      border-radius: 999px;
      border: 1.5px solid var(--accent);
      color: var(--accent-ink);
      background: var(--accent-soft);
      display: grid;
      place-items: center;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
      font-family: 'Geist Mono', ui-monospace, monospace;
    }
    .step h4 {
      font-size: 17px;
      font-weight: 500;
      color: var(--ink);
    }
    .step p {
      font-size: 14px;
      margin-top: 8px;
      line-height: 1.55;
      color: var(--ink-2);
    }
    @media (max-width: 860px) {
      .steps { grid-template-columns: 1fr; }
    }

    /* ============================================================
       FEATURES SECTION (NEW)
       ============================================================ */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .feature-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-card);
      padding: 32px;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .feature-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px -8px rgba(38, 34, 27, 0.06);
      border-color: var(--ink-4);
    }
    .feature-card__icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--accent-soft);
      color: var(--accent-ink);
      display: grid;
      place-items: center;
      flex: none;
    }
    .feature-card h3 {
      font-size: 19px;
      font-weight: 500;
      color: var(--ink);
    }
    .feature-card p {
      font-size: 14.5px;
      line-height: 1.6;
      color: var(--ink-2);
    }

    /* ============================================================
       CALCULATOR SECTION
       ============================================================ */
    .calc {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 36px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-card);
      overflow: hidden;
      box-shadow: 0 1px 2px rgba(38,34,27,.02), 0 32px 80px -40px rgba(38,34,27,.08);
      margin-top: 48px;
    }
    .calc__inputs {
      padding: 40px;
    }
    .calc__outputs {
      padding: 40px;
      background: var(--bg-elev);
      border-left: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .calc__head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--line);
      padding-bottom: 16px;
      margin-bottom: 24px;
    }
    .calc__head h3 {
      font-size: 18px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .calc__head .meta {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-3);
    }
    .calc__grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px 24px;
    }
    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .field label {
      font-size: 13.5px;
      font-weight: 500;
      color: var(--ink-2);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }
    .field label .tag {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 9px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 500;
    }
    .field label .tag.v { background: var(--info-soft); color: var(--info); }
    .field label .tag.f { background: var(--warn-soft); color: var(--warn); }
    .field label .tag.s { background: var(--danger-soft); color: var(--danger); }

    .input-wrap {
      position: relative;
      display: flex;
      align-items: center;
    }
    .input-wrap .currency {
      position: absolute;
      left: 14px;
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 14px;
      color: var(--ink-3);
    }
    .input-wrap input {
      width: 100%;
      padding: 11px 14px 11px 32px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--surface);
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 15px;
      color: var(--ink);
      font-weight: 500;
      outline: none;
      transition: all 0.15s ease;
    }
    .input-wrap input:hover {
      border-color: var(--ink-4);
    }
    .input-wrap input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-soft);
    }
    .calc__sliderhint {
      margin-top: 28px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-4);
      line-height: 1.5;
    }

    /* Outputs outcome card */
    .result-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 24px;
      box-shadow: 0 4px 12px rgba(38, 34, 27, 0.02);
      transition: all 0.25s ease;
    }
    .result-card.is-negative {
      border-color: var(--danger);
      background: var(--danger-soft);
    }
    .result-card.is-negative .result-card__amount {
      color: var(--danger);
    }
    .result-card.is-negative .result-card__bar i {
      background: var(--danger);
    }
    .result-card__row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 12px;
    }
    .result-card__lead {
      font-size: 13.5px;
      font-weight: 500;
      color: var(--ink-3);
    }
    .result-card__hint {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-4);
    }
    .result-card__amount {
      font-size: 38px;
      font-weight: 600;
      letter-spacing: -0.03em;
      color: var(--accent-ink);
      line-height: 1;
      margin-bottom: 16px;
    }
    .result-card__bar {
      height: 6px;
      background: var(--line-2);
      border-radius: 999px;
      overflow: hidden;
      margin-bottom: 8px;
    }
    .result-card__bar i {
      display: block;
      height: 100%;
      background: var(--accent);
      border-radius: 999px;
      transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .result-card__legend {
      display: flex;
      justify-content: space-between;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-4);
    }

    .out-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .out {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 10px;
      border-bottom: 1px dashed var(--line);
    }
    .out:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }
    .out .lbl {
      font-size: 13.5px;
      color: var(--ink-2);
      font-weight: 500;
    }
    .out .lbl .sub {
      display: block;
      font-size: 10px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-top: 2px;
    }
    .out .val {
      font-size: 14px;
      font-weight: 600;
      color: var(--ink);
    }

    .out-warn {
      display: flex;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 8px;
      background: var(--warn-soft);
      border: 1px solid color-mix(in oklab, var(--warn) 20%, transparent);
      font-size: 12.5px;
      color: var(--warn);
      line-height: 1.45;
    }
    .out-warn .ico::before {
      content: '⚠';
      font-weight: 600;
    }

    .calc__cta {
      margin-top: 8px;
    }
    .calc__cta .btn {
      width: 100%;
    }
    .calc__fine {
      font-size: 10.5px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-4);
      text-align: center;
      margin: 0;
    }

    /* Pulsing animation on Live Calculator */
    @keyframes kpi-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.02); }
      100% { transform: scale(1); }
    }
    .result-card.is-pulsing {
      animation: kpi-pulse 0.35s ease;
    }

    /* ============================================================
       HOW IT WORKS & PRIVACY (E2EE)
       ============================================================ */
    .section--privacy { background: var(--bg-elev); }
    
    .privacy-steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 48px;
      position: relative;
    }
    .privacy-step {
      display: flex;
      flex-direction: column;
      gap: 16px;
      z-index: 2;
    }
    .privacy-step__num {
      width: 32px;
      height: 32px;
      border-radius: 999px;
      border: 1.5px solid var(--accent);
      color: var(--accent-ink);
      background: var(--accent-soft);
      display: grid;
      place-items: center;
      font-size: 13px;
      font-weight: 600;
    }
    .privacy-step h3 {
      font-size: 17px;
      font-weight: 500;
      color: var(--ink);
    }
    .privacy-step p {
      font-size: 14px;
      line-height: 1.6;
      color: var(--ink-2);
    }

    /* E2EE Interactive Flow Diagram */
    .privacy-diagram {
      margin: 56px 0;
      display: grid;
      grid-template-columns: 1fr 200px 1fr;
      gap: 0;
      align-items: stretch;
      border: 1px solid var(--line);
      background: var(--surface);
      border-radius: var(--r-card);
      overflow: hidden;
      box-shadow: 0 1px 2px rgba(38,34,27,.02), 0 24px 60px -28px rgba(38,34,27,.06);
    }
    .pd-col {
      padding: 32px;
      position: relative;
    }
    .pd-col--client {
      background: var(--surface);
      border-right: 1px solid var(--line);
    }
    .pd-col--server {
      background: var(--bg-elev);
      border-left: 1px solid var(--line);
    }
    .pd-col__head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }
    .pd-col__chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 10px;
      background: var(--ink);
      color: var(--bg);
      font-size: 10px;
      border-radius: 999px;
      text-transform: uppercase;
      letter-spacing: .08em;
      font-weight: 500;
    }
    .pd-col--server .pd-col__chip {
      background: var(--surface);
      color: var(--ink);
      border: 1px solid var(--line);
    }
    .pd-col__sub {
      font-size: 10.5px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: .08em;
    }
    .pd-card {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--surface);
      padding: 16px 18px;
      box-shadow: 0 2px 8px rgba(38, 34, 27, 0.01);
    }
    .pd-card__h {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 10px;
      border-bottom: 1px dashed var(--line);
      margin-bottom: 12px;
      color: var(--ink-3);
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: .08em;
      font-weight: 500;
    }
    .pd-card__pip {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
    }
    .pd-card__pip--cipher { background: var(--ink-3); }
    .pd-kv {
      display: grid;
      grid-template-columns: 84px 1fr;
      gap: 8px;
      font-size: 12.5px;
      padding: 5px 0;
    }
    .pd-kv .k { color: var(--ink-3); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
    .pd-kv .v { color: var(--ink); font-weight: 500; }
    
    .pd-key {
      margin-top: 20px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border: 1px dashed var(--accent);
      background: var(--accent-soft);
      border-radius: 8px;
    }
    .pd-key__icon {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      background: var(--accent-ink);
      color: var(--surface);
      border-radius: 8px;
      font-size: 16px;
      flex: none;
    }
    .pd-key__title {
      font-size: 12.5px;
      font-weight: 600;
      color: var(--accent-ink);
    }
    .pd-key__sub {
      font-size: 10px;
      color: var(--accent-ink);
      text-transform: uppercase;
      letter-spacing: .08em;
      margin-top: 2px;
      opacity: .8;
    }

    /* Pipe between browser and cloud */
    .pd-pipe {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 24px 12px;
      background:
        repeating-linear-gradient(90deg,
          var(--bg-elev) 0 8px,
          transparent 8px 16px
        );
      position: relative;
    }
    .pd-pipe__line {
      width: 1px;
      height: 32px;
      background: var(--ink-4);
    }
    .pd-pipe__chip {
      padding: 6px 12px;
      border: 1px solid var(--line);
      background: var(--surface);
      border-radius: 999px;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--ink-2);
      font-weight: 500;
    }
    .pd-pipe__arrow {
      font-size: 20px;
      color: var(--ink-3);
      margin-top: 4px;
      letter-spacing: .04em;
    }
    .pd-pipe__caption {
      font-size: 10px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: .08em;
      text-align: center;
      margin-top: 4px;
      max-width: 18ch;
      line-height: 1.4;
    }

    /* Cipher block card */
    .pd-card--cipher {
      background: #1a1813;
      color: #c8c2b3;
      border-color: #1a1813;
    }
    .pd-card--cipher .pd-card__h {
      color: #85806f;
      border-bottom-color: #2c2820;
    }
    .pd-cipher {
      font-size: 11px;
      line-height: 1.7;
      letter-spacing: 0.04em;
      word-break: break-all;
      color: #c8c2b3;
    }
    .pd-cipher--dim { color: #5a5247; }
    .pd-cipher__foot {
      margin-top: 12px;
      padding-top: 10px;
      border-top: 1px dashed #2c2820;
      font-size: 10px;
      color: #85806f;
      text-transform: uppercase;
      letter-spacing: .08em;
    }

    /* Privacy claims */
    .privacy-claims {
      margin: 48px 0 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border-top: 1px solid var(--line);
      border-left: 1px solid var(--line);
    }
    .privacy-claims li {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      padding: 28px;
      border-right: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      font-size: 14px;
      color: var(--ink-2);
      background: var(--surface);
    }
    .privacy-claims li .ix {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      color: var(--ink-4);
      text-transform: uppercase;
      letter-spacing: .08em;
      font-weight: 500;
    }
    .privacy-claims li b { color: var(--ink); font-weight: 500; }
    .privacy-claims li a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; }

    /* ============================================================
       MODULES SECTION
       ============================================================ */
    .modules {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 48px;
    }
    .mod {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-card);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .mod:hover {
      border-color: var(--ink-4);
      transform: translateY(-1px);
    }
    .mod__head {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mod__ix {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-4);
      font-weight: 500;
      background: var(--bg-elev);
      padding: 3px 6px;
      border-radius: 4px;
      border: 1px solid var(--line);
    }
    .mod h4 {
      font-size: 15.5px;
      font-weight: 500;
    }
    .mod p {
      font-size: 13.5px;
      line-height: 1.5;
      color: var(--ink-2);
    }
    .mod--ghost {
      background: transparent;
      border-style: dashed;
      opacity: 0.8;
    }

    /* ============================================================
       REPORTS & PREVIEWS
       ============================================================ */
    .reports {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 64px;
      align-items: center;
      margin-top: 48px;
    }
    .reports__bullets {
      margin: 0;
      padding: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 28px;
    }
    .reports__bullets li {
      display: flex;
      gap: 20px;
    }
    .reports__bullets .ix {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: var(--bg-elev);
      border: 1px solid var(--line);
      color: var(--ink-3);
      display: grid;
      place-items: center;
      font-size: 11px;
      font-weight: 500;
      flex: none;
    }
    .reports__bullets b {
      color: var(--ink);
      font-weight: 500;
    }
    .reports__bullets span {
      font-size: 14.5px;
      line-height: 1.55;
      color: var(--ink-2);
    }

    .report-doc {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: 0 1px 2px rgba(38,34,27,.04), 0 24px 60px -28px rgba(38,34,27,.12);
      overflow: hidden;
    }
    .report-doc__sheet {
      padding: 36px;
      position: relative;
    }
    .report-doc__sheet::before {
      content: "";
      position: absolute;
      left: 0; right: 0; top: 0;
      height: 4px;
      background: var(--ink);
    }
    .doc-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
    }
    .doc-head__brand {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: .12em;
      color: var(--ink-3);
      font-weight: 500;
    }
    .doc-head h5 {
      font-size: 20px;
      font-weight: 500;
      margin-top: 6px;
      letter-spacing: -0.02em;
    }
    .doc-head__meta {
      font-size: 10px;
      color: var(--ink-4);
      margin-top: 4px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .doc-head__page {
      text-align: right;
      font-size: 10px;
      color: var(--ink-3);
      letter-spacing: .08em;
      text-transform: uppercase;
      line-height: 1.5;
      font-weight: 500;
    }
    .doc-rule {
      height: 1px;
      background: var(--line);
      margin: 20px 0 0;
    }
    .doc-section { margin-top: 24px; }
    .doc-section h6 {
      font-size: 10px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: .12em;
      margin: 0 0 12px;
      font-weight: 600;
    }
    .doc-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }
    .doc-table thead th {
      font-size: 9.5px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: .08em;
      padding: 8px 0;
      border-bottom: 1px solid var(--ink);
      text-align: left;
      font-weight: 500;
    }
    .doc-table thead th:last-child { text-align: right; }
    .doc-table tbody td {
      padding: 8px 0;
      border-bottom: 1px solid var(--line);
    }
    .doc-table tbody td.amt { text-align: right; font-weight: 500; }
    .doc-table tbody td.muted { color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
    .doc-table tbody tr.total td {
      border-bottom: 0;
      border-top: 1px solid var(--ink);
      padding-top: 12px;
    }
    .doc-foot {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-top: 28px;
      padding-top: 12px;
      border-top: 1px solid var(--line);
      font-size: 9.5px;
      color: var(--ink-3);
      text-transform: uppercase;
      letter-spacing: .08em;
      font-weight: 500;
    }

    /* ============================================================
       PRICING SECTION
       ============================================================ */
    .pricing {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
      margin-top: 48px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      align-items: start;
    }
    .tier {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-card);
      padding: 40px;
      display: flex;
      flex-direction: column;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .tier:hover {
      box-shadow: 0 8px 30px -10px rgba(38, 34, 27, 0.05);
    }
    .tier__top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }
    .tier__name {
      font-size: 20px;
      font-weight: 500;
      color: var(--ink);
    }
    .tier__badge {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      padding: 3px 8px;
      background: var(--bg-elev);
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--ink-2);
      font-weight: 500;
    }
    .tier__price {
      font-size: 38px;
      font-weight: 600;
      color: var(--ink);
      line-height: 1;
      margin-bottom: 12px;
      letter-spacing: -0.02em;
    }
    .tier__price small {
      font-size: 12.5px;
      font-weight: 450;
      color: var(--ink-3);
      margin-left: 6px;
    }
    .tier__sub {
      font-size: 14.5px;
      color: var(--ink-2);
      margin-bottom: 28px;
      line-height: 1.5;
    }
    .tier__list {
      margin: 0 0 32px;
      padding: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex: 1;
    }
    .tier__list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--ink-2);
    }
    .tier__list li b { color: var(--ink); }
    .tier__list li .ic {
      color: var(--accent);
      font-weight: 600;
      font-size: 14px;
      width: 16px;
      flex: none;
    }
    .tier__list li.off {
      color: var(--ink-4);
    }
    .tier__list li.off .ic {
      color: var(--ink-4);
      opacity: 0.5;
    }

    .tier__trust {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 16px;
      margin-bottom: 24px;
      background: var(--bg-elev);
      border: 1px solid var(--line);
      border-radius: 8px;
    }
    .tier__trust__row {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12.5px;
      color: var(--ink);
    }
    .tier__trust__row .ic {
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
    }

    .tier--highlight {
      background: var(--ink);
      border-color: var(--ink);
      color: var(--bg);
    }
    .tier--highlight .tier__name,
    .tier--highlight .tier__price {
      color: var(--bg);
    }
    .tier--highlight .tier__badge {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.15);
      color: var(--bg);
    }
    .tier--highlight .tier__price small {
      color: color-mix(in oklab, var(--bg) 65%, transparent);
    }
    .tier--highlight .tier__sub {
      color: color-mix(in oklab, var(--bg) 70%, transparent);
    }
    .tier--highlight .tier__list li {
      color: color-mix(in oklab, var(--bg) 75%, transparent);
    }
    .tier--highlight .tier__list li b {
      color: var(--bg);
    }
    .tier--highlight .tier__list li .ic {
      color: var(--accent);
    }
    .tier--highlight .tier__trust {
      background: color-mix(in oklab, var(--ink) 93%, transparent);
      border-color: rgba(255, 255, 255, 0.1);
    }
    .tier--highlight .tier__trust__row {
      color: var(--bg);
    }
    .tier--highlight .btn--primary {
      background: var(--accent);
      color: var(--surface);
      border-color: var(--accent);
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(93, 156, 107, 0.2);
    }
    .tier--highlight .btn--primary:hover {
      background: #4d8359;
      border-color: #4d8359;
    }
    .tier__fine {
      margin-top: 12px;
      text-align: center;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--ink-3);
    }
    .tier--highlight .tier__fine {
      color: color-mix(in oklab, var(--bg) 50%, transparent);
    }

    /* ============================================================
       TESTIMONIALS SECTION (NEW)
       ============================================================ */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    .testimonial-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-top: 3px solid var(--accent);
      border-radius: var(--r-card);
      padding: 32px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      position: relative;
      transition: all 0.2s ease;
    }
    .testimonial-card:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(38, 34, 27, 0.03);
    }
    .testimonial-stars {
      color: var(--warn);
      letter-spacing: 2px;
      font-size: 14px;
      line-height: 1;
    }
    .testimonial-quote {
      font-size: 14.5px;
      line-height: 1.6;
      color: var(--ink-2);
      flex: 1;
      font-style: italic;
    }
    .testimonial-meta {
      display: flex;
      flex-direction: column;
      gap: 2px;
      border-top: 1px solid var(--line-2);
      padding-top: 16px;
    }
    .testimonial-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--ink);
    }
    .testimonial-city {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-3);
    }

    /* ============================================================
       FAQ SECTION
       ============================================================ */
    .faq {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 64px;
      align-items: start;
    }
    .faq__head {
      position: sticky;
      top: 100px;
    }
    .faq__contact {
      margin-top: 20px;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--ink-3);
      font-weight: 500;
    }
    .faq__contact a {
      color: var(--accent-ink);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .faq__list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq__item {
      border: 1px solid var(--line);
      background: var(--surface);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq__item:hover {
      border-color: var(--ink-4);
    }
    .faq__q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      font-size: 15px;
      font-weight: 500;
      color: var(--ink);
      text-align: left;
      cursor: pointer;
    }
    .faq__q .toggle {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 16px;
      color: var(--ink-3);
      transition: transform 0.2s ease;
    }
    .faq__a {
      padding: 0 24px 20px;
      font-size: 14px;
      line-height: 1.6;
      color: var(--ink-2);
      display: none;
    }
    .faq__item.is-open .faq__a {
      display: block;
    }
    .faq__item.is-open .faq__q .toggle {
      transform: rotate(45deg);
    }

    /* ============================================================
       FINAL CTA SECTION
       ============================================================ */
    .final {
      background: var(--ink);
      color: var(--bg);
      border-radius: var(--r-card);
      padding: 64px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    .final h2 {
      color: var(--bg);
      margin-bottom: 16px;
    }
    .final p {
      color: color-mix(in oklab, var(--bg) 75%, transparent);
      font-size: 16.5px;
      line-height: 1.55;
      max-width: 48ch;
    }
    .final__fine {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: color-mix(in oklab, var(--bg) 50%, transparent) !important;
      margin-top: 24px !important;
      font-weight: 500;
    }
    .final__ctas {
      display: flex;
      flex-direction: column;
      gap: 14px;
      align-items: stretch;
      max-width: 320px;
      margin-left: auto;
    }
    .final__ctas .btn {
      width: 100%;
    }
    .final__ctas .btn--ghost {
      border-color: rgba(255, 255, 255, 0.15);
      color: var(--bg);
    }
    .final__ctas .btn--ghost:hover {
      border-color: rgba(255, 255, 255, 0.4);
      background: rgba(255, 255, 255, 0.05);
    }
    .final__ctas .btn--primary {
      background: var(--accent);
      color: var(--surface);
      border-color: var(--accent);
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(93, 156, 107, 0.25);
    }
    .final__ctas .btn--primary:hover {
      background: #4d8359;
      border-color: #4d8359;
    }

    /* ============================================================
       FOOTER
       ============================================================ */
    .footer {
      background: var(--bg-elev);
      border-top: 1px solid var(--line);
      padding: 80px 0 48px;
    }
    
    /* Footer trust badges */
    .footer__badges {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 56px;
      border-bottom: 1px solid var(--line);
      padding-bottom: 24px;
    }
    .footer__badges span {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      padding: 6px 12px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--ink-2);
      font-weight: 500;
    }

    .footer__inner {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 48px;
    }
    .footer__brand .brand {
      margin-bottom: 18px;
    }
    .footer__brand p {
      font-size: 13.5px;
      line-height: 1.6;
      color: var(--ink-2);
      max-width: 32ch;
    }
    .footer__legal {
      margin-top: 18px;
      font-size: 10.5px;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--ink-4);
      line-height: 1.5;
    }
    .footer h6 {
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 10.5px;
      text-transform: uppercase;
      letter-spacing: .12em;
      color: var(--ink-4);
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer ul a {
      font-size: 13.5px;
      color: var(--ink-2);
      transition: color 0.15s ease;
    }
    .footer ul a:hover {
      color: var(--ink);
    }
    .footer__lang {
      margin-top: 24px;
      font-family: 'Geist Mono', ui-monospace, monospace;
      font-size: 11px;
      color: var(--ink-3);
      display: inline-flex;
      gap: 8px;
      align-items: center;
      letter-spacing: .04em;
    }
    .footer__lang a {
      padding: 4px 8px;
      border-radius: 6px;
      border: 1px solid var(--line);
      color: var(--ink-2);
    }
    .footer__lang a.is-active {
      background: var(--ink);
      color: var(--bg);
      border-color: var(--ink);
    }
    .footer__base {
      margin-top: 64px;
      border-top: 1px solid var(--line);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: var(--ink-3);
      font-family: 'Geist Mono', ui-monospace, monospace;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    /* ============================================================
       MOBILE STICKY OPEN APP CTA BAR
       ============================================================ */
    .sticky-open-app-cta {
      display: none;
      position: fixed;
      bottom: 20px;
      left: 20px;
      right: 20px;
      z-index: 99;
      background: var(--ink);
      color: var(--bg);
      font-family: 'Geist', system-ui, sans-serif;
      font-size: 14.5px;
      font-weight: 500;
      border-radius: 12px;
      box-shadow: 0 10px 30px -6px rgba(38, 34, 27, 0.35);
      transition: opacity 0.25s ease, transform 0.25s ease;
      text-decoration: none;
      text-align: center;
      padding: 14px;
      border: 1.5px solid rgba(255,255,255,0.08);
    }
    .sticky-open-app-cta:hover {
      opacity: 0.95;
    }
    .sticky-open-app-cta--hidden {
      opacity: 0;
      pointer-events: none;
      transform: translateY(10px);
    }

    /* ============================================================
       RESPONSIVE DESIGN BREAKPOINTS
       ============================================================ */
    @media (max-width: 1024px) {
      .section { padding: 80px 0; }
      .hero__grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
      }
      .hero__copy {
        display: flex;
        flex-direction: column;
        align-items: center;
      }
      .hero__copy h1 { margin-top: 16px; }
      .hero__ctas { justify-content: center; }
      .hero__trust { justify-content: center; }
      
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .calc {
        grid-template-columns: 1fr;
      }
      .calc__outputs {
        border-left: 0;
        border-top: 1px solid var(--line);
      }
      
      .privacy-diagram {
        grid-template-columns: 1fr;
      }
      .pd-col--client {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }
      .pd-col--server {
        border-left: 0;
        border-top: 1px solid var(--line);
      }
      .pd-pipe {
        flex-direction: row;
        padding: 14px 32px;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        background:
          repeating-linear-gradient(0deg,
            var(--bg-elev) 0 8px,
            transparent 8px 16px
          );
      }
      .pd-pipe__line { width: 32px; height: 1px; }
      .pd-pipe__arrow { transform: rotate(90deg); margin-top: 0; }
      .pd-pipe__caption { max-width: none; text-align: left; }
      
      .privacy-claims {
        grid-template-columns: 1fr;
      }
      
      .modules {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .reports {
        grid-template-columns: 1fr;
        gap: 48px;
      }
      
      .pricing {
        grid-template-columns: 1fr;
        max-width: 480px;
      }
      
      .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
      }
      
      .faq {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .faq__head {
        position: static;
      }
      
      .final {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 48px;
      }
      .final p { max-width: none; }
      .final__ctas { margin-left: auto; margin-right: auto; }
      
      .footer__inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
      }
    }

    @media (max-width: 720px) {
      .sticky-open-app-cta {
        display: block;
      }
      body {
        padding-bottom: 80px;
      }
    }

    @media (max-width: 640px) {
      .section { padding: 64px 0; }
      .nav__inner { height: 60px; }
      h1 { font-size: clamp(32px, 5.5vw, 42px); }
      h2 { font-size: clamp(24px, 4vw, 30px); }
      
      .features-grid {
        grid-template-columns: 1fr;
      }
      .feature-card { padding: 24px; }
      
      .calc__inputs, .calc__outputs { padding: 24px; }
      .calc__grid { grid-template-columns: 1fr; }
      
      .privacy-steps {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      
      .modules {
        grid-template-columns: 1fr;
      }
      
      .report-doc__sheet { padding: 24px; }
      .doc-head { flex-direction: column; gap: 8px; }
      .doc-head__page { text-align: left; }
      
      .footer__inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer__badges { margin-bottom: 40px; }
      .footer__base {
        flex-direction: column;
        gap: 12px;
        margin-top: 48px;
      }
    }

    /* Motion reduction */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
      }
    }