    :root {
      --ink: #111827;
      --muted: #6b7280;
      --brand: #111827;
      --accent: #dc2626;
      --line: #e5e7eb;
      /* PREMIUM ENGINEERING AUTHORITY COLORS — same values as pre-purchase,
         so the two pages read as one system, not two different products. */
      --premium-dark: #0f172a;
      --premium-gold: #f5a010;
      --premium-blue: #1e40af;
      --premium-light: #f8fafc;
      --font-display: 'Space Grotesk', sans-serif;
      --font-mono: 'Space Mono', monospace;
      --font-body: 'Inter', sans-serif;
    }

    .page {
      max-width: 1400px;
      margin: 0 auto;
      padding: 24px 40px;
    }

    @media (max-width: 768px) {
      main.page {
        padding: 10px 16px 24px;
      }
    }

    .breadcrumb {
      font-size: 12px;
      color: var(--muted);
      margin: 0 0 10px;
    }

    .breadcrumb a {
      color: inherit;
      text-decoration: none;
    }

    /* ── HERO — copied from services/pre-purchase/pre-purchase.css
       (.services-hero system). Full-bleed photo, text overlaid, no boxed
       white cards competing with the photo. Same system as pre-purchase
       on purpose, so the two pages read as one product, not two. ── */
    .services-hero {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      overflow: hidden;
      background: #0F172A;
      padding: 28px 20px 0;
      margin-bottom: 0;
      box-sizing: border-box;
      width: 100vw;
      margin-left: calc(50% - 50vw);
      margin-right: calc(50% - 50vw);
    }
    .services-hero::before { display: none; }
    .services-hero__content {
      position: relative;
      z-index: 2;
      max-width: 720px;
      width: 100%;
      text-align: center;
    }
    .services-hero__image-wrap {
      width: 100%;
      max-width: 1200px;
      position: relative;
      margin-top: 32px;
    }
    /* Top fade: the navy hero melts into the photo instead of a hard cut,
       so mobile reads as one continuous surface, the same system desktop
       already uses (photo + navy blended, not two stacked blocks). */
    .services-hero__image-wrap::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 64px;
      background: linear-gradient(to bottom, #0F172A, transparent);
      pointer-events: none;
      z-index: 1;
    }
    .services-hero__image-wrap::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 120px;
      background: linear-gradient(to bottom, transparent, #0F172A);
      pointer-events: none;
    }
    .services-hero__hero-img {
      width: 100%;
      height: auto;
      display: block;
    }
    @media (min-width: 768px) {
      .services-hero {
        align-items: center;
        flex-direction: row;
        min-height: clamp(560px, 40vw, 820px);
        padding: 40px 60px 40px;
        background: transparent;
      }
      .services-hero::before {
        display: block;
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to right, rgba(15,23,42,0.90) 0%, rgba(15,23,42,0.78) 38%, rgba(15,23,42,0.44) 68%, rgba(15,23,42,0.16) 100%);
        pointer-events: none;
        z-index: 1;
      }
      .services-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 0;
        background-image: url('/images/diag-ranger-1300w.webp');
        background-size: cover;
        background-position: 50% 20%;
        filter: brightness(1.05);
      }
      .services-hero__content {
        margin: 0;
        max-width: 600px;
        text-align: left;
      }
      .services-hero__image-wrap {
        display: none;
      }
    }

    .services-hero__eyebrow {
      display: inline-block;
      background: transparent;
      color: var(--premium-gold);
      font-family: var(--font-mono);
      font-weight: 700;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      padding: 5px 12px;
      border-radius: 4px;
      border: 1px solid rgba(245,160,16,0.35);
      margin-bottom: 20px;
    }

    .services-hero h1 {
      font-family: var(--font-display);
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.1;
      color: #ffffff;
      margin: 0 0 16px;
      letter-spacing: -0.02em;
    }

    .services-hero__service-line {
      max-width: 640px;
      font-size: clamp(14px, 1.5vw, 16px);
      line-height: 1.55;
      color: rgba(255,255,255,0.85);
      margin: 0 0 10px;
      font-weight: 400;
    }
    .services-hero__service-line strong {
      color: #ffffff;
      font-weight: 700;
    }
    .services-hero__service-transform {
      max-width: 620px;
      font-size: clamp(13px, 1.35vw, 15px);
      line-height: 1.5;
      color: rgba(255,255,255,0.72);
      margin: 0 0 18px;
    }

    @media (min-width: 768px) {
      .services-hero__eyebrow {
        display: flex;
        flex-direction: column;
        gap: 7px;
        border: none;
        padding: 0;
        background: transparent;
        font-size: initial;
        text-transform: none;
        letter-spacing: 0;
        border-radius: 0;
        margin-bottom: 14px;
      }
      .services-hero__eyebrow-main {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #f8f4ec;
        font-family: var(--font-mono);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        line-height: 1;
      }
      .services-hero__eyebrow-stars {
        color: #ffd166;
        font-size: 22px;
        letter-spacing: 0.02em;
        line-height: 1;
      }
      .services-hero__eyebrow-quote {
        display: block;
        font-family: var(--font-body);
        font-size: 16px;
        font-style: italic;
        font-weight: 400;
        color: rgba(255,255,255,0.78);
        text-transform: none;
        letter-spacing: 0;
        line-height: 1.4;
        border-left: 2px solid rgba(245,158,11,0.45);
        padding-left: 10px;
      }
    }

    @media (max-width: 767px) {
      .services-hero__eyebrow {
        display: block;
        width: 100%;
        margin: 0 auto 10px;
        padding: 0;
        text-align: center;
        color: #ffd166;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        font-family: var(--font-body);
        font-size: 0;
        letter-spacing: 0;
      }
      .services-hero__eyebrow-main {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        color: #f8f4ec;
        font-size: 13px;
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: 0.02em;
        text-transform: uppercase;
      }
      .services-hero__eyebrow-stars {
        color: #ffd166;
        font-size: 19px;
        line-height: 1;
        letter-spacing: 0.02em;
        white-space: nowrap;
      }
      .services-hero__eyebrow-quote {
        display: block;
        max-width: 38ch;
        margin-top: 7px;
        margin-left: auto;
        margin-right: auto;
        color: rgba(255,255,255,0.85);
        font-size: 13px;
        font-style: italic;
        font-weight: 400;
        line-height: 1.4;
        text-transform: none;
      }
      .services-hero h1 { margin: 0 auto 10px; font-size: clamp(28px, 8vw, 40px); text-align: center; }
      .services-hero h1::after {
        content: '';
        display: block;
        width: 38px;
        height: 2px;
        margin: 10px auto 0;
        background: var(--premium-gold);
      }
      .services-hero__service-line { display: none; }
      .services-hero__service-transform { display: none; }
      .services-hero__image-wrap {
        margin-left: -20px;
        margin-right: -20px;
        width: calc(100% + 40px);
        margin-top: 16px;
      }
      .services-hero__image-wrap::after {
        height: 32px;
        background: linear-gradient(to bottom, transparent, #ffffff);
      }
      .services-hero__hero-img {
        height: auto;
        object-fit: initial;
        object-position: initial;
      }
    }

    /* Keep the approved hero copy readable on mobile after the image,
       using the site's existing accent-line pattern rather than a card. */
    .services-hero__mobile-text { display: none; }

    @media (max-width: 767px) {
      .services-hero__mobile-text {
        display: block;
        width: calc(100% + 40px);
        margin-left: -20px;
        margin-right: -20px;
        padding: 30px 24px 34px;
        background: #ffffff;
      }
      .services-hero__mobile-text__body {
        margin-bottom: 14px;
        padding-left: 16px;
        border-left: 3px solid var(--premium-gold);
      }
      .services-hero__mobile-text__body p {
        margin: 0;
        color: var(--ink);
        font-size: 15px;
        line-height: 1.65;
        text-align: left;
      }
      .services-hero__mobile-text__body p strong {
        color: var(--ink);
      }
      .services-hero__mobile-text__promise {
        margin: 0 0 0 19px;
        color: var(--muted);
        font-size: 13px;
        line-height: 1.6;
        text-align: left;
      }
    }

    .diag-followup-text { margin-top: 28px; background: #fff; }

    /* Three core values, right after the image. Deliberately NOT cards —
       no background fill, no rounded box, no shadow. Same technique
       already proven elsewhere on this site: a left accent line carries
       the weight instead of a container. */
    .diag-values {
      margin-top: 28px;
      padding-top: 4px;
      background: #fff;
      display: grid;
      gap: 16px;
    }

    .diag-values h2 {
      margin: 0;
      max-width: 760px;
      font-family: var(--font-display);
      font-size: clamp(27px, 4vw, 40px);
      line-height: 1.1;
      letter-spacing: -0.025em;
      color: var(--ink);
    }

    .diag-values__intro {
      margin: 0 0 8px;
      max-width: 760px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.7;
    }

    .diag-values__item {
      margin: 0;
      padding-left: 16px;
      border-left: 3px solid var(--premium-gold);
      font-size: 15px;
      line-height: 1.5;
      color: var(--ink);
    }

    .diag-values__item strong {
      display: block;
      margin-bottom: 2px;
      font-family: var(--font-display);
      font-size: 16px;
    }

    .diag-values__actions {
      margin-top: 14px;
    }

    .diag-case-proof {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: clamp(28px, 5vw, 64px);
      align-items: center;
      margin-top: 44px;
      padding: 52px 0 20px;
    }

    .diag-case-proof__copy h2 {
      margin: 0 0 18px;
      font-family: var(--font-display);
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      color: var(--ink);
    }

    .diag-case-proof__story,
    .diag-case-proof__result {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.7;
    }

    .diag-case-proof__review {
      margin: 24px 0;
      padding-left: 18px;
      border-left: 3px solid var(--premium-gold);
    }

    .diag-case-proof__review-title {
      display: block;
      margin-bottom: 8px;
      color: var(--ink);
      font-family: var(--font-display);
      font-size: 16px;
    }

    .diag-case-proof__review p {
      margin: 0 0 12px;
      color: var(--ink);
      font-size: 18px;
      line-height: 1.55;
    }

    .diag-case-proof__review cite {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-style: normal;
      line-height: 1.5;
    }

    .diag-case-proof__figure {
      margin: 0;
    }

    .diag-case-proof__image {
      display: block;
      width: 100%;
      height: auto;
      cursor: zoom-in;
    }

    .diag-case-proof__figure figcaption {
      margin-top: 10px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }

    .img-zoom-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      background: rgba(15, 23, 42, 0.9);
      opacity: 0;
      pointer-events: none;
      transition: opacity 160ms cubic-bezier(0.23, 1, 0.32, 1);
    }

    .img-zoom-overlay.is-open {
      opacity: 1;
      pointer-events: auto;
    }

    .img-zoom-overlay__img {
      max-width: 94vw;
      max-height: 90vh;
      cursor: zoom-out;
    }

    @media (max-width: 767px) {
      .diag-case-proof {
        grid-template-columns: 1fr;
        margin-top: 34px;
        padding: 38px 0 8px;
      }
      .diag-case-proof__copy h2 {
        font-size: 30px;
      }
      .diag-case-proof__figure {
        margin-top: 4px;
      }
    }

    .diag-symptoms {
      margin-top: 56px;
      padding: 52px 0 12px;
    }

    .diag-symptoms h2 {
      margin: 0 0 18px;
      max-width: 820px;
      font-family: var(--font-display);
      font-size: clamp(30px, 4.5vw, 46px);
      line-height: 1.08;
      letter-spacing: -0.03em;
      color: var(--ink);
    }

    .diag-symptoms__intro {
      max-width: 760px;
      margin: 0 0 34px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.7;
    }

    .diag-symptoms__list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 34px clamp(28px, 5vw, 64px);
    }

    .diag-symptoms__item {
      padding-top: 14px;
      border-top: 3px solid var(--premium-gold);
    }

    .diag-symptoms__item h3 {
      margin: 0 0 8px;
      font-family: var(--font-display);
      font-size: 19px;
      line-height: 1.25;
      color: var(--ink);
    }

    .diag-symptoms__item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.65;
    }

    @media (max-width: 767px) {
      .diag-symptoms {
        margin-top: 42px;
        padding-top: 38px;
      }
      .diag-symptoms h2 {
        font-size: 31px;
      }
      .diag-symptoms__intro {
        margin-bottom: 28px;
        font-size: 16px;
      }
      .diag-symptoms__list {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    .badges {
      display: flex;
      gap: 12px;
      align-items: center;
      margin: 16px 0;
      color: var(--muted);
      font-size: 14px;
    }

    .section {
      margin-top: 32px;
    }

    .section h2 {
      font-size: 20px;
      margin: 0 0 8px;
    }

    .list {
      display: grid;
      gap: 8px;
      padding-left: 18px;
    }

    .cta {
      display: inline-block;
      margin-top: 20px;
      margin-right: 12px;
      padding: 16px 32px;
      border-radius: 8px;
      background: var(--premium-dark);
      color: #fff;
      border: 2px solid var(--premium-gold);
      text-decoration: none;
      font-weight: 700;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25), 0 0 0 0 rgba(251, 191, 36, 0.4);
      transition: all 0.3s ease;
    }

    .cta:hover {
      background: linear-gradient(135deg, var(--premium-dark) 0%, var(--premium-blue) 100%);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.35), 0 0 20px rgba(251, 191, 36, 0.6);
    }

    .cta-secondary {
      display: inline-block;
      margin-top: 20px;
      margin-right: 12px;
      padding: 16px 32px;
      border-radius: 8px;
      background: transparent;
      color: var(--premium-dark);
      border: 2px solid var(--premium-dark);
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .cta-secondary:hover {
      background: var(--premium-dark);
      color: #fff;
    }

    /* Tarjetas chicas para “what you get” */
    .benefits {
      display: grid;
      gap: 12px;
      grid-template-columns: 1fr;
      margin-top: 12px;
    }

    .card {
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 16px;
      background: #fff;
    }

    .card h3 {
      font-size: 16px;
      margin: 0 0 4px;
    }

    .faq details {
      border: 0;
      border-bottom: 1px solid var(--line);
      border-left: 3px solid var(--line);
      border-radius: 0;
      padding: 0 0 0 18px;
      background: transparent;
    }

    .faq details[open] {
      border-left-color: var(--premium-gold);
    }

    .faq summary {
      position: relative;
      list-style: none;
      cursor: pointer;
      font-weight: 700;
      line-height: 1.35;
      padding: 17px 38px 17px 0;
    }

    .faq summary::-webkit-details-marker {
      display: none;
    }

    .faq summary::after {
      content: '';
      position: absolute;
      top: 50%;
      right: 4px;
      width: 8px;
      height: 8px;
      border-right: 2px solid var(--premium-dark);
      border-bottom: 2px solid var(--premium-dark);
      transform: translateY(-65%) rotate(45deg);
      transition: transform 180ms cubic-bezier(0.23, 1, 0.32, 1);
    }

    .faq details[open] summary::after {
      transform: translateY(-35%) rotate(225deg);
    }

    .faq summary:focus-visible {
      outline: 2px solid var(--premium-blue);
      outline-offset: 4px;
    }

    .faq details > div {
      max-width: 760px;
      padding: 0 38px 18px 0;
      color: var(--muted);
      line-height: 1.65;
    }

    @media (prefers-reduced-motion: reduce) {
      .faq summary::after {
        transition: none;
      }
    }

    /* Grand Slam Offer Box - Premium Style */
    .offer-box {
      background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
      border-left: 4px solid var(--premium-gold);
      padding: 24px;
      margin: 24px 0;
      border-radius: 0 12px 12px 0;
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    }

    .offer-title {
      display: inline-block;
      background: var(--premium-gold);
      color: var(--premium-dark);
      font-weight: 700;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .offer-text {
      font-size: 17px;
      line-height: 1.5;
      color: var(--premium-dark);
      margin: 0;
    }

    .offer-text strong {
      color: var(--premium-blue);
    }

    /* ── Mobile CTA bar ── */
    .mobile-cta-bar { display: none; }

    @media (max-width: 767px) {
      .mobile-cta-bar {
        display: flex;
        align-items: center;
        gap: 0;
        position: sticky;
        top: 92px;
        z-index: 999;
        width: 100%;
        padding: 10px 16px;
        background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);
        border-top: 1px solid rgba(251, 191, 36, .35);
        border-bottom: 1px solid rgba(251, 191, 36, .25);
        box-shadow: 0 10px 24px rgba(15, 23, 42, .18), inset 0 1px 0 rgba(255, 255, 255, .06);
      }
      .mobile-cta-bar a {
        color: #fff;
        font-family: "Inter", Arial, sans-serif;
        font-weight: 700;
        text-decoration: none;
        letter-spacing: .2px;
      }
      .mobile-cta-sms {
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 0 1 auto;
        min-width: 0;
        margin-right: 8px;
        padding: 6px 8px;
        min-height: 48px;
        border-radius: 12px;
        background: rgba(202, 138, 4, .12);
        box-shadow: inset 0 0 0 1.5px rgba(245, 183, 0, .55), 0 4px 12px -6px rgba(0, 0, 0, .55);
        transition: transform 140ms cubic-bezier(.23, 1, .32, 1), background 140ms ease-out;
      }
      .mobile-cta-sms:active {
        transform: scale(.98);
        background: rgba(202, 138, 4, .22);
      }
      .mobile-cta-sms::after {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background: linear-gradient(75deg, transparent 40%, rgba(255,255,255,.28) 50%, transparent 60%);
        transform: translateX(-140%);
        animation: ctaShimmerDiag 4.2s cubic-bezier(.23, 1, .32, 1) infinite;
      }
      @keyframes ctaShimmerDiag {
        0% { transform: translateX(-140%); }
        22% { transform: translateX(140%); }
        100% { transform: translateX(140%); }
      }
      .mobile-cta-sms-text {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 1px;
        min-width: 0;
      }
      .mobile-cta-sms-text .cta-main-text {
        font-size: .9rem;
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -.01em;
        white-space: nowrap;
        color: #f5c451;
        text-shadow: 0 1px 10px rgba(245, 183, 0, .3);
      }
      .mobile-cta-bar-sub {
        color: #fff;
        opacity: .8;
        font-weight: 600;
        font-size: .75rem;
        white-space: nowrap;
      }
      .mobile-cta-tel {
        flex: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 6px 10px;
        min-height: 48px;
        border: 1px solid rgba(255, 255, 255, .22);
        border-radius: 12px;
        transition: transform 140ms cubic-bezier(.23, 1, .32, 1);
      }
      .mobile-cta-tel:active {
        transform: scale(.98);
      }
      .mobile-cta-tel-label {
        display: block;
        font-size: .6875rem;
        color: #e2e8f0;
        font-weight: 500;
        white-space: nowrap;
      }
      .mobile-cta-tel-number {
        display: block;
        font-size: .875rem;
        font-weight: 600;
        color: #e2e8f0;
        white-space: nowrap;
      }
      .mobile-cta-bar svg { flex-shrink: 0; color: #f5c451; }
    }
    @media (max-width: 359px) {
      .mobile-cta-sms-text .cta-main-text { font-size: .8125rem; }
      .mobile-cta-bar-sub { font-size: .6875rem; }
    }
    @media (prefers-reduced-motion: reduce) {
      .mobile-cta-sms::after { animation: none; }
      .mobile-cta-sms { transition: none; }
    }

    .ppi-map__embed iframe {
      border: 0;
    }

    #main-cta-button {
      background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%) !important;
      border: 2px solid #fbbf24 !important;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.4), 0 0 20px rgba(251, 191, 36, 0.3) !important;
    }
