:root {
    --black: #f7fbff;
    --black2: #eef5fc;
    --black3: #ffffff;
    --black4: #e6eff9;
    --green: #1d63c7;
    --green-dim: rgba(29,99,199,0.10);
    --green-dim2: rgba(29,99,199,0.06);
    --white: #15365f;
    --gray1: #f7fbff;
    --gray2: #dfeaf6;
    --gray3: #5d7695;
    --gray4: #7d93ad;
    --gray5: #98aabc;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    cursor: default;
  }

  /* ── NAVBAR ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 68px;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(12px);
    border-bottom: 0.5px solid rgba(21,54,95,0.08);
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }

  .nav-logo svg { width: 32px; height: 32px; }

  .nav-wordmark {
    font-family: 'Syne', sans-serif;
    font-weight: 300;
    font-size: 18px;
    letter-spacing: 6px;
    color: var(--white);
    text-transform: uppercase;
  }

  .nav-wordmark span { color: var(--green); }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0.5px solid rgba(21,54,95,0.14);
    border-radius: 12px;
    background: rgba(255,255,255,0.9);
    color: var(--white);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.24s ease, opacity 0.2s ease;
  }

  .nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    align-items: center;
  }

  .nav-links a {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--gray3);
    text-decoration: none;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--white); }

  .nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--green);
    color: #ffffff;
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 100px;
    text-decoration: none;
    transition: opacity 0.2s;
    letter-spacing: 0.3px;
  }

  .nav-cta:hover { opacity: 0.85; }
  .nav-cta svg { width: 16px; height: 16px; }

  /* ── HERO ── */
  .hero {
    --hero-card-x: 0px;
    --hero-card-y: 0px;
    --hero-vials-x: 0px;
    --hero-vials-y: 0px;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 100px 48px 80px;
    gap: 64px;
    position: relative;
    overflow: hidden;
  }

  .hero::after {
    content: '';
    position: absolute;
    inset: 18% auto auto 54%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29,99,199,0.12) 0%, rgba(29,99,199,0) 70%);
    pointer-events: none;
    animation: heroGlow 8s ease-in-out infinite;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(29,99,199,0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--green);
    text-transform: uppercase;
    margin-bottom: 28px;
  }

  .hero-reveal {
    opacity: 0;
    transform: translateY(18px);
    animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: var(--hero-delay, 0ms);
    animation-play-state: paused;
    will-change: opacity, transform;
  }

  .hero-ready .hero-reveal,
  .hero-ready .hero-vial-reveal {
    animation-play-state: running;
  }

  .hero-tag::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  @keyframes heroFadeUp {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes heroCardIn {
    from {
      opacity: 0;
      transform: translateY(22px) scale(0.985);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  @keyframes heroVialIn {
    from {
      opacity: 0;
      transform: translateY(18px) scale(0.985);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  @keyframes heroFeaturedFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
  }

  @keyframes heroGlow {
    0%, 100% {
      transform: scale(1) translate3d(0, 0, 0);
      opacity: 0.85;
    }
    50% {
      transform: scale(1.05) translate3d(0, -8px, 0);
      opacity: 1;
    }
  }

  .hero-content,
  .faq-left,
  .usa-lab-card,
  .usa-lab-intro,
  .usa-lab-stats,
  .about-story-grid,
  .about-pillars-grid,
  .protocol-grid {
    min-width: 0;
  }

  .hero h1,
  .section-title,
  .why-text h2,
  .guide-card-body h3,
  .responsible-title {
    text-wrap: balance;
  }

  .hero-sub,
  .why-text p,
  .faq-left p,
  .responsible-text {
    text-wrap: pretty;
  }

  .hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
  }

  .hero h1 em {
    font-style: italic;
    font-weight: 300;
    color: var(--gray3);
  }

  .hero-sub {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--gray3);
    max-width: 420px;
    margin-bottom: 40px;
  }

  .hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--green);
    color: #ffffff;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 100px;
    text-decoration: none;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, opacity 0.2s ease;
    letter-spacing: 0.2px;
    border: none;
    cursor: pointer;
  }

  .btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(29,99,199,0.20);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 400;
    padding: 14px 28px;
    border-radius: 100px;
    text-decoration: none;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease;
    border: 0.5px solid rgba(21,54,95,0.22);
    cursor: pointer;
  }

  .btn-secondary:hover {
    transform: translateY(-2px);
    border-color: rgba(21,54,95,0.36);
    background: rgba(29,99,199,0.05);
    box-shadow: 0 12px 28px rgba(21,54,95,0.08);
  }

  /* Hero right — vial card */
  .hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .hero-card-reveal {
    transform: translateY(22px) scale(0.985);
    animation-name: heroCardIn;
    animation-duration: 0.95s;
  }

  .hero-card {
    background: var(--black3);
    border: 0.5px solid rgba(21,54,95,0.10);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 440px;
    position: relative;
    overflow: hidden;
    transform: translate3d(var(--hero-card-x), var(--hero-card-y), 0);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
  }

  .hero-card::before {
    content: '';
    position: absolute;
    bottom: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(29,99,199,0.06) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero-card-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
  }

  .badge {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 100px;
    background: var(--green-dim);
    color: var(--green);
    border: 0.5px solid rgba(29,99,199,0.18);
  }

  .badge-white {
    background: rgba(21,54,95,0.08);
    color: var(--gray3);
    border: 0.5px solid rgba(21,54,95,0.12);
  }

  .hero-vials {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 28px;
    padding: 18px 0 10px;
    align-items: flex-end;
    transform: translate3d(var(--hero-vials-x), var(--hero-vials-y), 0);
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .hero-vial {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .hero-vial.featured {
    transform: translateY(-6px);
  }

  .hero-vial.featured .hero-vial-image {
    animation: heroFeaturedFloat 5.2s ease-in-out infinite;
  }

  .hero-vial-reveal {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
    animation: heroVialIn 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: var(--hero-delay, 0ms);
    animation-play-state: paused;
    will-change: opacity, transform;
  }

  .hero-vial-frame {
    width: 100%;
    min-height: 180px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 14px 10px 0;
    border-radius: 18px;
    background:
      radial-gradient(circle at 50% 10%, rgba(255,255,255,0.94) 0%, rgba(255,255,255,0) 58%),
      linear-gradient(180deg, #edf5ff 0%, #e2edf8 100%);
    border: 0.5px solid rgba(21,54,95,0.10);
    position: relative;
    overflow: hidden;
  }

  .hero-vial-frame::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 10px;
    height: 22px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(21,54,95,0.18) 0%, rgba(21,54,95,0) 72%);
    filter: blur(10px);
    pointer-events: none;
  }

  .hero-vial-image {
    position: relative;
    z-index: 1;
    width: auto;
    height: 170px;
    max-width: 100%;
    object-fit: contain;
    object-position: center bottom;
    display: block;
    filter: drop-shadow(0 12px 24px rgba(21,54,95,0.16));
  }

  .hero-vial-name {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--gray3);
  }

  .vial {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .vial-img {
    width: 64px;
    height: 96px;
    background: var(--black4);
    border: 0.5px solid rgba(21,54,95,0.12);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    overflow: hidden;
    position: relative;
  }

  .vial-cap {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 40px; height: 14px;
    border-radius: 4px 4px 0 0;
  }

  .vial-label {
    width: 100%;
    padding: 6px 4px;
    background: rgba(0,0,0,0.6);
    text-align: center;
  }

  .vial-name {
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--white);
    text-transform: uppercase;
  }

  .vial-dose {
    font-size: 6px;
    color: var(--gray3);
  }

  .vial-tag {
    font-size: 9px;
    font-weight: 500;
    color: var(--gray3);
    letter-spacing: 0.5px;
  }

  .hero-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 0.5px solid rgba(21,54,95,0.08);
  }

  .hero-card-footer span {
    font-size: 11px;
    color: var(--gray4);
    letter-spacing: 0.5px;
  }

  /* ── TRUST BAR ── */
  .trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 20px 48px;
    border-top: 0.5px solid rgba(21,54,95,0.08);
    border-bottom: 0.5px solid rgba(21,54,95,0.08);
    background: var(--black2);
    flex-wrap: wrap;
  }

  .trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 12px;
    font-weight: 400;
    color: var(--gray3);
    letter-spacing: 0.3px;
    border-right: 0.5px solid rgba(21,54,95,0.08);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), color 0.28s ease;
  }

  .trust-item:last-child { border-right: none; }
  .trust-item svg { width: 15px; height: 15px; color: var(--green); flex-shrink: 0; }
  .trust-item:hover {
    transform: translateY(-2px);
    color: var(--white);
  }

  /* ── SECTION COMMONS ── */
  section { padding: 100px 48px; }

  .reveal-in {
    opacity: 0;
    transform: translate3d(0, 26px, 0);
    transition:
      opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
      transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
  }

  .reveal-in.reveal-left { transform: translate3d(-24px, 16px, 0); }
  .reveal-in.reveal-right { transform: translate3d(24px, 16px, 0); }

  .reveal-in.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .section-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--green);
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
  }

  .section-title em {
    font-style: italic;
    font-weight: 300;
    color: var(--gray3);
  }

  /* ── WHY PEPLAB ── */
  .why { background: var(--black2); }

  .why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    margin-top: 64px;
  }

  .why-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .why-card {
    background: var(--black3);
    border: 0.5px solid rgba(21,54,95,0.08);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.28s ease, box-shadow 0.28s ease;
  }

  .why-card:hover {
    transform: translateY(-3px);
    border-color: rgba(29,99,199,0.18);
    box-shadow: 0 14px 30px rgba(29,99,199,0.08);
  }

  .why-card-icon {
    width: 36px; height: 36px;
    background: var(--green-dim);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), background 0.28s ease;
  }

  .why-card-icon svg { width: 18px; height: 18px; color: var(--green); }
  .why-card:hover .why-card-icon {
    transform: translateY(-2px) scale(1.03);
    background: rgba(29,99,199,0.14);
  }

  .why-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.2px;
  }

  .why-card p {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.6;
    color: var(--gray3);
  }

  .why-text { padding-top: 8px; }

  .why-text h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.8px;
    margin-bottom: 20px;
  }

  .why-text h2 em {
    font-style: italic;
    font-weight: 300;
    color: var(--gray3);
  }

  .why-text p {
    font-size: 15px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--gray3);
    margin-bottom: 32px;
    max-width: 62ch;
  }

  .usa-lab-stats {
    justify-content: flex-end;
  }

  /* ── CATALOG ── */
  .catalog { background: var(--black); }

  .catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 56px;
  }

  .catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .product-card {
    background: var(--black2);
    border: 0.5px solid rgba(21,54,95,0.09);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.25s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
  }

  .product-card:hover {
    border-color: rgba(29,99,199,0.18);
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(29,99,199,0.10);
  }

  .product-visual {
    min-height: 340px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 28px 22px 0;
    background:
      radial-gradient(circle at 50% 12%, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0) 56%),
      linear-gradient(180deg, #edf5ff 0%, #e1edf9 100%);
    border-bottom: 0.5px solid rgba(21,54,95,0.08);
  }

  .product-visual::after {
    content: '';
    position: absolute;
    inset: auto 18px 12px;
    height: 34px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(21,54,95,0.20) 0%, rgba(21,54,95,0) 72%);
    filter: blur(12px);
    pointer-events: none;
  }

  .product-image {
    position: relative;
    z-index: 1;
    width: auto;
    height: clamp(280px, 30vw, 390px);
    max-width: 100%;
    object-fit: contain;
    object-position: center bottom;
    display: block;
    filter: drop-shadow(0 16px 32px rgba(21,54,95,0.18));
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.35s ease;
  }

  .product-card:hover .product-image {
    transform: translateY(-6px) scale(1.02);
    filter: drop-shadow(0 22px 38px rgba(21,54,95,0.20));
  }

  .product-visual-vial {
    width: 72px;
    height: 108px;
    border-radius: 8px;
    border: 0.5px solid rgba(21,54,95,0.18);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    overflow: hidden;
    position: relative;
    z-index: 1;
  }

  .product-visual-vial .vial-cap {
    width: 44px; height: 16px;
  }

  .product-visual-vial .vial-label {
    padding: 8px 6px;
  }

  .product-visual-vial .vial-name {
    font-size: 8px;
  }

  .product-glow {
    position: absolute;
    width: 160px; height: 160px;
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(30px);
  }

  .product-content {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .product-cats {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
  }

  .cat-tag {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 9px;
    border-radius: 100px;
  }

  .product-name {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
  }

  .product-desc {
    font-size: 12px;
    font-weight: 300;
    line-height: 1.6;
    color: var(--gray3);
    margin-bottom: 16px;
  }

  .product-bullets {
    list-style: none;
    margin-bottom: 20px;
    flex: 1;
  }

  .product-bullets li {
    font-size: 11px;
    font-weight: 400;
    color: var(--gray3);
    padding: 3px 0;
    display: flex;
    align-items: center;
    gap: 7px;
  }

  .product-bullets li::before {
    content: '';
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
  }

  .product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 0.5px solid rgba(21,54,95,0.08);
  }

  .product-dose {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray4);
    letter-spacing: 0.3px;
  }

  .product-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--green);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    text-decoration: none;
    transition: opacity 0.2s;
    border: none;
    cursor: pointer;
  }

  .product-cta:hover { opacity: 0.85; }

  /* ── PREP SUPPORT ── */
  .prep-support {
    background:
      linear-gradient(180deg, rgba(29,99,199,0.03) 0%, rgba(29,99,199,0.05) 100%),
      var(--black3);
    border-top: 0.5px solid rgba(21,54,95,0.06);
    border-bottom: 0.5px solid rgba(21,54,95,0.06);
  }

  .prep-support-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.95fr);
    gap: 24px;
    align-items: stretch;
    margin-bottom: 28px;
  }

  .prep-support-copy,
  .prep-support-note,
  .prep-card {
    min-width: 0;
  }

  .prep-support-copy p,
  .prep-support-note p,
  .prep-card-desc {
    text-wrap: pretty;
  }

  .prep-support-copy p {
    max-width: 62ch;
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--gray3);
  }

  .prep-support-note {
    padding: 26px 28px;
    border-radius: 20px;
    background: rgba(255,255,255,0.76);
    border: 0.5px solid rgba(21,54,95,0.09);
    display: flex;
    flex-direction: column;
    gap: 14px;
    justify-content: center;
  }

  .prep-note-chip {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(29,99,199,0.10);
    color: var(--green);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
  }

  .prep-support-note p {
    font-size: 13px;
    line-height: 1.75;
    color: var(--gray3);
  }

  .prep-support-note .btn-secondary {
    width: fit-content;
  }

  .prep-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .prep-card {
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255,255,255,0.88);
    border: 0.5px solid rgba(21,54,95,0.09);
    display: grid;
    grid-template-columns: minmax(220px, 0.92fr) minmax(0, 1fr);
    transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.34s ease, box-shadow 0.34s ease;
  }

  .prep-card:hover {
    transform: translateY(-4px);
    border-color: rgba(29,99,199,0.16);
    box-shadow: 0 18px 42px rgba(29,99,199,0.10);
  }

  .prep-card-visual {
    min-height: 280px;
    padding: 28px 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 50% 20%, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0) 54%),
      linear-gradient(180deg, #edf5ff 0%, #dfebf8 100%);
  }

  .prep-card-visual::after {
    content: '';
    position: absolute;
    inset: auto 34px 20px;
    height: 28px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(21,54,95,0.18) 0%, rgba(21,54,95,0) 72%);
    filter: blur(10px);
    pointer-events: none;
  }

  .prep-card-image {
    position: relative;
    z-index: 1;
    width: min(100%, 240px);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 16px 34px rgba(21,54,95,0.18));
    transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .prep-card:hover .prep-card-image,
  .prep-card:hover .prep-icon {
    transform: translateY(-5px) scale(1.02);
  }

  .prep-card-image-wide {
    width: min(100%, 320px);
  }

  .prep-card-visual-icon {
    background:
      radial-gradient(circle at 50% 20%, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0) 54%),
      linear-gradient(180deg, #eef4ff 0%, #d8e6fb 100%);
  }

  .prep-icon-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 2;
    min-height: 30px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: rgba(255,255,255,0.88);
    color: var(--green);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    border: 0.5px solid rgba(21,54,95,0.08);
  }

  .prep-icon {
    position: relative;
    z-index: 1;
    width: min(100%, 220px);
    height: auto;
    transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    filter: drop-shadow(0 16px 30px rgba(21,54,95,0.12));
  }

  .prep-card-body {
    padding: 26px 24px 24px;
    display: flex;
    flex-direction: column;
  }

  .prep-tag {
    background: rgba(29,99,199,0.10);
    color: var(--green);
  }

  .prep-tag-muted {
    background: rgba(21,54,95,0.08);
    color: #355577;
  }

  .prep-card-title {
    font-family: 'Syne', sans-serif;
    font-size: 26px;
    line-height: 1.04;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
  }

  .prep-card-desc {
    font-size: 13px;
    line-height: 1.75;
    color: var(--gray3);
    margin-bottom: 18px;
  }

  .prep-card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .prep-card-list li {
    font-size: 12px;
    color: var(--gray3);
    line-height: 1.55;
    display: flex;
    align-items: flex-start;
    gap: 9px;
  }

  .prep-card-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    margin-top: 6px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
  }

  /* ── GUIDE ── */
  .guide { background: var(--black2); }

  .guide-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 56px;
  }

  .guide-card {
    background: var(--black3);
    border: 0.5px solid rgba(21,54,95,0.08);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.42s ease, box-shadow 0.42s ease;
  }

  .guide-card:hover {
    transform: translateY(-3px);
    border-color: rgba(29,99,199,0.16);
    box-shadow: 0 16px 34px rgba(29,99,199,0.09);
  }

  .guide-card-img {
    flex: 0 0 182px;
    min-height: 260px;
    background: linear-gradient(180deg, #edf5ff 0%, #e3edf8 100%);
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    position: relative;
    overflow: hidden;
    border-right: 0.5px solid rgba(21,54,95,0.08);
    transition: flex-basis 0.52s cubic-bezier(0.22, 1, 0.36, 1), background 0.42s ease;
  }

  .guide-card-img::before {
    content: '';
    position: absolute;
    inset: 12% 8% auto;
    height: 70%;
    border-radius: 24px;
    background: radial-gradient(circle, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0) 68%);
    pointer-events: none;
  }

  .guide-card:hover .guide-card-img {
    flex-basis: 236px;
    background: linear-gradient(180deg, #f2f8ff 0%, #e6f0fb 100%);
  }

  .guide-specimen {
    position: relative;
    width: 100%;
    min-height: 100%;
    overflow: hidden;
  }

  .guide-card:hover .guide-specimen-img {
    transform: translate(-50%, -50%) scale(1.12);
  }

  .guide-card:hover .guide-specimen-chip,
  .guide-card:hover .guide-specimen-note {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.9);
  }

  .guide-specimen::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 14px;
    height: 28px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(21,54,95,0.18) 0%, rgba(21,54,95,0) 72%);
    filter: blur(12px);
    pointer-events: none;
  }

  .guide-specimen-img {
    position: absolute;
    left: 50%;
    top: 50%;
    height: 136%;
    width: auto;
    max-width: 118px;
    object-fit: contain;
    object-position: center center;
    filter: drop-shadow(0 18px 32px rgba(21,54,95,0.18));
    transform: translate(-50%, -50%);
    transform-origin: center center;
    transition: transform 0.62s cubic-bezier(0.22, 1, 0.36, 1), filter 0.45s ease;
  }

  .guide-specimen-img.is-left {
    height: 140%;
    max-width: 116px;
  }

  .guide-specimen-img.is-tight {
    height: 146%;
    max-width: 112px;
  }

  .guide-specimen-img.is-center {
    height: 134%;
    max-width: 104px;
  }

  .guide-specimen-img.is-lean {
    height: 148%;
    max-width: 100px;
  }

  .guide-specimen-chip,
  .guide-specimen-note {
    position: absolute;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #1d63c7;
    background: rgba(255,255,255,0.82);
    border: 0.5px solid rgba(21,54,95,0.10);
    backdrop-filter: blur(8px);
    transition: transform 0.35s ease, background 0.35s ease;
  }

  .guide-specimen-chip {
    top: 16px;
    left: 14px;
  }

  .guide-specimen-note {
    bottom: 18px;
    left: 14px;
    color: var(--gray3);
    font-weight: 600;
  }

  .guide-specimen-chip::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1d63c7;
    flex-shrink: 0;
  }

  .guide-card-body {
    position: relative;
    flex: 1 1 auto;
    padding: 30px 30px 76px 26px;
    transition: padding 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .guide-card:hover .guide-card-body {
    padding-left: 30px;
  }

  .guide-cat {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
  }

  .guide-card-body h3 {
    font-family: 'Syne', sans-serif;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
  }

  .guide-card-body p {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--gray3);
    margin-bottom: 16px;
  }

  .guide-bullets {
    list-style: none;
  }

  .guide-bullets li {
    font-size: 12px;
    color: var(--gray3);
    padding: 3px 0;
    display: flex;
    align-items: center;
    gap: 7px;
  }

  .guide-bullets li::before {
    content: '';
    width: 3px; height: 3px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
  }

  .guide-wa {
    position: absolute;
    right: 28px;
    bottom: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 124px;
    padding: 11px 16px;
    border-radius: 999px;
    background: var(--green);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(29,99,199,0.18);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, opacity 0.25s ease;
  }

  .guide-card:hover .guide-wa {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(29,99,199,0.22);
  }

  .guide-wa:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(29,99,199,0.22);
  }

  .responsible-box {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f3f8ff 100%);
    border: 1px solid rgba(29,99,199,0.22);
    border-radius: 18px;
    padding: 30px 28px 28px;
    box-shadow: 0 18px 40px rgba(29,99,199,0.10);
    overflow: hidden;
  }

  .responsible-box::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, #1d63c7 0%, #4f8ef0 100%);
  }

  .responsible-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: 16px;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(29,99,199,0.10);
    color: #1d63c7;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.3px;
    text-transform: uppercase;
  }

  .responsible-icon {
    width: 42px;
    height: 42px;
    background: rgba(29,99,199,0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
  }

  .responsible-title {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #15365f;
    margin-bottom: 10px;
    letter-spacing: -0.3px;
  }

  .responsible-text {
    font-size: 13px;
    font-weight: 400;
    line-height: 1.75;
    color: #4f6f95;
    margin-bottom: 18px;
    max-width: 46ch;
  }

  .responsible-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .responsible-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(29,99,199,0.08);
  }

  .responsible-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1d63c7;
    flex-shrink: 0;
    margin-top: 6px;
    box-shadow: 0 0 0 5px rgba(29,99,199,0.08);
  }

  .responsible-copy {
    font-size: 13px;
    line-height: 1.65;
    color: #456486;
  }

  /* ── FAQ ── */
  .faq { background: var(--black); }

  .faq-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-top: 56px;
    align-items: start;
  }

  .faq-left p {
    font-size: 15px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--gray3);
    margin-top: 16px;
    margin-bottom: 32px;
  }

  .faq-list { display: flex; flex-direction: column; gap: 0; }

  .faq-item {
    border-bottom: 0.5px solid rgba(21,54,95,0.09);
    transition: background 0.32s ease, border-color 0.32s ease;
  }

  .faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--white);
    font-family: 'Syne', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    padding: 22px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.2s;
    letter-spacing: -0.2px;
  }

  .faq-question:hover { color: var(--green); }

  .faq-icon {
    width: 24px; height: 24px;
    border: 0.5px solid rgba(21,54,95,0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
  }

  .faq-item.open .faq-icon {
    background: var(--green);
    border-color: var(--green);
  }

  .faq-item.open {
    background: linear-gradient(180deg, rgba(29,99,199,0.045) 0%, rgba(29,99,199,0.02) 100%);
    border-bottom-color: rgba(29,99,199,0.18);
  }

  .faq-icon svg { width: 12px; height: 12px; transition: transform 0.2s; }
  .faq-item.open .faq-icon svg { transform: rotate(45deg); color: #ffffff; }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.28s ease, transform 0.28s ease;
  }

  .faq-item.open .faq-answer {
    opacity: 1;
    transform: translateY(0);
  }

  .faq-answer p {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--gray3);
    padding-bottom: 20px;
  }

  .edu-item {
    transition: background 0.32s ease, border-color 0.32s ease;
  }

  .edu-item.is-open {
    background: linear-gradient(180deg, rgba(29,99,199,0.04) 0%, rgba(29,99,199,0.015) 100%);
    border-bottom-color: rgba(29,99,199,0.18) !important;
  }

  .edu-item .edu-a {
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 0.42s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.28s ease, transform 0.28s ease;
  }

  .edu-item.is-open .edu-a {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── FOOTER ── */
  footer {
    background: var(--black2);
    border-top: 0.5px solid rgba(21,54,95,0.08);
    padding: 64px 48px 40px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
  }

  .footer-brand p {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--gray4);
    margin-top: 16px;
    max-width: 280px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 4px;
  }

  .footer-logo svg { width: 28px; height: 28px; }

  .footer-logo-text {
    font-family: 'Syne', sans-serif;
    font-weight: 300;
    font-size: 16px;
    letter-spacing: 5px;
    color: var(--white);
    text-transform: uppercase;
  }

  .footer-logo-text span { color: var(--green); }

  .footer-col h4 {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray4);
    margin-bottom: 20px;
  }

  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }

  .footer-col a {
    font-size: 14px;
    font-weight: 300;
    color: var(--gray3);
    text-decoration: none;
    transition: color 0.2s;
  }

  .footer-col a:hover { color: var(--white); }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 0.5px solid rgba(21,54,95,0.06);
  }

  .footer-bottom p {
    font-size: 12px;
    color: var(--gray5);
  }

  .footer-disclaimer {
    font-size: 11px;
    color: var(--gray5);
    max-width: 480px;
    text-align: right;
    line-height: 1.6;
  }

  /* ── WHATSAPP FLOAT ── */
  .wa-float {
    position: fixed;
    bottom: 28px; right: 28px;
    z-index: 200;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1d63c7;
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    padding: 12px 20px 12px 14px;
    border-radius: 100px;
    text-decoration: none;
    box-shadow: 0 12px 32px rgba(29,99,199,0.18);
    transition: all 0.2s;
  }

  .wa-float:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(29,99,199,0.24); }
  .wa-float svg { width: 20px; height: 20px; flex-shrink: 0; }

  /* ── RESPONSIVE ── */
  @media (max-width: 1100px) {
    nav {
      padding: 14px 32px;
      height: auto;
      row-gap: 14px;
    }

    .nav-links {
      gap: 20px;
    }

    .hero {
      gap: 40px;
      padding-inline: 32px;
    }

    section,
    footer {
      padding-inline: 32px;
    }

    .catalog-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .prep-support-shell,
    .prep-grid {
      grid-template-columns: 1fr;
    }

    .prep-card {
      grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1fr);
    }

    .about-pillars-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
  }

  @media (max-width: 900px) {
    nav {
      padding: 12px 24px 14px;
      align-items: center;
      column-gap: 16px;
      row-gap: 12px;
    }

    .nav-logo {
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-wordmark {
      font-size: 15px;
      letter-spacing: 3px;
    }

    .nav-cta {
      flex: 0 0 auto;
      padding: 10px 16px;
      font-size: 12px;
      min-height: 44px;
    }

    .nav-toggle {
      display: inline-flex;
      order: 2;
    }

    .nav-links {
      order: 4;
      width: 100%;
      display: none;
      flex-direction: column;
      gap: 8px;
      padding: 14px;
      background: rgba(255,255,255,0.96);
      border: 0.5px solid rgba(21,54,95,0.08);
      border-radius: 18px;
      box-shadow: 0 18px 38px rgba(21,54,95,0.08);
    }

    nav.nav-open .nav-links {
      display: flex;
    }

    .nav-links li {
      flex: 1 1 auto;
    }

    .nav-links a {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 0 14px;
      border-radius: 10px;
      background: transparent;
      color: var(--gray3);
    }

    nav.nav-open .nav-toggle span:nth-child(1) {
      transform: translateY(6.5px) rotate(45deg);
    }

    nav.nav-open .nav-toggle span:nth-child(2) {
      opacity: 0;
    }

    nav.nav-open .nav-toggle span:nth-child(3) {
      transform: translateY(-6.5px) rotate(-45deg);
    }

    .hero {
      grid-template-columns: 1fr;
      min-height: auto;
      padding: 152px 24px 64px;
      gap: 28px;
    }

    .hero::after {
      inset: 12% auto auto 35%;
      width: 280px;
      height: 280px;
    }

    .hero h1 {
      font-size: clamp(34px, 9vw, 52px);
      letter-spacing: -1px;
      margin-bottom: 18px;
    }

    .hero-sub {
      max-width: none;
      margin-bottom: 28px;
      font-size: 15px;
      line-height: 1.65;
    }

    .hero-actions {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }

    .hero-actions .btn-primary {
      justify-content: center;
      width: auto;
      min-height: 48px;
    }

    .hero-actions .btn-secondary {
      justify-content: center;
      width: auto;
      min-height: 48px;
    }

    .hero-visual { display: none; }
    section { padding: 72px 24px; }
    .info-section { padding: 72px 24px !important; }
    .why-grid, .catalog-grid, .guide-grid, .faq-layout, .footer-grid, .about-story-grid, .about-pillars-grid, .protocol-grid { grid-template-columns: 1fr !important; }
    .catalog-header { flex-direction: column; gap: 20px; align-items: flex-start; margin-bottom: 36px; }
    .prep-support-shell,
    .prep-grid,
    .prep-card { grid-template-columns: 1fr !important; }
    .prep-support-shell { gap: 18px; }
    .prep-support-copy p { max-width: none; margin-top: 14px; font-size: 14px; }
    .prep-support-note { padding: 22px; }
    .prep-card-visual { min-height: 240px; padding: 24px 18px; }
    .prep-card-image,
    .prep-icon { width: min(100%, 200px); }
    .prep-card-image-wide { width: min(100%, 260px); }
    .prep-card-body { padding: 22px 20px 22px; }
    .prep-card-title { font-size: 22px; }
    .guide-card { display: block; }
    .guide-card-body { padding: 24px 22px 78px; }
    .guide-card-img { display: none; }
    .trust-bar {
      padding: 18px 24px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      align-items: stretch;
    }
    .trust-item {
      min-height: 100%;
      padding: 14px 16px;
      font-size: 11px;
      border-right: none;
      border: 0.5px solid rgba(21,54,95,0.08);
      border-radius: 14px;
      background: rgba(255,255,255,0.42);
    }
    .why-grid { gap: 28px; margin-top: 36px; }
    footer { padding: 48px 24px 32px; }
    .footer-grid { gap: 28px; margin-bottom: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .footer-disclaimer { text-align: center; }
    .why-cards { grid-template-columns: 1fr; }
    .usa-lab-card { padding: 24px; gap: 20px; }
    .usa-lab-intro { align-items: flex-start !important; }
    .usa-lab-stats {
      width: 100%;
      justify-content: space-between;
      gap: 16px !important;
    }
    .usa-lab-stat {
      flex: 1 1 0;
      min-width: 0;
    }
    .product-visual {
      min-height: 300px;
      padding: 24px 16px 0;
    }
    .product-image {
      height: clamp(240px, 58vw, 340px);
    }
    .product-footer {
      gap: 12px;
      align-items: flex-start;
      flex-direction: column;
    }
    .faq-layout { gap: 28px; margin-top: 36px; }
    .about-story-grid { gap: 28px !important; margin-bottom: 48px !important; }
    .about-pillars-grid { margin-bottom: 48px !important; }
    .about-cta-panel { padding: 32px 24px !important; }
    .info-section p[style*='margin-bottom:72px'] { margin-bottom: 40px !important; }
    .responsible-box { padding: 28px 22px 24px; }
    .wa-float {
      right: 18px;
      bottom: 18px;
      padding: 12px 16px 12px 14px;
    }
  }

  @media (max-width: 640px) {
    nav {
      padding-inline: 16px;
    }

    .nav-wordmark {
      font-size: 14px;
      letter-spacing: 2px;
    }

    .nav-cta {
      padding: 10px 14px;
      font-size: 0;
      width: 44px;
      height: 44px;
      min-width: 44px;
      min-height: 44px;
      justify-content: center;
      align-items: center;
      gap: 0;
    }

    .nav-cta svg {
      width: 26px;
      height: 26px;
      display: block;
      transform: translateX(1px);
      overflow: visible;
    }

    .nav-cta svg path {
      transform-box: fill-box;
      transform-origin: center;
      transform: scale(1.14);
    }

    .hero-actions .btn-secondary {
      width: auto;
    }

    .hero {
      padding: 156px 16px 56px;
    }

    section,
    footer {
      padding-inline: 16px !important;
    }

    .info-section {
      padding: 64px 16px !important;
    }

    .hero-tag,
    .section-tag {
      letter-spacing: 2.2px;
    }

    .section-title,
    .why-text h2 {
      font-size: clamp(28px, 9vw, 38px);
      letter-spacing: -0.7px;
    }

    .trust-bar {
      grid-template-columns: 1fr;
      padding-inline: 16px;
    }

    .trust-item {
      font-size: 12px;
    }

    .usa-lab-card {
      padding: 20px;
    }

    .usa-lab-intro {
      gap: 14px !important;
      flex-direction: column;
    }

    .usa-lab-stats {
      gap: 12px !important;
    }

    .usa-lab-stat div[style*='font-size:28px'] {
      font-size: 24px !important;
    }

    .product-content,
    .guide-card-body {
      padding-inline: 18px;
    }

    .product-visual {
      min-height: 260px;
    }

    .product-image {
      height: clamp(216px, 62vw, 280px);
    }

    .faq-question,
    .edu-item button {
      font-size: 15px !important;
      line-height: 1.35;
      align-items: flex-start !important;
    }

    .faq-icon,
    .edu-icon {
      margin-top: 2px;
    }

    .about-story-stack > div,
    .about-pillars-grid > div,
    .protocol-grid > div {
      padding: 22px 20px !important;
    }

    .protocol-grid table {
      font-size: 10px !important;
    }

    .about-cta-panel {
      padding: 28px 20px !important;
    }

    .wa-float {
      left: 16px;
      right: 16px;
      justify-content: center;
      bottom: 14px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .hero::after,
    .hero-tag::before,
    .hero-vial.featured .hero-vial-image {
      animation: none;
    }

    .hero-reveal,
    .hero-vial-reveal,
    .reveal-in {
      opacity: 1;
      transform: none;
      animation: none;
      transition: none;
    }

    .hero-card,
    .hero-vials,
    .product-image,
    .faq-answer,
    .edu-item .edu-a {
      transform: none;
      transition: none;
    }
  }