/* =============================================================
   SHARED STYLES — karthea.ai
   Covers: index, notes, about, privacy-policy, terms-of-service
============================================================= */

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

/* CUSTOM PROPERTIES */
:root {
  --navy:        #0A1628;
  --navy-mid:    #0F2040;
  --navy-light:  #1A3357;
  --white:       #FFFFFF;
  --gray-50:     #F8FAFC;
  --gray-100:    #F1F5F9;
  --gray-200:    #E2E8F0;
  --gray-400:    #94A3B8;
  --gray-600:    #475569;
  --gray-800:    #1E293B;
  --accent:      #2C7BE5;
  --accent-hover:#1A6AD4;
  --accent-soft: #EBF3FE;
  --teal:        #0E9F8E;
  --teal-soft:   #E6F7F5;
  --amber:       #D97706;
  --amber-soft:  #FEF3C7;
  --text:        #0F172A;
  --text-muted:  #64748B;
  --border:      #E2E8F0;
  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.14);
  --max-w:       1160px;
  --section-v:   96px;
}

/* BODY */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--text-muted); line-height: 1.75; }

.label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.label--teal  { color: var(--teal); }
.label--amber { color: var(--amber); }
.label--white { color: rgba(255,255,255,.65); }

/* LAYOUT */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: var(--section-v) 0; }
.section--flush-top { padding-top: 0; }
.section--gray  { background: var(--gray-50); }
.section--dark  { background: var(--navy); color: var(--white); }
.section--dark p { color: rgba(255,255,255,.72); }
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--white); }
.section--navy-mid { background: var(--navy-mid); }
.text-center { text-align: center; }
.col-span-2 { grid-column: span 2; }

/* INLINE LINKS */
.text-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color .15s;
}
.text-link:hover { color: var(--accent-hover); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s ease, transform .12s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--white); box-shadow: 0 4px 14px rgba(44,123,229,.35); }
.btn--primary:hover { background: var(--accent-hover); box-shadow: 0 6px 18px rgba(44,123,229,.45); }
.btn--ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.32); }
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.6); }
.btn--ghost-dark { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn--ghost-dark:hover { background: var(--accent-soft); }
.btn--lg { padding: 17px 36px; font-size: 1.02rem; }
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn--full { width: 100%; justify-content: center; }

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav__logo span { color: var(--accent); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  transition: color .15s;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--white); }
.nav__cta { margin-left: 16px; }
.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  border-radius: 2px;
  transition: .2s;
}
.nav__back {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color .15s;
}
.nav__back:hover { color: var(--white); }

/* FOOTER */
.footer { background: var(--gray-800); padding: 48px 0 32px; }
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-bottom: 32px;
  margin-bottom: 24px;
}
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.footer__logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: block;
}
.footer__logo span { color: var(--accent); }
.footer__tagline {
  font-size: 0.84rem;
  color: rgba(255,255,255,.45);
  line-height: 1.4;
}
.footer__links {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.footer__links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color .15s;
}
.footer__links a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copy { font-size: 0.78rem; color: rgba(255,255,255,.3); }
.footer__disclaimer { font-size: 0.72rem; color: rgba(255,255,255,.25); max-width: 480px; line-height: 1.5; }
.footer__legal-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer__legal-link {
  font-size: 0.78rem;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  transition: color .15s;
}
.footer__legal-link:hover { color: rgba(255,255,255,.75); }

/* RESPONSIVE — SHARED */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    gap: 16px;
  }
  .nav__mobile-toggle { display: block; }
  .nav__cta { display: none; }
  .footer__top { flex-wrap: wrap; gap: 16px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .about-photo { width: 160px; height: 160px; }
}

/* =============================================================
   PAGE HEADER — content pages (notes, about)
============================================================= */
.page-header {
  background: var(--navy);
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.page-header h1 { color: var(--white); margin-bottom: 16px; }
.page-header p  { color: rgba(255,255,255,.65); max-width: 580px; font-size: 1rem; line-height: 1.7; }

/* PAGE HEADER — legal variant (privacy-policy, terms-of-service) */
.page-header--legal {
  background: linear-gradient(135deg, var(--navy) 0%, #0D2244 100%);
  padding: 72px 0 64px;
  border-bottom: none;
}
.page-header--legal h1 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 12px; }
.page-header--legal p  { font-size: 0.92rem; color: rgba(255,255,255,.55); max-width: none; }

/* =============================================================
   NOTES PAGE
============================================================= */
.notes-list { max-width: 720px; }
.note-item {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.note-item:last-child { border-bottom: none; }
.note-item h2 { margin-bottom: 6px; font-size: clamp(1.4rem, 2.8vw, 2rem); }
.note-date {
  font-size: 0.80rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.note-item p { margin-bottom: 12px; }
.note-item p:last-child { margin-bottom: 0; }
.notes-empty { padding: 48px 0; color: var(--text-muted); font-size: 1rem; }

/* =============================================================
   ABOUT PAGE
============================================================= */
.about-content { max-width: 720px; }
.about-photo-block { text-align: center; padding: 56px 0 16px; }
.about-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  display: block;
  margin: 0 auto;
  border: 3px solid var(--border);
}
.about-photo-caption { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.02em; }
.about-section { padding: 40px 0; border-bottom: 1px solid var(--border); }
.about-section:last-of-type { border-bottom: none; }
.about-section h2 { font-size: clamp(1.15rem, 2vw, 1.35rem); margin-bottom: 20px; color: var(--text); }
.about-section p { margin-bottom: 16px; }
.about-section p:last-child { margin-bottom: 0; }
.about-linkedin-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
}
.about-linkedin-link:hover { color: var(--accent-hover); }

/* CTA SECTION (about page) */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, #0D2244 100%);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 500px at 50% 50%, rgba(44,123,229,.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; max-width: 680px; margin-left: auto; margin-right: auto; }
.cta-section p  { color: rgba(255,255,255,.68); max-width: 580px; margin: 0 auto 36px; font-size: 1rem; }
.cta-section .btn-group { justify-content: center; }
.cta-section .micro-note { margin-top: 18px; font-size: 0.78rem; color: rgba(255,255,255,.38); }
.cta-section .secondary-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.88rem;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .15s;
}
.cta-section .secondary-link:hover { color: rgba(255,255,255,.85); }
.cta-section .container { position: relative; z-index: 1; }

/* =============================================================
   PROSE — legal pages (privacy-policy, terms-of-service)
============================================================= */
.prose { max-width: 780px; padding: 64px 0 96px; }
.prose h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-top: 48px;
  margin-bottom: 12px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.prose h2:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.prose h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin-top: 28px; margin-bottom: 8px; }
.prose p { color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.prose ul { margin: 12px 0 20px 20px; display: flex; flex-direction: column; gap: 6px; }
.prose ul li { color: var(--text-muted); line-height: 1.7; }
.prose a { color: var(--accent); text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose strong { color: var(--text); font-weight: 600; }

/* ============================================================
   INDEX PAGE
============================================================ */
    /* =============================================
       LAYOUT UTILITIES (index-specific)
    ============================================= */
    .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .flex    { display: flex; }
    .flex-center { display: flex; align-items: center; justify-content: center; }
    .gap-4 { gap: 16px; }
    .gap-6 { gap: 24px; }
    .mt-4 { margin-top: 16px; }
    .mt-6 { margin-top: 24px; }
    .mt-8 { margin-top: 32px; }
    .mt-12 { margin-top: 48px; }
    .mb-2 { margin-bottom: 8px; }
    .mb-4 { margin-bottom: 16px; }
    .mb-6 { margin-bottom: 24px; }
    .mt-5 { margin-top: 20px; }

    /* =============================================
       INDEX-SPECIFIC COMPONENT CLASSES
    ============================================= */
    .cta-micro--left { text-align: left; }
    .offer-tier-label { font-size: 0.72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
    .problem__intro { max-width: 720px; margin: 0 auto 40px; text-align: center; color: var(--text-muted); line-height: 1.75; }
    .uc-card__icon--lg { font-size: 1.6rem; }
    .uc-card__outcomes-label { font-size: .88rem; color: var(--gray-600); font-weight: 600; margin-bottom: 12px; }
    .uc-card__outcomes--grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
    .who-runs { max-width: 680px; }
    .who-runs > p:first-of-type { margin-top: 20px; }
    .who-runs__links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; align-items: center; }

    /* FORM SUCCESS STATE */
    #form-success { display: none; text-align: center; padding: 52px 24px; }
    .form-success__check { font-size: 2.8rem; color: var(--accent); margin-bottom: 16px; }
    .form-success__title { margin: 0 0 10px; color: var(--white); }
    .form-success__message { color: var(--text-muted); margin: 0 0 20px; }

    /* =============================================
       HERO
    ============================================= */
    .hero {
      background: linear-gradient(135deg, var(--navy) 0%, #0D2244 60%, #0A1C38 100%);
      padding: 100px 0 110px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 900px 600px at 70% 40%, rgba(44,123,229,.13) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero__grid { display: grid; grid-template-columns: 1fr 420px; gap: 64px; align-items: center; }
    .hero__eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(44,123,229,.15);
      border: 1px solid rgba(44,123,229,.3);
      border-radius: 100px;
      padding: 6px 14px;
      font-size: 0.78rem;
      font-weight: 600;
      color: rgba(255,255,255,.85);
      margin-bottom: 28px;
      letter-spacing: 0.04em;
    }
    .hero__eyebrow::before { content: '●'; color: var(--accent); font-size: 0.55rem; }
    .hero h1 { color: var(--white); margin-bottom: 22px; }
    .hero h1 em { color: var(--accent); font-style: normal; }
    .hero__sub {
      font-size: 1.1rem;
      color: rgba(255,255,255,.72);
      margin-bottom: 36px;
      max-width: 580px;
      line-height: 1.7;
    }
    .hero__note {
      margin-top: 24px;
      font-size: 0.95rem;
      color: rgba(255,255,255,.78);
      line-height: 1.65;
      border-left: 3px solid var(--accent);
      padding-left: 16px;
      font-style: italic;
    }
    .hero__note strong { color: rgba(255,255,255,.92); font-weight: 600; font-style: normal; }

    /* Hero card */
    .hero__card {
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      backdrop-filter: blur(10px);
    }
    .hero__card h3 { color: var(--white); margin-bottom: 6px; font-size: 1rem; }
    .hero__card-label {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 20px;
    }
    .hero__checklist { list-style: none; margin-bottom: 28px; }
    .hero__checklist li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.88rem;
      color: rgba(255,255,255,.78);
      padding: 7px 0;
      border-bottom: 1px solid rgba(255,255,255,.07);
    }
    .hero__checklist li:last-child { border: none; }
    .hero__checklist li::before { content: '✓'; color: var(--teal); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
    .hero__price {
      background: rgba(255,255,255,.06);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      text-align: center;
      margin-bottom: 18px;
    }
    .hero__price .price-amount {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.03em;
    }
    .hero__price .price-label {
      font-size: 0.78rem;
      color: rgba(255,255,255,.5);
      margin-top: 2px;
    }
    .hero__price .price-badge {
      display: inline-block;
      background: var(--amber);
      color: var(--white);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    /* =============================================
       TRUST BAR
    ============================================= */
    .trust-bar {
      background: var(--gray-100);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 20px 0;
    }
    .trust-bar__inner {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 40px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 9px;
      font-size: 0.83rem;
      font-weight: 600;
      color: var(--gray-600);
    }
    .trust-item__icon {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--white);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      flex-shrink: 0;
    }

    /* =============================================
       PROBLEM SECTION
    ============================================= */
    .problem__header { max-width: 680px; margin: 0 auto 56px; text-align: center; }
    .problem__header h2 { margin-bottom: 16px; }
    .leak-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 48px;
    }
    .leak-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 26px;
      position: relative;
      transition: box-shadow .2s, border-color .2s;
    }
    .leak-card:hover { box-shadow: var(--shadow); border-color: #CBD5E1; }
    .leak-card__icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--accent-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 16px;
    }
    .leak-card h4 { color: var(--text); margin-bottom: 8px; }
    .leak-card p  { font-size: 0.88rem; }
    .problem__insight {
      margin-top: 52px;
      background: var(--navy);
      border-radius: var(--radius-lg);
      padding: 44px 52px;
      color: var(--white);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 48px;
      align-items: center;
    }
    .problem__insight h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 12px; }
    .problem__insight p  { color: rgba(255,255,255,.72); max-width: 560px; }
    .problem__insight .big-stat {
      text-align: center;
      flex-shrink: 0;
      min-width: 180px;
    }
    .big-stat__num {
      font-size: 3.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
      letter-spacing: -0.04em;
    }
    .big-stat__label {
      font-size: 0.82rem;
      color: rgba(255,255,255,.6);
      margin-top: 8px;
      line-height: 1.4;
    }

    /* =============================================
       SOLUTION SECTION
    ============================================= */
    .solution__header { max-width: 680px; margin: 0 auto 56px; text-align: center; }
    .solution__grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }
    .solution__copy p { margin-bottom: 18px; }
    .solution__copy h2 { margin-bottom: 20px; }
    .solution__modules {
      background: var(--gray-50);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px;
    }
    .solution__modules h4 {
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 18px;
    }
    .module-list { list-style: none; }
    .module-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      font-size: 0.9rem;
      color: var(--text);
      border-bottom: 1px solid var(--border);
    }
    .module-list li:last-child { border: none; }
    .module-icon {
      width: 26px;
      height: 26px;
      border-radius: 6px;
      background: var(--accent-soft);
      color: var(--accent);
      font-size: 0.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-weight: 700;
    }

    /* =============================================
       HOW IT WORKS
    ============================================= */
    .steps-header { max-width: 620px; margin: 0 auto 64px; text-align: center; }
    .steps-header h2 { color: var(--white); margin-bottom: 16px; }
    .steps-header p   { color: rgba(255,255,255,.65); }
    .steps-track {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      max-width: 820px;
      margin: 0 auto;
    }
    .steps-track::before {
      content: '';
      position: absolute;
      left: 38px;
      top: 40px;
      bottom: 40px;
      width: 2px;
      background: linear-gradient(to bottom, var(--accent) 0%, rgba(44,123,229,.2) 100%);
    }
    .step-item {
      display: flex;
      align-items: flex-start;
      gap: 32px;
      padding: 28px 0;
    }
    .step-item:not(:last-child) { border-bottom: 1px solid rgba(255,255,255,.07); }
    .step-num {
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: rgba(44,123,229,.15);
      border: 2px solid var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--accent);
      position: relative;
      z-index: 1;
    }
    .step-content h3 { color: var(--white); margin-bottom: 8px; }
    .step-content p  { color: rgba(255,255,255,.65); font-size: 0.92rem; }
    .step-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
    .step-tag {
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 100px;
      padding: 4px 12px;
      font-size: 0.75rem;
      color: rgba(255,255,255,.65);
      font-weight: 500;
    }

    /* =============================================
       USE CASES
    ============================================= */
    .uc-header { max-width: 640px; margin: 0 auto 52px; text-align: center; }
    .uc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .uc-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px 28px;
      transition: box-shadow .2s, border-color .2s, transform .15s;
    }
    .uc-card:hover { box-shadow: var(--shadow); border-color: #CBD5E1; transform: translateY(-2px); }
    .uc-card--featured {
      border-color: var(--accent);
      background: linear-gradient(135deg, var(--accent-soft) 0%, var(--white) 60%);
      grid-column: span 2;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .uc-card__badge {
      display: inline-block;
      background: var(--accent);
      color: var(--white);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .uc-card__icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 16px;
    }
    .uc-card__icon--blue  { background: var(--accent-soft); }
    .uc-card__icon--teal  { background: var(--teal-soft); }
    .uc-card__icon--amber { background: var(--amber-soft); }
    .uc-card__icon--purple { background: #F3E8FF; }
    .uc-card h3 { color: var(--text); margin-bottom: 10px; font-size: 1.15rem; }
    .uc-card p  { font-size: 0.9rem; }
    .uc-card__outcomes { list-style: none; margin-top: 16px; }
    .uc-card__outcomes li {
      font-size: 0.85rem;
      color: var(--gray-600);
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 5px 0;
    }
    .uc-card__outcomes li::before { content: '→'; color: var(--accent); font-weight: 700; }

    /* =============================================
       OFFER SECTION
    ============================================= */
    .offer-header { max-width: 620px; margin: 0 auto 56px; text-align: center; }
    .offer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      max-width: 840px;
      margin-left: auto;
      margin-right: auto;
      gap: 24px;
      align-items: start;
    }
    .offer-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      gap: 0;
      transition: box-shadow .2s;
    }
    .offer-card:hover { box-shadow: var(--shadow); }
    .offer-card--featured {
      border: 2px solid var(--accent);
      position: relative;
      overflow: hidden;
    }
    .offer-card--featured::before { display: none; }
    .offer-card--featured::after {
      content: 'RECOMMENDED';
      position: absolute;
      top: 23px;
      right: -35px;
      width: 140px;
      padding: 5px 0;
      background: var(--accent);
      color: var(--white);
      text-align: center;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      white-space: nowrap;
      transform: rotate(45deg);
      z-index: 1;
    }
    .offer-card__tier {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .offer-card h3 { font-size: 1.25rem; color: var(--text); margin-bottom: 6px; }
    .offer-card__timeline {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .offer-card__price {
      margin-bottom: 24px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border);
    }
    .offer-card__price .amount {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -0.04em;
      line-height: 1;
    }
    .offer-card__price .amount span { font-size: 1.2rem; font-weight: 600; color: var(--text-muted); }
    .offer-card__price .note {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .offer-list { list-style: none; flex: 1; margin-bottom: 28px; }
    .offer-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.87rem;
      color: var(--text);
      padding: 7px 0;
      border-bottom: 1px solid var(--gray-100);
    }
    .offer-list li:last-child { border: none; }
    .offer-list li::before { content: '✓'; color: var(--teal); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

    /* =============================================
       WHAT WE DON'T DO
    ============================================= */
    .wdnd-header { max-width: 600px; margin: 0 auto 52px; text-align: center; }
    .wdnd-header h2 { color: var(--white); margin-bottom: 14px; }
    .wdnd-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      max-width: 840px;
      margin: 0 auto;
    }
    .wdnd-item {
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }
    .wdnd-item__x {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(239,68,68,.15);
      border: 1px solid rgba(239,68,68,.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #EF4444;
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
    }
    .wdnd-item__text h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 4px; }
    .wdnd-item__text p  { color: rgba(255,255,255,.58); font-size: 0.84rem; }
    .wdnd-note {
      margin-top: 36px;
      text-align: center;
      padding: 24px;
      background: rgba(14,159,142,.1);
      border: 1px solid rgba(14,159,142,.25);
      border-radius: var(--radius);
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    .wdnd-note p { color: rgba(255,255,255,.78); font-size: 0.92rem; }
    .wdnd-note strong { color: var(--teal); }

    /* =============================================
       WHO THIS IS FOR
    ============================================= */
    .fit-header { max-width: 620px; margin: 0 auto 52px; text-align: center; }
    .fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
    .fit-card {
      border-radius: var(--radius-lg);
      padding: 36px;
    }
    .fit-card--good {
      background: var(--teal-soft);
      border: 1px solid rgba(14,159,142,.25);
    }
    .fit-card--bad {
      background: #FEF2F2;
      border: 1px solid rgba(239,68,68,.2);
    }
    .fit-card h3 { font-size: 1rem; margin-bottom: 20px; }
    .fit-card--good h3 { color: var(--teal); }
    .fit-card--bad  h3 { color: #DC2626; }
    .fit-list { list-style: none; }
    .fit-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text);
      padding: 8px 0;
      border-bottom: 1px solid rgba(0,0,0,.06);
    }
    .fit-list li:last-child { border: none; }
    .fit-list--good li::before { content: '✓'; color: var(--teal); font-weight: 700; flex-shrink: 0; }
    .fit-list--bad  li::before { content: '✗'; color: #DC2626; font-weight: 700; flex-shrink: 0; }

    /* =============================================
       BOTTOM CTA
    ============================================= */
    .cta-section {
      background: linear-gradient(135deg, var(--navy) 0%, #0D2244 100%);
      padding: 96px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 800px 500px at 50% 50%, rgba(44,123,229,.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-section h2 { color: var(--white); margin-bottom: 16px; max-width: 680px; margin-left: auto; margin-right: auto; }
    .cta-section p  { color: rgba(255,255,255,.68); max-width: 580px; margin: 0 auto 36px; font-size: 1rem; }
    .cta-section .btn-group { justify-content: center; }
    .cta-section .micro-note {
      margin-top: 18px;
      font-size: 0.78rem;
      color: rgba(255,255,255,.38);
    }
    .cta-micro {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 10px;
      text-align: center;
    }

    /* =============================================
       FAQ
    ============================================= */
    .faq-header { max-width: 600px; margin: 0 auto 52px; text-align: center; }
    .faq-list { max-width: 760px; margin: 0 auto; }
    .faq-item {
      border-bottom: 1px solid var(--border);
    }
    .faq-item:first-child { border-top: 1px solid var(--border); }
    .faq-q {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      padding: 22px 0;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      transition: color .15s;
    }
    .faq-q:hover { color: var(--accent); }
    .faq-q .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--gray-100);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 1.1rem;
      font-weight: 400;
      transition: background .15s, transform .2s;
    }
    .faq-item.open .faq-icon { background: var(--accent-soft); color: var(--accent); transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 0 0 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 680px;
    }
    .faq-item.open .faq-a { display: block; }

    /* =============================================
       AUDIT DELIVERABLES SECTION
    ============================================= */
    .deliv-header { max-width: 640px; margin: 0 auto 52px; text-align: center; }
    .deliv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .deliv-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 24px;
      transition: box-shadow .2s, border-color .2s;
    }
    .deliv-card:hover { box-shadow: var(--shadow); border-color: #CBD5E1; }
    .deliv-card__num {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 10px;
    }
    .deliv-card h4 { color: var(--text); margin-bottom: 8px; }
    .deliv-card p  { font-size: 0.87rem; }

    /* =============================================
       EXAMPLE CALLOUT
    ============================================= */
    .example-callout {
      background: var(--navy);
      border-radius: var(--radius-lg);
      padding: 48px 52px;
      margin-top: 56px;
      position: relative;
      overflow: hidden;
    }
    .example-callout::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 600px 300px at 80% 50%, rgba(44,123,229,.12) 0%, transparent 70%);
      pointer-events: none;
    }
    .example-callout__label {
      display: inline-block;
      background: rgba(44,123,229,.2);
      border: 1px solid rgba(44,123,229,.35);
      color: rgba(255,255,255,.8);
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 5px 12px;
      border-radius: 100px;
      margin-bottom: 18px;
    }
    .example-callout h3 { color: var(--white); font-size: 1.3rem; margin-bottom: 16px; }
    .example-callout p { color: rgba(255,255,255,.7); max-width: 760px; }
    .example-callout__disclaimer {
      margin-top: 16px;
      font-size: 0.78rem;
      color: rgba(255,255,255,.35);
      font-style: italic;
    }

    /* =============================================
       CONTACT / BOOK AUDIT FORM
    ============================================= */
    .form-header { max-width: 600px; margin: 0 auto 48px; text-align: center; }
    .form-card {
      max-width: 760px;
      margin: 0 auto;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 48px 52px;
      box-shadow: var(--shadow);
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
    .form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
    .form-group input,
    .form-group select,
    .form-group textarea {
      border: 1.5px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 11px 14px;
      font-size: 0.92rem;
      color: var(--text);
      font-family: inherit;
      background: var(--white);
      transition: border-color .15s, box-shadow .15s;
      outline: none;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(44,123,229,.12);
    }
    .form-group textarea { min-height: 110px; resize: vertical; }
    .form-note {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 14px;
      line-height: 1.65;
    }

    /* =============================================
       OTHER SERVICES SECTION
    ============================================= */
    .other-services {
      background: var(--white);
      border-top: 1px solid var(--border);
      padding: 64px 0;
      text-align: center;
    }
    .other-services h2 { margin-bottom: 16px; }
    .other-services-card {
      display: inline-flex;
      flex-direction: column;
      align-items: flex-start;
      background: var(--gray-50);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 36px;
      max-width: 640px;
      text-align: left;
      margin-top: 32px;
    }
    .other-services-card h3 { color: var(--text); margin-bottom: 8px; font-size: 1.1rem; }
    .other-services-card p  { font-size: 0.9rem; margin-bottom: 20px; }

    /* Follow-up gap callout override */
    .followup-gap-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    /* =============================================
       RESPONSIVE
    ============================================= */
    @media (max-width: 1024px) {
      .hero__grid { grid-template-columns: 1fr; }
      .hero__card { max-width: 520px; }
      .offer-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
      .leak-grid  { grid-template-columns: 1fr 1fr; }
      .solution__grid { grid-template-columns: 1fr; }
      .problem__insight { grid-template-columns: 1fr; gap: 28px; padding: 36px; }
    }
    @media (max-width: 768px) {
      :root { --section-v: 64px; }
      .nav__links.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,.1); gap: 16px; }
      .hero { padding: 60px 0 72px; }
      .hero__sub { font-size: 1rem; }
      .leak-grid { grid-template-columns: 1fr; }
      .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
      .uc-grid { grid-template-columns: 1fr; }
      .uc-card--featured { grid-column: span 1; grid-template-columns: 1fr; }
      .wdnd-grid { grid-template-columns: 1fr; }
      .fit-grid  { grid-template-columns: 1fr; }
      .steps-track::before { left: 32px; }
      .step-num { width: 64px; height: 64px; font-size: 1.2rem; }
      .trust-bar__inner { gap: 24px; }
      .btn--lg { padding: 15px 26px; font-size: 0.95rem; }
      .deliv-grid { grid-template-columns: 1fr; }
      .example-callout { padding: 32px 24px; margin-top: 36px; }
      .form-row { grid-template-columns: 1fr; }
      .form-card { padding: 32px 24px; }
    }
    @media (max-width: 480px) {
      .btn-group { flex-direction: column; align-items: stretch; }
      .btn-group .btn { justify-content: center; }
    }