/* ================================================================
   Data Gatekeeper Landing Page — datagatekeeper.css
   No external dependencies. Uses system font stack.
   ================================================================ */

/* ─── CSS Variables ──────────────────────────────────────────── */
:root {
  --navy:        #0F2B5B;
  --navy-light:  #1E3A6E;
  --msblue:      #0078D4;
  --teal:        #00B4D8;
  --body-color:  #1E293B;
  --muted:       #64748B;
  --border:      #E2E8F0;
  --lightbg:     #F8FAFC;
  --red-bg:      #FEF2F2;
  --red-border:  #FECACA;
  --red-text:    #DC2626;
  --red-icon:    #EF4444;
  --green-bg:    #F0FDF4;
  --green-border:#BBF7D0;
  --green-text:  #16A34A;
  --green-icon:  #22C55E;
  --amber-bg:    #FEF3C7;
  --amber-text:  #92400E;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  color: var(--body-color);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  background: #fff;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ─── Layout Helpers ─────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
@media (min-width: 768px) {
  .container { padding-left: 1.5rem; padding-right: 1.5rem; }
}

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-2  { gap: 0.5rem; }
.gap-3  { gap: 0.75rem; }
.gap-4  { gap: 1rem; }
.gap-6  { gap: 1.5rem; }
.shrink-0 { flex-shrink: 0; }

.grid-2 { display: grid; gap: 1.5rem; }
.grid-3 { display: grid; gap: 1.5rem; }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ─── Typography ─────────────────────────────────────────────── */
.section-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--msblue);
  margin-bottom: 0.75rem;
}
.section-label--teal { color: var(--teal); }

.section-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
}
.section-heading--white { color: #fff; }

.amber-pill {
  background-color: var(--amber-bg);
  color: var(--amber-text);
  padding: 2px 10px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1em;
  display: inline;
}

/* ─── Scroll Animation ───────────────────────────────────────── */
.animate-on-scroll {
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Subheader Nav (inline, below site header) ─────────────── */
#site-nav {
  position: relative;
  background: #fff;
  border-top: 3px solid var(--teal);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}
.nav-logo svg { color: var(--navy); }
.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.nav-badge {
  display: none;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(0,180,216,0.12);
  color: var(--teal);
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (min-width: 640px) { .nav-badge { display: inline-block; } }

/* Subheader nav links — always visible */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
@media (min-width: 768px) { .nav-links { gap: 1.75rem; } }

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
  white-space: nowrap;
}
@media (min-width: 768px) { .nav-links a { font-size: 1rem; } }
.nav-links a:hover { color: var(--navy); }

.btn-appsource {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--msblue);
  color: #fff !important;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.btn-appsource:hover { background: #006bbf; color: #fff; }

/* Hamburger — hidden, mobile handled by site's own nav */
.nav-hamburger { display: none; }

/* ─── HERO ───────────────────────────────────────────────────── */
#hero {
  background-color: var(--navy);
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg stroke='%231E3A6E' stroke-width='0.5'%3E%3Cpath d='M0 0l60 60M60 0L0 60'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  padding: 4rem 0 4rem;
  text-align: center;
}
@media (min-width: 768px) { #hero { padding: 5rem 0 5rem; } }
@media (min-width: 1024px){ #hero { padding: 6rem 0 6rem; } }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(0,180,216,0.3);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (min-width: 768px) { .hero-badge { font-size: 0.875rem; } }

.hero-h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #CBD5E1;
  max-width: 48rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
@media (min-width: 576px) { .hero-ctas { flex-direction: row; justify-content: center; } }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: 999px;
  transition: background 0.2s;
  box-shadow: 0 4px 14px rgba(0,180,216,0.3);
}
.btn-primary:hover { background: #009ec0; color: #fff; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: 999px;
  transition: border-color 0.2s;
}
.btn-outline:hover { border-color: #fff; color: #fff; }

.hero-trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
}
@media (min-width: 576px) {
  .hero-trust { flex-direction: row; justify-content: center; gap: 0; }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: rgba(255,255,255,0.6);
}
.trust-item svg { color: var(--teal); }

.trust-divider {
  display: none;
  margin: 0 1rem;
  color: rgba(255,255,255,0.2);
}
@media (min-width: 576px) { .trust-divider { display: inline; } }

/* ─── Sections General ────────────────────────────────────────── */
.section { padding: 4rem 0; }
@media (min-width: 768px) { .section { padding: 6rem 0; } }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

/* ─── Problem Section ────────────────────────────────────────── */
#problem { background: #fff; }

.problem-card {
  border-radius: 1rem;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}
@media (min-width: 768px) { .problem-card { padding: 2rem; } }
.problem-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }

.problem-card--native {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
}
.problem-card--dgk {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  background-color: initial;
}
.card-icon-circle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon-circle--red   { background: #FEE2E2; color: var(--red-text); }
.card-icon-circle--green { background: #DCFCE7; color: var(--green-text); }

.card-title--red   { font-size: 1.05rem; font-weight: 700; color: var(--red-text); }
.card-title--green { font-size: 1.05rem; font-weight: 700; color: var(--green-text); }

.feature-list ul {
  padding-left: 1em !important;
}
  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--body-color);
    margin-bottom: 0.75rem;
    line-height: 1.6;
  }

    .feature-list li:last-child {
      margin-bottom: 0;
    }

  .feature-list svg {
    flex-shrink: 0;
    margin-top: 2px;
  }

  .icon-red {
    color: var(--red-icon);
  }

  .icon-green {
    color: var(--green-icon);
  }
  /* ─── How It Works ───────────────────────────────────────────── */
  #steps {
    background: var(--lightbg);
  }

  .step-card {
    position: relative;
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem;
    border-left: 4px solid var(--msblue);
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    transition: box-shadow 0.2s;
  }

  @media (min-width: 768px) {
    .step-card {
      padding: 2rem;
    }
  }

  .step-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  }

  .step-number {
    position: absolute;
    top: -10px;
    right: 16px;
    font-size: 7rem;
    font-weight: 900;
    color: rgba(15,43,91,0.06);
    line-height: 1;
    pointer-events: none;
    user-select: none;
  }

  @media (max-width: 767px) {
    .step-number {
      font-size: 5rem;
      right: 8px;
    }
  }

  .step-inner {
    position: relative;
    z-index: 1;
  }

.icon-circle:before {
  content: "";
}
  .icon-circle {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
  }

  .icon-circle--teal {
    background: rgba(0,180,216,0.1);
    color: var(--teal);
  }

  .icon-circle--blue {
    background: rgba(0,120,212,0.1);
    color: var(--msblue);
  }

  .card-h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.75rem;
  }

  .card-p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.7;
  }
  /* ─── Features ───────────────────────────────────────────────── */
  #features {
    background: #fff;
  }

  .feature-hero-card {
    background: var(--navy);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s;
  }

  @media (min-width: 768px) {
    .feature-hero-card {
      padding: 2.5rem;
    }
  }

  @media (min-width: 1024px) {
    .feature-hero-card {
      padding: 3rem;
    }
  }

  .feature-hero-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  }

  .feature-hero-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  @media (min-width: 768px) {
    .feature-hero-inner {
      flex-direction: row;
      align-items: flex-start;
      gap: 2.5rem;
    }
  }

  .icon-circle--lg {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: rgba(0,180,216,0.15);
    color: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .feature-hero-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal);
  }

  .feature-hero-title {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0.5rem 0 0.75rem;
  }

  .feature-hero-p {
    color: #94A3B8;
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    transition: box-shadow 0.2s;
  }

  @media (min-width: 768px) {
    .feature-card {
      padding: 2rem;
    }
  }

  .feature-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.09);
  }
  /* ─── Benefits ───────────────────────────────────────────────── */
  #benefits {
    background: var(--navy);
  }

  .benefits-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
  }

  @media (min-width: 576px) {
    .benefits-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (min-width: 1024px) {
    .benefits-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .benefit-card {
    background: rgba(30,58,110,0.6);
    border: 1px solid var(--navy-light);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: border-color 0.2s;
  }

    .benefit-card:hover {
      border-color: rgba(0,180,216,0.4);
    }

  .benefit-icon {
    color: var(--teal);
    margin-bottom: 1rem;
  }

  .benefit-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
  }

  .benefit-desc {
    font-size: 0.85rem;
    color: #94A3B8;
    line-height: 1.65;
  }
  /* ─── CTA Section ────────────────────────────────────────────── */
  #get-it {
    background: linear-gradient(to right, var(--msblue), var(--teal));
    padding: 4rem 0;
    text-align: center;
  }

  @media (min-width: 768px) {
    #get-it {
      padding: 6rem 0;
    }
  }

  .cta-h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
  }

  .cta-sub {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    margin-bottom: 2.5rem;
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
  }

  @media (min-width: 768px) {
    .cta-sub {
      font-size: 1.1rem;
    }
  }

  .cta-btns {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }

  @media (min-width: 576px) {
    .cta-btns {
      flex-direction: row;
      justify-content: center;
    }
  }

  .btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--msblue);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.875rem 2rem;
    border-radius: 999px;
    transition: background 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  }

    .btn-cta-primary:hover {
      background: #f0f9ff;
      color: var(--msblue);
    }

  .btn-cta-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.875rem 2rem;
    border-radius: 999px;
    transition: border-color 0.2s;
  }

    .btn-cta-outline:hover {
      border-color: #fff;
      color: #fff;
    }

  .cta-fine {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.45);
  }

  @media (min-width: 768px) {
    .cta-fine {
      font-size: 0.85rem;
    }
  }
  /* ─── Footer ─────────────────────────────────────────────────── */
  #site-footer {
    background: var(--navy);
  }

  .footer-teal-bar {
    height: 3px;
    background: var(--teal);
  }

  .footer-inner {
    padding: 2.5rem 0 3rem;
  }

  .footer-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
  }

  @media (min-width: 768px) {
    .footer-row {
      flex-direction: row;
      justify-content: space-between;
      text-align: left;
    }
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--teal);
  }

  .footer-logo-text {
    font-weight: 700;
    color: #fff;
  }

  .footer-logo-sub {
    font-size: 0.875rem;
    color: var(--muted);
    margin-left: 0.25rem;
  }

  .footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }

    .footer-nav a {
      font-size: 0.875rem;
      color: var(--muted);
      transition: color 0.2s;
    }

      .footer-nav a:hover {
        color: #fff;
      }

  .footer-copy {
    font-size: 0.875rem;
    color: var(--muted);
  }

  .footer-credit {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--navy-light);
    font-size: 0.7rem;
    color: rgba(100,116,139,0.5);
  }