/* ==========================================================================
   Digital Intelligence Solutions — Design Tokens
   Palette: navy #0B2545, charcoal #1F2933, deep red #B3261E,
            light gray #F5F6F8, white #FFFFFF, border #E2E5EA
   Type: "Source Serif" for headings feel replaced with system serif stack
         (no external font requests), Inter-like system sans for body.
   ========================================================================== */

:root {
  --color-navy: #0B2545;
  --color-navy-dark: #071a33;
  --color-charcoal: #1F2933;
  --color-red: #B3261E;
  --color-red-dark: #8f1e17;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F6F8;
  --color-border: #E2E5EA;
  --color-muted: #5B6774;
  --font-display: Georgia, 'Iowan Old Style', 'Palatino Linotype', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(11,37,69,0.08);
  --shadow-md: 0 8px 24px rgba(11,37,69,0.10);
  --container-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background: var(--color-bg);
  line-height: 1.55;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-navy); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-navy); line-height: 1.2; margin: 0 0 0.5em; }
p { margin: 0 0 1em; color: var(--color-charcoal); }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-navy); color: #fff;
  padding: 10px 16px; z-index: 999;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Notice bar ---------- */
.notice-bar {
  background: var(--color-navy-dark);
  color: #d7deea;
  font-size: 0.8rem;
  text-align: center;
  padding: 8px 16px;
}
.notice-bar p { margin: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: var(--container-width); margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-text { font-family: var(--font-display); font-size: 0.95rem; line-height: 1.15; color: var(--color-navy); }
.brand-text.light { color: #fff; }
.brand-text strong { display: block; font-size: 1.05rem; }

.primary-nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; align-items: center; }
.primary-nav a { color: var(--color-charcoal); font-weight: 600; font-size: 0.95rem; }
.primary-nav a:hover { color: var(--color-navy); text-decoration: none; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.has-dropdown { position: relative; }
.dropdown {
  display: none; position: absolute; top: 100%; left: 0; background: #fff;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); min-width: 220px; padding: 8px; margin-top: 8px;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { display: block; }
.dropdown li a { display: block; padding: 8px 10px; border-radius: 6px; font-weight: 500; }
.dropdown li a:hover { background: var(--color-bg-alt); text-decoration: none; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-navy); margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600;
  font-size: 0.95rem; cursor: pointer; border: 2px solid transparent; text-align: center;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-red); color: #fff; border-color: var(--color-red); }
.btn-primary:hover { background: var(--color-red-dark); border-color: var(--color-red-dark); }
.btn-outline { background: transparent; color: var(--color-navy); border-color: var(--color-navy); }
.btn-outline:hover { background: var(--color-navy); color: #fff; }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); }
.btn-block { display: block; width: 100%; }
.nav-cta { padding: 10px 18px; font-size: 0.88rem; }

/* ---------- Layout helpers ---------- */
.section { padding: 72px 20px; }
.section-inner, .hero-inner, .footer-main, .header-inner { max-width: var(--container-width); margin: 0 auto; }
.section-inner.narrow { max-width: 820px; }
.center { text-align: center; }
.eyebrow { color: var(--color-red); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; margin-bottom: 10px; }
.section-note { color: var(--color-muted); font-size: 0.92rem; max-width: 820px; margin: 24px auto 0; }
.section-lead { color: var(--color-muted); max-width: 680px; margin: 0 auto 36px; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(180deg, #F5F6F8 0%, #FFFFFF 60%); padding: 56px 20px 72px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: start; }
.hero-copy h1 { font-size: clamp(2rem, 3.4vw, 2.7rem); }
.hero-lead { color: var(--color-muted); font-size: 1.05rem; max-width: 520px; }
.trust-points { list-style: none; padding: 0; margin: 22px 0; display: flex; flex-direction: column; gap: 10px; }
.trust-points li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--color-navy); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* ---------- Case review form ---------- */
.case-form-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 28px;
}
.case-form-heading { margin-bottom: 6px; font-size: 1.4rem; }
.case-form-intro { color: var(--color-muted); font-size: 0.92rem; margin-bottom: 18px; }
.form-progress { display: flex; gap: 16px; margin-bottom: 18px; font-size: 0.8rem; font-weight: 700; color: var(--color-muted); }
.form-progress .step.active { color: var(--color-red); }
fieldset.form-step { border: 0; padding: 0; margin: 0 0 12px; }
fieldset legend { font-family: var(--font-display); color: var(--color-navy); font-size: 1.05rem; padding: 0; margin-bottom: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field-full { grid-column: 1 / -1; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 0.84rem; font-weight: 600; color: var(--color-charcoal); }
.form-field input, .form-field select, .form-field textarea {
  padding: 11px 12px; border: 1px solid var(--color-border); border-radius: 8px;
  font-size: 0.95rem; font-family: inherit; background: #fff; color: var(--color-charcoal);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--color-navy); outline-offset: 1px; border-color: var(--color-navy);
}
.phone-group { display: flex; gap: 8px; }
.phone-group select { flex: 0 0 120px; }
.phone-group input { flex: 1; }
.honeypot { position: absolute; left: -9999px; top: -9999px; }
.form-safety-warning {
  background: #FDECEA; border: 1px solid #F3C6C1; color: var(--color-red-dark);
  border-radius: var(--radius-md); padding: 14px 16px; font-size: 0.86rem; margin: 18px 0;
}
.form-consents { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.checkbox-field { display: flex; gap: 10px; align-items: flex-start; font-size: 0.85rem; color: var(--color-muted); }
.checkbox-field input { margin-top: 3px; }
.form-fine-print { text-align: center; font-size: 0.78rem; color: var(--color-muted); margin-top: 10px; }
.form-alert { padding: 12px 14px; border-radius: 8px; font-size: 0.88rem; margin-bottom: 14px; }
.form-alert-error { background: #FDECEA; color: var(--color-red-dark); border: 1px solid #F3C6C1; }
.form-alert-success { background: #E7F5EC; color: #1E6B3C; border: 1px solid #BEE3CB; }
.file-preview { font-size: 0.8rem; color: var(--color-muted); margin-top: 6px; }
.case-form-compact fieldset legend { font-size: 0.95rem; }

/* ---------- Card grids ---------- */
.card-grid { display: grid; gap: 24px; margin-top: 36px; }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.info-card {
  background: var(--color-bg-alt); border-radius: var(--radius-lg); padding: 26px;
  border: 1px solid var(--color-border);
}
.icon-badge {
  width: 52px; height: 52px; border-radius: 50%; background: #fff; display: flex;
  align-items: center; justify-content: center; margin-bottom: 14px; box-shadow: var(--shadow-sm);
}
.info-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.info-card p { color: var(--color-muted); font-size: 0.92rem; margin: 0; }

/* ---------- Process ---------- */
.process-section { background: var(--color-bg-alt); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 36px; }
.process-step { background: #fff; border-radius: var(--radius-lg); padding: 26px; border: 1px solid var(--color-border); text-align: center; }
.step-number {
  display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px;
  border-radius: 50%; background: var(--color-navy); color: #fff; font-weight: 700; margin-bottom: 12px;
}
.process-step h3 { font-size: 1rem; }
.process-step p { color: var(--color-muted); font-size: 0.9rem; margin: 0; }

/* ---------- Situations ---------- */
.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 32px; }
.situation-chip {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 16px; text-align: center; font-weight: 600; color: var(--color-navy); font-size: 0.92rem;
}

/* ---------- Awareness / article cards ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 32px; }
.filter-btn {
  border: 1px solid var(--color-border); background: #fff; padding: 8px 16px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; color: var(--color-muted); cursor: pointer;
}
.filter-btn.active, .filter-btn:hover { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }
.article-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 40px; }
.article-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
}
.article-image { display: block; }
.article-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.article-category { color: var(--color-red); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.article-body h3 { font-size: 1.02rem; margin: 0; }
.article-body h3 a { color: var(--color-navy); }
.article-body p { color: var(--color-muted); font-size: 0.88rem; margin: 0; flex: 1; }
.article-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--color-muted); margin-top: 8px; }
.read-guide-link { font-weight: 700; color: var(--color-red); }
.article-card.hidden { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-dark); color: #cfd7e3; margin-top: 40px; }
.footer-disclaimer { max-width: var(--container-width); margin: 0 auto; padding: 30px 20px 10px; font-size: 0.8rem; color: #9fb0c6; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding: 36px 20px; }
.footer-col h3 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: #cfd7e3; font-size: 0.9rem; }
.footer-col a:hover { color: #fff; }
.footer-brand p { color: #9fb0c6; font-size: 0.85rem; margin-top: 10px; }
.contact-list li { color: #cfd7e3; font-size: 0.88rem; }
.footer-bottom { text-align: center; padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.78rem; color: #8698b3; }

.back-to-top {
  position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-navy); color: #fff; border: none; font-size: 1.1rem; cursor: pointer;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }

/* ---------- Generic content page styles ---------- */
.page-hero { background: var(--color-bg-alt); padding: 60px 20px; text-align: center; }
.page-hero h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.page-hero p { color: var(--color-muted); max-width: 680px; margin: 0 auto; }
.content-block { max-width: 820px; margin: 0 auto; padding: 56px 20px; }
.content-block h2 { margin-top: 1.6em; }
.content-block ul { color: var(--color-charcoal); }
.breadcrumbs { font-size: 0.82rem; color: var(--color-muted); max-width: var(--container-width); margin: 20px auto 0; padding: 0 20px; }
.breadcrumbs a { color: var(--color-muted); }

.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question { width: 100%; text-align: left; background: none; border: 0; padding: 16px 4px; font-weight: 700; font-size: 1rem; cursor: pointer; display: flex; justify-content: space-between; color: var(--color-navy); }
.faq-answer { display: none; padding: 0 4px 16px; color: var(--color-muted); }
.faq-item.open .faq-answer { display: block; }

.blog-search-bar { display: flex; gap: 10px; max-width: 480px; margin: 0 auto 24px; }
.blog-search-bar input { flex: 1; padding: 12px 14px; border-radius: 999px; border: 1px solid var(--color-border); }

.featured-article { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; background: var(--color-bg-alt); border-radius: var(--radius-lg); padding: 30px; margin-bottom: 48px; }
.featured-article .article-category { display: inline-block; margin-bottom: 6px; }
.featured-article h2 { font-size: 1.6rem; }

/* Transparency / advertising-safe statement list */
.transparency-list { list-style: none; padding: 0; margin: 24px 0; }
.transparency-list li { padding: 10px 0 10px 28px; position: relative; border-bottom: 1px solid var(--color-border); color: var(--color-charcoal); }
.transparency-list li::before { content: "\2713"; position: absolute; left: 0; color: var(--color-red); font-weight: 700; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .icon-grid { grid-template-columns: repeat(3, 1fr); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .featured-article { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed; top: 0; right: 0; height: 100vh; width: 78%; max-width: 320px;
    background: #fff; flex-direction: column; align-items: flex-start; padding: 90px 24px 24px;
    transform: translateX(100%); transition: transform .25s ease; box-shadow: var(--shadow-md);
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav ul { flex-direction: column; align-items: flex-start; gap: 16px; }
  .dropdown { position: static; display: block; box-shadow: none; border: none; padding-left: 12px; }
  .form-grid { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .icon-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
}