:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --primary: #2563eb;
  --card: #ffffff;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 20;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.menu {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 8px;
}
.menu a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
}
.menu a.active,
.menu a:hover { color: var(--primary); background: #eff6ff; }
.cta-btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: 1px solid #1d4ed8;
  border-radius: 10px;
  padding: 9px 14px;
  white-space: nowrap;
}
.cta-btn:hover {
  background: #1d4ed8;
}
.cta-btn.cta-user-name {
  max-width: min(220px, 42vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}
.hero-slider {
  position: relative;
  background: transparent;
  color: #fff;
  padding: 0;
}
.slides {
  width: 100%;
  margin: 0;
  min-height: 390px;
  position: relative;
}
.slide {
  display: none;
  text-align: center;
  background: transparent;
  border: 0;
  border-radius: 16px;
  padding: 0;
}
.slide.is-active { display: block; }
.promo-banner {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  border: 0;
  box-shadow: none;
  min-height: 390px;
  padding: 0 max(32px, calc((100vw - 1180px) / 2));
}
.promo-dark {
  background:
    radial-gradient(circle at 53% 65%, rgba(56, 189, 248, 0.35), transparent 18%),
    radial-gradient(circle at 75% 22%, rgba(37, 99, 235, 0.28), transparent 22%),
    linear-gradient(135deg, #020617 0%, #0f172a 52%, #0b1220 100%);
}
.promo-light {
  background:
    radial-gradient(circle at 72% 25%, rgba(59, 130, 246, 0.18), transparent 26%),
    linear-gradient(135deg, #f8fbff 0%, #eaf4ff 52%, #f8fafc 100%);
  color: #0f172a;
}
.slide-overlay {
  position: absolute;
  top: 58px;
  left: max(32px, calc((100vw - 1180px) / 2));
  bottom: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  width: 42%;
  text-align: left;
  z-index: 3;
}
.promo-dark .slide-overlay { color: #f8fafc; }
.promo-light .slide-overlay { color: #0f172a; }
.slide-brand {
  margin: 0 0 8px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.slide-overlay h1,
.slide-overlay h2 {
  margin: 0 0 8px;
  line-height: 1.15;
  font-size: 2.65rem;
}
.slide-overlay p {
  margin: 0 0 14px;
  font-size: 1rem;
  max-width: 560px;
}
.slide-cta {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  color: #fff;
  background: #2563eb;
  border: 1px solid #1d4ed8;
}
.slide-cta:hover { background: #1d4ed8; color: #fff; }
.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.shield-graphic {
  position: absolute;
  left: 51%;
  top: 31%;
  width: 120px;
  height: 142px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #38bdf8, #0ea5e9 45%, #1d4ed8);
  clip-path: polygon(50% 0, 92% 18%, 82% 78%, 50% 100%, 18% 78%, 8% 18%);
  box-shadow: 0 0 34px rgba(14, 165, 233, 0.8);
}
.shield-graphic span {
  font-size: 4rem;
  font-weight: 900;
  color: #e0f2fe;
}
.dashboard-card {
  position: absolute;
  right: max(42px, calc((100vw - 1180px) / 2));
  top: 74px;
  width: 390px;
  min-height: 220px;
  border-radius: 16px;
  padding: 14px;
  transform: perspective(900px) rotateY(-9deg) rotateX(2deg);
}
.dark-dashboard {
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.28);
}
.browser-bar { display: flex; justify-content: flex-end; gap: 6px; margin-bottom: 12px; }
.browser-bar span { width: 7px; height: 7px; border-radius: 50%; background: #64748b; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.metric-row div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 9px;
  text-align: left;
}
.metric-row strong { display: block; font-size: 1.5rem; color: #38bdf8; }
.metric-row small { color: #94a3b8; }
.chart-row { display: flex; align-items: center; gap: 18px; margin-top: 16px; }
.donut-chart {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: conic-gradient(#ef4444 0 24%, #f59e0b 24% 58%, #22c55e 58% 100%);
  border: 8px solid rgba(15, 23, 42, 0.7);
}
.chart-row ul { list-style: none; margin: 0; padding: 0; text-align: left; font-size: 0.85rem; }
.risk-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.risk-dot.high { background: #ef4444; }
.risk-dot.med { background: #f59e0b; }
.risk-dot.low { background: #22c55e; }
.feature-strip,
.stats-strip {
  position: absolute;
  left: max(32px, calc((100vw - 1180px) / 2));
  right: max(32px, calc((100vw - 1180px) / 2));
  bottom: 36px;
  display: flex;
  gap: 12px;
  z-index: 2;
  flex-wrap: wrap;
}
.feature-strip span,
.stats-strip span {
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.82rem;
}
.feature-strip span { background: rgba(15, 23, 42, 0.55); color: #bfdbfe; }
.stats-strip span { background: #fff; color: #334155; border: 1px solid #dbeafe; }
.laptop {
  position: absolute;
  right: max(210px, calc((100vw - 1180px) / 2 + 190px));
  top: 74px;
  width: 440px;
  filter: drop-shadow(0 22px 28px rgba(15, 23, 42, 0.16));
}
.laptop-screen {
  position: relative;
  z-index: 2;
  aspect-ratio: 16 / 8.4;
  background: #f8fafc;
  border: 11px solid #111827;
  border-radius: 14px;
  padding: 14px;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.22);
}
.laptop-base {
  position: relative;
  z-index: 1;
  width: 84%;
  height: 23px;
  margin: -1px auto 0;
  background: linear-gradient(180deg, #dbeafe 0%, #b6c4d6 52%, #8ea1b8 100%);
  border-radius: 0 0 28px 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}
.laptop-base::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 26%;
  height: 7px;
  transform: translateX(-50%);
  background: rgba(100, 116, 139, 0.28);
  border-radius: 0 0 10px 10px;
}
.dash-title { font-weight: 800; margin-bottom: 10px; text-align: left; }
.light-chart { border-color: #e2e8f0; }
.scan-list { display: grid; gap: 8px; flex: 1; }
.scan-list span {
  display: block;
  height: 14px;
  background: linear-gradient(90deg, #bfdbfe, #fef3c7);
  border-radius: 999px;
}
.slide-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  z-index: 8;
  margin: 0;
  text-align: center;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid rgba(37, 99, 235, 0.4);
  margin: 0 5px;
  background: #93c5fd;
  cursor: pointer;
}
.dot.active { background: #2563eb; transform: scale(1.12); }

/* Hero layout reset: use a real two-column layout so text and visuals never overlap. */
.promo-banner {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(540px, 1.1fr);
  align-items: center;
  gap: 48px;
  min-height: 405px;
  padding-top: 30px;
  padding-bottom: 66px;
}
.promo-banner .slide-overlay {
  position: relative;
  top: auto;
  left: auto;
  bottom: auto;
  width: auto;
  max-width: 520px;
  padding: 0;
}
.promo-banner .hero-visual {
  position: relative;
  inset: auto;
  min-height: 285px;
  z-index: 1;
}
.promo-banner .dashboard-card {
  top: 18px;
  right: 22px;
}
.promo-dark .shield-graphic {
  left: 20px;
  top: 112px;
}
.promo-light .laptop {
  left: 50%;
  right: auto;
  top: 12px;
  transform: translateX(-50%);
  width: min(455px, 88%);
}
.promo-banner .feature-strip,
.promo-banner .stats-strip {
  left: max(32px, calc((100vw - 1180px) / 2));
  right: max(32px, calc((100vw - 1180px) / 2));
  bottom: 24px;
}
@media (max-width: 1120px) {
  .promo-banner {
    grid-template-columns: minmax(330px, 0.95fr) minmax(420px, 1.05fr);
    gap: 32px;
  }
  .slide-overlay h1,
  .slide-overlay h2 {
    font-size: 2.2rem;
  }
  .dashboard-card {
    width: 390px;
  }
  .promo-light .laptop {
    width: min(440px, 92%);
    left: 50%;
  }
}
.section { padding: 44px 0; }
.hero-slider + .why-section { padding-top: 34px; }
.lead { font-size: 1.1rem; color: #0b3b9a; }
.why-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.12), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(14, 165, 233, 0.13), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}
.why-section::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(37, 99, 235, 0.08);
  border-radius: 28px;
  pointer-events: none;
}
.section-heading {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto 28px;
  text-align: center;
}
.section-heading h2 {
  margin: 6px 0 8px;
  font-size: 2rem;
  line-height: 1.2;
}
.section-heading p {
  margin: 0;
  color: #475569;
}
.eyebrow {
  color: #2563eb !important;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.why-grid {
  position: relative;
  z-index: 1;
  gap: 20px;
}
.why-card {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.why-card::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -42px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.08);
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.12);
}
.why-card h3 {
  margin: 18px 0 8px;
  font-size: 1.18rem;
}
.why-card p {
  margin: 0;
  color: #475569;
}
.why-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.24);
}
.why-icon::before,
.why-icon::after {
  content: "";
  position: absolute;
}
.why-icon-focus::before {
  width: 28px;
  height: 28px;
  border: 4px solid #ffffff;
  border-radius: 50%;
}
.why-icon-focus::after {
  width: 16px;
  height: 4px;
  right: 13px;
  bottom: 15px;
  background: #ffffff;
  border-radius: 999px;
  transform: rotate(45deg);
}
.why-icon-context::before {
  width: 30px;
  height: 22px;
  border: 4px solid #ffffff;
  border-radius: 8px;
}
.why-icon-context::after {
  width: 9px;
  height: 9px;
  right: 13px;
  top: 13px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: -18px 18px 0 -1px #ffffff;
}
.why-icon-action::before {
  width: 30px;
  height: 20px;
  border-left: 4px solid #ffffff;
  border-bottom: 4px solid #ffffff;
  transform: rotate(-45deg);
}
.why-icon-action::after {
  width: 24px;
  height: 4px;
  right: 12px;
  top: 18px;
  background: #ffffff;
  border-radius: 999px;
  transform: rotate(-36deg);
}
.tagline-section {
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 64, 175, 0.92)),
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.26), transparent 30%);
  color: #ffffff;
}
.tagline-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 40px;
}
.tagline-copy {
  max-width: 620px;
}
.tagline-copy h2 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}
.tagline-copy .lead {
  color: #dbeafe;
  max-width: 560px;
}
.tagline-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}
.tagline-points span {
  border: 1px solid rgba(191, 219, 254, 0.34);
  border-radius: 999px;
  padding: 8px 12px;
  color: #e0f2fe;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
  font-weight: 700;
}
.tagline-link {
  display: inline-block;
  color: #0f172a;
  background: #ffffff;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 800;
  text-decoration: none;
}
.tagline-link:hover {
  color: #0f172a;
  background: #dbeafe;
}
.tagline-illustration {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
}
.scan-orbit {
  position: absolute;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(191, 219, 254, 0.26);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.2), transparent 38%),
    conic-gradient(from 80deg, transparent 0 22%, rgba(56, 189, 248, 0.58) 22% 32%, transparent 32% 100%);
}
.report-panel {
  position: relative;
  z-index: 2;
  width: min(330px, 94%);
  border: 1px solid rgba(191, 219, 254, 0.24);
  border-radius: 24px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 26px 60px rgba(2, 6, 23, 0.32);
  backdrop-filter: blur(14px);
}
.report-topbar {
  display: flex;
  gap: 7px;
  margin-bottom: 18px;
}
.report-topbar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #bfdbfe;
}
.report-score {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.34);
}
.report-score strong {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  color: #0f172a;
  background: linear-gradient(135deg, #ffffff, #bae6fd);
  font-size: 2.2rem;
}
.report-score span {
  color: #e0f2fe;
  font-weight: 800;
}
.report-bars {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.report-bars span {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, rgba(255, 255, 255, 0.24));
}
.report-bars span:nth-child(2) { width: 78%; }
.report-bars span:nth-child(3) { width: 58%; }
.secure-badge {
  position: absolute;
  z-index: 3;
  right: 52px;
  bottom: 44px;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  color: #0f172a;
  background: #ffffff;
  box-shadow: 0 18px 38px rgba(2, 6, 23, 0.25);
  font-size: 1.8rem;
  font-weight: 900;
}
.algorithm-section {
  background:
    radial-gradient(circle at 18% 18%, rgba(14, 165, 233, 0.12), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, #eef6ff 100%);
}
.algorithm-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.algorithm-flow::before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: 76px;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #38bdf8, #22c55e);
  border-radius: 999px;
}
.algorithm-step {
  position: relative;
  z-index: 1;
  min-height: 255px;
  padding: 18px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}
.step-number {
  display: inline-block;
  margin-bottom: 12px;
  color: #2563eb;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.step-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  margin-bottom: 18px;
  border: 8px solid #eef6ff;
  border-radius: 22px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 16px 28px rgba(37, 99, 235, 0.2);
}
.step-icon::before,
.step-icon::after {
  content: "";
  position: absolute;
}
.step-icon-crawl::before {
  width: 34px;
  height: 24px;
  border: 4px solid #ffffff;
  border-radius: 8px;
}
.step-icon-crawl::after {
  width: 22px;
  height: 4px;
  bottom: 18px;
  background: #ffffff;
  border-radius: 999px;
}
.step-icon-detect::before {
  width: 34px;
  height: 34px;
  border: 4px solid #ffffff;
  border-radius: 50%;
}
.step-icon-detect::after {
  width: 16px;
  height: 4px;
  right: 14px;
  bottom: 17px;
  background: #ffffff;
  border-radius: 999px;
  transform: rotate(45deg);
}
.step-icon-priority::before {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(#ffffff 0 35%, rgba(255, 255, 255, 0.35) 35% 100%);
}
.step-icon-priority::after {
  width: 5px;
  height: 22px;
  background: #ffffff;
  border-radius: 999px;
  transform: rotate(40deg);
  transform-origin: bottom center;
}
.step-icon-fix::before {
  width: 34px;
  height: 20px;
  border-left: 5px solid #ffffff;
  border-bottom: 5px solid #ffffff;
  transform: rotate(-45deg);
}
.step-icon-fix::after {
  width: 18px;
  height: 18px;
  right: 14px;
  top: 15px;
  border: 4px solid #ffffff;
  border-radius: 50%;
}
.algorithm-step h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}
.algorithm-step p {
  margin: 0;
  color: #475569;
}
.about-hero {
  background:
    radial-gradient(circle at 82% 22%, rgba(56, 189, 248, 0.22), transparent 30%),
    linear-gradient(135deg, #f8fbff 0%, #eaf4ff 55%, #ffffff 100%);
}
.about-hero-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: 44px;
}
.about-copy {
  max-width: 680px;
}
.about-copy h1 {
  margin: 8px 0 16px;
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}
.about-copy p {
  color: #475569;
  font-size: 1.05rem;
}
.about-visual {
  position: relative;
  min-height: 340px;
  display: grid;
  place-items: center;
}
.about-shield {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 160px;
  height: 190px;
  color: #e0f2fe;
  background: linear-gradient(160deg, #38bdf8, #2563eb 58%, #1e3a8a);
  clip-path: polygon(50% 0, 92% 18%, 82% 78%, 50% 100%, 18% 78%, 8% 18%);
  box-shadow: 0 28px 60px rgba(37, 99, 235, 0.34);
  font-size: 4.5rem;
  font-weight: 900;
}
.about-panel {
  position: absolute;
  right: 16px;
  bottom: 32px;
  width: 250px;
  padding: 18px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.12);
}
.about-panel span {
  display: block;
  height: 13px;
  margin: 12px 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #2563eb, #bfdbfe);
}
.about-panel span:nth-child(2) { width: 74%; }
.about-panel span:nth-child(3) { width: 52%; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.about-card,
.value-card {
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.07);
}
.about-card {
  padding: 24px;
}
.about-card h2 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}
.about-card p,
.value-card p {
  margin: 0;
  color: #475569;
}
.about-values {
  background:
    radial-gradient(circle at 16% 16%, rgba(37, 99, 235, 0.1), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}
.value-card {
  padding: 22px;
}
.value-card strong {
  display: inline-block;
  margin-bottom: 10px;
  color: #2563eb;
  font-size: 1.35rem;
}
.contact-hero {
  min-height: 68vh;
  background:
    radial-gradient(circle at 14% 12%, rgba(37, 99, 235, 0.12), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(56, 189, 248, 0.16), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f1f7ff 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.contact-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
}
.contact-card::after {
  content: "";
  position: absolute;
  right: -44px;
  top: -44px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.08);
}
.contact-card h2 {
  margin: 18px 0 8px;
  font-size: 1.2rem;
}
.contact-card p {
  margin: 0;
  color: #475569;
}
.contact-card a {
  color: #2563eb;
  font-weight: 800;
  text-decoration: none;
}
.contact-card a:hover { text-decoration: underline; }
.contact-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}
.contact-icon::before,
.contact-icon::after {
  content: "";
  position: absolute;
}
.contact-icon-email::before {
  width: 30px;
  height: 22px;
  border: 4px solid #ffffff;
  border-radius: 7px;
}
.contact-icon-email::after {
  width: 22px;
  height: 22px;
  border-left: 4px solid #ffffff;
  border-bottom: 4px solid #ffffff;
  transform: translateY(-3px) rotate(-45deg);
}
.contact-icon-phone::before {
  width: 28px;
  height: 34px;
  border-left: 6px solid #ffffff;
  border-bottom: 6px solid #ffffff;
  border-radius: 0 0 0 16px;
  transform: rotate(-32deg);
}
.contact-icon-location::before {
  width: 28px;
  height: 28px;
  border: 4px solid #ffffff;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}
.contact-icon-location::after {
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 50%;
}
.article-listing-page h1,
.article-detail-page h1 {
  margin: 6px 0 12px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.12;
}
.article-intro {
  margin: 0 0 24px;
  max-width: 760px;
  color: #475569;
}
.article-filter-caption {
  margin: 0 0 10px;
  color: #475569;
}
.article-filter-caption a {
  color: #2563eb;
  font-weight: 700;
  text-decoration: none;
}
.article-filter-caption a:hover {
  text-decoration: underline;
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.article-card {
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 20px;
  padding: 20px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}
.article-thumb-wrap {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #f8fbff 0%, #eaf4ff 60%, #dbeafe 100%);
}
.article-thumb {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: contain;
  padding: 18px;
}
.article-card h2 {
  margin: 0 0 8px;
  font-size: 1.26rem;
  line-height: 1.3;
}
.article-card h2 a {
  color: #0f172a;
  text-decoration: none;
}
.article-card h2 a:hover {
  color: #2563eb;
}
.article-meta {
  margin: 0 0 8px;
  color: #64748b;
  font-size: 0.9rem;
}
.article-link {
  font-weight: 700;
  text-decoration: none;
  color: #2563eb;
}
.article-link:hover {
  text-decoration: underline;
}
.article-category-chip {
  display: inline-block;
  margin: 0 0 10px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.82rem;
  font-weight: 700;
}
.article-categories-inline {
  margin-top: 28px;
}
.article-categories-inline h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}
.category-index-link {
  margin-left: 8px;
  color: #2563eb;
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 700;
}
.category-index-link:hover {
  text-decoration: underline;
}
.article-category-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-category-list li {
  margin: 0;
}
.article-category-list li a,
.article-category-list li span {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}
.article-category-list li a:hover {
  background: #dbeafe;
}
.article-category-list li a.is-active {
  border-color: #1d4ed8;
  background: #1d4ed8;
  color: #ffffff;
}
.article-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
}
.article-detail {
  max-width: none;
  margin: 0;
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
}
.article-sidebar {
  position: sticky;
  top: 92px;
  padding: 18px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}
.article-sidebar h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}
.article-sidebar-empty {
  margin: 0;
  color: #64748b;
  font-size: 0.92rem;
}
.category-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.category-index-card {
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 18px;
  background: #ffffff;
  padding: 18px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}
.category-index-card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}
.category-index-card h2 a {
  color: #0f172a;
  text-decoration: none;
}
.category-index-card h2 a:hover {
  color: #2563eb;
}
.category-index-card p {
  margin: 0;
  color: #64748b;
  font-size: 0.92rem;
}
.article-back-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}
.article-back-link:hover {
  text-decoration: underline;
}
.article-detail-thumb {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid #dbeafe;
  background: linear-gradient(135deg, #f8fbff 0%, #eaf4ff 60%, #dbeafe 100%);
  padding: 24px;
  margin-bottom: 12px;
}
.article-tag-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.article-tag-list li {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.86rem;
  font-weight: 700;
}
.article-content p {
  margin: 0 0 14px;
  color: #334155;
}
.article-content .seo-article {
  display: block;
}
.article-content .seo-article header h2 {
  margin: 4px 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1.18;
  color: #0f172a;
}
.article-content .seo-article section {
  margin-bottom: 22px;
}
.article-content .seo-article h2 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  color: #0f172a;
}
.article-content .seo-article h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #1e293b;
}
.article-content .seo-article h4 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  color: #334155;
}
.article-content .seo-article p {
  margin: 0 0 12px;
  line-height: 1.72;
  color: #334155;
}
.article-content .seo-article a {
  color: #2563eb;
  text-decoration: none;
  word-break: break-word;
}
.article-content .seo-article a:hover {
  text-decoration: underline;
}
.article-content .seo-article figure {
  margin: 0 0 18px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #dbeafe;
  background: #f8fbff;
}
.article-content .seo-article figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.article-content .seo-article figcaption {
  padding: 10px 12px;
  font-size: 0.86rem;
  color: #64748b;
  background: #f8fbff;
}
.related-articles {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid #e2e8f0;
}
.related-articles h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}
.related-articles ul {
  margin: 0;
  padding-left: 18px;
}
.related-articles li {
  margin-bottom: 8px;
}
.related-articles a {
  color: #2563eb;
  text-decoration: none;
}
.related-articles a:hover {
  text-decoration: underline;
}
.homepage-article-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.homepage-article-section .article-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  line-height: 1.3;
}
.homepage-article-section .article-card h3 a {
  color: #0f172a;
  text-decoration: none;
}
.homepage-article-section .article-card h3 a:hover {
  color: #2563eb;
}
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 18px 0;
  text-align: center;
}
@media (max-width: 860px) {
  .nav-wrap { flex-direction: column; padding: 10px 0; }
  .menu { flex-wrap: wrap; justify-content: center; }
  .header-actions { flex-direction: column; }
  .grid-3,
  .tagline-wrap,
  .algorithm-flow,
  .about-hero-wrap,
  .about-grid,
  .contact-grid,
  .article-grid { grid-template-columns: 1fr; }
  .article-detail-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .category-index-grid { grid-template-columns: 1fr; }
  .about-visual { min-height: 260px; }
  .about-panel { right: 0; }
  .algorithm-flow::before {
    left: 34px;
    right: auto;
    top: 32px;
    bottom: 32px;
    width: 3px;
    height: auto;
  }
  .algorithm-step { min-height: auto; padding-left: 92px; }
  .algorithm-step .step-icon {
    position: absolute;
    left: 16px;
    top: 46px;
    width: 58px;
    height: 58px;
    border-radius: 18px;
  }
  .tagline-illustration { min-height: 260px; }
  .secure-badge { right: 24px; bottom: 22px; }
  .slides { min-height: 520px; }
  .promo-banner {
    display: block;
    min-height: 520px;
    padding: 0 16px;
  }
  .promo-banner .slide-overlay {
    position: absolute;
    top: 22px;
    left: 16px;
    right: 16px;
    width: 100%;
    padding: 16px;
    justify-content: flex-start;
  }
  .promo-light .slide-overlay { color: #0f172a; }
  .slide-overlay h1,
  .slide-overlay h2 { font-size: 1.2rem; }
  .slide-overlay p { font-size: 0.9rem; margin-bottom: 10px; }
  .slide-cta { padding: 8px 12px; font-size: 0.9rem; }
  .dashboard-card,
  .shield-graphic,
  .laptop { transform: none; }
  .promo-banner .hero-visual {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 70px;
    min-height: 230px;
  }
  .dashboard-card { right: 16px; left: 16px; top: 0; width: auto; }
  .shield-graphic { display: none; }
  .feature-strip,
  .stats-strip { left: 14px; right: 14px; bottom: 12px; gap: 6px; }
  .laptop { right: 18px; left: 18px; top: 0; width: auto; }
  .laptop-screen { min-height: 180px; }
  .laptop-base { width: 84%; margin-left: auto; margin-right: auto; }
}