:root {
  --bg: #06100f;
  --bg-2: #0b1d1a;
  --card: rgba(255, 255, 255, .065);
  --card-strong: rgba(255, 255, 255, .1);
  --line: rgba(255, 255, 255, .14);
  --line-green: rgba(164, 245, 43, .28);
  --text: #f7fff7;
  --muted: #b7c8c1;
  --soft: #dff5ee;
  --green: #a4f52b;
  --cyan: #31e6c8;
  --blue: #66a6ff;
  --purple: #bf8cff;
  --orange: #ffca6a;
  --danger: #ff6d8d;
  --shadow: 0 24px 80px rgba(0, 0, 0, .38);
  --radius-lg: 34px;
  --radius-md: 22px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 75% 0%, rgba(164, 245, 43, .2), transparent 34rem),
    radial-gradient(circle at 15% 20%, rgba(49, 230, 200, .13), transparent 30rem),
    linear-gradient(135deg, var(--bg), var(--bg-2) 58%, #102a24);
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
  z-index: -2;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image: radial-gradient(rgba(255,255,255,.18) .8px, transparent .8px);
  background-size: 5px 5px;
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(6, 16, 15, .76);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.04em;
  font-size: 1.2rem;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: #071510;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  font-family: "JetBrains Mono", monospace;
  box-shadow: 0 0 28px rgba(164, 245, 43, .28);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-actions a {
  color: var(--muted);
  padding: 10px 13px;
  border-radius: 999px;
  transition: .2s ease;
}

.nav-actions a:hover {
  color: var(--text);
  background: rgba(255,255,255,.08);
}

.hero {
  padding: 86px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 780px;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: .92;
  letter-spacing: -.075em;
}

h1 em,
h2 em {
  color: var(--green);
  font-style: normal;
}

.hero-text {
  max-width: 760px;
  color: var(--soft);
  font-size: clamp(1.05rem, 1.4vw, 1.24rem);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 30px 0 28px;
}

.primary-btn,
.ghost-btn,
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  min-height: 52px;
  padding: 0 22px;
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.primary-btn {
  color: #08140f;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 18px 46px rgba(49, 230, 200, .18);
}

.ghost-btn {
  border: 1px solid var(--line);
  color: var(--soft);
  background: rgba(255,255,255,.055);
}

.primary-btn:hover,
.ghost-btn:hover,
.card-link:hover {
  transform: translateY(-2px);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 640px;
}

.trust-row div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.055);
}

.trust-row strong {
  display: block;
  color: var(--green);
  font-size: 2rem;
  line-height: 1;
}

.trust-row span {
  color: var(--muted);
  font-size: .95rem;
}

.hero-panel {
  border: 1px solid var(--line-green);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.045)),
    rgba(8, 22, 19, .72);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.panel-top span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--danger);
}

.panel-top span:nth-child(2) {
  background: var(--orange);
}

.panel-top span:nth-child(3) {
  background: var(--green);
}

.panel-top small {
  margin-left: auto;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

.hero-panel pre {
  margin: 0;
  padding: 26px;
  overflow: auto;
  color: #eaffdf;
  font: 600 .96rem/1.76 "JetBrains Mono", monospace;
}

.pulse-card {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 0 22px 22px;
  padding: 18px;
  border: 1px solid rgba(49,230,200,.24);
  border-radius: 22px;
  background: rgba(49,230,200,.09);
}

.pulse {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 8px rgba(164,245,43,.12);
}

.pulse-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.intro-section,
.exam-section,
.compare-section,
.growth-section,
.faq-section {
  padding: 54px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 26px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading.compact {
  display: block;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
}

.intro-grid,
.steps,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid article,
.steps article,
.faq-grid details,
.growth-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: 0 18px 58px rgba(0,0,0,.22);
}

.intro-grid article,
.steps article {
  padding: 26px;
}

.intro-grid h3,
.steps h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
}

.intro-grid p,
.steps p,
.growth-card p,
.faq-grid p {
  color: var(--muted);
  line-height: 1.72;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) 1.1fr;
  gap: 16px;
  align-items: center;
  margin: 24px 0 10px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.07);
}

.search-box span {
  color: var(--green);
  font-size: 1.4rem;
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

.search-box input::placeholder {
  color: #8ea39b;
}

.filters {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.filter-btn {
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  background: rgba(255,255,255,.05);
}

.filter-btn.active,
.filter-btn:hover {
  color: #07140f;
  border-color: transparent;
  background: var(--green);
}

.result-count {
  margin: 0 0 18px;
  color: var(--muted);
}

.exam-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.exam-card {
  position: relative;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    radial-gradient(circle at 85% 8%, rgba(164,245,43,.13), transparent 15rem),
    var(--card);
  box-shadow: 0 22px 70px rgba(0,0,0,.24);
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}

.exam-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -45% 20%;
  height: 170px;
  background: linear-gradient(90deg, transparent, rgba(49,230,200,.2), transparent);
  transform: rotate(-8deg);
  pointer-events: none;
}

.exam-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-green);
  background:
    radial-gradient(circle at 85% 8%, rgba(164,245,43,.18), transparent 15rem),
    var(--card-strong);
}

.exam-card.featured {
  border-color: rgba(164,245,43,.38);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.badge,
.level,
.chips span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 800;
}

.badge {
  color: #07140f;
  background: var(--green);
}

.badge.teal {
  background: var(--cyan);
}

.badge.blue {
  background: var(--blue);
}

.badge.purple {
  color: white;
  background: var(--purple);
}

.level,
.chips span {
  color: var(--soft);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.055);
}

.exam-card h3 {
  margin-bottom: 12px;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.exam-card p {
  color: var(--muted);
  line-height: 1.65;
}

.card-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: auto 0 16px;
}

.card-meta div {
  padding: 14px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 17px;
  background: rgba(0,0,0,.14);
}

.card-meta dt {
  color: var(--muted);
  font-size: .78rem;
}

.card-meta dd {
  margin: 3px 0 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.card-link {
  position: relative;
  z-index: 1;
  width: fit-content;
  color: #07140f;
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.exam-card.is-hidden {
  display: none;
}

.steps article span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 16px;
  color: #07140f;
  background: var(--green);
  font-weight: 900;
}

.growth-card {
  padding: clamp(26px, 4vw, 44px);
}

.growth-card h2 {
  max-width: 920px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.notice {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding: 18px;
  border: 1px solid rgba(255,202,106,.3);
  border-radius: 18px;
  color: #fff1cc;
  background: rgba(255,202,106,.08);
}

.notice strong {
  color: var(--orange);
}

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

.faq-grid details {
  padding: 20px 22px;
}

.faq-grid summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-grid p {
  margin: 14px 0 0;
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.18);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0;
}

.footer-grid p {
  margin: 12px 0 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-content: center;
  justify-content: flex-end;
}

.footer-links a {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
  border-color: var(--line-green);
}

@media (max-width: 980px) {
  .hero-grid,
  .section-heading,
  .toolbar {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-width: 0;
  }

  .filters {
    justify-content: flex-start;
  }

  .intro-grid,
  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-actions a {
    padding: 8px 10px;
  }

  .hero {
    padding-top: 54px;
  }

  .trust-row,
  .exam-grid,
  .card-meta,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .exam-card {
    min-height: auto;
    padding: 22px;
    border-radius: 24px;
  }

  .footer-grid,
  .notice {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

/* CyberFlow low-visibility scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(73, 96, 89, .28) transparent;
}
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background-color: rgba(73, 96, 89, .26);
  border: 2px solid transparent;
  background-clip: content-box;
  border-radius: 999px;
}
*::-webkit-scrollbar-thumb:hover {
  background-color: rgba(117, 150, 140, .38);
}
html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track {
  background: var(--bg);
}
html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
  background-color: rgba(73, 96, 89, .24);
  border-color: var(--bg);
}