:root {
  --dm-pink: #ff3ea5;
  --dm-cyan: #39d5ff;
  --dm-navy: #030b24;
  --dm-black: #010510;
  --dm-white: #f5f7fa;
}

.discovery-page {
  background: var(--dm-black);
}

.discovery-page .topbar {
  background: rgba(1, 5, 16, 0.9);
  border-bottom-color: rgba(57, 213, 255, 0.2);
}

.discovery-hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid rgba(57, 213, 255, 0.16);
  background: var(--dm-navy);
}

.hero-backdrop,
.hero-grid-motion,
.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-backdrop {
  z-index: -4;
  background:
    linear-gradient(90deg, rgba(1, 5, 16, 0.98), rgba(1, 5, 16, 0.82) 48%, rgba(1, 5, 16, 0.42)),
    url("../img/cyber-hero.png") center / cover no-repeat;
  filter: saturate(1.3) contrast(1.12);
  animation: backdropDrift 18s ease-in-out infinite alternate;
}

.blog-backdrop {
  filter: saturate(1.05) contrast(1.14) hue-rotate(8deg);
  transform: scaleX(-1);
  animation: blogBackdropDrift 18s ease-in-out infinite alternate;
}

.hero-grid-motion {
  z-index: -3;
  background:
    linear-gradient(rgba(57, 213, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 213, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, #000, rgba(0, 0, 0, 0.25));
  animation: gridTravel 14s linear infinite;
}

.hero-glow {
  z-index: -2;
  opacity: 0.7;
}

.hero-glow-pink {
  background: radial-gradient(circle at 24% 42%, rgba(255, 62, 165, 0.2), transparent 25rem);
}

.hero-glow-cyan {
  background: radial-gradient(circle at 78% 52%, rgba(57, 213, 255, 0.17), transparent 28rem);
}

.discovery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.94fr);
  align-items: center;
  gap: clamp(45px, 6vw, 86px);
  padding: 88px 0 100px;
}

.discovery-copy {
  position: relative;
  z-index: 3;
}

.hero-kicker {
  color: var(--dm-cyan);
  font: 750 0.78rem/1.3 Consolas, monospace;
  text-transform: uppercase;
}

.discovery-copy h1 {
  max-width: 760px;
  margin: 16px 0 22px;
  font-size: clamp(3.25rem, 5.8vw, 6rem);
  line-height: 0.98;
  animation: headingReveal 750ms ease both;
}

.discovery-copy > p {
  max-width: 690px;
  margin: 0;
  color: #b9c7d6;
  font-size: 1.08rem;
  line-height: 1.75;
  animation: subtitleReveal 700ms 130ms ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 28px;
}

.discovery-btn {
  min-height: 47px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(57, 213, 255, 0.35);
  border-radius: 5px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.discovery-btn:hover {
  transform: translateY(-2px);
  border-color: var(--dm-cyan);
  box-shadow: 0 0 28px rgba(57, 213, 255, 0.16);
}

.discovery-btn.primary {
  border-color: transparent;
  background: linear-gradient(125deg, var(--dm-pink), #8644ef 49%, var(--dm-cyan));
  box-shadow: 0 0 25px rgba(255, 62, 165, 0.2);
  animation: buttonPulse 3s ease-in-out infinite;
}

.discovery-btn.ghost {
  background: rgba(1, 5, 16, 0.5);
  backdrop-filter: blur(10px);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.hero-badges span {
  padding: 7px 10px;
  border: 1px solid rgba(57, 213, 255, 0.22);
  background: rgba(57, 213, 255, 0.055);
  color: #c5eaf2;
  font: 0.72rem Consolas, monospace;
}

.course-visual,
.research-visual {
  position: relative;
  min-height: 500px;
  animation: visualReveal 850ms 180ms ease both;
}

.visual-frame,
.research-window {
  position: absolute;
  inset: 45px 10px 42px 40px;
  overflow: hidden;
  border: 1px solid rgba(57, 213, 255, 0.32);
  background: rgba(2, 7, 20, 0.88);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.5), 0 0 38px rgba(57, 213, 255, 0.1);
  backdrop-filter: blur(12px);
}

.frame-top {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 15px;
  border-bottom: 1px solid rgba(57, 213, 255, 0.18);
}

.frame-top i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff6174;
}

.frame-top i:nth-child(2) { background: #ffd166; }
.frame-top i:nth-child(3) { background: #43ff9c; }

.frame-top code {
  margin-left: auto;
  color: #8296ad;
  font-size: 0.68rem;
}

.frame-body {
  padding: 24px;
}

.terminal-stream {
  display: grid;
  gap: 9px;
  padding: 17px;
  border-left: 2px solid var(--dm-cyan);
  background: #01050e;
  color: var(--dm-cyan);
  font: 0.76rem/1.5 Consolas, monospace;
}

.terminal-stream span:nth-child(2),
.terminal-stream span:nth-child(3) { color: #d0d8e2; }
.terminal-stream span:nth-child(4) { color: #43ff9c; }

.type-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  margin-left: 5px;
  background: #43ff9c;
  vertical-align: middle;
  animation: cursorBlink 0.8s steps(1) infinite;
}

.lab-map {
  position: relative;
  min-height: 210px;
  margin-top: 20px;
}

.lab-node {
  position: absolute;
  width: 100px;
  min-height: 75px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(57, 213, 255, 0.35);
  background: rgba(6, 19, 40, 0.9);
  box-shadow: 0 0 22px rgba(57, 213, 255, 0.09);
  animation: nodeFloat 4s ease-in-out infinite;
}

.lab-node b { color: var(--dm-cyan); font: 800 0.9rem Consolas, monospace; }
.lab-node small { margin-top: 5px; color: #8ea2b6; }
.lab-node.kali { left: 0; top: 65px; }
.lab-node.web { left: 50%; top: 5px; transform: translateX(-50%); animation-delay: 0.5s; }
.lab-node.blue { right: 0; top: 90px; animation-delay: 1s; }

.lab-link {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dm-pink), var(--dm-cyan), transparent);
  transform-origin: left;
  opacity: 0.65;
}

.lab-link.one { left: 84px; top: 88px; width: 150px; transform: rotate(-25deg); }
.lab-link.two { left: 53%; top: 76px; width: 155px; transform: rotate(28deg); }

.floating-card {
  position: absolute;
  z-index: 4;
  min-width: 145px;
  padding: 14px;
  border: 1px solid rgba(255, 62, 165, 0.34);
  background: rgba(3, 11, 36, 0.9);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.42), 0 0 24px rgba(255, 62, 165, 0.08);
  backdrop-filter: blur(12px);
  animation: cardFloat 4.5s ease-in-out infinite;
}

.floating-card small,
.floating-card span {
  display: block;
  color: #8296ad;
  font-size: 0.66rem;
}

.floating-card strong {
  display: block;
  margin: 6px 0;
}

.card-one,
.article-one { left: 0; top: 5px; }
.card-two,
.article-two { right: -12px; top: 135px; animation-delay: 0.7s; }
.card-three,
.article-three { left: 18px; bottom: 0; animation-delay: 1.4s; }

.typing-line {
  min-height: 28px;
  margin-top: 20px;
  color: var(--dm-pink);
  font: 750 0.95rem Consolas, monospace;
}

.typing-line i {
  display: inline-block;
  width: 8px;
  height: 17px;
  margin-left: 5px;
  background: var(--dm-pink);
  vertical-align: middle;
  animation: cursorBlink 0.8s steps(1) infinite;
}

.research-window {
  inset: 42px 20px 48px 32px;
}

.research-body {
  min-height: 360px;
  display: grid;
  grid-template-columns: 115px 1fr;
}

.research-nav {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px 12px;
  border-right: 1px solid rgba(57, 213, 255, 0.14);
  background: rgba(1, 5, 16, 0.56);
}

.research-nav span {
  padding: 9px;
  color: #788ba2;
  font-size: 0.68rem;
}

.research-nav span.active {
  color: var(--dm-cyan);
  background: rgba(57, 213, 255, 0.08);
}

.research-canvas {
  padding: 24px;
}

.threat-chart {
  height: 145px;
  display: flex;
  align-items: end;
  gap: 8px;
  padding: 15px 12px 0;
  border-bottom: 1px solid rgba(57, 213, 255, 0.2);
  background:
    linear-gradient(rgba(57, 213, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 213, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

.threat-chart span {
  flex: 1;
  background: linear-gradient(var(--dm-cyan), rgba(57, 213, 255, 0.12));
  border-top: 2px solid var(--dm-pink);
  animation: chartGrow 900ms ease both;
}

.note-lines {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.note-lines b {
  color: #d8e4ef;
}

.note-lines span {
  height: 7px;
  width: 100%;
  background: linear-gradient(90deg, rgba(57, 213, 255, 0.26), transparent);
}

.note-lines span:nth-of-type(2) { width: 82%; }
.note-lines span:nth-of-type(3) { width: 66%; }
.note-lines small { color: var(--dm-pink); font-family: Consolas, monospace; }

.catalog-section {
  padding-top: 78px;
}

.catalog-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 34px;
  margin-bottom: 26px;
}

.catalog-intro h2 {
  margin-top: 9px;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
}

.catalog-intro p {
  max-width: 580px;
  margin: 0;
  color: #8fa1b5;
  line-height: 1.7;
}

.discovery-toolbar {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(57, 213, 255, 0.18);
  background: rgba(3, 11, 36, 0.5);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.glow-toolbar:focus-within {
  border-color: var(--dm-cyan);
  box-shadow: 0 0 28px rgba(57, 213, 255, 0.12);
}

.stagger-grid > .card {
  opacity: 0;
  animation: cardReveal 600ms ease forwards;
}

.stagger-grid > .card:nth-child(2) { animation-delay: 100ms; }
.stagger-grid > .card:nth-child(3) { animation-delay: 200ms; }
.stagger-grid > .card:nth-child(4) { animation-delay: 300ms; }
.stagger-grid > .card:nth-child(5) { animation-delay: 400ms; }
.stagger-grid > .card:nth-child(6) { animation-delay: 500ms; }

@keyframes backdropDrift {
  to { transform: scale(1.035) translateX(-12px); }
}

@keyframes blogBackdropDrift {
  from { transform: scaleX(-1) scale(1.02) translateX(0); }
  to { transform: scaleX(-1) scale(1.055) translateX(-12px); }
}

@keyframes gridTravel {
  to { background-position: 104px 52px; }
}

@keyframes headingReveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes subtitleReveal {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes visualReveal {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes buttonPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 62, 165, 0.18); }
  50% { box-shadow: 0 0 35px rgba(255, 62, 165, 0.32), 0 0 18px rgba(57, 213, 255, 0.12); }
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes nodeFloat {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -7px; }
}

@keyframes cursorBlink {
  50% { opacity: 0; }
}

@keyframes chartGrow {
  from { height: 0; }
}

@keyframes cardReveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1000px) {
  .discovery-layout {
    grid-template-columns: 1fr;
  }

  .course-visual,
  .research-visual {
    width: min(660px, 100%);
  }
}

@media (max-width: 680px) {
  .discovery-hero {
    min-height: auto;
  }

  .discovery-layout {
    padding: 64px 0 82px;
  }

  .discovery-copy h1 {
    font-size: 3.2rem;
  }

  .course-visual,
  .research-visual {
    min-height: 440px;
  }

  .visual-frame,
  .research-window {
    inset: 42px 0 45px;
  }

  .floating-card {
    min-width: 120px;
    padding: 11px;
  }

  .card-one,
  .article-one { left: 6px; }
  .card-two,
  .article-two { right: -4px; }
  .card-three,
  .article-three { left: 10px; }

  .research-body {
    grid-template-columns: 1fr;
  }

  .research-nav {
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(57, 213, 255, 0.14);
  }

  .catalog-intro {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions .discovery-btn {
    width: 100%;
  }
}

@media (max-width: 460px) {
  .discovery-copy h1 {
    font-size: 2.75rem;
  }

  .course-visual,
  .research-visual {
    min-height: 405px;
  }

  .frame-body,
  .research-canvas {
    padding: 16px;
  }

  .lab-node {
    width: 82px;
    min-height: 66px;
  }

  .lab-link.one { left: 68px; width: 115px; }
  .lab-link.two { width: 118px; }

  .floating-card {
    font-size: 0.76rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}