:root {
  --bg: #07111f;
  --panel: #0d1b2f;
  --panel-soft: #122640;
  --text: #eef6ff;
  --muted: #a8bed8;
  --gold: #f7c948;
  --cyan: #5eead4;
  --blue: #60a5fa;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 24px 80px rgba(0,0,0,0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(96,165,250,0.28), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(247,201,72,0.18), transparent 25%),
    linear-gradient(135deg, #06101e, #081a2d 45%, #050b14);
  color: var(--text);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 300px;
  padding: 28px 22px;
  background: rgba(5, 13, 25, 0.88);
  backdrop-filter: blur(18px);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.brand {
  margin-bottom: 30px;
}

.logo {
  width: 78px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: #ffffff;
  overflow: hidden;
  border: 2px solid rgba(247,201,72,0.65);
  box-shadow:
    0 0 22px rgba(247,201,72,0.28),
    0 14px 35px rgba(0,0,0,0.28);
}

.logo img {
  width: 82%;
  height: 82%;
  object-fit: contain;
  display: block;
}

.brand h2 {
  margin: 18px 0 6px;
  font-size: 22px;
}

.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

nav {
  display: grid;
  gap: 10px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: 0.25s ease;
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.07);
  border-color: var(--border);
  transform: translateX(4px);
}

.content {
  margin-left: 300px;
  padding: 42px;
  max-width: 1320px;
}

.hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px;
  border: 1px solid var(--border);
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(18,38,64,0.94), rgba(7,17,31,0.88)),
    radial-gradient(circle at right top, rgba(94,234,212,0.2), transparent 30%);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247,201,72,0.22), transparent 65%);
}

.badge {
  width: fit-content;
  color: #07111f;
  background: linear-gradient(135deg, var(--gold), #ffe08a);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 24px;
}

h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.95;
  letter-spacing: -3px;
}

.subtitle {
  max-width: 850px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  padding: 15px 22px;
  border-radius: 16px;
  font-weight: 800;
  transition: 0.25s ease;
}

.btn.primary {
  color: #06101e;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}

.btn.secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
}

.btn:hover {
  transform: translateY(-3px);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 52px;
}

.metrics div {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
}

.metrics strong {
  display: block;
  font-size: 30px;
  color: var(--gold);
}

.metrics span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.panel,
.framework,
.study {
  margin-top: 34px;
  padding: 46px;
  border-radius: 32px;
  background: rgba(13, 27, 47, 0.86);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -1px;
}

.panel p,
.framework p,
.study p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.section-intro {
  max-width: 850px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.pillar {
  padding: 26px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
  border: 1px solid var(--border);
  min-height: 240px;
}

.pillar span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(247,201,72,0.15);
  color: var(--gold);
  font-weight: 900;
  margin-bottom: 16px;
}

.pillar h3,
.card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.study {
  position: relative;
  overflow: hidden;
}

.study::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: linear-gradient(var(--gold), var(--cyan), var(--blue));
}

.study-tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--gold);
  background: rgba(247,201,72,0.12);
  border: 1px solid rgba(247,201,72,0.25);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--border);
}

.card a,
.package-list a {
  color: var(--cyan);
  font-weight: 800;
  text-decoration: none;
}

.card a:hover,
.package-list a:hover {
  text-decoration: underline;
}

.package-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.package-list a {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255,255,255,0.055);
  border: 1px solid var(--border);
}

footer {
  padding: 34px 0 10px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1100px) {
  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .content {
    margin-left: 0;
    padding: 22px;
  }

  nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 42px 28px;
  }

  .metrics,
  .pillar-grid,
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .sidebar {
    padding: 22px 16px;
  }

  .logo {
    width: 66px;
    height: 66px;
    border-radius: 18px;
  }

  nav,
  .metrics,
  .pillar-grid,
  .cards,
  .package-list {
    grid-template-columns: 1fr;
  }

  h1 {
    letter-spacing: -1px;
  }

  .subtitle {
    font-size: 18px;
  }

  .panel,
  .framework,
  .study {
    padding: 30px 22px;
  }
}