:root {
  --primary: #00adb5;
  --primary-dark: #028d8f;
  --secondary: #1a1a2e;
  --dark: #0f2027;
  --panel: rgba(26, 26, 46, 0.86);
  --panel-soft: rgba(238, 238, 238, 0.06);
  --light: #eeeeee;
  --text: #e6f1ff;
  --muted: #a7b4c8;
  --line: rgba(0, 173, 181, 0.28);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Poppins", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 16%, rgba(0, 173, 181, 0.18), transparent 30%),
    linear-gradient(135deg, #0f2027, #203a43 48%, #1a1a2e);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 42px;
}

.brand {
  color: var(--primary);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.back-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 16px;
  background: rgba(0, 173, 181, 0.08);
  color: var(--light);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.back-link:hover,
.primary-link:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: rgba(0, 173, 181, 0.18);
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  align-items: stretch;
  gap: 24px;
  margin-bottom: 28px;
}

.hero-card,
.score-card,
.content-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(26, 26, 46, 0.94), rgba(15, 32, 39, 0.9));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.26);
}

.hero-card::before,
.score-card::before,
.content-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(0, 173, 181, 0.09), transparent 45%);
}

.hero-card {
  padding: 42px;
}

.skill-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 14px;
  background: rgba(0, 173, 181, 0.13);
  color: var(--primary);
  font-size: 1.8rem;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin-top: 8px;
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1.08;
}

.lead {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tag {
  border: 1px solid rgba(0, 173, 181, 0.26);
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(238, 238, 238, 0.06);
  color: var(--light);
  font-size: 0.9rem;
}

.score-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.score-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.score-value {
  color: var(--primary);
  font-size: 2.4rem;
  font-weight: 800;
}

.rating {
  display: flex;
  gap: 6px;
  color: #ffd166;
  font-size: 1.1rem;
}

.meter {
  width: 100%;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(238, 238, 238, 0.1);
}

.meter span {
  display: block;
  width: var(--level);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), #79e7d6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s ease;
}

.meter.is-visible span {
  transform: scaleX(1);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.content-card {
  padding: 30px;
}

.content-card.wide {
  grid-column: 1 / -1;
}

h2 {
  position: relative;
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 1.35rem;
}

.skill-list {
  display: grid;
  gap: 12px;
  list-style: none;
}

.skill-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted);
}

.skill-list i {
  width: 22px;
  margin-top: 5px;
  color: var(--primary);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.highlight {
  border: 1px solid rgba(0, 173, 181, 0.22);
  border-radius: 12px;
  padding: 16px;
  background: var(--panel-soft);
}

.highlight strong {
  display: block;
  margin-bottom: 6px;
  color: var(--light);
}

.highlight span {
  color: var(--muted);
  font-size: 0.92rem;
}

.video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 12px;
  background: #000;
}

.footer-note {
  margin-top: 28px;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .hero,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    padding: 30px;
  }

  .highlight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .top-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-shell {
    width: min(100% - 22px, 1120px);
    padding-top: 22px;
  }

  .hero-card,
  .score-card,
  .content-card {
    border-radius: 12px;
  }

  .hero-card,
  .score-card,
  .content-card {
    padding: 22px;
  }
}