:root {
  --bg-top: #fff3f4;
  --bg-mid: #ffd8dd;
  --bg-bottom: #f6bfd7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.86);
  --surface-border: rgba(188, 88, 129, 0.18);
  --text-main: #4a1f37;
  --text-soft: #7b4a62;
  --accent: #ff6f98;
  --accent-strong: #d44c78;
  --accent-soft: #fff0f6;
  --shadow: 0 24px 60px rgba(124, 54, 89, 0.16);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: 1180px;
  --font-main: "Trebuchet MS", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-main);
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 48%, var(--bg-bottom) 100%);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

p,
li {
  line-height: 1.72;
}

.sky-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.58), transparent 20%),
    radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.44), transparent 18%),
    radial-gradient(circle at 50% 0%, rgba(255, 219, 228, 0.55), transparent 26%);
}

.page-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  margin-bottom: 28px;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: rgba(255, 247, 250, 0.76);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  flex-shrink: 0;
}

.play-button,
.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.play-button,
.primary-link {
  color: #fffafc;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 16px 32px rgba(212, 76, 120, 0.28);
}

.secondary-link {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(212, 76, 120, 0.18);
}

.play-button:hover,
.primary-link:hover,
.secondary-link:hover {
  transform: translateY(-2px);
}

.hero,
.content-card,
.accordion-card {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 36px;
  border-radius: var(--radius-xl);
}

.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.75);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
}

.hero-lead {
  margin: 0 0 24px;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.search-tags li {
  padding: 10px 14px;
  border: 1px solid rgba(212, 76, 120, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--text-soft);
}

.hero-media img {
  width: 100%;
  border-radius: 28px;
  box-shadow: 0 26px 50px rgba(170, 77, 112, 0.24);
}

.accordion-card,
.content-card {
  margin-top: 24px;
  padding: 8px;
  border-radius: var(--radius-lg);
}

.content-card {
  padding: 32px;
}

.content-card h2 {
  margin: 0 0 18px;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
}

.content-card h3 {
  margin: 0 0 12px;
}

.accordion-card details,
.faq-list details {
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.accordion-card > details {
  padding: 18px 20px 20px;
}

.accordion-card summary,
.faq-list summary {
  position: relative;
  padding-right: 32px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.accordion-card summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.accordion-card summary::after,
.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  color: var(--accent-strong);
  font-size: 1.5rem;
  line-height: 1;
}

.accordion-card details[open] > summary::after,
.faq-list details[open] > summary::after {
  content: "−";
}

.toc {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.toc a {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 240, 246, 0.9);
  color: var(--accent-strong);
  font-weight: 700;
}

.keyword-list,
.feature-list,
.steps-list {
  padding-left: 20px;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(188, 88, 129, 0.14);
  text-align: left;
}

th {
  color: var(--accent-strong);
  background: rgba(255, 240, 246, 0.9);
}

tbody tr:last-child td {
  border-bottom: 0;
}

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

.review-card {
  padding: 22px;
  border: 1px solid rgba(188, 88, 129, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
}

.review-card h3 {
  font-size: 1.1rem;
}

.rating {
  margin-top: 18px;
  color: var(--text-soft);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list p {
  margin: 14px 0 0;
  color: var(--text-soft);
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding-top: 16px;
  }

  .site-header {
    top: 10px;
    padding: 12px;
    border-radius: 28px;
  }

  .play-button,
  .primary-link,
  .secondary-link {
    min-height: 48px;
    padding: 0 18px;
  }

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

  .accordion-card > details,
  .faq-list details {
    padding: 16px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.8rem);
  }

  table {
    min-width: 100%;
  }
}