:root {
  color-scheme: light;
  --font-sans: Inter, Inter-Fallback, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: Poppins, Poppins-Fallback, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg: #fbfdff;
  --surface: #ffffff;
  --surface-soft: #f3f8ff;
  --ink: #1c2140;
  --ink-strong: #16002f;
  --muted: #5e6685;
  --brand: #1267ff;
  --brand-dark: #0b3fb5;
  --blue-soft: #e9f3ff;
  --line: #dbe6f5;
  --shadow: 0 18px 45px rgba(31, 76, 140, 0.12);
  --radius: 20px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(18, 103, 255, 0.12), transparent 26rem),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.navbar,
.section,
.logo-strip,
.footer {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.navbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  gap: 10px;
  color: var(--ink-strong);
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 1.25rem;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  font-size: 0.78rem;
  background: var(--brand);
}

.nav-menu {
  margin-left: auto;
  display: flex;
  font-family: var(--font-display);
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-menu a:hover,
.text-link,
.footer a:hover {
  color: var(--brand);
}

.nav-cta,
.btn {
  display: inline-flex;
  font-family: var(--font-display);
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta,
.btn-primary {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 12px 28px rgba(18, 103, 255, 0.18);
}

.btn-secondary {
  color: var(--brand-dark);
  background: #fff;
  border-color: var(--line);
}

.nav-cta:hover,
.btn:hover,
.feature-card:hover,
.step-card:hover,
.community-card:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section {
  padding: 92px 0;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-display);
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  font-family: var(--font-display);
  letter-spacing: -0.055em;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 7vw, 6.4rem);
  line-height: 0.98;
}

.hero-title {
  font-weight: 800;
  letter-spacing: -0.07em;
  text-wrap: balance;
}

.hero-title span {
  display: block;
}

.hero-title span:last-child {
  width: fit-content;
  padding-right: 0.08em;
  background: linear-gradient(90deg, var(--ink-strong) 0%, var(--brand) 56%, #4da3ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.15rem, 4.3vw, 4.2rem);
  line-height: 1;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.hero-text,
.section-heading p,
.split-copy p,
.simple-panel p,
.contact-copy p,
.feature-card p,
.check-list span {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 700px;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.product-card,
.feature-card,
.check-list,
.simple-panel,
.support-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.product-card {
  padding: 20px;
}

.product-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--ink-strong);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #1cc88a;
}

.player-preview {
  min-height: 230px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, #dcecff, #f7fbff 42%, #bcdcff);
}

.play-button {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 16px 35px rgba(18, 103, 255, 0.25);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.metric-grid div {
  padding: 14px;
  border-radius: 14px;
  background: var(--surface-soft);
}

.metric-grid strong,
.metric-grid span,
.check-list strong,
.check-list span {
  display: block;
}

.metric-grid strong,
.check-list strong {
  color: var(--ink-strong);
  font-family: var(--font-display);
}

.metric-grid span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
}

.logo-strip {
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  border-block: 1px solid var(--line);
}

.logo-strip span,
.tag-list li,
.feature-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-weight: 800;
}

.logo-strip span,
.tag-list li {
  padding: 9px 14px;
}

.section-heading {
  max-width: 760px;
}

.tag-list,
.feature-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-tab {
  padding: 10px 14px;
  font-family: var(--font-display);
  cursor: pointer;
}

.feature-tab.active,
.feature-tab:hover {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.feature-tabs {
  margin-top: 30px;
}

.feature-card,
.step-card,
.community-card {
  padding: 24px;
  transition: transform 180ms ease;
}

.feature-icon {
  display: inline-flex;
  font-family: var(--font-display);
  margin-bottom: 34px;
  color: var(--brand);
  font-size: 0.86rem;
  font-weight: 900;
}


.detail-hero {
  padding-bottom: 40px;
}

.detail-title {
  max-width: 900px;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 1;
}

.detail-grid {
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.detail-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.detail-number {
  display: inline-flex;
  margin-bottom: 32px;
  color: var(--brand);
  font-family: var(--font-display);
  font-weight: 900;
}

.detail-card p {
  color: var(--muted);
  line-height: 1.7;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.detail-list li::marker {
  color: var(--brand);
}

.split-section,
.contact-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: start;
}

.check-list {
  padding: 12px;
  box-shadow: none;
}

.check-list div {
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.check-list div:last-child {
  border-bottom: 0;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  font-weight: 900;
}

.simple-panel {
  margin-top: 28px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 30px;
  align-items: start;
}

.tag-list {
  margin: 0;
  padding: 0;
  list-style: none;
}


.steps-grid,
.community-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.step-card,
.community-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: none;
}

.step-card span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
  font-weight: 900;
}

.faq-list {
  max-width: 860px;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.faq-list details {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  color: var(--ink-strong);
  cursor: pointer;
  font-weight: 900;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.community-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.community-card {
  display: grid;
  gap: 10px;
  color: inherit;
}

.community-card strong {
  color: var(--ink-strong);
}

.community-card span {
  color: var(--muted);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-weight: 800;
}

.support-panel {
  padding: 28px;
}

.support-panel-header {
  display: flex;
  font-family: var(--font-display);
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--ink-strong);
}

.support-list {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.support-list a {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.support-list strong {
  color: var(--ink-strong);
}

.support-list span {
  color: var(--muted);
  line-height: 1.55;
}

.footer {
  padding: 56px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(140px, 0.7fr));
  gap: 36px;
}

.footer-brand-block {
  display: grid;
  gap: 18px;
  max-width: 390px;
}

.footer-brand-block p {
  margin: 0;
  line-height: 1.7;
}

.dmca-badge {
  display: inline-flex;
  width: fit-content;
}

.dmca-badge img {
  display: block;
  width: 160px;
  max-width: 100%;
  height: auto;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-column h3 {
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: -0.02em;
}


.footer-dev-column p {
  margin: 0 0 4px;
  color: var(--muted);
  line-height: 1.6;
}

.footer-column a,
.footer-bottom a {
  color: var(--muted);
  font-weight: 700;
}

.footer-column a:hover,
.footer-bottom a:hover {
  color: var(--brand);
}

.footer-bottom {
  margin-top: 42px;
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu,
  .nav-cta {
    display: none;
  }

  .navbar.open .nav-menu {
    position: absolute;
    inset: 76px 20px auto;
    display: grid;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .hero,
  .detail-grid,
  .split-section,
  .contact-section,
  .simple-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .steps-grid,
  .community-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .navbar,
  .section,
  .logo-strip,
  .footer {
    width: min(var(--max), calc(100% - 28px));
  }

  .section {
    padding: 68px 0;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.4rem);
  }

  .metric-grid,
  .detail-grid,
  .feature-grid,
  .steps-grid,
  .community-grid {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: start;
  }
}
