:root {
  --bg: #f5f5f7;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --text: #111111;
  --muted: #5f6368;
  --line: rgba(17, 17, 17, 0.08);
  --line-strong: rgba(17, 17, 17, 0.12);
  --blue: #0071e3;
  --gold: #9b6a1b;
  --coral: #b85c38;
  --teal: #106c63;
  --violet: #6058d8;
  --shadow: 0 24px 64px rgba(15, 18, 28, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(0, 113, 227, 0.12), transparent 28%),
    linear-gradient(180deg, #fbfbfd 0%, #f2f2f5 46%, #ececf1 100%);
}

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

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 20px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 245, 247, 0.78);
  backdrop-filter: blur(18px);
}

.brand,
.nav a,
.eyebrow,
h1,
h2,
h3 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

.brand {
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.98rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--text);
}

.hero,
.feature-band,
.contact-panel,
.detail-hero,
.detail-content,
.plans-panel {
  background: var(--bg-soft);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.hero {
  min-height: 76vh;
  padding: 60px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 32px;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -18% auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.14) 0%, rgba(96, 88, 216, 0.08) 36%, transparent 72%);
  filter: blur(6px);
  pointer-events: none;
}

.eyebrow {
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.9rem, 5vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  margin: 0 0 20px;
  max-width: 12ch;
}

h2 {
  font-size: clamp(2rem, 3vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.28rem;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.lead,
.hero p,
.section-heading p,
.product-card p,
.feature-list p,
.mini-plan-card p,
.detail-copy p,
.detail-content p,
.plan-card p,
li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.lead {
  max-width: 62ch;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(15, 18, 28, 0.12);
}

.button.primary {
  background: var(--blue);
  color: #fff;
  border-color: transparent;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.hero-visual {
  position: relative;
  min-height: 420px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(242, 245, 252, 0.76)),
    radial-gradient(circle at 30% 30%, rgba(0, 113, 227, 0.16), transparent 28%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 32px;
  border-radius: 24px;
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 95%);
}

.hero-orb {
  position: absolute;
  inset: 54px auto auto 54px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.18) 22%, rgba(0, 113, 227, 0.88) 44%, rgba(16, 108, 99, 0.84) 66%, rgba(17, 24, 39, 0.98) 100%);
  box-shadow:
    0 20px 48px rgba(0, 113, 227, 0.24),
    inset -18px -18px 34px rgba(0, 0, 0, 0.22);
}

.hero-ring {
  position: absolute;
  border: 1px solid rgba(0, 113, 227, 0.18);
  border-radius: 50%;
}

.hero-ring.one {
  width: 290px;
  height: 290px;
  top: 14px;
  left: 14px;
}

.hero-ring.two {
  width: 364px;
  height: 364px;
  top: -22px;
  left: -22px;
}

.hero-chip {
  position: absolute;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(17, 17, 17, 0.06);
  box-shadow: 0 18px 36px rgba(15, 18, 28, 0.08);
}

.hero-chip strong,
.hero-chip span {
  display: block;
}

.hero-chip strong {
  font-size: 0.94rem;
  letter-spacing: -0.02em;
}

.hero-chip span {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 4px;
}

.hero-chip.a {
  top: 56px;
  right: 34px;
}

.hero-chip.b {
  right: 34px;
  bottom: 126px;
}

.hero-chip.c {
  left: 42px;
  bottom: 36px;
}

.hero-lines {
  position: absolute;
  right: 52px;
  bottom: 42px;
  width: 140px;
  height: 82px;
  display: grid;
  gap: 10px;
}

.hero-lines span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 113, 227, 0.92), rgba(96, 88, 216, 0.36));
}

.hero-lines span:nth-child(2) {
  width: 82%;
}

.hero-lines span:nth-child(3) {
  width: 64%;
}

.stat-card,
.product-card,
.mini-plan-card,
.detail-block,
.plan-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
}

.stat-card span,
.product-tag,
.price-label {
  display: inline-block;
  font-size: 0.84rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.stat-card strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.section {
  padding: 34px 0 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 22px;
}

.product-grid,
.plan-overview-grid,
.detail-grid,
.plans-grid {
  display: grid;
  gap: 18px;
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plan-overview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.mini-plan-card {
  min-height: 100%;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.product-card {
  position: relative;
}

.product-icon,
.detail-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 244, 252, 0.88));
  border: 1px solid rgba(17, 17, 17, 0.06);
  box-shadow: 0 14px 28px rgba(15, 18, 28, 0.08);
  margin-bottom: 18px;
}

.product-icon svg,
.detail-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.product-card::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.12), transparent 66%);
  pointer-events: none;
}

.product-card:hover,
.mini-plan-card:hover,
.plan-card:hover,
.detail-block:hover,
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 18, 28, 0.08);
  border-color: rgba(0, 113, 227, 0.16);
}

.product-card a,
.mini-plan-card a,
.back-link {
  color: var(--text);
  font-weight: 700;
}

.accent-blue { border-top: 5px solid var(--blue); }
.accent-gold { border-top: 5px solid var(--gold); }
.accent-coral { border-top: 5px solid var(--coral); }
.accent-teal { border-top: 5px solid var(--teal); }
.accent-violet { border-top: 5px solid var(--violet); }

.feature-band {
  margin-top: 30px;
  padding: 42px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
}

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

.contact-panel {
  margin-top: 30px;
  padding: 42px;
  border-radius: var(--radius-xl);
  text-align: center;
}

.detail-hero,
.detail-content,
.plans-panel {
  border-radius: var(--radius-xl);
}

.detail-hero {
  padding: 46px;
  margin-top: 10px;
}

.detail-copy {
  max-width: 860px;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: 14px;
}

.detail-header .detail-icon {
  flex: 0 0 auto;
  margin-bottom: 0;
}

.detail-title {
  min-width: 0;
}

.detail-copy h1 {
  font-size: clamp(2.4rem, 4.4vw, 4.6rem);
  max-width: none;
}

.detail-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.pill {
  display: inline-flex;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--muted);
  font-size: 0.94rem;
}

.detail-content,
.plans-panel {
  margin-top: 24px;
  padding: 36px;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-block ul {
  padding-left: 18px;
  margin: 14px 0 0;
}

.plans-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plan-card.featured {
  background: linear-gradient(180deg, #0d1522 0%, #111827 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
}

.plan-card.featured p,
.plan-card.featured li,
.plan-card.featured .price-label {
  color: rgba(255, 255, 255, 0.74);
}

.price {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 2.15rem;
  letter-spacing: -0.04em;
  margin: 6px 0 14px;
}

.plan-card ul {
  padding-left: 18px;
  margin: 0 0 18px;
}

.footnote {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .hero,
  .feature-band,
  .product-grid,
  .plan-overview-grid,
  .detail-grid,
  .plans-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .hero,
  .feature-band,
  .detail-hero,
  .detail-content,
  .plans-panel,
  .contact-panel {
    padding: 28px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .detail-header {
    flex-direction: column;
    gap: 12px;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .topbar {
    padding-top: 18px;
  }

  .hero {
    min-height: auto;
    padding: 22px;
  }

  .button {
    width: 100%;
  }
}