:root {
  --primary: #1268ff;
  --primary-dark: #063bb0;
  --primary-soft: #eaf2ff;
  --accent: #ffd044;
  --accent-dark: #f1b900;
  --ink: #0c0c0d;
  --muted: #63708a;
  --line: #dbe7ff;
  --card: #ffffff;
  --bg: #f4f8ff;
  --shadow: 0 24px 60px rgba(18, 104, 255, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
}

header {
  background: #000;
}

header > div {
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  height: 72px;
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  display: block;
  width: 160px;
  height: 48px;
  object-fit: contain;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 64px;
}

.hero {
  margin-bottom: 36px;
  text-align: center;
}

.hero-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 26px;
  align-items: center;
  max-width: 980px;
  margin: 0 auto 24px;
  text-align: left;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 116px;
  height: 116px;
  border-radius: 30px;
  background: linear-gradient(145deg, #fff, #c2d4f8);
}

.brand-logo {
  width: 82px;
  height: 82px;
  border-radius: 22px;
}

.hero-content > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: rgba(18, 104, 255, 0.1);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.hero-content p {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.platform-switch {
  display: inline-flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 34px rgba(18, 104, 255, 0.1);
}

.platform-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 146px;
  border: 0;
  border-radius: 999px;
  padding: 13px 24px;
  color: var(--primary-dark);
  background: transparent;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  transition: 0.22s ease;
}

.platform-btn i {
  font-size: 18px;
}

.platform-btn.active,
.platform-btn:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #42a5ff);
  box-shadow: 0 12px 24px rgba(18, 104, 255, 0.25);
}

.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 548px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.plan-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: linear-gradient(90deg, var(--primary), #68c5ff);
}

.plan-card.featured {
  transform: translateY(-10px);
  border-color: rgba(18, 104, 255, 0.42);
  box-shadow: 0 30px 70px rgba(18, 104, 255, 0.22);
}

.plan-top {
  display: grid;
  grid-template-rows: 36px 34px 24px 58px;
  align-items: end;
  min-height: 164px;
  margin-bottom: 16px;
}

.badge {
  justify-self: start;
  align-self: start;
  padding: 8px 14px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #ff6a3d, #ff3268);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge.blue {
  background: linear-gradient(135deg, var(--primary), #42a5ff);
}

.plan-top > span:nth-of-type(1) {
  display: block;
  color: var(--primary-dark);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.plan-top > span:nth-of-type(2) {
  display: block;
  color: var(--muted);
  font-size: 15px;
  text-decoration: line-through;
}

.plan-top > span.old-price-slot {
  visibility: hidden;
}

.plan-top > span:nth-of-type(3) {
  display: block;
  font-size: 46px;
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.05em;
}

.button-stack {
  display: grid;
  gap: 14px;
  margin: 0 0 28px;
}

.buy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  border-radius: 10px;
  padding: 14px 18px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 900;
  transition: 0.2s ease;
}

.buy-btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 14px 28px rgba(18, 104, 255, 0.25);
}

.buy-btn.paypal {
  color: #12305c;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 14px 26px rgba(241, 185, 0, 0.22);
}

.buy-btn .os-icon {
  flex-shrink: 0;
  margin-right: 9px;
  font-size: 18px;
}

.buy-btn.paypal strong {
  margin-left: 4px;
  color: #0070ba;
  font-style: italic;
}

.buy-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
}

.features {
  display: grid;
  gap: 14px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  color: #36435e;
  font-size: 15px;
  line-height: 1.45;
}

.features li {
  position: relative;
  padding-left: 28px;
}

.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  color: #fff;
  background: var(--primary);
  font-size: 12px;
  font-weight: 900;
}

.bundle-recommend {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin-top: 34px;
  padding: 28px 32px;
  overflow: hidden;
  border: 1px solid rgba(18, 104, 255, 0.22);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(232, 243, 255, 0.92)),
    radial-gradient(circle at 8% 18%, rgba(18, 104, 255, 0.22), transparent 22rem);
  box-shadow: 0 22px 50px rgba(18, 104, 255, 0.12);
}

.bundle-recommend::after {
  content: "";
  position: absolute;
  right: -58px;
  bottom: -88px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 104, 255, 0.18), transparent 68%);
}

.bundle-recommend > div:first-of-type {
  position: relative;
  z-index: 1;
}

.bundle-recommend > div:first-of-type > span:first-child {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #ff6a3d, #ff3268);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bundle-recommend h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.bundle-recommend p {
  max-width: 760px;
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.bundle-recommend p strong {
  color: var(--primary-dark);
  font-weight: 950;
}

.bundle-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bundle-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid rgba(18, 104, 255, 0.16);
  border-radius: 999px;
  color: var(--primary-dark);
  background: #fff;
  font-size: 13px;
  font-weight: 850;
}

.bundle-tags i {
  color: var(--primary);
}

.bundle-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 178px;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 14px 28px rgba(18, 104, 255, 0.24);
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
  transition: 0.2s ease;
}

.bundle-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
}

.payment,
.notice,
.faq {
  margin-top: 72px;
  text-align: center;
}

.payment h2,
.notice h2,
.faq h2 {
  margin: 0 0 44px;
  color: #0f1235;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.payment-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.payment-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 92px;
  min-height: 52px;
  padding: 8px 12px;
  border: 1px solid #e4e7ee;
  border-radius: 4px;
  color: #17213d;
  background: #fff;
  box-shadow: 0 3px 10px rgba(14, 27, 61, 0.04);
  font-size: 13px;
  font-weight: 800;
}

.payment-logo i {
  color: var(--primary);
  font-size: 24px;
}

.payment-logo .fa-paypal {
  color: #0070ba;
}

.payment-logo .fa-apple-pay {
  color: #111;
  font-size: 32px;
}

.notice-box {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 34px;
  border: 1px solid #e1e4eb;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(14, 27, 61, 0.04);
  text-align: left;
}

.notice-box ol {
  display: grid;
  gap: 18px;
  margin: 0;
  padding-left: 24px;
  color: #202638;
  font-size: 17px;
  line-height: 1.75;
}

.faq-list {
  display: grid;
  gap: 16px;
  max-width: 1088px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  border: 1px solid #e7eaf0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(14, 27, 61, 0.035);
}

.faq-item h4 {
  margin: 0;
  padding: 20px 26px 12px;
  color: #242a3a;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.45;
}

.faq-item p {
  margin: 0;
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

footer {
  margin-top: 72px;
  color: rgba(255, 255, 255, 0.78);
  background: #000;
}

footer > p {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.62);
  text-align: center;
}

@media (max-width: 960px) {
  .hero-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .pricing {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .bundle-recommend {
    flex-direction: column;
    align-items: flex-start;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .bundle-btn {
    width: 100%;
  }

  .payment,
  .notice,
  .faq {
    margin-top: 52px;
  }

  .plan-card,
  .plan-card.featured {
    min-height: auto;
    transform: none;
  }
}

@media (max-width: 560px) {
  header > div {
    justify-content: center;
    width: min(100% - 20px, 1180px);
    height: 64px;
  }

  .logo img {
    width: 140px;
    height: 42px;
  }

  main {
    width: min(100% - 20px, 1180px);
    padding-top: 32px;
  }

  .brand-mark {
    width: 96px;
    height: 96px;
    border-radius: 24px;
  }

  .brand-logo {
    width: 68px;
    height: 68px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .platform-switch {
    width: 100%;
  }

  .platform-btn {
    flex: 1;
    min-width: 0;
    padding-inline: 12px;
  }

  .plan-card {
    padding: 28px 22px;
    border-radius: 22px;
  }

  .bundle-recommend {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .bundle-tags {
    gap: 8px;
  }

  .bundle-tags span {
    font-size: 12px;
  }

  .payment-logos {
    gap: 10px;
  }

  .payment-logo {
    min-width: 86px;
    min-height: 48px;
    font-size: 12px;
  }

  .notice-box {
    padding: 22px 18px;
  }

  .notice-box ol {
    gap: 14px;
    font-size: 15px;
  }

  .faq-item h4 {
    padding: 18px 18px 10px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 18px 20px;
  }

  .plan-top {
    grid-template-rows: 36px 36px 24px 54px;
    min-height: 158px;
  }

  .plan-top > span:nth-of-type(3) {
    font-size: 40px;
  }
}
