@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Orbitron:wght@600;700&display=swap");

:root {
  --bg: #050816;
  --bg-2: #0b1230;
  --card: rgba(24, 20, 55, 0.72);
  --line: rgba(168, 85, 247, 0.55);
  --gold: #f5d76e;
  --gold-2: #c9a227;
  --text: #f4f6ff;
  --muted: #b7bdd9;
  --cyan: #3de7ff;
  --magenta: #c084fc;
  --pink: #ff4fd8;
  --tg: #2aabee;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(109, 40, 217, 0.35), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(14, 165, 233, 0.2), transparent 55%),
    linear-gradient(180deg, #050816 0%, #0a0f28 40%, #050816 100%);
  min-height: 100vh;
  line-height: 1.6;
}

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

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Top nav */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(5, 8, 22, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  justify-content: center;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.top-nav a {
  transition: opacity 0.2s;
}

.top-nav a:hover {
  opacity: 0.8;
}

.nav-home { color: #ff4d4d; }
.nav-c1 { color: #ffd60a; }
.nav-c2 { color: #34d399; }
.nav-c3 { color: #38bdf8; }
.nav-c4 { color: #818cf8; }
.nav-c5 { color: #f472b6; }
.nav-c6 { color: #4ade80; }
.nav-c7 { color: #60a5fa; }
.nav-c8 { color: #a3e635; }

/* Hero */
.hero {
  padding: 2.5rem 0 1rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.brand-row img {
  width: 78px;
  height: 78px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(245, 215, 110, 0.35));
}

.brand-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  background: linear-gradient(180deg, #fff2b0, #d4af37 55%, #8a6a12);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 24px rgba(245, 215, 110, 0.2);
  line-height: 1.1;
}

.brand-en {
  margin-top: 0.25rem;
  font-family: Orbitron, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--gold);
  opacity: 0.9;
}

.hero-kicker {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  margin: 0.4rem 0;
}

.hero-sub {
  font-size: clamp(1.35rem, 2.8vw, 2.1rem);
  font-weight: 900;
  margin: 0 0 1.4rem;
  background: linear-gradient(90deg, var(--cyan), #8b5cf6, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 0.75rem;
  background: rgba(76, 29, 149, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.feature-card .ico {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.feature-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.feature-card span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.tg-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px solid rgba(168, 85, 247, 0.75);
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  background: linear-gradient(90deg, rgba(88, 28, 135, 0.55), rgba(30, 58, 138, 0.45));
  box-shadow: 0 0 28px rgba(168, 85, 247, 0.25);
  font-weight: 700;
  margin-bottom: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tg-bar:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(168, 85, 247, 0.4);
}

.tg-bar .dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--tg);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 900;
}

.mini-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-benefits span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Sections */
.section {
  padding: 3.2rem 0;
}

.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  margin: 0 0 1.8rem;
  color: #ffe566;
  text-shadow: 0 0 20px rgba(255, 229, 102, 0.25);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.product-card {
  background: var(--card);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 231, 255, 0.55);
}

.product-card .thumb {
  aspect-ratio: 16 / 11;
  background:
    linear-gradient(145deg, rgba(99, 102, 241, 0.35), rgba(236, 72, 153, 0.2)),
    #12183a;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.product-card .body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}

.price {
  color: #ffd60a;
  font-size: 1.35rem;
  font-weight: 900;
}

.desc {
  color: var(--muted);
  font-size: 0.88rem;
  flex: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.btn-buy {
  background: linear-gradient(90deg, #7c3aed, #db2777);
  color: white;
}

.btn-tg {
  background: var(--tg);
  color: white;
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.8rem;
}

.process-item {
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 1.1rem 0.7rem;
  background: rgba(15, 23, 42, 0.55);
}

.process-item .num {
  font-family: Orbitron, sans-serif;
  color: var(--cyan);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.process-item a {
  color: #93c5fd;
  text-decoration: underline;
}

/* FAQ */
.faq {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  margin-bottom: 0.7rem;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.55);
}

.faq-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text);
  padding: 1rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item button::after {
  content: "+";
  color: var(--gold);
  font-size: 1.2rem;
}

.faq-item.open button::after {
  content: "–";
}

.faq-panel {
  display: none;
  padding: 0 1.1rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq-item.open .faq-panel {
  display: block;
}

/* Reviews */
.reviews {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.review {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 1.1rem;
}

.stars {
  color: #fbbf24;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.review p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 0.9rem;
}

.review .who {
  font-size: 0.85rem;
  color: #e2e8f0;
}

.review .tag {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--cyan);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 0 2.5rem;
  margin-top: 1rem;
}

.footer-tg {
  display: inline-flex;
  margin-bottom: 1rem;
  color: #93c5fd;
  font-weight: 700;
}

.disclaimer strong {
  color: #fca5a5;
}

.disclaimer p {
  color: var(--muted);
  font-size: 0.88rem;
}

.copy {
  margin-top: 1.2rem;
  color: #94a3b8;
  font-size: 0.85rem;
  text-align: center;
}

/* Product page */
.product-hero {
  padding: 2rem 0 1rem;
}

.product-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 18px;
  padding: 1.4rem;
}

.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.spec {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 0.85rem;
  background: rgba(76, 29, 149, 0.15);
}

.spec h3 {
  margin: 0;
  font-size: 1rem;
  color: #ffe566;
}

.product-content {
  max-width: 860px;
  margin: 0 auto;
}

.product-content h2,
.product-content h3 {
  color: #ffe566;
}

.product-content p,
.product-content li {
  color: var(--muted);
}

.toc {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
}

.toc a {
  color: #93c5fd;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .product-panel {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .reviews {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 640px) {
  .feature-cards,
  .product-grid,
  .reviews,
  .specs,
  .process {
    grid-template-columns: 1fr;
  }

  .top-nav-inner {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.7rem;
  }
}


.spec-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font-weight: 700;
}