:root {
  --bg: #070707;
  --bg2: #111116;
  --card: rgba(255, 255, 255, 0.06);
  --text: #f7f7f7;
  --muted: #b8b8b8;
  --gold: #d7b55b;
  --gold2: #f4d77a;
  --green: #35d07f;
  --border: rgba(215, 181, 91, 0.25);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 24px;
  --max: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(215, 181, 91, 0.14), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(80, 80, 150, 0.12), transparent 35%),
    linear-gradient(180deg, #070707 0%, #111116 45%, #070707 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.top-alert {
  background: linear-gradient(90deg, #b98b2e, #f6d36e, #b98b2e);
  color: #0b0b0b;
  text-align: center;
  font-weight: 900;
  padding: 10px 16px;
  font-size: 14px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 7, 7, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-content {
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo span {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold2), #9e7627);
  color: #050505;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.logo strong {
  font-size: 17px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f6d36e, #b98b2e);
  color: #090909;
  padding: 17px 26px;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 18px 45px rgba(215, 181, 91, 0.28);
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-small {
  padding: 13px 20px;
  font-size: 14px;
}

.btn-outline {
  background: rgba(255,255,255,0.04);
  color: var(--gold2);
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero {
  padding: 70px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 54px;
  align-items: center;
}

.tag,
.small-title,
.section-title span {
  display: inline-flex;
  color: var(--gold2);
  background: rgba(215,181,91,0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 72px);
  line-height: 0.98;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-subtitle {
  color: #e4e4e4;
  font-size: clamp(18px, 2vw, 23px);
  margin-bottom: 28px;
}

.hero-subtitle strong {
  color: var(--gold2);
}

.hero-list {
  display: grid;
  gap: 13px;
  margin-bottom: 30px;
}

.hero-list div {
  display: flex;
  gap: 12px;
  color: var(--muted);
}

.hero-list span {
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  color: var(--green);
  background: rgba(53, 208, 127, 0.12);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.secure {
  color: var(--muted);
  font-size: 14px;
  margin-top: 16px;
}

.book-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03)),
    radial-gradient(circle at 50% 0%, rgba(215,181,91,0.2), transparent 55%);
  border: 1px solid var(--border);
  border-radius: 34px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.book-image {
  min-height: 420px;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(215,181,91,0.16), transparent 52%),
    linear-gradient(145deg, #0e0e13, #050505);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

.book-image img {
  width: min(92%, 420px);
  filter: drop-shadow(0 35px 50px rgba(0,0,0,0.65));
}

.book-fallback {
  display: none;
  width: min(88%, 370px);
  aspect-ratio: 0.72;
  border-radius: 18px;
  background:
    linear-gradient(160deg, rgba(215,181,91,0.22), transparent 22%),
    linear-gradient(180deg, #111827, #050505);
  border: 1px solid rgba(215,181,91,0.38);
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  box-shadow: 0 35px 80px rgba(0,0,0,0.5);
}

.book-fallback .author {
  text-align: center;
  color: var(--gold2);
  font-weight: 900;
}

.book-fallback h2 {
  font-size: 36px;
  text-align: center;
  line-height: 0.96;
}

.book-fallback h2 span {
  color: var(--gold2);
}

.book-fallback .subtitle {
  text-align: center;
  color: #dddddd;
  font-size: 14px;
}

.price-box {
  margin-top: 22px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(215,181,91,0.25);
  border-radius: 24px;
  padding: 22px;
}

.price-box p {
  color: var(--muted);
  margin-bottom: 6px;
}

.price-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.old-price {
  color: #9e9e9e;
  text-decoration: line-through;
  font-size: 22px;
}

.price-line strong {
  color: var(--gold2);
  font-size: 44px;
  line-height: 1;
}

.price-box small {
  color: var(--green);
  font-weight: 900;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.countdown div {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  text-align: center;
  padding: 10px 6px;
}

.countdown strong {
  display: block;
  color: var(--gold2);
  font-size: 22px;
  line-height: 1;
}

.countdown span {
  color: var(--muted);
  font-size: 11px;
}

.section {
  padding: 78px 0;
}

.section-title {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 44px;
}

.section-title h2,
.split h2,
.offer-card h2,
.final-cta h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -1.2px;
  margin-bottom: 18px;
}

.section-title p,
.split p,
.offer-card p,
.final-cta p {
  color: var(--muted);
  font-size: 18px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.025));
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.22);
}

.icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(215,181,91,0.13);
  color: var(--gold2);
  font-size: 24px;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 21px;
  margin-bottom: 10px;
  line-height: 1.2;
}

.card p {
  color: var(--muted);
}

.gold-card strong {
  color: var(--gold2);
  font-size: 28px;
  display: block;
  margin-bottom: 12px;
}

.dark {
  background:
    linear-gradient(135deg, rgba(215,181,91,0.08), rgba(255,255,255,0.03)),
    #0d0d11;
  border-top: 1px solid rgba(215,181,91,0.15);
  border-bottom: 1px solid rgba(215,181,91,0.15);
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 46px;
  align-items: center;
}

.split p {
  margin-bottom: 18px;
}

.highlight-list {
  display: grid;
  gap: 16px;
}

.highlight-list div {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 20px;
  padding: 22px;
}

.highlight-list h3 {
  color: var(--gold2);
  margin-bottom: 8px;
}

.highlight-list p {
  color: var(--muted);
}

.modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.module {
  display: flex;
  gap: 16px;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 20px;
}

.module span {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  background: linear-gradient(135deg, var(--gold2), #9e7627);
  color: #080808;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.module h3 {
  margin-bottom: 5px;
}

.module p {
  color: var(--muted);
  font-size: 15px;
}

.offer-section {
  padding: 90px 0;
}

.offer-card {
  background:
    radial-gradient(circle at 20% 0%, rgba(215,181,91,0.25), transparent 35%),
    linear-gradient(180deg, #17171c, #090909);
  border: 1px solid rgba(215,181,91,0.35);
  border-radius: 34px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 36px;
  align-items: center;
  box-shadow: 0 35px 100px rgba(0,0,0,0.5);
}

.offer-badge {
  display: inline-flex;
  background: rgba(255,77,77,0.12);
  color: #ffb3b3;
  border: 1px solid rgba(255,77,77,0.3);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 900;
  font-size: 13px;
  margin-bottom: 16px;
}

.offer-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.offer-card li {
  color: #e8e8e8;
}

.offer-card li::before {
  content: "✓ ";
  color: var(--green);
  font-weight: 900;
}

.checkout-box {
  background: rgba(0,0,0,0.42);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 28px;
  padding: 28px;
}

.checkout-box p {
  color: var(--muted);
  margin-bottom: 4px;
}

.checkout-box .big {
  display: block;
  margin-bottom: 12px;
}

.checkout-box strong {
  display: block;
  color: var(--gold2);
  font-size: 60px;
  line-height: 1;
  margin-bottom: 8px;
}

.checkout-box small {
  color: var(--green);
  font-weight: 900;
}

.checkout-box .btn {
  width: 100%;
  margin-top: 24px;
}

.guarantee {
  margin-top: 18px;
  color: var(--muted);
  background: rgba(53,208,127,0.08);
  border: 1px solid rgba(53,208,127,0.18);
  border-radius: 18px;
  padding: 16px;
  font-size: 14px;
}

.faq {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

details {
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 900;
  font-size: 17px;
}

details p {
  color: var(--muted);
  margin-top: 12px;
}

.final-cta {
  text-align: center;
  padding: 90px 0 110px;
  background:
    radial-gradient(circle at center, rgba(215,181,91,0.16), transparent 40%),
    #070707;
}

.final-cta p {
  max-width: 760px;
  margin: 0 auto 28px;
}

footer {
  background: #050505;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.floating-cta {
  display: none;
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 100;
}

.floating-cta .btn {
  width: 100%;
}

@media (max-width: 960px) {
  .hero-grid,
  .split,
  .offer-card {
    grid-template-columns: 1fr;
  }

  .book-card {
    order: -1;
  }

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

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

  .book-image {
    min-height: 340px;
  }

  .offer-card {
    padding: 30px;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 78px;
  }

  .container {
    width: min(100% - 24px, var(--max));
  }

  .header-content {
    height: 66px;
  }

  .header .btn {
    display: none;
  }

  .hero {
    padding: 42px 0 58px;
  }

  .hero h1 {
    letter-spacing: -1px;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .btn {
    width: 100%;
    padding: 17px 18px;
  }

  .section {
    padding: 58px 0;
  }

  .countdown {
    gap: 8px;
  }

  .checkout-box strong {
    font-size: 50px;
  }

  .floating-cta {
    display: block;
  }
}