* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f7fb;
  --text: #14213a;
  --muted: #5f6f89;
  --line: #d8e1ef;
  --brand: #2549d8;
  --brand-dark: #122978;
  --brand-soft: #e8eeff;
  --accent: #7a5cff;
  --card: #ffffff;
  --success: #1f8f5f;
  --shadow: 0 24px 60px rgba(26, 42, 88, 0.12);
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: linear-gradient(180deg, #f7f9fd 0%, #eef3fb 100%);
  color: var(--text);
}

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

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

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.header {
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 8px 20px rgba(37, 73, 216, 0.28);
}

.hero {
  padding: 38px 0 60px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero p.lead {
  margin: 20px 0 0;
  font-size: 18px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 620px;
}

.bullet-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

.bullet {
  display: flex;
  gap: 12px;
  color: var(--text);
  font-size: 15px;
}

.bullet::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  flex: 0 0 auto;
}

.optin-card {
  margin-top: 30px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 24px;
  padding: 24px;
}

.form-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.input {
  width: 100%;
  min-height: 52px;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 0 16px;
  font-size: 15px;
  background: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border: none;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  cursor: pointer;
  box-shadow: 0 16px 36px rgba(37, 73, 216, 0.24);
}

.disclaimer {
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

.visual-wrap {
  position: relative;
  min-height: 600px;
}

.glow {
  position: absolute;
  inset: 12% 12% auto auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(122, 92, 255, 0.28), transparent 65%);
  filter: blur(10px);
}

.ebook-stack {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
}

.ebook-shadow {
  position: absolute;
  bottom: 48px;
  width: 340px;
  height: 40px;
  border-radius: 999px;
  background: rgba(24, 35, 72, 0.14);
  filter: blur(16px);
}

.ebook-card {
  position: relative;
  width: 320px;
  height: 430px;
  border-radius: 26px;
  background: linear-gradient(160deg, #1837b4 0%, #2f55f2 58%, #8d6dff 100%);
  color: #fff;
  box-shadow: 0 34px 70px rgba(34, 58, 150, 0.28);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-12deg) rotateX(6deg);
}

.ebook-card::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.ebook-spine {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.24), rgba(255,255,255,0.02));
}

.ebook-content {
  position: absolute;
  inset: 24px 24px 24px 42px;
  display: flex;
  flex-direction: column;
}

.ebook-tag {
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ebook-title {
  margin-top: 18px;
  font-size: 34px;
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.ebook-sub {
  margin-top: 14px;
  color: rgba(255,255,255,0.86);
  font-size: 15px;
  line-height: 1.6;
}

.ebook-bars {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.ebook-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
}

.ebook-bar:nth-child(1) { width: 92%; }
.ebook-bar:nth-child(2) { width: 80%; }
.ebook-bar:nth-child(3) { width: 64%; }

.floating-note {
  position: absolute;
  right: 10px;
  top: 40px;
  width: 190px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.floating-note strong {
  display: block;
  font-size: 15px;
  margin-bottom: 8px;
}

.floating-note p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(216, 225, 239, 0.7);
  border-bottom: 1px solid rgba(216, 225, 239, 0.7);
}

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.section p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(26, 42, 88, 0.08);
}

.card .number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.quote {
  background: linear-gradient(135deg, #15309f, #7658f4);
  color: #fff;
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.quote p {
  color: rgba(255,255,255,0.88);
}

.footer-cta {
  padding: 0 0 80px;
}

@media (max-width: 1040px) {
  .hero-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .visual-wrap,
  .ebook-stack {
    min-height: 480px;
  }

  .floating-note {
    position: relative;
    top: auto;
    right: auto;
    margin: 18px auto 0;
  }
}