/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f0f0f;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --red: #c0282e;
  --red-glow: rgba(192, 40, 46, 0.3);
  --red-deep: #8b1a1e;
  --red-light: #e03a40;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #555;
  --border: #1e1e1e;
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1100px;
  --max-width-narrow: 760px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--red-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

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

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 0 auto 2rem;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-link:hover {
  color: #fff;
}

.nav-cta {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--red);
  color: #fff;
  padding: 0.5rem 1.3rem;
  border-radius: 4px;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--red-light);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== HERO ===== */
.hero {
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--red-glow) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0.5;
}

.hero-book {
  position: relative;
  z-index: 1;
  margin-bottom: 3rem;
}

.hero-book img {
  max-height: 420px;
  margin: 0 auto;
  filter: drop-shadow(0 30px 80px rgba(192, 40, 46, 0.35));
  transition: transform 0.4s ease;
}

.hero-book img:hover {
  transform: scale(1.03) rotate(-1deg);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red-light);
  border: 1px solid rgba(192, 40, 46, 0.4);
  padding: 0.4rem 1.2rem;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--red);
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 2.2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 25px var(--red-glow);
}

.btn-primary:hover {
  background: var(--red-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 40px var(--red-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--red);
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg {
  font-size: 1.1rem;
  padding: 1.15rem 2.8rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== HOOK / PROBLEM SECTION ===== */
.hook-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.hook-text strong {
  color: var(--text-primary);
}

.hook-text em {
  color: var(--red-light);
  font-style: normal;
}

.hook-lead {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.hook-lead .accent {
  color: var(--red);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.section-header .accent {
  color: var(--red);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FRAMEWORK / 3-PART ===== */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.framework-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  position: relative;
  transition: all var(--transition);
}

.framework-step:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--red);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 1rem;
}

.framework-step h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.framework-step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== BULLET STACK ===== */
.bullet-stack {
  list-style: none;
  max-width: 680px;
  margin: 0 auto;
}

.bullet-stack li {
  padding: 1rem 0 1rem 2rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.bullet-stack li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.45rem;
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.bullet-stack li strong {
  color: var(--text-primary);
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.25rem;
  position: relative;
}

.testimonial::before {
  content: '\201C';
  font-family: var(--font-heading);
  font-size: 4.5rem;
  color: var(--red);
  opacity: 0.2;
  position: absolute;
  top: 0.25rem;
  left: 1.25rem;
  line-height: 1;
}

.testimonial p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  padding-top: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

/* ===== ABOUT / CREDIBILITY ===== */
.credibility {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.credibility-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.credibility-text .accent {
  color: var(--red);
}

.credibility-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat {
  border-left: 3px solid var(--red);
  padding-left: 1rem;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ===== TOPICS / WHAT'S INSIDE ===== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.topic {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition);
}

.topic:hover {
  border-color: var(--red);
  color: var(--text-primary);
}

/* ===== QUOTE CALLOUT ===== */
.callout {
  text-align: center;
  padding: 5rem 2rem;
  position: relative;
}

.callout-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.3;
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.callout-quote .accent {
  color: var(--red);
}

.callout-attr {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== FINAL CTA ===== */
.final-cta {
  text-align: center;
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, var(--red-glow) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0.4;
}

.final-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.final-cta .accent {
  color: var(--red);
}

.final-cta p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 540px;
  margin: 0 auto 2.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.final-cta .cta-group {
  position: relative;
  z-index: 1;
}

.format-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text-secondary);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--red);
  color: var(--red-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .framework-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .credibility {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .credibility-img {
    order: -1;
  }

  .credibility-img img {
    max-height: 350px;
    margin: 0 auto;
  }

  .stat-row {
    justify-items: center;
  }

  .stat {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 7rem 0 3.5rem;
  }

  .hero-book img {
    max-height: 320px;
  }

  .section {
    padding: 4rem 0;
  }

  .callout {
    padding: 3.5rem 1.5rem;
  }

  .stat-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

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

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .nav-right {
    gap: 1rem;
  }

  .nav-link {
    display: none;
  }
}