/* ============================
   OPTIONSTEPS — THEME CSS
   ============================ */

/* — Variables — */
:root {
  --bg-dark: #0B1628;
  --bg-mid: #111f35;
  --bg-light: #F8F7F4;
  --amber: #F5A623;
  --amber-dim: rgba(245,166,35,0.12);
  --text-light: #F8F7F4;
  --text-muted: #8899aa;
  --text-dark: #0B1628;
  --border: rgba(255,255,255,0.08);
  --section-pad: 80px;
}

/* — Reset — */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

/* — Typography — */
body {
  font-family: 'Nunito Sans', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Sora', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* — Navbar — */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(11,22,40,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark {
  font-size: 22px;
  color: var(--amber);
  line-height: 1;
}
.logo-name {
  font-family: 'Sora', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: -0.01em;
}
.nav-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(245,166,35,0.25);
  padding: 5px 12px;
  border-radius: 20px;
}

/* — Hero — */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}
.hero-content {
  max-width: 560px;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}
.eyebrow-line {
  display: block;
  width: 32px;
  height: 1px;
  background: var(--amber);
}
.hero-headline {
  font-size: clamp(42px, 5.5vw, 68px);
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 480px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 32px;
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.meta-num {
  font-family: 'Sora', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
}
.meta-label {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.meta-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* Book mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}
.book-mockup {
  display: flex;
  align-items: stretch;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
  transform: perspective(800px) rotateY(-8deg);
  transition: transform 0.4s ease;
}
.book-mockup:hover {
  transform: perspective(800px) rotateY(-2deg);
}
.book-spine {
  width: 18px;
  background: linear-gradient(180deg, #c4890e 0%, #d9a220 50%, #c4890e 100%);
  border-radius: 2px 0 0 2px;
}
.book-cover {
  width: 200px;
  background: #0B1628;
  border: 1px solid rgba(245,166,35,0.3);
  border-left: none;
  border-radius: 0 4px 4px 0;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
}
.cover-diamond {
  font-size: 28px;
  color: var(--amber);
  margin-bottom: 4px;
}
.cover-title {
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
}
.cover-sub {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
}
.cover-step {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 4px 10px;
  border-radius: 12px;
  margin-top: 8px;
}

/* — Sections shared — */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

/* — Problem — */
.problem {
  background: var(--bg-mid);
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-label, .approach-label, .get-label, .get-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.problem-headline, .approach-headline, .get-headline {
  font-size: clamp(28px, 3.5vw, 44px);
  color: var(--text-light);
  margin-bottom: 24px;
  max-width: 620px;
}
.problem-body {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 52px;
}
.problem-signs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 640px;
}
.sign {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.sign-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,80,80,0.12);
  border: 1px solid rgba(255,80,80,0.2);
  color: #ff6b6b;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  font-weight: 700;
}
.sign p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* — Approach — */
.approach {
  padding: var(--section-pad) 0;
  background: var(--bg-dark);
}
.approach-body {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 56px;
}
.approach-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  border-top: 1px solid var(--border);
  padding-top: 48px;
}
.pillar-num {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 16px;
}
.pillar h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 12px;
}
.pillar p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* — What you get — */
.what-you-get {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}
.get-grid { padding-top: 8px; }
.get-header { margin-bottom: 48px; }
.get-label { color: #c4890e; }
.get-headline { color: var(--text-dark); }
.chapters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.chapter {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(11,22,40,0.08);
  background: white;
  transition: box-shadow 0.2s;
}
.chapter:hover {
  box-shadow: 0 8px 32px rgba(11,22,40,0.1);
}
.chapter-highlight {
  background: var(--bg-dark);
  border-color: rgba(245,166,35,0.3);
}
.chapter-highlight h4 { color: var(--text-light); }
.chapter-highlight p { color: var(--text-muted); }
.chapter-num {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  width: 56px;
  padding-top: 2px;
}
.chapter-content h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.chapter-content p {
  font-size: 13px;
  color: #6b7a8a;
  line-height: 1.55;
}

/* — Testimonial — */
.testimonial {
  padding: 80px 0;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}
.quote-mark {
  font-family: Georgia, serif;
  font-size: 96px;
  color: var(--amber);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: -32px;
}
.testimonial-text {
  font-family: 'Sora', sans-serif;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 400;
  font-style: italic;
  color: var(--text-light);
  line-height: 1.5;
  max-width: 720px;
  margin-bottom: 40px;
}
.testimonial-attr {
  display: flex;
  align-items: center;
  gap: 16px;
}
.attr-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--bg-dark);
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.attr-name {
  font-family: 'Sora', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
}
.attr-role {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* — Closing — */
.closing {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0d1e38 100%);
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(245,166,35,0.2);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 32px;
}
.closing-headline {
  font-size: clamp(32px, 4vw, 52px);
  color: var(--text-light);
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.closing-body {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 40px;
}
.closing-note {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.6;
}

/* — Footer — */
.footer {
  background: #070e1a;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand .logo-name {
  font-size: 15px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.footer-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.5;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

/* — Responsive — */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px;
    min-height: auto;
  }
  .hero-visual { display: none; }
  .problem-signs { grid-template-columns: 1fr; }
  .approach-pillars { grid-template-columns: 1fr; gap: 24px; }
  .chapters { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .navbar { padding: 16px 24px; }
  .section-inner { padding: 0 24px; }
  .hero-meta { gap: 20px; }
  .meta-num { font-size: 28px; }
}