/* Business Books Bundle — Modern Design System */

:root {
  --navy:      #0f172a;
  --navy-600:  #1e3a5f;
  --blue:      #2563eb;
  --gold:      #f59e0b;
  --gold-dark: #d97706;
  --green:     #10b981;
  --surface:   #f8fafc;
  --border:    #e2e8f0;
  --text:      #1e293b;
  --muted:     #64748b;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow:    0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Container ──────────────────────────────────── */
.m-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ────────────────────────────────────── */
.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.2;
  white-space: nowrap;
}

.m-btn-gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.m-btn-gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); color: var(--navy); }

.m-btn-navy {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.m-btn-navy:hover { background: var(--navy-600); color: #fff; }

.m-btn-outline-light {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.4);
}
.m-btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.m-btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.m-btn-outline-dark:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.m-btn-lg {
  padding: 17px 34px;
  font-size: 17px;
  border-radius: 8px;
}

.m-btn-block {
  display: flex;
  width: 100%;
  text-align: center;
}

/* ── Section Utilities ──────────────────────────── */
.m-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 10px;
}

.m-section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 14px 0;
  line-height: 1.2;
}

.m-section-sub {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 44px 0;
  max-width: 580px;
}

.m-center { text-align: center; }
.m-center .m-section-sub { margin-left: auto; margin-right: auto; }

/* ── Navigation ─────────────────────────────────── */
.m-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.m-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.m-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 15px;
}

.m-nav-brand img {
  height: 34px;
  width: auto;
}

.m-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Hero ───────────────────────────────────────── */
.m-hero {
  background: linear-gradient(140deg, #0f172a 0%, #1e3a5f 55%, #0d2248 100%);
  color: #fff;
  padding: 88px 0 80px;
  position: relative;
  overflow: hidden;
}

.m-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.m-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.m-hero-badge {
  display: inline-block;
  background: rgba(245,158,11,0.15);
  color: var(--gold);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.m-hero-title {
  font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 18px 0;
  color: #fff;
}

.m-hero-title .highlight { color: var(--gold); }

.m-hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  margin: 0 0 30px 0;
  line-height: 1.75;
}

.m-hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.m-hero-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.m-hero-trust span {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 6px;
}

.m-hero-trust span::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
}

.m-hero-image { text-align: center; }

.m-hero-image img {
  max-width: 100%;
  max-height: 560px;
  width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.45));
  border-radius: 10px;
}

/* ── Trust Strip ────────────────────────────────── */
.m-trust-strip {
  background: var(--navy);
  padding: 16px 0;
}

.m-trust-strip-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.m-trust-item {
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

/* ── Features ───────────────────────────────────── */
.m-features {
  padding: 80px 0;
  background: var(--surface);
}

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

.m-feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}

.m-feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.m-feature-icon {
  font-size: 30px;
  margin-bottom: 14px;
  display: block;
}

.m-feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 10px 0;
  line-height: 1.3;
}

.m-feature-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.m-feature-card ul li {
  font-size: 13px;
  color: var(--muted);
  padding: 4px 0 4px 18px;
  position: relative;
}

.m-feature-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 11px;
  top: 5px;
}

/* ── Testimonials ───────────────────────────────── */
.m-testimonials {
  padding: 80px 0;
  background: #fff;
}

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

.m-tcard {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}

.m-tcard-quote {
  font-size: 15px;
  color: var(--text);
  font-style: italic;
  line-height: 1.7;
  margin: 0 0 20px 0;
  position: relative;
}

.m-tcard-quote::before {
  content: '\201C';
  font-size: 52px;
  color: var(--blue);
  opacity: 0.18;
  display: block;
  line-height: 1;
  margin-bottom: 6px;
  font-family: Georgia, serif;
  font-style: normal;
}

.m-tcard-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.m-tcard-author img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.m-tcard-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
}

.m-tcard-role {
  font-size: 12px;
  color: var(--muted);
}

/* ── Video ──────────────────────────────────────── */
.m-video {
  padding: 80px 0;
  background: var(--surface);
}

.m-video-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.m-video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.m-video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ── Bundle Cards ───────────────────────────────── */
.m-bundles {
  padding: 80px 0;
  background: #fff;
}

.m-bundles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.m-bundle-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.m-bundle-card:hover { box-shadow: var(--shadow-lg); }

.m-bundle-head {
  background: var(--navy);
  color: #fff;
  padding: 28px;
}

.m-bundle-head.premium {
  background: linear-gradient(135deg, #1d4ed8, #0f172a);
}

.m-bundle-head h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: #fff;
}

.m-bundle-head p {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin: 0;
}

.m-bundle-price {
  font-size: 38px;
  font-weight: 800;
  color: var(--gold);
  margin: 14px 0 0 0;
  line-height: 1;
}

.m-bundle-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.m-bundle-body {
  padding: 24px 28px 28px;
}

.m-bundle-intro {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 16px 0;
}

.m-book-list {
  list-style: none;
  margin: 0 0 22px 0;
  padding: 0;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 0;
}

.m-book-list::-webkit-scrollbar { width: 4px; }
.m-book-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.m-book-list li {
  font-size: 13px;
  color: var(--text);
  padding: 7px 14px 7px 32px;
  border-bottom: 1px solid #f1f5f9;
  position: relative;
}

.m-book-list li:last-child { border-bottom: none; }

.m-book-list li::before {
  content: '📖';
  position: absolute;
  left: 10px;
  font-size: 11px;
  top: 8px;
}

.m-audience h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.m-audience ul {
  list-style: none;
  margin: 0 0 20px 0;
  padding: 0;
}

.m-audience li {
  font-size: 13px;
  color: var(--muted);
  padding: 3px 0 3px 18px;
  position: relative;
}

.m-audience li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
}

/* ── Why Choose Us ──────────────────────────────── */
.m-why {
  padding: 80px 0;
  background: var(--surface);
}

.m-why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.m-why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.m-why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.m-why-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 10px;
  background: rgba(37,99,235,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.m-why-text h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 4px 0;
}

.m-why-text p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.m-why-image img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ── Screenshots Preview ────────────────────────── */
.m-preview {
  padding: 60px 0;
  background: #fff;
}

.m-preview-gallery {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.m-preview-gallery a img {
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
}

.m-preview-gallery a:hover img {
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}

/* ── Pricing ────────────────────────────────────── */
.m-pricing {
  padding: 80px 0;
  background: var(--surface);
}

.m-pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 840px;
  margin: 0 auto;
  align-items: start;
}

.m-pricing-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 2px solid var(--border);
  position: relative;
  transition: box-shadow 0.2s;
}

.m-pricing-card:hover { box-shadow: var(--shadow-lg); }

.m-pricing-card.featured {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.m-pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  padding: 5px 18px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.m-pc-name {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 5px 0;
  color: var(--navy);
}

.m-pricing-card.featured .m-pc-name { color: #fff; }

.m-pc-tag {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 22px 0;
}

.m-pricing-card.featured .m-pc-tag { color: rgba(255,255,255,0.55); }

.m-pc-amount {
  font-size: 54px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin: 0 0 4px 0;
}

.m-pricing-card.featured .m-pc-amount { color: var(--gold); }

.m-pc-period {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 24px 0;
}

.m-pricing-card.featured .m-pc-period { color: rgba(255,255,255,0.45); }

.m-pc-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

.m-pricing-card.featured .m-pc-divider { border-color: rgba(255,255,255,0.15); }

.m-pc-features {
  list-style: none;
  margin: 0 0 26px 0;
  padding: 0;
}

.m-pc-features li {
  font-size: 13px;
  color: var(--text);
  padding: 7px 0 7px 22px;
  position: relative;
}

.m-pricing-card.featured .m-pc-features li { color: rgba(255,255,255,0.82); }

.m-pc-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* ── Author ─────────────────────────────────────── */
.m-author {
  padding: 80px 0;
  background: var(--navy);
  color: #fff;
}

.m-author-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
}

.m-author-avatar img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.2);
  object-fit: cover;
}

.m-author-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 14px 0;
  color: #fff;
}

.m-author-content p {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  line-height: 1.75;
  margin: 0 0 10px 0;
}

.m-author-content p:last-child { margin-bottom: 0; }

.m-author-cta { text-align: center; }

.m-author-cta-label {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  margin: 10px 0 0 0;
  text-align: center;
}

/* ── Footer ─────────────────────────────────────── */
.m-footer {
  background: #060d1a;
  padding: 36px 0;
}

.m-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.m-footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.m-footer-links a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.m-footer-links a:hover { color: rgba(255,255,255,0.85); }

.m-footer-copy {
  color: rgba(255,255,255,0.35);
  font-size: 13px;
  margin: 0;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 960px) {
  .m-hero-inner { grid-template-columns: 1fr; text-align: center; }
  .m-hero-cta { justify-content: center; }
  .m-hero-trust { justify-content: center; }
  .m-hero-image { order: -1; }
  .m-hero-image img { max-height: 340px; }

  .m-features-grid { grid-template-columns: repeat(2, 1fr); }
  .m-testimonials-grid { grid-template-columns: 1fr; }
  .m-bundles-grid { grid-template-columns: 1fr; }
  .m-pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .m-pricing-card.featured { transform: none; }
  .m-why-inner { grid-template-columns: 1fr; }
  .m-author-inner { grid-template-columns: 1fr; text-align: center; }
  .m-author-avatar { display: flex; justify-content: center; }
  .m-author-cta { display: flex; flex-direction: column; align-items: center; }
}

@media (max-width: 640px) {
  .m-hero { padding: 52px 0 44px; }
  .m-features-grid { grid-template-columns: 1fr; }
  .m-hero-cta { flex-direction: column; }
  .m-hero-cta .m-btn { width: 100%; justify-content: center; }
  .m-footer-inner { flex-direction: column; align-items: flex-start; }
  .m-nav-actions .m-btn-outline-dark { display: none; }
  .m-trust-strip-inner { gap: 16px; }
}