/* ============================================
   RENDA COM IA — Landing Page Styles
   ============================================ */

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

:root {
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --purple-dark: #5b21b6;
  --green: #10b981;
  --green-light: #34d399;
  --dark: #0f0f1a;
  --dark-2: #1a1a2e;
  --dark-3: #16213e;
  --gray: #6b7280;
  --gray-light: #f3f4f6;
  --white: #ffffff;
  --text: #1f2937;
  --text-light: #4b5563;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(124,58,237,0.12);
  --shadow-lg: 0 12px 48px rgba(124,58,237,0.18);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 800; line-height: 1.2; }
h3 { font-size: 1.125rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p { color: var(--text-light); }
strong { color: var(--text); }

.gradient-text {
  background: linear-gradient(135deg, var(--purple-light), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--dark-2);
  color: var(--white);
}
.section-dark h2, .section-dark h3, .section-dark strong { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.7); }

.section-accent {
  background: linear-gradient(135deg, #1a0533 0%, #0d1b3e 100%);
  color: var(--white);
}
.section-accent h2, .section-accent h3, .section-accent strong { color: var(--white); }
.section-accent p { color: rgba(255,255,255,0.75); }

.section-cta {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
  color: var(--white);
}
.section-cta h2, .section-cta strong { color: var(--white); }

.text-center { text-align: center; }

.section-header { margin-bottom: 3rem; }
.section-title { margin-bottom: 1rem; }
.section-sub { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 1rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: var(--white);
  padding: 14px 32px;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--purple-light);
  padding: 10px 24px;
  font-size: 0.9rem;
  border: 2px solid var(--purple-light);
}
.btn-outline:hover {
  background: var(--purple-light);
  color: var(--white);
}

.btn-lg { padding: 18px 40px; font-size: 1.1rem; }
.btn-xl { padding: 20px 48px; font-size: 1.2rem; margin: 1.5rem 0 0.75rem; display: inline-flex; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo span { color: var(--purple-light); }

/* ===== HERO ===== */
.hero {
  position: relative;
  background: var(--dark);
  color: var(--white);
  padding: 100px 0 80px;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 20%, rgba(124,58,237,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(16,185,129,0.15) 0%, transparent 60%);
}

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

.badge {
  display: inline-block;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(167,139,250,0.4);
  color: var(--purple-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.hero h1 { color: var(--white); margin-bottom: 1.25rem; }

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-sub strong { color: var(--white); }

.hero-note {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.75rem;
}

.hero-mockup {
  margin-top: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

/* E-BOOK COVER */
.ebook-cover {
  width: 180px;
  height: 250px;
  background: linear-gradient(135deg, var(--purple-dark) 0%, #1a0533 100%);
  border-radius: 8px 16px 16px 8px;
  box-shadow:
    -4px 0 0 rgba(255,255,255,0.05),
    0 24px 64px rgba(124,58,237,0.4),
    inset 0 0 60px rgba(167,139,250,0.08);
  border: 1px solid rgba(167,139,250,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: perspective(600px) rotateY(-8deg);
  transition: transform 0.4s ease;
}
.ebook-cover:hover { transform: perspective(600px) rotateY(0deg); }

.cover-inner { text-align: center; padding: 1rem; }
.cover-badge {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--purple-light);
  border: 1px solid var(--purple-light);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.cover-inner h2 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.cover-inner p { font-size: 0.7rem; color: rgba(255,255,255,0.65); }
.cover-year {
  margin-top: 1.25rem;
  font-size: 0.6rem;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
}

/* STATS */
.hero-stats {
  display: flex;
  gap: 2rem;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-light), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-align: center;
  line-height: 1.3;
}

/* ===== PAIN SECTION ===== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.pain-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.5rem;
  font-size: 1.5rem;
  line-height: 1;
}
.pain-card p {
  font-size: 0.9rem;
  margin-top: 0.75rem;
  color: rgba(255,255,255,0.65);
}
.pain-card p strong { color: var(--white); }

.section-highlight {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85) !important;
  margin-top: 1.5rem;
}
.section-highlight strong { color: var(--purple-light) !important; }

/* ===== STRATEGIES ===== */
.strategies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.strategy-card {
  display: flex;
  gap: 1.25rem;
  background: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.strategy-card:hover {
  border-color: var(--purple-light);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.strategy-num {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}
.strategy-body h3 { margin-bottom: 0.5rem; }
.strategy-body p { font-size: 0.9rem; }
.strategy-gain {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  background: rgba(16,185,129,0.08);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
}

/* ===== BONUS ===== */
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.bonus-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
}
.bonus-card:hover {
  background: rgba(124,58,237,0.12);
  border-color: var(--purple-light);
  transform: translateY(-3px);
}
.bonus-icon { font-size: 2.25rem; margin-bottom: 0.75rem; }
.bonus-card h4 { color: var(--white); margin-bottom: 0.5rem; }
.bonus-card p { font-size: 0.875rem; }

/* ===== FIT SECTION ===== */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.fit-list {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fit-list li {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
}
.fit-yes li {
  background: rgba(16,185,129,0.08);
  border-left: 3px solid var(--green);
  color: var(--text);
}
.fit-no li {
  background: rgba(239,68,68,0.07);
  border-left: 3px solid #ef4444;
  color: var(--text);
}
.honest-box {
  margin-top: 2rem;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
}
.honest-box strong { font-size: 0.95rem; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: left;
}
.testimonial-card > p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: var(--white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--white);
}
.testimonial-author span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

/* ===== PRICE BOX ===== */
.price-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 480px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.price-from {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
}
.price-main {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  margin: 0.25rem 0;
}
.price-main span {
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--purple-light), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.price-note { font-size: 0.85rem; color: rgba(255,255,255,0.5); }

.cta-note { font-size: 0.82rem; color: rgba(255,255,255,0.45); }

.guarantee-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: left;
  margin-top: 1.5rem;
}
.guarantee-icon { font-size: 2rem; flex-shrink: 0; }
.guarantee-box strong { color: var(--green-light); display: block; margin-bottom: 0.25rem; }
.guarantee-box p { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ===== WHAT YOU GET ===== */
.what-you-get {
  margin-top: 2.5rem;
  text-align: left;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.what-you-get h3 { color: var(--white); margin-bottom: 1rem; }
.what-you-get ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.what-you-get li {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: var(--white);
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: inherit;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--gray-light); }
.faq-icon {
  font-size: 1.4rem;
  color: var(--purple);
  flex-shrink: 0;
  font-weight: 400;
  transition: transform var(--transition);
}
.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  background: var(--white);
}
.faq-answer p { font-size: 0.95rem; line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ===== FOOTER ===== */
.site-footer {
  background: #080810;
  color: rgba(255,255,255,0.45);
  padding: 4rem 0 2rem;
  font-size: 0.85rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 2rem;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.footer-logo span { color: var(--purple-light); }
.footer-tagline { font-size: 0.85rem; color: rgba(255,255,255,0.4); line-height: 1.6; }
.footer-links-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links-col strong { color: rgba(255,255,255,0.7); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.25rem; }
.footer-links-col a { color: rgba(255,255,255,0.4); text-decoration: none; font-size: 0.85rem; transition: color var(--transition); }
.footer-links-col a:hover { color: var(--purple-light); }
.footer-bottom { text-align: center; }
.footer-note {
  max-width: 540px;
  margin: 0.5rem auto 0;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

/* ===== SITE NAV ===== */
.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a:not(.btn) {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.site-nav a:not(.btn):hover { color: var(--white); }

/* ===== STEPS (Como Funciona) ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 42px;
  left: calc(16.66% + 1rem);
  right: calc(16.66% + 1rem);
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--green));
  opacity: 0.3;
}
.step-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}
.step-card:hover { border-color: rgba(124,58,237,0.3); background: rgba(124,58,237,0.05); transform: translateY(-3px); }
.step-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: white;
  font-size: 0.7rem;
  font-weight: 900;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.step-card h3 { color: var(--white); margin-bottom: 0.75rem; }
.step-card p { font-size: 0.9rem; line-height: 1.65; }

/* ===== COMPARISON TABLE ===== */
.compare-table {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.compare-header {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  background: rgba(255,255,255,0.04);
}
.compare-header > div:first-child { padding: 1rem 1.5rem; }
.compare-col {
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  border-left: 1px solid rgba(255,255,255,0.06);
}
.compare-col span { display: block; font-size: 0.72rem; font-weight: 500; color: rgba(255,255,255,0.45); margin-top: 2px; }
.vol1-col { color: var(--purple-light); }
.vol2-col { color: #5eead4; }
.vol3-col { color: #fbbf24; }
.compare-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.compare-row:nth-child(even) { background: rgba(255,255,255,0.015); }
.compare-label {
  padding: 1rem 1.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
}
.compare-row .compare-col {
  font-weight: 400;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-cta-row { background: rgba(255,255,255,0.03) !important; }
.compare-cta-row .compare-label { font-weight: 700; color: rgba(255,255,255,0.8); }
.compare-btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition);
}
.vol1-btn { background: rgba(167,139,250,0.15); color: var(--purple-light); border: 1px solid rgba(167,139,250,0.35); }
.vol1-btn:hover { background: rgba(167,139,250,0.28); }
.vol2-btn { background: rgba(94,234,212,0.12); color: #5eead4; border: 1px solid rgba(94,234,212,0.3); }
.vol2-btn:hover { background: rgba(94,234,212,0.22); }
.vol3-btn { background: rgba(251,191,36,0.12); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }
.vol3-btn:hover { background: rgba(251,191,36,0.22); }
.compare-kit-cta {
  text-align: center;
  margin-top: 2.5rem;
  padding: 2rem;
  background: rgba(124,58,237,0.08);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-lg);
}
.compare-kit-cta p { font-size: 1rem; margin-bottom: 1.25rem; color: rgba(255,255,255,0.8); }
.compare-kit-cta strong { color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 0 60px; }
  .hero-mockup { flex-direction: column; gap: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .fit-grid { grid-template-columns: 1fr; }
  .strategies-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .bonus-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 0; }
  .what-you-get { margin-top: 2rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .compare-table { overflow-x: auto; }
  .compare-header, .compare-row { grid-template-columns: 1.2fr 1fr 1fr 1fr; min-width: 580px; }
  .site-nav a:not(.btn) { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .bonus-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .price-box { padding: 1.75rem 1.25rem; }
}

/* ===== NUMBERS GRID ===== */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.number-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 2rem 1rem;
  transition: all var(--transition);
}
.number-card:hover {
  background: rgba(124,58,237,0.12);
  border-color: var(--purple-light);
  transform: translateY(-3px);
}
.number-card .number {
  font-size: 2.75rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--purple-light), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.number-card .number-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

/* ===== BOOK BUNDLE GRID ===== */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}
.book-card {
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition);
}
.book-card-vol1 {
  background: linear-gradient(135deg, rgba(91,33,182,0.15), rgba(26,5,51,0.6));
  border: 1px solid rgba(167,139,250,0.25);
}
.book-card-vol2 {
  background: linear-gradient(135deg, rgba(13,148,136,0.15), rgba(2,26,24,0.6));
  border: 1px solid rgba(94,234,212,0.25);
}
.book-card-vol3 {
  background: linear-gradient(135deg, rgba(217,119,6,0.15), rgba(28,20,0,0.6));
  border: 1px solid rgba(251,191,36,0.25);
}
.book-card:hover { transform: translateY(-4px); }
.book-card .vol-tag {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  width: fit-content;
}
.book-card-vol1 .vol-tag { background: rgba(167,139,250,0.2); color: var(--purple-light); border: 1px solid rgba(167,139,250,0.3); }
.book-card-vol2 .vol-tag { background: rgba(94,234,212,0.15); color: #5eead4; border: 1px solid rgba(94,234,212,0.3); }
.book-card-vol3 .vol-tag { background: rgba(251,191,36,0.15); color: #fbbf24; border: 1px solid rgba(251,191,36,0.3); }
.book-card h4 { color: var(--white); font-size: 1.05rem; }
.book-card p { font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.book-card .book-items { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.25rem; }
.book-card .book-items li { font-size: 0.82rem; color: rgba(255,255,255,0.55); }
.book-card .book-price { font-size: 1.1rem; font-weight: 800; color: var(--white); margin-top: auto; padding-top: 0.5rem; }
.book-card .book-price span { font-size: 0.75rem; font-weight: 500; color: rgba(255,255,255,0.4); text-decoration: line-through; margin-right: 0.35rem; }
.btn-book { display: block; width: 100%; text-align: center; padding: 0.65rem 1rem; border-radius: var(--radius); font-size: 0.85rem; font-weight: 700; text-decoration: none; margin-top: 0.75rem; transition: all var(--transition); }
.book-card-vol1 .btn-book { background: rgba(167,139,250,0.2); color: var(--purple-light); border: 1px solid rgba(167,139,250,0.4); }
.book-card-vol1 .btn-book:hover { background: rgba(167,139,250,0.35); }
.book-card-vol2 .btn-book { background: rgba(94,234,212,0.15); color: #5eead4; border: 1px solid rgba(94,234,212,0.35); }
.book-card-vol2 .btn-book:hover { background: rgba(94,234,212,0.28); }
.book-card-vol3 .btn-book { background: rgba(251,191,36,0.15); color: #fbbf24; border: 1px solid rgba(251,191,36,0.35); }
.book-card-vol3 .btn-book:hover { background: rgba(251,191,36,0.28); }