:root {
  --color-primary: #1e2a5e;
  --color-accent: #ffd166;
  --color-green: #3fa34d;
  --color-surface: #f4efe6;
  --color-white: #ffffff;
  --color-text: #2b2b2b;
  --color-muted: #5f6477;
  --color-border: rgba(30, 42, 94, 0.12);
  --shadow-soft: 0 18px 40px rgba(30, 42, 94, 0.10);
  --shadow-card: 0 10px 24px rgba(30, 42, 94, 0.08);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --container: 1180px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Nunito", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(255, 209, 102, 0.22), transparent 28%),
    linear-gradient(180deg, #fffdfa 0%, var(--color-surface) 100%);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(30, 42, 94, 0.08);
}

.navbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  color: var(--color-primary);
}

.brand-kicker {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand strong,
.section-heading h2,
.hero h1,
.page-hero h1,
.product-content h2,
.product-content h3,
.content-card h2,
.contact-card h2,
.cta-box h2,
.benefit-item h3,
.info-card h3,
.site-footer h2,
.mini-book-card h2 {
  font-family: "Poppins", sans-serif;
}

.brand strong {
  font-size: 1.2rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-menu a {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  color: var(--color-primary);
  transition: background var(--transition), color var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(30, 42, 94, 0.08);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 16px;
  background: rgba(30, 42, 94, 0.08);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-primary);
  border-radius: 2px;
}

.hero,
.page-hero {
  padding: 4.75rem 0 3rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
}

.hero-copy,
.page-hero .container,
.section-heading,
.content-card,
.contact-card {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 209, 102, 0.24);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 1rem 0 0.8rem;
  font-size: clamp(2.2rem, 4vw, 4.3rem);
  line-height: 1.12;
  color: var(--color-primary);
}

.hero-subtitle {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-green);
}

.hero p,
.page-hero p,
.section-heading p,
.product-content p,
.content-card p,
.info-card p,
.benefit-item p,
.contact-card p,
.mini-book-card p,
.highlight-panel p {
  font-size: 1.02rem;
  color: var(--color-muted);
}

.hero-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.9rem 1.35rem;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 10px 20px rgba(30, 42, 94, 0.18);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  border: 1px solid rgba(30, 42, 94, 0.12);
}

.btn-ghost {
  background: rgba(255, 209, 102, 0.18);
  color: var(--color-primary);
}

.hero-panel {
  position: relative;
}

.hero-stack {
  display: grid;
  gap: 1rem;
}

.mini-book-card,
.info-card,
.benefit-item,
.content-card,
.contact-card,
.highlight-panel,
.product-card,
.cta-box {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.mini-book-card {
  padding: 1.4rem;
}

.mini-book-card.accent {
  background: linear-gradient(145deg, rgba(63, 163, 77, 0.10), rgba(255, 255, 255, 0.96));
}

.mini-book-badge,
.product-tag {
  display: inline-flex;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(63, 163, 77, 0.12);
  color: var(--color-green);
  font-size: 0.84rem;
  font-weight: 800;
}

.section {
  padding: 1rem 0 4rem;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.65) 100%);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin: 0.9rem 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.2;
  color: var(--color-primary);
}

.card-grid,
.benefits-grid,
.content-grid,
.contact-layout {
  display: grid;
  gap: 1.25rem;
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.info-card,
.benefit-item,
.content-card,
.contact-card {
  padding: 1.6rem;
}

.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.35), rgba(63, 163, 77, 0.18));
  color: var(--color-primary);
  font-weight: 900;
  font-family: "Poppins", sans-serif;
}

.featured-card,
.product-list-card {
  overflow: hidden;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-cover {
  position: relative;
  min-height: 260px;
  background:
    linear-gradient(160deg, rgba(30, 42, 94, 0.96), rgba(63, 163, 77, 0.76)),
    linear-gradient(180deg, rgba(255, 209, 102, 0.25), rgba(244, 239, 230, 0.20));
}

.product-cover img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.product-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(30, 42, 94, 0.18) 100%);
  pointer-events: none;
}

.product-content {
  padding: 1.5rem;
}

.product-content h2,
.product-content h3 {
  margin: 0.8rem 0 0.65rem;
  color: var(--color-primary);
}

.muted {
  color: var(--color-muted);
}

.benefits-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cta-section {
  padding-bottom: 5rem;
}

.cta-box {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.75rem;
  background:
    linear-gradient(135deg, rgba(30, 42, 94, 0.95), rgba(45, 71, 142, 0.92)),
    radial-gradient(circle at top right, rgba(255, 209, 102, 0.32), transparent 28%);
  color: var(--color-white);
}

.cta-box .eyebrow,
.cta-box h2,
.cta-box p {
  color: var(--color-white);
}

.cta-box .eyebrow {
  background: rgba(255, 255, 255, 0.16);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filter-btn {
  padding: 0.82rem 1.1rem;
  border: 1px solid rgba(30, 42, 94, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  font-weight: 800;
  transition: all var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.products-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pricing-box,
.includes-box,
.contact-note {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 230, 0.82);
}

.pricing-box p,
.includes-box h3,
.includes-box ul,
.contact-note h3,
.contact-note p {
  margin: 0;
}

.includes-box h3,
.contact-note h3 {
  margin-bottom: 0.65rem;
  color: var(--color-primary);
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
}

.includes-box ul {
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.content-grid,
.contact-layout {
  grid-template-columns: 1fr;
}

.highlight-panel {
  padding: 1.6rem;
  max-width: 900px;
}

.contact-form {
  display: grid;
  gap: 0.7rem;
}

.contact-form label {
  font-weight: 700;
  color: var(--color-primary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(30, 42, 94, 0.15);
  border-radius: 18px;
  background: #fffdf9;
  color: var(--color-text);
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-link {
  display: inline-flex;
  margin-top: 0.8rem;
  color: var(--color-primary);
  font-weight: 800;
}

.site-footer {
  padding: 3rem 0;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.88);
}

.footer-grid {
  display: grid;
  gap: 1.4rem;
}

.site-footer h2 {
  margin: 0 0 0.55rem;
  color: var(--color-white);
  font-size: 1.15rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.footer-copy {
  margin: 0;
  font-size: 0.94rem;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 15;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(30, 42, 94, 0.20);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.is-hidden {
  display: none !important;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .content-grid,
  .contact-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr auto;
    align-items: start;
  }
}

@media (max-width: 767px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(30, 42, 94, 0.10);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a {
    text-align: center;
  }
}