/* ============================================
   base.css — Shared styles for nawrasalali.com
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Core palette */
  --bg-primary: #0A1628;
  --bg-secondary: #0F1D32;
  --bg-card: #132238;
  --bg-card-hover: #1A2D4A;
  --surface-border: rgba(212, 165, 116, 0.15);

  /* Gold accent */
  --gold: #D4A574;
  --gold-bright: #E8C49A;
  --gold-dark: #B8860B;
  --gold-glow: rgba(212, 165, 116, 0.2);

  /* Text */
  --text-primary: #F0EDE8;
  --text-secondary: #A0A8B8;
  --text-muted: #6B7280;

  /* Page accent (overridden per book page) */
  --accent: #D4A574;
  --accent-glow: rgba(212, 165, 116, 0.2);

  /* Crimson (Prepare Now) */
  --crimson: #c41919;
  --crimson-glow: rgba(196, 25, 25, 0.2);

  /* Sunflower (Sunflower Secret) */
  --sunflower: #FDB813;
  --sunflower-glow: rgba(253, 184, 19, 0.2);

  /* Layout */
  --container-max: 1320px;
  --container-narrow: 860px;
  --nav-height: 72px;
  --section-gap: 120px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-med: 0.4s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-smooth);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--gold-bright);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
  color: var(--text-primary);
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.3rem); }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 48px;
  }
}

@media (min-width: 1440px) {
  .container {
    padding: 0 64px;
  }
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Section --- */
.section {
  padding: 100px 0;
}

.section__label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent, var(--gold));
  margin-bottom: 16px;
}

.section__title {
  margin-bottom: 20px;
}

.section__subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 600px;
  line-height: 1.7;
}

.section__divider {
  width: 60px;
  height: 3px;
  background: var(--accent, var(--gold));
  border-radius: 2px;
  margin: 24px 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent, var(--gold)), var(--gold-dark));
  color: #0A1628;
  box-shadow: 0 4px 20px var(--accent-glow, var(--gold-glow));
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow, var(--gold-glow));
  color: #0A1628;
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--surface-border);
}
.btn--secondary:hover {
  border-color: var(--accent, var(--gold));
  color: var(--accent, var(--gold));
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(212, 165, 116, 0.08);
  color: var(--gold);
  border: 1px solid rgba(212, 165, 116, 0.2);
}
.btn--ghost:hover {
  background: rgba(212, 165, 116, 0.15);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-med);
}

.nav.scrolled {
  border-bottom-color: var(--surface-border);
  background: rgba(10, 22, 40, 0.95);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
}

.nav__logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}
.nav__link:hover {
  color: var(--text-primary);
}

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  background: none;
  border: none;
  font-family: 'DM Sans', sans-serif;
}
.nav__dropdown-trigger:hover {
  color: var(--text-primary);
}

.nav__dropdown-trigger svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.nav__dropdown.active .nav__dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.nav__dropdown.active .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-item {
  display: block;
  padding: 10px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav__dropdown-item:hover {
  background: rgba(212, 165, 116, 0.08);
  color: var(--text-primary);
}

.nav__cta {
  margin-left: 8px;
}

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  padding: 32px 24px;
  overflow-y: auto;
}

.nav__mobile.active {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav__mobile a, .nav__mobile-heading {
  display: block;
  padding: 14px 16px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav__mobile a:hover {
  background: rgba(212, 165, 116, 0.08);
  color: var(--text-primary);
}

.nav__mobile-heading {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding-top: 20px;
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--surface-border);
  padding: 64px 0 32px;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.footer__brand-logo svg {
  width: 36px;
  height: 36px;
}

.footer__brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer__heading {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}

.footer__links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}
.footer__links a:hover {
  color: var(--gold);
}

.footer__bottom {
  border-top: 1px solid var(--surface-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer__attribution {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer__attribution a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer__attribution a:hover {
  color: var(--gold);
}

/* --- Book Cards --- */
.book-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-med);
  text-decoration: none;
  display: block;
}
.book-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  border-color: var(--accent, var(--gold));
}

.book-card__image {
  position: relative;
  padding: 32px 32px 0;
  display: flex;
  justify-content: center;
}

.book-card__image img {
  width: 180px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  transition: transform var(--transition-med);
}

.book-card:hover .book-card__image img {
  transform: translateY(-4px);
}

.book-card__content {
  padding: 24px 32px 32px;
}

.book-card__number {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent, var(--gold));
  margin-bottom: 8px;
}

.book-card__title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.book-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Pricing Cards --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition-med);
  position: relative;
}

.pricing-card--popular {
  border-color: var(--accent, var(--gold));
  transform: scale(1.04);
  box-shadow: 0 8px 40px var(--accent-glow, var(--gold-glow));
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent, var(--gold));
  color: #0A1628;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 20px;
}

.pricing-card__format {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-card__price {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-card__price .currency {
  font-size: 1.4rem;
  vertical-align: super;
}

.pricing-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-card__coming-soon {
  display: inline-block;
  padding: 16px 32px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

/* --- Feature Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all var(--transition-fast);
}
.feature-card:hover {
  border-color: var(--accent, var(--gold));
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--accent, var(--gold));
}
.feature-card__icon svg {
  width: 36px;
  height: 36px;
}

.feature-card__title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.feature-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Quote Block --- */
.quote-block {
  border-left: 3px solid var(--accent, var(--gold));
  padding: 32px 40px;
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 48px 0;
}

.quote-block__text {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.quote-block__author {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
  text-align: center;
  margin: 48px 0;
}

.stat__number {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent, var(--gold));
  margin-bottom: 4px;
}

.stat__label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(212, 165, 116, 0.08) 100%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  margin: 80px 0;
}

.cta-banner h2 {
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Chapter List --- */
.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chapter-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.chapter-item:hover {
  border-color: var(--accent, var(--gold));
}

.chapter-item__number {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent, var(--gold));
  min-width: 32px;
}

.chapter-item__title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* --- Illustration Gallery --- */
.illustration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.illustration-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--surface-border);
  transition: all var(--transition-med);
}
.illustration-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.illustration-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-accent { color: var(--accent); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.mt-5 { margin-top: 48px; }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__cta {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }

  .section {
    padding: 64px 0;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing-card--popular {
    transform: none;
  }

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

  .cta-banner {
    padding: 40px 24px;
  }

  .quote-block {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .btn {
    padding: 14px 24px;
    font-size: 0.95rem;
  }

  .btn--lg {
    padding: 16px 28px;
    font-size: 1rem;
  }
}

/* =============================================
   DESKTOP ENHANCEMENTS (1024px+)
   ============================================= */
@media (min-width: 1024px) {
  /* Larger section padding for desktop breathing room */
  .section {
    padding: 120px 0;
  }

  /* Scale up typography for desktop */
  h1 { font-size: clamp(3rem, 4vw, 4.2rem); }
  h2 { font-size: clamp(2.2rem, 3vw, 3rem); }
  h3 { font-size: clamp(1.4rem, 2vw, 1.8rem); }
  p { font-size: 1.1rem; }

  .section__subtitle {
    font-size: 1.25rem;
    max-width: 700px;
  }

  /* Wider nav inner */
  .nav__inner {
    max-width: var(--container-max);
    padding: 0 48px;
  }

  /* Feature grid: always 3 columns on desktop */
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .feature-card {
    padding: 40px 32px;
  }

  /* Chapter list: 2 columns on desktop */
  .chapter-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* Stats row: spread across on desktop */
  .stats-row {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 40px;
    margin: 64px 0;
  }

  .stat__number {
    font-size: 2.8rem;
  }

  /* CTA banner: bigger on desktop */
  .cta-banner {
    padding: 80px 64px;
    margin: 100px 0;
  }

  .cta-banner p {
    font-size: 1.2rem;
  }

  /* Quote block bigger */
  .quote-block {
    padding: 40px 56px;
    margin: 64px 0;
  }

  .quote-block__text {
    font-size: 1.5rem;
  }

  /* Pricing grid: proper 3-col with bigger cards */
  .pricing-grid {
    max-width: 1100px;
    gap: 32px;
  }

  .pricing-card {
    padding: 48px 36px;
  }

  .pricing-card__price {
    font-size: 3.2rem;
  }

  /* Illustration grid: 3 columns on desktop */
  .illustration-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  /* Footer: wider spacing */
  .footer {
    padding: 80px 0 40px;
  }

  .footer__inner {
    max-width: var(--container-max);
    padding: 0 48px;
  }

  .footer__top {
    gap: 64px;
  }

  /* Book cards: larger images on desktop */
  .book-card__image img {
    width: 220px;
  }

  .book-card__content {
    padding: 28px 36px 36px;
  }

  .book-card__title {
    font-size: 1.35rem;
  }

  .book-card__desc {
    font-size: 0.95rem;
  }
}

/* Extra-wide desktop (1440px+) */
@media (min-width: 1440px) {
  :root {
    --container-max: 1400px;
  }

  .section {
    padding: 140px 0;
  }

  h1 { font-size: 4.2rem; }
  h2 { font-size: 3rem; }

  .stats-row {
    gap: 48px;
  }

  .stat__number {
    font-size: 3.2rem;
  }
}