/* ==========================================================================
   NABILA KHAN — LUXURY ORGANIC HENNA & ONLINE MEHNDI ACADEMY
   Master Stylesheet (HTML5 / Pure CSS3 / Vanilla Architecture)
   ========================================================================== */

/* --- Fonts & Base Reset --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette */
  --color-henna-dark: #162E20;        /* Deep Henna Green */
  --color-henna-primary: #1E3B2B;     /* Forest Green */
  --color-henna-light: #2D543F;      /* Muted Forest */
  --color-canvas-cream: #FAF7F2;      /* 60% Warm Cream Canvas */
  --color-surface-sand: #F3EFE8;      /* 30% Structural Sand / Beige */
  --color-surface-card: #FFFFFF;      /* Clean crisp card surface */
  --color-terracotta: #A35338;        /* Natural Henna Stain Terracotta */
  --color-terracotta-dark: #8C422A;
  --color-gold: #B3882E;              /* 10% Muted Gold Accent */
  --color-gold-hover: #9E7422;
  --color-text-main: #1D211E;         /* Deep Charcoal ink */
  --color-text-muted: #5E6760;        /* Refined herbal gray */
  --color-border-subtle: rgba(22, 46, 32, 0.08);
  --color-border-strong: rgba(22, 46, 32, 0.16);
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE5D;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(22, 46, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(22, 46, 32, 0.06);
  --shadow-lg: 0 16px 40px rgba(22, 46, 32, 0.08);

  /* Layout Container */
  --container-max: 1240px;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-canvas-cream);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-henna-dark);
  font-weight: 600;
  line-height: 1.25;
  text-wrap: balance;
}

p {
  color: var(--color-text-muted);
  font-size: 0.965rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font: inherit;
}

.tabular-num {
  font-variant-numeric: tabular-nums;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

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

.section-padding-sm {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

/* --- Section Headings --- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-henna-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: normal;
  text-align: center;
  word-break: normal;
  overflow-wrap: break-word;
  max-width: 100%;
  border: 1px solid transparent;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-henna-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-henna-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(22, 46, 32, 0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-henna-dark);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  background-color: var(--color-surface-sand);
  border-color: var(--color-henna-primary);
  color: var(--color-henna-primary);
}

.btn-gold {
  background-color: var(--color-gold);
  color: #FFFFFF;
}

.btn-gold:hover {
  background-color: var(--color-gold-hover);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border-color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.84rem;
  min-height: 36px;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.02rem;
  min-height: 48px;
}

.btn-block {
  width: 100%;
}

.btn-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-henna-primary);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.btn-card-link:hover {
  background-color: var(--color-surface-sand);
}

/* ==========================================================================
   GLOBAL HEADER & NAVIGATION (Top Bar Contract: 3 Zones)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(250, 247, 242, 0.98);
  box-shadow: 0 4px 20px rgba(22, 46, 32, 0.05);
  border-bottom-color: var(--color-border-strong);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  transition: height var(--transition-fast);
}

.site-header.scrolled .header-inner {
  height: 62px;
}

/* Zone 1: Wordmark Brand */
.brand-zone {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-monogram {
  width: 38px;
  height: 38px;
  background-color: var(--color-henna-primary);
  color: var(--color-canvas-cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  border: 1px solid var(--color-gold);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-henna-dark);
  letter-spacing: -0.01em;
}

/* Zone 2: Primary Nav Links */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.mobile-nav-cta {
  display: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-henna-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Zone 3: Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-wa {
  background-color: #E8F5E9;
  color: #1E7E34;
  border: 1px solid rgba(46, 125, 50, 0.2);
  padding: 0.5rem 1rem;
  font-size: 0.86rem;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.btn-header-wa:hover {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border-color: var(--color-whatsapp);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-henna-dark);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 4.5rem 0 5rem 0;
  background: linear-gradient(180deg, rgba(239, 235, 227, 0.6) 0%, var(--color-canvas-cream) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-tagline-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-tagline-kicker .spark-icon {
  width: 16px;
  height: 16px;
  fill: var(--color-gold);
}

.hero-headline {
  font-size: 3.25rem;
  line-height: 1.15;
  color: var(--color-henna-dark);
  margin-bottom: 1.5rem;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-terracotta);
}

.hero-subtext {
  font-size: 1.12rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-media-wrapper {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-sand);
}

.hero-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-frame:hover .hero-image {
  transform: scale(1.02);
}

.hero-floating-quote {
  position: absolute;
  bottom: -1.25rem;
  left: 2rem;
  right: 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border-subtle);
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-henna-dark);
  text-align: center;
}

/* ==========================================================================
   SECTION 5: TRUST / QUICK HIGHLIGHTS
   ========================================================================== */
.trust-strip {
  padding: 2.5rem 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-canvas-cream);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.trust-icon-box {
  width: 44px;
  height: 44px;
  background-color: #FFFFFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-henna-primary);
}

.trust-card-title {
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--color-henna-dark);
  margin-bottom: 0.2rem;
}

.trust-card-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SECTION 6: ABOUT BRAND SECTION
   ========================================================================== */
.about-brand-section {
  background-color: var(--color-canvas-cream);
}

.about-split-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.about-portrait-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-subtle);
}

.about-portrait {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-bio-prose {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.philosophy-item h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--color-henna-primary);
}

.philosophy-item p {
  font-size: 0.88rem;
}

/* ==========================================================================
   PRODUCT & COURSE CARDS (Clean Anti-Slop Unboxed Discipline)
   ========================================================================== */
.products-grid,
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card,
.course-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover,
.course-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.product-card-media,
.course-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-surface-sand);
  overflow: hidden;
  display: block;
}

.product-image,
.course-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image,
.course-card:hover .course-image {
  transform: scale(1.03);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(22, 46, 32, 0.85);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-badge.out-of-stock {
  background-color: #8C422A;
}

.product-card-body,
.course-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Unboxed Quiet Metadata */
.product-meta-row,
.course-meta-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.product-category-meta {
  color: var(--color-gold);
}

.product-dot-separator,
.meta-dot {
  color: #CCC;
}

.product-title,
.course-title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.product-title a,
.course-title a {
  color: var(--color-henna-dark);
}

.product-title a:hover,
.course-title a:hover {
  color: var(--color-terracotta);
}

.product-short-desc,
.course-short-desc {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-highlights-mini {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.highlight-tag {
  font-size: 0.76rem;
  color: var(--color-henna-primary);
  font-weight: 600;
  background-color: #F1F6F3;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.product-footer-row,
.course-footer-row {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price-wrapper,
.fee-amount {
  display: flex;
  align-items: baseline;
  color: var(--color-henna-dark);
  font-weight: 700;
}

.product-currency,
.fee-amount .currency {
  font-size: 0.95rem;
  margin-right: 2px;
}

.product-price-val,
.fee-amount .digits {
  font-size: 1.35rem;
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
}

.fee-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.product-actions-group,
.course-actions-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   FILTER & SEARCH CONTROLS (SHOP & COURSES)
   ========================================================================== */
.catalog-toolbar {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.search-and-sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 280px;
  max-width: 440px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 44px;
  padding-left: 2.75rem;
  padding-right: 1rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--color-text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-henna-primary);
  box-shadow: 0 0 0 3px rgba(30, 59, 43, 0.1);
}

.sort-select-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.sort-select {
  height: 44px;
  padding: 0 1rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--color-text-main);
  outline: none;
}

/* Segmented Filter Buttons */
.category-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 0.4rem;
  background-color: var(--color-surface-sand);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.category-filter-btn,
.course-filter-btn {
  background: transparent;
  border: none;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-filter-btn:hover,
.course-filter-btn:hover {
  color: var(--color-henna-dark);
}

.category-filter-btn.active,
.course-filter-btn.active {
  background-color: #FFFFFF;
  color: var(--color-henna-dark);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(22, 46, 32, 0.06);
}

.product-count-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-top: -0.5rem;
}

/* ==========================================================================
   PRODUCT DETAIL PAGE (PDP) & COURSE DETAIL PAGE
   ========================================================================== */
.product-pdp-layout,
.course-pdp-layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 4rem;
  align-items: flex-start;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.product-pdp-layout > *,
.course-pdp-layout > *,
.pdp-media-column,
.pdp-info-column {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.breadcrumb-trail a:hover {
  color: var(--color-henna-primary);
}

.crumb-separator {
  color: #CCC;
}

.current-crumb {
  color: var(--color-henna-dark);
  font-weight: 600;
}

.pdp-main-image-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-subtle);
}

.pdp-main-image,
.course-featured-banner {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pdp-assurance-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  margin-top: 1.5rem;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.pdp-assurance-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-henna-primary);
}

.pdp-title {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.pdp-meta-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pdp-category {
  color: var(--color-gold);
  font-weight: 600;
}

.pdp-stock-status.in-stock {
  color: #1E7E34;
  font-weight: 600;
}

.pdp-stock-status.out-of-stock {
  color: #8C422A;
  font-weight: 600;
}

.pdp-price-panel {
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 1.5rem;
}

.pdp-price-amount {
  display: flex;
  align-items: baseline;
  color: var(--color-henna-dark);
}

.pdp-price-amount .currency-symbol {
  font-size: 1.35rem;
  font-weight: 700;
  margin-right: 4px;
}

.pdp-price-amount .price-digits {
  font-size: 2.25rem;
  font-weight: 700;
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
}

.tax-shipping-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.pdp-short-description {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* Purchase Controller Card */
.pdp-purchase-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.quantity-controller-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.qty-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-henna-dark);
}

.qty-stepper-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 42px;
}

.qty-btn {
  background-color: var(--color-surface-sand);
  border: none;
  width: 40px;
  height: 100%;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-henna-dark);
}

.qty-btn:hover {
  background-color: #E6E1D8;
}

.qty-input {
  width: 50px;
  height: 100%;
  border: none;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-henna-dark);
  background: transparent;
}

.subtotal-indicator {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.subtotal-indicator strong {
  color: var(--color-henna-dark);
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
}

.pdp-pan-india-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.pdp-detail-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.pdp-section-heading,
.content-block-heading {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  color: var(--color-henna-dark);
}

.benefits-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.benefits-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.94rem;
  color: var(--color-text-main);
}

.check-icon {
  color: #1E7E34;
  font-weight: 700;
}

.pdp-ingredients-text {
  font-size: 0.9rem;
  background-color: #FFFFFF;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CHECKOUT & ENROLLMENT FLOW (Step 1 Form + Step 2 UPI Payment)
   ========================================================================== */
.checkout-layout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.checkout-form-column {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-header-bar {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.step-badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.form-title {
  font-size: 1.85rem;
  margin-bottom: 0.4rem;
}

.form-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.checkout-form {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-henna-dark);
}

.form-label .req {
  color: #D32F2F;
}

.form-control {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  min-width: 0;
  height: 46px;
  padding: 0 1rem;
  background-color: var(--color-canvas-cream);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 16px; /* 16px prevents iOS Safari from auto-zooming and overflowing the viewport */
  color: var(--color-text-main);
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background-color: #FFFFFF;
  border-color: var(--color-henna-primary);
  box-shadow: 0 0 0 3px rgba(30, 59, 43, 0.1);
}

.field-error {
  font-size: 0.78rem;
  color: #D32F2F;
  min-height: 1rem;
}

.form-submit-row {
  margin-top: 1rem;
}

/* Order Summary Column */
.summary-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 90px;
}

.summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.summary-title {
  font-size: 1.35rem;
}

.order-id-tag {
  font-size: 0.82rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-gold);
  background-color: #FAF4E6;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

.summary-item-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 1.5rem;
}

.summary-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-sand);
}

.summary-item-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-henna-dark);
  margin-bottom: 0.2rem;
}

.summary-item-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
}

.summary-item-price {
  font-weight: 700;
  color: var(--color-henna-primary);
  font-family: var(--font-sans);
}

.summary-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.breakdown-row.total-row {
  padding-top: 1rem;
  margin-top: 0.5rem;
  border-top: 2px dashed var(--color-border-subtle);
  color: var(--color-henna-dark);
}

.total-label {
  font-weight: 700;
  font-size: 1.05rem;
}

.total-amount {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-henna-primary);
  font-family: var(--font-sans);
}

.text-success {
  color: #1E7E34;
  font-weight: 600;
}

.free-shipping-hint {
  font-size: 0.78rem;
  color: var(--color-gold);
  text-align: right;
  margin-top: -0.25rem;
}

.payment-safety-notice {
  background-color: var(--color-canvas-cream);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid var(--color-border-subtle);
  display: flex;
  gap: 0.75rem;
}

.safety-icon {
  color: var(--color-gold);
  flex-shrink: 0;
}

.safety-text {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

/* ==========================================================================
   UPI PAYMENT STAGE & COMPLETION SCREEN (Sections 13, 14, 15, 16)
   ========================================================================== */
.payment-step-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.upi-action-box {
  background: linear-gradient(135deg, var(--color-henna-primary), var(--color-henna-dark));
  padding: 2rem;
  border-radius: var(--radius-xl);
  color: #FFFFFF;
  text-align: center;
}

.upi-prompt-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.98rem;
  margin-bottom: 1.25rem;
}

.btn-upi-pay {
  background-color: #FFFFFF;
  color: var(--color-henna-dark);
  font-size: 1.15rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-upi-pay:hover {
  background-color: var(--color-canvas-cream);
  transform: translateY(-2px);
}

.upi-micro-hint {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.85rem;
}

.upi-fallback-card {
  background-color: var(--color-canvas-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-strong);
  padding: 1.75rem;
}

.fallback-title {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.fallback-desc {
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}

.upi-id-copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FFFFFF;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.upi-id-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.upi-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.upi-code {
  font-family: monospace;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-henna-dark);
}

.qr-code-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
  background-color: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.qr-image-frame {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
  background-color: #FAFAFA;
  padding: 0.5rem;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.qr-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-instructions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.qr-inst-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-henna-dark);
}

.qr-inst-text {
  font-size: 0.88rem;
}

.qr-amount-pill {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-henna-primary);
  background-color: #E8F5E9;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  width: fit-content;
}

/* Section 15: Payment Completion Screen */
.payment-completion-module {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border-strong);
  padding: 2.25rem;
  text-align: center;
}

.completion-icon-ring {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #FAF4E6;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
}

.completion-heading {
  font-size: 1.6rem;
  margin-bottom: 0.65rem;
}

.completion-explanation {
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto 1.75rem auto;
}

.completion-action-box {
  max-width: 480px;
  margin: 0 auto;
}

.verification-disclaimer {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 0.85rem;
  line-height: 1.4;
}

/* ==========================================================================
   ACADEMY COURSE DETAILS (Syllabus & Curriculum)
   ========================================================================== */
.course-page-title {
  font-size: 2.75rem;
  margin-bottom: 0.75rem;
}

.course-meta-pills {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.course-meta-pills strong {
  color: var(--color-henna-dark);
}

.course-content-block {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
}

.learning-outcomes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.outcome-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: #FFFFFF;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.outcome-icon {
  color: #1E7E34;
  flex-shrink: 0;
  margin-top: 2px;
}

.outcome-text {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

.curriculum-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.module-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: #FFFFFF;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.module-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
}

.module-title {
  font-size: 1.05rem;
  color: var(--color-henna-dark);
  margin-bottom: 0.2rem;
}

.module-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.audience-tags {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #FFFFFF;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  font-size: 0.92rem;
}

.audience-item svg {
  color: var(--color-henna-primary);
}

.enroll-sticky-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 90px;
}

.enroll-price-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.enroll-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-gold);
}

.enroll-amount-block {
  display: flex;
  align-items: baseline;
  color: var(--color-henna-dark);
  margin: 0.4rem 0;
}

.enroll-amount-block .currency {
  font-size: 1.35rem;
  font-weight: 700;
}

.enroll-amount-block .digits {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
}

.enroll-tax-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.enroll-perks-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.perk-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-main);
}

.perk-row svg {
  color: var(--color-henna-primary);
}

.enroll-guarantee-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   FAQ & HOW IT WORKS PAGES
   ========================================================================== */
.steps-timeline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.timeline-column {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.timeline-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.timeline-title {
  font-size: 1.75rem;
}

.timeline-steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.step-card-item {
  display: flex;
  gap: 1.25rem;
}

.step-index-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-surface-sand);
  color: var(--color-henna-dark);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border-strong);
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.step-content p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* FAQ Accordions */
.faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-accordion-item {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-accordion-item[open] {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-henna-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-gold);
  transition: transform var(--transition-fast);
}

.faq-accordion-item[open] .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CONTACT PAGE & ABOUT PAGE
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-surface-sand);
  color: var(--color-henna-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

.contact-info-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-henna-dark);
}

.contact-actions-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   GLOBAL FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-henna-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 4.5rem 0 2rem 0;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.6rem;
  margin-bottom: 0.85rem;
}

.footer-tagline {
  color: var(--color-gold);
  font-size: 0.94rem;
  font-family: var(--font-serif);
  font-style: italic;
  margin-bottom: 1.25rem;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
}

.footer-column-title {
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-contact-item svg {
  color: var(--color-gold);
}

.footer-bottom-bar {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   GLOBAL FLOATING WHATSAPP BUTTON (Section 29)
   ========================================================================== */
.floating-wa-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 58px;
  height: 58px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.floating-wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.55);
}

.floating-wa-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background-color: var(--color-henna-dark);
  color: #FFFFFF;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.floating-wa-btn:hover .floating-wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 99;
  width: 44px;
  height: 44px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-henna-dark);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-surface-sand);
  transform: translateY(-2px);
}

/* ==========================================================================
   TOAST SYSTEM & EMPTY STATES
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toast-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--color-henna-dark);
  color: #FFFFFF;
  font-size: 0.88rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-8px);
  transition: all 0.25s ease;
}

.toast-item.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.toast-success .toast-icon {
  color: #25D366;
}

.toast-error .toast-icon {
  color: #FF5252;
}

.empty-state-card {
  text-align: center;
  padding: 4rem 2rem;
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  max-width: 580px;
  margin: 0 auto;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-surface-sand);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
}

.empty-state-title {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.empty-state-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Mobile 320px, 375px, 390px, 430px, Tablet, Desktop)
   ========================================================================== */
.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: 5rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.about-pillar-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background-color: var(--color-canvas-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .hero-grid,
  .about-split-grid,
  .product-pdp-layout,
  .course-pdp-layout,
  .checkout-layout-grid,
  .steps-timeline-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .products-grid,
  .courses-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .about-pillars-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Header & Navigation Collapse Breakpoint */
@media (max-width: 900px) {
  /* 1. Header: Remove WhatsApp button from header bar on mobile, display exclusively in mobile menu panel */
  .btn-header-wa,
  .header-actions .btn-header-wa,
  .header-actions a.btn-header-wa {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: block !important;
  }

  .site-nav {
    position: fixed;
    top: 74px;
    left: 0;
    width: 100%;
    max-height: calc(100vh - 74px);
    overflow-y: auto;
    background-color: var(--color-canvas-cream);
    flex-direction: column;
    padding: 1.5rem 1.25rem 2.5rem 1.25rem;
    gap: 1.15rem;
    border-bottom: 1px solid var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    display: none;
    box-sizing: border-box;
    z-index: 999;
  }

  .site-nav.nav-open {
    display: flex !important;
  }

  .mobile-nav-cta {
    display: block !important;
    width: 100% !important;
    margin-top: 1rem !important;
    padding-top: 1.25rem !important;
    border-top: 1px solid var(--color-border-subtle) !important;
    box-sizing: border-box !important;
  }

  .mobile-nav-cta .btn,
  .mobile-nav-cta .btn-whatsapp {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.85rem 1.25rem !important;
    font-size: 0.95rem !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 2. About Nabila page grid-template-columns: 1fr issue */
  .about-split-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 2rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin-bottom: 3rem !important;
  }

  .about-split-grid > * {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .about-portrait-frame {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .about-portrait {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    object-fit: cover !important;
  }

  .about-pillars-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 1.25rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin-bottom: 3rem !important;
  }

  .about-pillars-grid > *,
  .about-pillar-card {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 1.25rem 1rem !important;
  }

  .about-philosophy-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 1.25rem 1rem !important;
  }

  .about-philosophy-grid > * {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 3. Forms & Buy Now Mobile Screen Fit */
  .product-pdp-layout,
  .course-pdp-layout,
  .checkout-layout-grid,
  .contact-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 2rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .product-pdp-layout > *,
  .course-pdp-layout > *,
  .checkout-layout-grid > *,
  .contact-grid > * {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .checkout-form-column,
  .summary-card,
  .pdp-purchase-card,
  .payment-completion-module,
  .upi-action-box,
  .upi-fallback-card,
  .timeline-column,
  .enroll-sticky-card,
  .contact-info-card {
    padding: 1.25rem 1rem !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .checkout-form {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-group {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-row-2,
  .form-row-3 {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.85rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-control {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    font-size: 16px !important; /* Prevents auto-zoom on mobile */
  }

  .form-submit-row {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .btn {
    white-space: normal !important;
    word-break: break-word !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .btn-lg {
    padding: 0.85rem 1rem !important;
    font-size: 0.95rem !important;
    min-height: 48px !important;
  }

  .btn-block {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Product Buy Now & Quantity Controller fit */
  .pdp-actions-row {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin-top: 0.5rem !important;
  }

  .pdp-actions-row .btn,
  #btn-pdp-buy-now {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0.85rem 1rem !important;
    font-size: 0.95rem !important;
  }

  .quantity-controller-row {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .qty-stepper-box {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    height: 44px !important;
  }

  .qty-btn {
    width: 48px !important;
    flex-shrink: 0 !important;
    height: 100% !important;
  }

  .qty-input {
    flex: 1 !important;
    min-width: 0 !important;
    width: 100% !important;
    height: 100% !important;
    text-align: center !important;
  }

  .subtotal-indicator {
    width: 100% !important;
    text-align: right !important;
    font-size: 0.95rem !important;
  }

  .pdp-assurance-strip {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    padding: 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .pdp-meta-bar {
    flex-wrap: wrap !important;
    gap: 0.5rem !important;
  }

  .pdp-title {
    font-size: 1.75rem !important;
    word-break: break-word !important;
  }

  .pdp-price-amount {
    flex-wrap: wrap !important;
  }

  .pdp-price-amount .price-digits {
    font-size: 1.85rem !important;
  }

  /* UPI Payment Elements */
  .payment-step-container {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .upi-action-inner {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .btn-upi-pay {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 1rem !important;
    padding: 0.85rem 1rem !important;
  }

  .upi-id-copy-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
    text-align: center !important;
    padding: 1rem 0.75rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .upi-id-display {
    justify-content: center !important;
    flex-direction: column !important;
    gap: 0.25rem !important;
  }

  .upi-code {
    word-break: break-all !important;
    font-size: 0.95rem !important;
  }

  .qr-code-wrapper {
    flex-direction: column !important;
    padding: 1.25rem 0.75rem !important;
    text-align: center !important;
    gap: 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .qr-image-frame {
    margin: 0 auto !important;
    max-width: 140px !important;
  }

  .completion-action-box {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .completion-explanation {
    font-size: 0.9rem !important;
  }

  .steps-timeline-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 2rem !important;
  }

  .hero-headline {
    font-size: 2.2rem !important;
    word-break: break-word !important;
  }

  .section-title {
    font-size: 1.75rem !important;
    word-break: break-word !important;
  }

  .products-grid,
  .courses-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .trust-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .learning-outcomes-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 2rem !important;
  }

  .footer-bottom-bar {
    flex-direction: column !important;
    text-align: center !important;
    gap: 0.75rem !important;
  }

  .floating-wa-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }

  .back-to-top {
    bottom: 1.25rem;
    left: 1.25rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .checkout-form-column,
  .summary-card,
  .pdp-purchase-card,
  .payment-completion-module,
  .upi-action-box,
  .upi-fallback-card,
  .timeline-column {
    padding: 1rem 0.75rem !important;
  }

  .btn {
    padding: 0.75rem 0.85rem !important;
    font-size: 0.88rem !important;
  }

  .hero-headline {
    font-size: 1.95rem !important;
  }

  .section-title {
    font-size: 1.6rem !important;
  }
}