/* ==========================================================================
   VEDIC NABHI™ — AWARD-WINNING MODERN LUXURY AYURVEDA DESIGN SYSTEM
   Standard: International Flagship D2C (Aesop × Kama Ayurveda × Purearth Caliber)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Brand Tokens */
  --vn-bg-canvas: #FBF9F4;
  --vn-bg-cream: #F5EFEB;
  --vn-bg-surface: #FFFFFF;
  --vn-bg-dark: #071910;
  --vn-bg-dark-card: #0D261B;
  
  --vn-green-900: #081C13;
  --vn-green-800: #0D2B1E;
  --vn-green-700: #133D2B;
  --vn-green-600: #1B543B;
  --vn-green-500: #15803D;
  --vn-green-glow: rgba(21, 128, 61, 0.15);
  
  --vn-gold-100: #FAF5E8;
  --vn-gold-200: #F3E6C8;
  --vn-gold-300: #E6D09C;
  --vn-gold-400: #D4AF37;
  --vn-gold-500: #C5A059;
  --vn-gold-600: #9B7830;
  --vn-gold-glow: rgba(212, 175, 55, 0.25);

  --vn-text-main: #1A1816;
  --vn-text-muted: #5C5650;
  --vn-text-light: #948B83;
  --vn-text-inverse: #FBF9F4;

  --vn-border-gold: rgba(197, 160, 89, 0.35);
  --vn-border-subtle: rgba(13, 43, 30, 0.08);
  --vn-border-glass: rgba(255, 255, 255, 0.6);

  /* Typography */
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Elevation & Lighting */
  --shadow-subtle: 0 2px 10px rgba(7, 25, 16, 0.03);
  --shadow-card: 0 10px 30px -5px rgba(7, 25, 16, 0.06), 0 0 0 1px rgba(197, 160, 89, 0.15);
  --shadow-float: 0 20px 45px -10px rgba(7, 25, 16, 0.12), 0 0 0 1px rgba(197, 160, 89, 0.25);
  --shadow-gold-sheen: 0 12px 30px rgba(197, 160, 89, 0.3);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --transition-luxury: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--vn-bg-canvas);
  color: var(--vn-text-main);
  line-height: 1.75;
  overflow-x: hidden;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* Luxury Grain Overlay Effect */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(rgba(13, 43, 30, 0.015) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 99999;
}

/* Typography Primitives */
.font-serif { font-family: var(--font-serif); }

.heading-display {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--vn-green-900);
}

.heading-section {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--vn-green-900);
}

.heading-card {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--vn-green-900);
  letter-spacing: 0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--vn-gold-600);
  margin-bottom: 14px;
}

.eyebrow::before, .eyebrow::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--vn-gold-500);
}

/* Container Hierarchy */
.vn-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

.vn-container-narrow {
  width: 100%;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

.vn-section {
  padding-top: clamp(60px, 7vw, 110px);
  padding-bottom: clamp(60px, 7vw, 110px);
  position: relative;
}

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

/* Luxury Buttons */
.vn-btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 16px 36px;
  background: linear-gradient(135deg, #D4AF37 0%, #B88B2A 50%, #C5A059 100%);
  color: #071910;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-gold-sheen);
  border: 1px solid rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
  transition: var(--transition-luxury);
  text-decoration: none;
}

.vn-btn-gold::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.7s ease;
}

.vn-btn-gold:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 16px 36px rgba(197, 160, 89, 0.45);
}

.vn-btn-gold:hover::before {
  left: 100%;
}

.vn-btn-emerald {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 16px 36px;
  background: linear-gradient(135deg, #0D2B1E 0%, #06170E 100%);
  color: #FAF5E8;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--vn-border-gold);
  box-shadow: var(--shadow-card);
  transition: var(--transition-luxury);
  text-decoration: none;
}

.vn-btn-emerald:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #133D2B 0%, #0A2115 100%);
  box-shadow: var(--shadow-float);
}

/* ==========================================================================
   HEADER & LOGO AESTHETICS
   ========================================================================== */
.vn-announcement {
  background: var(--vn-bg-dark);
  color: var(--vn-gold-300);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  padding: 9px 16px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.vn-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(251, 249, 244, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
  transition: var(--transition-luxury);
}

.vn-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* Ultra-Refined Light Aesthetic Logo */
.vn-brandmark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.vn-logo-main {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500; /* Aesthetic Light Serif */
  letter-spacing: 0.28em;
  color: var(--vn-green-900);
  line-height: 1;
  text-transform: uppercase;
}

.vn-logo-sub {
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.38em;
  color: var(--vn-gold-500);
  text-transform: uppercase;
  margin-top: 4px;
}

.vn-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.vn-nav-link {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vn-text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s ease;
}

.vn-nav-link:hover {
  color: var(--vn-green-900);
}

.vn-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 0%; height: 1.5px;
  background: var(--vn-gold-400);
  transition: width 0.3s ease;
}

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

/* ==========================================================================
   CINEMATIC HERO SECTION
   ========================================================================== */
.vn-hero {
  position: relative;
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(60px, 8vw, 100px);
  background: radial-gradient(ellipse at 80% 20%, #F5EFE6 0%, #FBF9F4 70%);
  overflow: hidden;
}

/* Ambient Botanical Backdrop Light */
.vn-hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.vn-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(36px, 6vw, 72px);
  position: relative;
  z-index: 1;
}

.vn-hero-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--vn-text-muted);
  line-height: 1.8;
  margin: 18px 0 28px;
  max-width: 520px;
}

/* Luxury Offer Floating Pod */
.vn-offer-pod {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--vn-border-gold);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 480px;
}

.vn-price-stack {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.vn-price-big {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--vn-green-900);
}

.vn-price-cut {
  font-size: 16px;
  color: var(--vn-text-light);
  text-decoration: line-through;
}

.vn-pill-save {
  background: var(--vn-green-pill);
  color: var(--vn-green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(21, 128, 61, 0.2);
}

/* Product Hero Art Frame */
.vn-product-hero-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #FAF6EE 0%, #EFE7D8 100%);
  border: 1px solid var(--vn-border-gold);
  box-shadow: var(--shadow-float);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vn-product-hero-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 20px 25px rgba(7, 25, 16, 0.18));
}

.vn-product-hero-stage:hover img {
  transform: scale(1.03) translateY(-4px);
}

/* Floating Luxury Badge on Product */
.vn-hero-gold-seal {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(8, 28, 19, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--vn-gold-400);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vn-gold-300);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   FACT RIBBON STRIP
   ========================================================================== */
.vn-ribbon {
  background: var(--vn-green-900);
  color: var(--vn-text-inverse);
  padding: 28px 0;
  border-top: 1px solid rgba(212, 175, 55, 0.25);
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  position: relative;
}

.vn-ribbon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.vn-ribbon-col {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  border-right: 1px solid rgba(212, 175, 55, 0.18);
}

.vn-ribbon-col:last-child {
  border-right: none;
}

.vn-ribbon-icon-wrap {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--vn-gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--vn-gold-300);
  flex-shrink: 0;
}

/* ==========================================================================
   INGREDIENTS EDITORIAL CARDS
   ========================================================================== */
.vn-botanical-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.vn-botanical-card {
  background: #FFFFFF;
  border: 1px solid var(--vn-border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-luxury);
  position: relative;
  overflow: hidden;
}

.vn-botanical-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--vn-gold-400), var(--vn-green-600));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.vn-botanical-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--vn-border-gold);
}

.vn-botanical-card:hover::before {
  opacity: 1;
}

.vn-botanical-art {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--vn-gold-100);
  border: 1px solid var(--vn-gold-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

/* ==========================================================================
   RITUAL 3-STEP SEQUENCE
   ========================================================================== */
.vn-ritual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.vn-ritual-card {
  background: #FFFFFF;
  border: 1px solid var(--vn-border-gold);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.vn-ritual-number {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 400;
  color: var(--vn-gold-400);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.8;
}

/* ==========================================================================
   ACCORDION FAQ
   ========================================================================== */
.vn-faq-deck {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 800px;
  margin: 40px auto 0;
}

.vn-faq-card {
  background: #FFFFFF;
  border: 1px solid var(--vn-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-luxury);
}

.vn-faq-card.open {
  border-color: var(--vn-gold-500);
  box-shadow: var(--shadow-subtle);
}

.vn-faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--vn-green-900);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.vn-faq-chevron {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--vn-gold-100);
  border: 1px solid var(--vn-gold-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--vn-gold-600);
  transition: transform 0.3s ease;
}

.vn-faq-card.open .vn-faq-chevron {
  transform: rotate(180deg);
  background: var(--vn-green-900);
  color: var(--vn-gold-300);
}

.vn-faq-content {
  display: none;
  padding: 0 28px 24px;
  font-size: 14.5px;
  color: var(--vn-text-muted);
  line-height: 1.8;
}

.vn-faq-card.open .vn-faq-content {
  display: block;
}

/* ==========================================================================
   FINAL CONVERSION CTA BANNER
   ========================================================================== */
.vn-flagship-cta {
  background: radial-gradient(circle at 50% 0%, #133D2B 0%, #071910 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 84px) clamp(24px, 5vw, 64px);
  border: 1px solid var(--vn-border-gold);
  box-shadow: 0 25px 60px -15px rgba(7, 25, 16, 0.4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.vn-flagship-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, transparent 70%);
  filter: blur(40px);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .vn-ribbon-grid { grid-template-columns: repeat(2, 1fr); }
  .vn-ribbon-col:nth-child(2) { border-right: none; }
  .vn-botanical-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .vn-nav-links { display: none; }
  .vn-hero-grid { grid-template-columns: 1fr; }
  .vn-ritual-grid { grid-template-columns: 1fr; }
  .vn-ribbon-grid { grid-template-columns: 1fr; }
  .vn-ribbon-col { border-right: none; border-bottom: 1px solid rgba(212, 175, 55, 0.15); padding-bottom: 14px; }
  .vn-ribbon-col:last-child { border-bottom: none; }
}

@media (max-width: 430px) {
  .vn-offer-pod { flex-direction: column; align-items: flex-start; gap: 10px; }
  .vn-btn-gold, .vn-btn-emerald { width: 100%; }
}