/* ==========================================================================
   VIGA INDUSTRIES PVT. LTD. - MASTER DESIGN SYSTEM
   Eco-Friendly, Sustainable Industrial Packaging (6+ Years Experience)
   ========================================================================== */

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

:root {
  /* Vibrant Eco Greens (Matching requested #12A54D) */
  --color-primary-dark: #0b6630;
  --color-primary: #12a54d;
  --color-primary-light: #18be5b;
  --color-primary-subtle: #22c55e;
  --color-sage: #1ea853;
  --color-sage-light: #86efac;
  --color-sage-surface: #eaf8f0;

  /* Warm Kraft Paper / Browns */
  --color-kraft-deep: #784920;
  --color-kraft: #a77038;
  --color-kraft-warm: #c58f55;
  --color-kraft-light: #dfb98a;
  --color-kraft-tint: #f3ebd8;
  --color-kraft-card: #faf4e8;

  /* Off-White & Cream Backgrounds */
  --color-bg-main: #fbf9f5;
  --color-bg-surface: #ffffff;
  --color-bg-subtle: #f4efe6;
  --color-bg-dark: #07381b;

  /* Accents & Signals */
  --color-accent-amber: #d97706;
  --color-accent-amber-light: #fef3c7;
  --color-accent-teal: #0f766e;
  --color-accent-leaf: #12a54d;

  /* Text Colors */
  --color-text-main: #14241b;
  --color-text-muted: #435c4e;
  --color-text-light: #6b8577;
  --color-text-inverse: #fbf9f5;
  --color-text-amber: #b45309;

  /* Borders & Dividers */
  --color-border: #e3dacd;
  --color-border-subtle: #eee7db;
  --color-border-focus: #12a54d;

  /* Typography */
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px rgba(11, 102, 48, 0.04);
  --shadow-sm: 0 2px 8px rgba(11, 102, 48, 0.06), 0 1px 3px rgba(11, 102, 48, 0.04);
  --shadow-md: 0 6px 16px rgba(11, 102, 48, 0.08), 0 2px 6px rgba(11, 102, 48, 0.04);
  --shadow-lg: 0 12px 30px rgba(11, 102, 48, 0.10), 0 4px 10px rgba(11, 102, 48, 0.05);
  --shadow-xl: 0 20px 45px rgba(11, 102, 48, 0.14), 0 8px 18px rgba(11, 102, 48, 0.06);
  --shadow-glow: 0 0 25px rgba(18, 165, 77, 0.35);

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 180ms ease;
  --transition-normal: 280ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 450ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max-width: 1240px;
  --header-height: 80px;
}

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  background-image: radial-gradient(rgba(167, 112, 56, 0.035) 1px, transparent 1px),
                    radial-gradient(rgba(18, 165, 77, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography Hierarchy
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.1rem, 3.8vw, 3.1rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.35rem);
  line-height: 1.22;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

h4 {
  font-size: 1.2rem;
}

p {
  color: var(--color-text-muted);
  font-size: 1.025rem;
}

.text-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.28rem);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.text-editorial {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-kraft);
}

/* ==========================================================================
   Container & Layout Utilities
   ========================================================================== */

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

.container-narrow {
  max-width: 960px;
}

.section-padding {
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.section-padding-sm {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem) auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: var(--color-kraft-tint);
  color: var(--color-kraft-deep);
  border: 1px solid rgba(167, 112, 56, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-tag.green {
  background-color: var(--color-sage-surface);
  color: var(--color-primary-dark);
  border-color: rgba(18, 165, 77, 0.25);
}

.section-title {
  margin-bottom: 0.85rem;
  color: var(--color-primary-dark);
  font-size: clamp(1.75rem, 2.8vw, 2.45rem);
  line-height: 1.22;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.62;
}

/* Flex & Grid Helpers */
.grid {
  display: grid;
  gap: 2rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.gap-sm { gap: 0.75rem; }
.gap-md { gap: 1.5rem; }
.gap-lg { gap: 2.5rem; }

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.975rem;
  line-height: 1.2;
  text-align: center;
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.btn:hover::after {
  transform: translateX(0);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(18, 165, 77, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(18, 165, 77, 0.4);
  color: #ffffff !important;
}

.btn-secondary {
  background-color: var(--color-kraft-tint);
  color: var(--color-kraft-deep);
  border: 1px solid var(--color-kraft-light);
}

.btn-secondary:hover {
  background-color: var(--color-kraft-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-amber {
  background-color: var(--color-accent-amber);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
}

.btn-amber:hover {
  background-color: #b45309;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(217, 119, 6, 0.4);
  color: #ffffff !important;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff !important;
  transform: translateY(-2px);
}

.btn-white {
  background-color: #ffffff;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--color-bg-subtle);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-icon-circle {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Badges, Tags & Eco Indicators
   ========================================================================== */

.eco-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(18, 165, 77, 0.1);
  border: 1px solid rgba(18, 165, 77, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.eco-badge.amber {
  background-color: rgba(217, 119, 6, 0.08);
  border-color: rgba(217, 119, 6, 0.2);
  color: var(--color-accent-amber);
}

.eco-badge.kraft {
  background-color: rgba(167, 112, 56, 0.12);
  border-color: rgba(167, 112, 56, 0.25);
  color: var(--color-kraft-deep);
}

/* ==========================================================================
   Card Aesthetics & Paper Textures
   ========================================================================== */

.card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-kraft-light);
}

.card-kraft {
  background-color: var(--color-kraft-card);
  border-color: rgba(167, 112, 56, 0.2);
}

.card-sage {
  background-color: var(--color-sage-surface);
  border-color: rgba(18, 165, 77, 0.2);
}

/* ==========================================================================
   Animations & Scroll Reveal
   ========================================================================== */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }

@keyframes floatLeaf {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(4deg); }
}

.animate-float {
  animation: floatLeaf 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(18, 165, 77, 0.35); }
  50% { box-shadow: 0 0 0 12px rgba(18, 165, 77, 0); }
}

.pulse-eco {
  animation: pulseGlow 2.5s infinite;
}