/* ============================================
   Savit Sustainables - Main Stylesheet
   Crafted by Nature. Designed for Tomorrow.
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --green-dark: #1b5e3b;
  --green-light: #a8d5b5;
  --cream: #f4f9f4;
  --brown: #7a5c3a;
  --text-dark: #2d2d2d;
  --text-muted: #6b6b6b;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --radius: 22px;
  --radius-sm: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

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

.section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--green-dark);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--green-dark);
  color: var(--white);
}

.btn-primary:hover {
  background: #12472a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--green-dark);
  border: 2px solid var(--green-dark);
}

.btn-outline:hover {
  background: var(--green-dark);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27, 94, 59, 0.08);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green-dark);
}

.nav-logo img {
  height: 42px;
  width: auto;
}

.nav-logo span {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-dark);
  transition: var(--transition);
}

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

.nav-links a.active {
  color: var(--green-dark);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2.5px;
  background: var(--green-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: linear-gradient(135deg, var(--cream) 0%, #e8f5e9 100%);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--green-light);
  color: var(--green-dark);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--green-dark);
  margin-bottom: 20px;
}

.hero h1 span {
  display: block;
  color: var(--brown);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 48px;
}

.hero-stat {
  text-align: center;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-dark);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-image-float {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-image-float-icon {
  font-size: 1.8rem;
}

.hero-image-float-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--green-dark);
}

/* --- Product Cards --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.product-card-image {
  width: 100%;
  aspect-ratio: 16/12;
  object-fit: cover;
  background: var(--green-light);
}

.product-card-body {
  padding: 24px;
}

.product-card-category {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--green-dark);
  margin-bottom: 8px;
}

.product-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-card-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-card-tag {
  padding: 4px 14px;
  background: var(--cream);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green-dark);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 16px;
}

.product-card:hover .product-card-link {
  gap: 10px;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.value-card {
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.value-card-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.value-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--green-dark);
  margin-bottom: 6px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Why Us --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.feature-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Industries / We Serve --- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.industry-card {
  background: var(--white);
  padding: 24px 16px;
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.industry-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.industry-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* --- Corporate Kits --- */
.kits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.kit-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 4px solid var(--green-dark);
}

.kit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.kit-card-body {
  padding: 32px 28px;
}

.kit-card-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.kit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--green-dark);
  margin-bottom: 12px;
}

.kit-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.kit-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.kit-item::before {
  content: '✓';
  color: var(--green-dark);
  font-weight: 700;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  font-size: 1.4rem;
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-light);
  border-radius: 50%;
}

.contact-item h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--green-dark);
  margin-bottom: 2px;
}

.contact-item p,
.contact-item a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact-item a:hover {
  color: var(--green-dark);
}

.contact-form-card {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 2px solid #e0ddd6;
  border-radius: var(--radius-sm);
  background: var(--cream);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-dark);
  background: var(--white);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  padding: 16px 20px;
  background: #d4edda;
  color: #155724;
  border-radius: var(--radius-sm);
  font-weight: 500;
  margin-top: 16px;
  text-align: center;
}

/* --- Footer --- */
.footer {
  background: var(--green-dark);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}

.footer-brand p {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 320px;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--green-light);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  padding: 4px 0;
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--white);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--green-light);
  color: var(--green-dark);
  transform: translateY(-3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 24px 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.breadcrumbs a {
  color: var(--green-dark);
  font-weight: 500;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs span {
  color: var(--text-muted);
}

/* --- Page Header --- */
.page-header {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--cream) 0%, #e8f5e9 100%);
  text-align: center;
}

.page-header .section-title {
  font-size: 3.2rem;
}

.page-header .section-desc {
  margin: 0 auto;
}

/* --- Section Background Variants --- */
.bg-white { background: var(--white); }
.bg-cream { background: var(--cream); }
.bg-green-light { background: #e8f5e9; }

/* --- Marquee / Ticker --- */
.marquee-wrapper {
  overflow: hidden;
  background: var(--green-dark);
  padding: 14px 0;
}

.marquee {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
}

.marquee-item::before {
  content: '✦';
  color: var(--green-light);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  animation: whatsapp-pulse 2s infinite;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float img {
  width: 28px;
  height: 28px;
}

@keyframes whatsapp-pulse {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.7); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
}

/* --- Product Detail Page --- */
.product-detail-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--cream) 0%, #e8f5e9 100%);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-detail-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-detail-info h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  color: var(--green-dark);
  margin-bottom: 16px;
}

.product-detail-info .section-label {
  margin-bottom: 8px;
}

.product-detail-info p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-item-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
}

.product-item-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-weight: 500;
}

.product-item-list li::before {
  content: '🌿';
  font-size: 1rem;
}

/* --- Animation Classes --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero .container,
  .about-grid,
  .contact-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
    text-align: center;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero p {
    margin: 0 auto 36px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    max-width: 400px;
    margin: 40px auto 0;
  }

  .hero-image-float {
    display: none;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .features-grid,
  .kits-grid {
    grid-template-columns: 1fr;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(245, 240, 232, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(27, 94, 59, 0.08);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-toggle {
    display: flex;
  }

  .product-detail-info h1 {
    font-size: 2.2rem;
  }

  .product-item-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .hero-stat {
    padding: 12px 8px;
  }

  .hero-stat-value {
    font-size: 1.4rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .kits-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

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

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

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

  .page-header {
    padding: 100px 0 40px;
  }

  .page-header .section-title {
    font-size: 2.2rem;
  }

  .contact-form-card {
    padding: 24px;
  }

  .whatsapp-float {
    width: 48px;
    height: 48px;
    bottom: 16px;
    right: 16px;
  }

  .whatsapp-float img {
    width: 24px;
    height: 24px;
  }
}