/* ============================================================
   GPC Biocare — Complete Stylesheet
   Biotech Agriculture · Earth/Soil Theme · Light Design
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg-primary: #FAF8F5;
  --bg-secondary: #F2EDE6;
  --bg-tertiary: #EDE7DD;
  --soil-900: #2C1810;
  --soil-800: #3D2B1F;
  --soil-700: #5C4033;
  --soil-600: #6B4226;
  --soil-500: #8B6914;
  --green-700: #2D5A3D;
  --green-600: #3A7D4A;
  --green-500: #4A9C5B;
  --green-100: #E8F5E9;
  --accent-gold: #C4A35A;
  --accent-teal: #5B8C85;
  --text-primary: #2C1810;
  --text-secondary: #5C4033;
  --text-muted: #8B7355;
  --border: #E0D5C7;
  --white: #FFFFFF;
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius-card: 8px;
  --radius-btn: 6px;
  --radius-badge: 100px;
  --shadow-warm: 0 4px 24px rgba(44, 24, 16, 0.08);
  --shadow-warm-lg: 0 8px 40px rgba(44, 24, 16, 0.12);
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--soil-600);
  line-height: 1.25;
  font-weight: 400;
}

h1 { font-size: 3.25rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

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

input, select, textarea, button {
  font-family: var(--font-body);
  font-size: 1rem;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green-600);
  background: var(--green-100);
  padding: 6px 18px;
  border-radius: var(--radius-badge);
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
}

.btn-primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(58, 125, 74, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--soil-700);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--green-600);
  color: var(--green-600);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ---------- Scroll Animation ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  background: transparent;
  padding: 8px 0;
}

#navbar.scrolled {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(44, 24, 16, 0.08);
  padding: 4px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  z-index: 1001;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--white);
  font-weight: 400;
  transition: color var(--transition);
}

#navbar.scrolled .logo-text {
  color: var(--soil-800);
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

#navbar.scrolled .nav-link {
  color: var(--text-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-600);
  transition: width var(--transition);
}

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

.nav-link:hover {
  color: var(--white);
}

#navbar.scrolled .nav-link:hover,
#navbar.scrolled .nav-link.active {
  color: var(--green-600);
}

.nav-link.active {
  color: var(--white);
  font-weight: 600;
}

#navbar.scrolled .nav-link.active {
  color: var(--green-600);
}

.nav-cta button {
  padding: 10px 24px;
  background: var(--green-600);
  color: var(--white);
  border: none;
  border-radius: var(--radius-btn);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.nav-cta button:hover {
  background: var(--green-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58, 125, 74, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

#navbar.scrolled .nav-toggle span {
  background: var(--soil-800);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(45, 90, 61, 0.82) 0%,
    rgba(44, 24, 16, 0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-badge);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-sub {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-actions .btn-primary {
  background: var(--white);
  color: var(--green-700);
  border-color: var(--white);
}

.hero-actions .btn-primary:hover {
  background: var(--green-100);
  border-color: var(--green-100);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.hero-actions .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-actions .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-item strong {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.2rem;
}

.trust-item span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

.trust-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.25);
}

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

.about-images {
  position: relative;
}

.about-images .img-main {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-warm-lg);
  overflow: hidden;
}

.about-images .img-main img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-images .img-accent {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 55%;
  border-radius: var(--radius-card);
  border: 4px solid var(--white);
  box-shadow: var(--shadow-warm-lg);
  overflow: hidden;
}

.about-images .img-accent img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.about-stat-card {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-warm);
  text-align: center;
  z-index: 2;
}

.about-stat-card .stat-num,
.about-stat-card .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--green-600);
  display: block;
  line-height: 1.1;
}

.about-stat-card .stat-label,
.about-stat-card .stat-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-top: 4px;
}

.about-content {
  padding-left: 20px;
}

.about-content .section-label {
  margin-bottom: 12px;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 16px;
}

.about-content .lead {
  margin-bottom: 14px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.feature:hover {
  border-color: var(--green-500);
  background: var(--green-100);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-100);
  color: var(--green-600);
  border-radius: var(--radius-card);
  font-size: 1.25rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature h4,
.feature strong {
  margin-bottom: 4px;
  color: var(--soil-800);
  display: block;
  font-size: 0.95rem;
}

.feature p,
.feature span {
  margin-bottom: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   MANUFACTURING
   ============================================================ */
.mfg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.mfg-grid img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-warm-lg);
}

.mfg-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.mfg-stat {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: var(--radius-card);
  text-align: center;
  border: 1px solid var(--border);
}

.mfg-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--green-600);
  display: block;
  line-height: 1.1;
}

.mfg-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-top: 4px;
}

/* ============================================================
   R&D
   ============================================================ */
.rnd-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.rnd-hero .rnd-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(45, 90, 61, 0.9) 0%,
    rgba(44, 24, 16, 0.85) 100%
  );
}

.rnd-hero .container {
  position: relative;
  z-index: 1;
}

.rnd-hero .section-label {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.rnd-hero .section-header h2 {
  color: var(--white);
}

.rnd-hero .section-desc {
  color: rgba(255, 255, 255, 0.8);
}

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

.rnd-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  transition: all var(--transition);
}

.rnd-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.rnd-card .rnd-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 12px;
}

.rnd-card h4 {
  color: var(--white);
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.rnd-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: 1.6;
}

.lab-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.lab-gallery img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform var(--transition);
}

.lab-gallery img:hover {
  transform: scale(1.03);
}

/* ============================================================
   PRODUCTS (Interactive Catalogue)
   ============================================================ */
.catalogue-header {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.search-box {
  position: relative;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.search-box input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  background: var(--white);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box input:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(58, 125, 74, 0.1);
}

.search-box::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238B7355' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.form-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  background: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.tab:hover {
  border-color: var(--green-600);
  color: var(--green-600);
}

.tab.active {
  background: var(--green-600);
  border-color: var(--green-600);
  color: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-lg);
  border-color: var(--green-600);
}

.product-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.product-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-badge);
  white-space: nowrap;
}

.product-badge.bio-stimulant {
  background: rgba(196, 163, 90, 0.15);
  color: var(--accent-gold);
}

.product-badge.bio-fertilizer {
  background: var(--green-100);
  color: var(--green-600);
}

.product-badge.organic {
  background: rgba(107, 66, 38, 0.1);
  color: var(--soil-600);
}

.product-badge.bio-pesticide {
  background: rgba(91, 140, 133, 0.12);
  color: var(--accent-teal);
}

.product-badge.liquid {
  background: rgba(59, 130, 246, 0.1);
  color: #3B82F6;
}

.product-badge.granule {
  background: rgba(107, 66, 38, 0.1);
  color: var(--soil-600);
}

.product-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--soil-800);
  margin-bottom: 4px;
  font-weight: 400;
}

.product-code {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 500;
}

.product-comp {
  font-size: 0.85rem;
  color: var(--green-600);
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.product-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
  opacity: 0;
  padding-top: 0;
}

.product-card.expanded .product-details {
  max-height: 300px;
  opacity: 1;
  padding-top: 16px;
}

.product-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.product-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-meta-item .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.product-meta-item .value {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.expand-btn:hover {
  background: var(--bg-tertiary);
  color: var(--green-600);
}

.product-card.expanded .expand-btn {
  background: var(--green-100);
  color: var(--green-600);
  border-color: rgba(58, 125, 74, 0.2);
}

.product-count {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 32px;
  font-weight: 500;
}

.no-results {
  text-align: center;
  padding: 60px 24px;
  grid-column: 1 / -1;
}

.no-results h4 {
  color: var(--text-muted);
  margin-bottom: 8px;
}

.no-results p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm);
  border-color: var(--green-600);
}

.service-card .icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-100);
  color: var(--green-600);
  border-radius: var(--radius-card);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card .icon svg {
  width: 28px;
  height: 28px;
}

.service-card h4 {
  color: var(--soil-800);
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* ============================================================
   QUALITY
   ============================================================ */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.quality-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}

.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm);
  border-color: var(--accent-teal);
}

.quality-card .icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(91, 140, 133, 0.1);
  color: var(--accent-teal);
  border-radius: 50%;
  font-size: 1.5rem;
  margin: 0 auto 20px;
}

.quality-card .icon svg {
  width: 28px;
  height: 28px;
}

.quality-card h4 {
  color: var(--soil-800);
  margin-bottom: 10px;
}

.quality-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* ============================================================
   FUTURE FARMING
   ============================================================ */
.future-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.future-grid img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-warm-lg);
}

.future-objectives {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

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

.objective-item .obj-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  line-height: 1;
}

.objective-item h4 {
  color: var(--soil-800);
  margin-bottom: 4px;
}

.objective-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ============================================================
   B2B
   ============================================================ */
.b2b-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.b2b-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  transition: all var(--transition);
}

.b2b-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm);
  border-color: var(--accent-gold);
}

.b2b-card .icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 163, 90, 0.12);
  color: var(--accent-gold);
  border-radius: var(--radius-card);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.b2b-card .icon svg {
  width: 26px;
  height: 26px;
}

.b2b-card h4 {
  color: var(--soil-800);
  margin-bottom: 10px;
}

.b2b-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: flex-start;
}

.contact-info .section-label {
  margin-bottom: 12px;
}

.contact-info h2,
.contact-info h3 {
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

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

.contact-item .icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-100);
  color: var(--green-600);
  border-radius: var(--radius-card);
  font-size: 1.1rem;
}

.contact-item .icon svg {
  width: 22px;
  height: 22px;
}

.contact-item svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--green-600);
  margin-top: 2px;
}

.contact-item h5,
.contact-item strong {
  font-family: var(--font-body);
  color: var(--soil-800);
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
  font-size: 0.95rem;
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: var(--shadow-warm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--soil-700);
  display: block;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(58, 125, 74, 0.1);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238B7355' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--soil-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 16px;
  display: block;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

.footer-links h5 {
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
  padding: 2px 0;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--green-600);
  color: var(--white);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--accent-gold);
}

/* ============================================================
   RESPONSIVE — 1024px
   ============================================================ */
@media (max-width: 1024px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2.1rem; }

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

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

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

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

  .b2b-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 36px;
  }

  .footer-grid > *:last-child {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.85rem; }
  h3 { font-size: 1.5rem; }

  .section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .container {
    padding: 0 20px;
  }

  /* Mobile Navigation */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links .nav-link,
  .nav-links.open .nav-link {
    color: var(--text-primary);
    font-size: 1.2rem;
  }

  .nav-links.open .nav-link:hover,
  .nav-links.open .nav-link.active {
    color: var(--green-600);
  }

  .nav-cta {
    margin-top: 12px;
  }

  /* Hero */
  .hero h1 { font-size: 2.5rem; }
  .hero-sub { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-trust { flex-direction: column; gap: 12px; }
  .trust-divider { display: none; }

  /* About */
  #about .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-images .img-accent {
    position: relative;
    bottom: auto;
    right: auto;
    width: 70%;
    margin-top: -40px;
    margin-left: auto;
  }

  .about-stat-card {
    top: auto;
    left: auto;
    position: relative;
    display: inline-block;
    margin-bottom: 16px;
  }

  .about-content {
    padding-left: 0;
  }

  /* Manufacturing */
  .mfg-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  /* R&D */
  .rnd-grid {
    grid-template-columns: 1fr;
  }

  .lab-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .lab-gallery img {
    height: 200px;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
  }

  .filter-tabs,
  .form-filters {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Quality */
  .quality-grid {
    grid-template-columns: 1fr;
  }

  /* Future */
  .future-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  /* B2B */
  .b2b-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .contact-form-wrap {
    padding: 28px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-grid > *:last-child {
    grid-column: auto;
  }

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

/* ============================================================
   RESPONSIVE — 480px
   ============================================================ */
@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.3rem; }

  .section {
    padding: 56px 0;
  }

  .container {
    padding: 0 16px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .hero h1 { font-size: 2rem; }
  .hero-badge { font-size: 0.75rem; padding: 6px 14px; }
  .hero-sub { font-size: 0.95rem; }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-trust {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .mfg-stats {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 20px;
  }

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

  .contact-form-wrap {
    padding: 24px 20px;
  }

  .section-label {
    font-size: 0.7rem;
    padding: 5px 14px;
  }

  .footer {
    padding: 56px 0 0;
  }

  .filter-tabs,
  .form-filters {
    gap: 6px;
  }

  .tab {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---------- Selection ---------- */
::selection {
  background: rgba(58, 125, 74, 0.2);
  color: var(--soil-900);
}