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

:root {
  --green-900: #1a3c2a;
  --green-800: #234d36;
  --green-700: #2d6a4f;
  --green-600: #40916c;
  --green-500: #52b788;
  --green-100: #d8f3dc;
  --green-50: #f0faf3;
  --dark: #1a1a1a;
  --gray-700: #333;
  --gray-500: #666;
  --gray-300: #ccc;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  --shadow: 0 10px 40px rgba(0,0,0,0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 10px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-desc {
  color: var(--gray-500);
  margin-top: 12px;
  font-size: 1.05rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--green-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(45, 106, 79, 0.25);
}

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

.btn-outline:hover {
  background: var(--green-700);
  color: var(--white);
}

.btn-full {
  width: 100%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-sub {
  font-weight: 400;
  color: var(--gray-500);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--green-700);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-600);
  transition: width var(--transition);
}

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

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

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, rgba(26, 60, 42, 0.85) 0%, rgba(45, 106, 79, 0.7) 50%, rgba(26, 60, 42, 0.8) 100%),
    url('https://images.unsplash.com/photo-1416879595882-3373a0480b5b?w=1600&q=80') center/cover no-repeat;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
}

.hero-text {
  max-width: 640px;
  color: var(--white);
}

.hero-eyebrow {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: 16px;
}

.hero h1 {
  margin-bottom: 20px;
  color: var(--white);
}

.hero-desc {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.hero .btn-primary {
  background: var(--white);
  color: var(--green-800);
}

.hero .btn-primary:hover {
  background: var(--green-50);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.hero .btn-outline {
  border-color: rgba(255,255,255,0.7);
  color: var(--white);
}

.hero .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* ===== About ===== */
.about {
  padding: 100px 0;
  background: var(--white);
}

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

.about-text h2 {
  margin-bottom: 20px;
  color: var(--green-900);
}

.about-text p {
  color: var(--gray-500);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-100);
}

.stat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--green-700);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.about-images {
  position: relative;
  height: 420px;
}

.about-img {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.about-img-1 {
  width: 70%;
  height: 280px;
  top: 0;
  left: 0;
  z-index: 2;
}

.about-img-2 {
  width: 60%;
  height: 240px;
  bottom: 0;
  right: 0;
  z-index: 1;
}

/* ===== Products ===== */
.products {
  padding: 100px 0;
  background: var(--green-50);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

.product-img {
  height: 200px;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
  transform: scale(1.06);
}

.product-body {
  padding: 22px;
}

.product-body h3 {
  margin-bottom: 8px;
  color: var(--green-900);
}

.product-body p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.55;
}

/* ===== Why Us ===== */
.why-us {
  padding: 100px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.feature {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: var(--green-50);
  transition: transform var(--transition);
}

.feature:hover {
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.feature h3 {
  margin-bottom: 10px;
  color: var(--green-900);
}

.feature p {
  font-size: 0.92rem;
  color: var(--gray-500);
}

/* ===== Gallery ===== */
.gallery {
  padding: 100px 0;
  background: var(--green-50);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
  color: var(--green-900);
}

.contact-info > p {
  color: var(--gray-500);
  margin-bottom: 32px;
}

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

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

.contact-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--green-900);
}

.contact-item p {
  color: var(--gray-500);
  font-size: 0.95rem;
}

.contact-item a {
  color: var(--green-700);
  font-weight: 500;
}

.contact-item a:hover {
  text-decoration: underline;
}

.contact-form-wrap {
  background: var(--green-50);
  padding: 36px;
  border-radius: var(--radius);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(64, 145, 108, 0.15);
}

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 12px;
}

/* ===== Footer ===== */
.footer {
  background: var(--green-900);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer .logo {
  color: var(--white);
  margin-bottom: 14px;
}

.footer .logo-sub {
  color: rgba(255,255,255,0.6);
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 320px;
  opacity: 0.8;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.95rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer-links a:hover {
  opacity: 1;
}

.footer-contact p {
  font-size: 0.95rem;
  margin-bottom: 8px;
  opacity: 0.8;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-images {
    height: 320px;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-content {
    padding: 60px 24px;
  }
  .about, .products, .why-us, .gallery, .contact {
    padding: 70px 0;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .about-stats {
    flex-direction: column;
    gap: 16px;
  }
  .hero-btns {
    flex-direction: column;
  }
  .hero-btns .btn {
    width: 100%;
  }
}