:root {
  --color-bg: #f5f5f0;
  --color-bg-alt: #ffffff;
  --color-text: #1e2f0c;
  --color-text-muted: #5e7f4a;
  --color-primary: #2d5a2d;
  --color-primary-dark: #1a3a1a;
  --color-accent: #90EE90;
  --color-accent-light: #c8e6c9;
  --color-border: #e8e8e8;
  --color-error: #e53935;
  --color-success: #43a047;
  --shadow-sm: 0 2px 14px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 28px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 36px rgba(34,139,34,0.13);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

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

/* Toast */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--color-primary); color: white;
  padding: 0.9rem 1.25rem; border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18); font-size: 0.92rem;
  z-index: 9999; transform: translateY(120%); opacity: 0;
  transition: var(--transition); max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-title { font-weight: 600; margin-bottom: 0.15rem; }
.toast-msg { color: var(--color-accent-light); font-size: 0.84rem; }

/* Form validation */
.form-input.error { border-color: var(--color-error); }
.form-input.valid { border-color: var(--color-success); }
.field-error { color: var(--color-error); font-size: 0.78rem; margin-top: 0.25rem; display: none; }
.field-error.visible { display: block; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Animations */
@keyframes pulse { 0%,100%{opacity:.5} 50%{opacity:1} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
@keyframes spin { to{transform:rotate(360deg)} }
.animate-fadeInUp { animation: fadeInUp 0.7s ease-out forwards; }

/* Navigation */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  z-index: 100; padding: 0.75rem 5%;
  border-bottom: 1px solid rgba(45,80,22,0.07);
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
nav.scrolled { background: rgba(255,255,255,0.97); box-shadow: 0 4px 18px rgba(0,0,0,0.08); }
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; cursor: pointer; }
.logo img { height: 44px; width: auto; transition: transform 0.3s; }
.logo img:hover { transform: scale(1.05); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--color-primary); text-decoration: none; font-weight: 500; font-size: 0.9rem;
  position: relative; padding-bottom: 4px; transition: color 0.3s;
}
.nav-links a::after {
  content: ""; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--color-accent); transition: width 0.3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.hamburger { display: none; cursor: pointer; background: none; border: none; padding: 4px; flex-direction: column; gap: 5px; }
.hamburger div { width: 26px; height: 2.5px; background: var(--color-primary); border-radius: 2px; transition: 0.3s; }
.hamburger.active .bar1 { transform: rotate(-45deg) translate(-5px,6px); }
.hamburger.active .bar2 { opacity: 0; }
.hamburger.active .bar3 { transform: rotate(45deg) translate(-5px,-6px); }

/* Hero */
#home {
  min-height: 72vh; display: flex; align-items: center; justify-content: center;
  padding-top: 70px;
  background: linear-gradient(135deg,var(--color-primary-dark) 0%,var(--color-primary) 55%,#4a7c4a 100%);
  position: relative; overflow: hidden;
}
#home::before {
  content:''; position:absolute; inset:0;
  background-image: radial-gradient(circle at 20% 50%,rgba(144,238,144,.1) 0%,transparent 40%),
    radial-gradient(circle at 80% 80%,rgba(34,139,34,.08) 0%,transparent 55%);
  animation: pulse 8s ease-in-out infinite;
}
.hero-bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0.45; }
.hero-content { position:relative; z-index:2; text-align:center; max-width:1000px; padding:2.5rem 1.5rem; color:white; }
.hero-content h1 {
  font-family:var(--font-heading);
  font-size: clamp(2.8rem,7vw,5.5rem);
  font-weight:700; line-height:1.05; margin-bottom:0.9rem; letter-spacing:-1.5px;
}
.hero-content h1 span { display:block; color:var(--color-accent); }
.hero-content p { font-size:clamp(1rem,2vw,1.3rem); color:var(--color-accent-light); margin-bottom:1.75rem; line-height:1.6; max-width:700px; margin-left:auto; margin-right:auto; }
.hero-buttons { display:flex; gap:0.85rem; justify-content:center; flex-wrap:wrap; }

/* Buttons */
.btn {
  display:inline-block; padding:0.8rem 2.2rem; border-radius:var(--radius-sm);
  font-weight:600; text-decoration:none; transition:var(--transition);
  font-size:0.95rem; border:none; cursor:pointer; font-family:var(--font-body);
}
.btn-primary { background:white; color:var(--color-primary); }
.btn-secondary { background:transparent; color:white; border:2px solid white; }
.btn:hover { transform:translateY(-2px); box-shadow:0 8px 22px rgba(0,0,0,0.18); }
.btn:focus-visible { outline:3px solid var(--color-accent); outline-offset:3px; }
.btn-primary:hover { background:#f0f0f0; }
.btn-secondary:hover { background:rgba(255,255,255,0.1); }

/* Sections */
section { padding: 3.5rem 5%; }
.wrapper { max-width: 1280px; margin: 0 auto; }
.section-title { font-family:var(--font-heading); font-size:2.8rem; font-weight:700; line-height:1.15; margin-bottom:1rem; color:var(--color-primary); }
.section-divider { width:80px; height:3px; background:linear-gradient(to right,var(--color-primary),var(--color-accent)); margin:0.75rem auto 1.25rem; }
.section-description { font-size:1.1rem; color:var(--color-text-muted); max-width:720px; margin:0 auto; line-height:1.75; }
.text-center { text-align:center; }

/* About */
#about { background:var(--color-bg-alt); }
.about-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.5rem; margin-top:2.25rem; }
.card { background:#fafafa; border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--color-border); transition:var(--transition); }
.card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.card-img { width:100%; height:185px; object-fit:cover; display:block; }
.card-body { padding:1.5rem; }
.card h3 { font-family:var(--font-heading); font-size:1.55rem; margin-bottom:0.5rem; color:var(--color-text); }
.card p { color:var(--color-text-muted); line-height:1.65; font-size:0.95rem; }

/* Technology */
#technology { background:var(--color-bg); }
.tech-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:2.5rem; align-items:center; margin-top:2.25rem; }
.tech-features { display:flex; flex-direction:column; gap:0.9rem; list-style:none; }
.tech-feature { display:flex; gap:0.7rem; align-items:flex-start; }
.check-icon { width:22px; height:22px; background:var(--color-primary); border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:3px; }
.check-icon::after { content:"✓"; color:white; font-weight:bold; font-size:12px; }
.stats-card { background:linear-gradient(135deg,var(--color-primary),#4a7c4a); border-radius:var(--radius-lg); padding:2rem; color:white; box-shadow:0 16px 36px rgba(0,0,0,0.1); }
.stat-item { margin-bottom:1.5rem; }
.stat-item:last-child { margin-bottom:0; }
.stat-label { color:var(--color-accent-light); font-size:0.85rem; margin-bottom:0.35rem; }
.stat-value { font-size:2.6rem; font-weight:700; font-family:var(--font-heading); line-height:1; }
.stat-sub { color:#e8f5e9; font-size:0.82rem; margin-top:0.2rem; }
.stat-divider { height:1px; background:rgba(255,255,255,0.18); margin:1.5rem 0; }

/* Products */
#products { background:var(--color-bg-alt); }
.products-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.5rem; margin-top:2.25rem; }
.product-card { 
  background:var(--color-bg-alt); 
  border-radius:var(--radius-md); 
  overflow:hidden; 
  box-shadow:0 3px 16px rgba(0,0,0,0.07); 
  transition:var(--transition); 
  display:flex; 
  flex-direction:column; 
}
.product-card:hover { transform:translateY(-6px); box-shadow:0 16px 36px rgba(34,139,34,0.14); }
.product-card .product-img {
  width:100%; 
  height:300px; 
  object-fit:cover; 
  display:block; 
  flex-shrink:0;
  aspect-ratio: 4/3;
}
.product-body { padding:1.25rem 1.25rem 1.4rem; flex:1; }
.product-name { font-family:var(--font-heading); font-size:1.45rem; font-weight:700; color:var(--color-text); margin-bottom:0.4rem; }
.product-description { color:var(--color-text-muted); font-size:0.92rem; line-height:1.55; }

/* Founder */
#founder { background:var(--color-bg); }
.founder-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:2.5rem; align-items:center; margin-top:2.25rem; }
.founder-card { background:linear-gradient(135deg,#f5f0e6,var(--color-bg-alt)); padding:2.5rem; border-radius:var(--radius-lg); box-shadow:0 16px 36px rgba(0,0,0,0.06); }
.founder-photo {
  width:200px; height:200px; border-radius:50%; object-fit:cover; display:block;
  margin-bottom:1.25rem;
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
  border:3px solid #e8f5e9;
}
.founder-name { font-family:var(--font-heading); font-size:2rem; font-weight:700; color:var(--color-text); margin-bottom:0.3rem; }
.founder-title { color:var(--color-text-muted); font-weight:600; font-size:0.92rem; margin-bottom:1.25rem; }
.founder-divider { height:1px; background:#e0e0e0; margin-bottom:1.25rem; }
.founder-quote { color:var(--color-text-muted); font-style:italic; line-height:1.7; font-size:0.95rem; }
.founder-bio { display:flex; flex-direction:column; gap:1rem; font-size:1rem; color:var(--color-text); line-height:1.8; }

/* Sustainability */
#sustainability { background:var(--color-primary-dark); color:white; }
.sustainability-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1.25rem; margin-top:2.25rem; }
.sustainability-stat {
  background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-md); padding:1.6rem 1.25rem; text-align:center; transition:var(--transition);
}
.sustainability-stat:hover { background:rgba(255,255,255,0.11); transform: translateY(-3px); }
.sustainability-cta {
  margin-top:2.25rem; background:rgba(45,90,22,0.3); backdrop-filter:blur(10px);
  border-radius:var(--radius-lg); padding:2.25rem; border:1px solid rgba(255,255,255,0.1);
}
.sustainability-cta h3 { font-family:var(--font-heading); font-size:2rem; font-weight:700; margin-bottom:1rem; }
.sustainability-cta p { color:var(--color-accent-light); font-size:1rem; line-height:1.75; max-width:820px; margin:0 auto; }

/* Contact */
#contact { background:var(--color-bg); }
.contact-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:1.5rem; margin-top:2.25rem; }
.contact-card { background:var(--color-bg-alt); border-radius:var(--radius-md); padding:1.75rem; box-shadow:var(--shadow-md); }
.contact-card h3 { font-family:var(--font-heading); font-size:1.65rem; font-weight:700; margin-bottom:1.25rem; color:var(--color-text); }
.form-group { margin-bottom:1.1rem; position:relative; }
.form-group label { display:block; color:var(--color-text); font-weight:600; font-size:0.9rem; margin-bottom:0.4rem; }
.form-input {
  width:100%; padding:0.85rem 1rem; border:1.5px solid #e5e5e0;
  border-radius:8px; font-family:var(--font-body); font-size:0.95rem;
  transition:var(--transition); background:white;
}
.form-input:focus { border-color:var(--color-primary); outline:none; box-shadow:0 0 0 3px rgba(45,90,45,0.1); }
textarea.form-input { resize:vertical; min-height:110px; }
.submit-btn {
  width:100%; padding:0.9rem; border-radius:6px;
  background:linear-gradient(135deg,var(--color-primary),#4a7c4a); color:white;
  font-size:0.95rem; font-weight:600; border:none; cursor:pointer;
  font-family:var(--font-body); transition:var(--transition);
  display:flex; align-items:center; justify-content:center; gap:0.5rem;
}
.submit-btn:hover:not(:disabled) { transform:translateY(-1px); box-shadow:0 8px 22px rgba(45,90,45,0.28); }
.submit-btn:focus-visible { outline:3px solid var(--color-accent); outline-offset:3px; }
.submit-btn:disabled { opacity:0.6; cursor:not-allowed; transform:none; }
.btn-spinner { display:none; width:15px; height:15px; border:2px solid rgba(255,255,255,0.35); border-top-color:white; border-radius:50%; animation:spin 0.7s linear infinite; }
.btn-spinner.active { display:block; }
.char-counter { font-size:0.74rem; color:#aaa; text-align:right; margin-top:0.2rem; }
.char-counter.warn { color:#e65100; }
.contact-info { display:flex; flex-direction:column; gap:1.1rem; }
.info-item { display:flex; gap:0.9rem; align-items:flex-start; }
.info-icon { width:42px; height:42px; background:#e8f5e9; border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:1.1rem; }
.info-content p:first-child { font-weight:600; font-size:0.88rem; color:var(--color-text); margin-bottom:0.15rem; }
.info-content a { color:var(--color-primary); text-decoration:none; transition:color 0.3s; font-size:0.92rem; }
.info-content a:hover { color:var(--color-primary-dark); }
.map-wrap { border-radius:var(--radius-md); overflow:hidden; border:1.5px solid #e0e0e0; position:relative; padding-bottom:56.25%; height:0; margin-top:1.5rem; }
.map-wrap iframe { position:absolute; top:0; left:0; width:100%; height:100%; border:0; display:block; }

/* Footer */
footer { background:var(--color-primary-dark); color:#d8e2d0; padding:3rem 5% 1.75rem; }
.footer-grid { max-width:1280px; margin:0 auto; display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:2.25rem; margin-bottom:2.25rem; }
.footer-logo { font-family:var(--font-heading); font-size:1.65rem; font-weight:700; color:white; margin-bottom:0.75rem; }
.footer-links h4 { color:#ddb762; margin-bottom:0.75rem; font-size:0.92rem; font-weight:600; }
.footer-links ul { list-style:none; display:flex; flex-direction:column; gap:0.45rem; }
.footer-links a { color:#d8e2d0; text-decoration:none; font-size:0.88rem; opacity:0.88; transition:var(--transition); }
.footer-links a:hover { opacity:1; color:#ddb762; }
.footer-bottom { text-align:center; padding-top:1.25rem; border-top:1px solid rgba(255,255,255,0.08); opacity:0.7; font-size:0.82rem; }

/* Skip link */
.skip-link { position:absolute; top:-100px; left:1rem; background:var(--color-primary); color:white; padding:0.45rem 0.9rem; border-radius:0 0 6px 6px; text-decoration:none; font-weight:600; transition:top 0.2s; z-index:9999; font-size:0.9rem; }
.skip-link:focus { top:0; }

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display:flex; }
  .nav-links {
    display:none; position:absolute; top:64px; left:0; width:100%;
    background:rgba(255,255,255,0.98); flex-direction:column; align-items:center;
    gap:0.9rem; padding:1.5rem 0; box-shadow:0 16px 28px rgba(0,0,0,0.06);
  }
  .nav-links.active { display:flex; }

  body { font-size:0.92rem; }
  section { padding:2.5rem 4%; }
  .section-title { font-size:1.85rem; }
  .section-description { font-size:0.95rem; }

  #home { min-height:60vh; }
  .hero-content h1 { font-size:2.2rem; letter-spacing:-0.5px; }
  .hero-content p { font-size:0.95rem; }

  .products-grid { grid-template-columns:repeat(2,1fr); gap:0.85rem; }
  .product-card .product-img { height:180px; }
  .product-body { padding:0.85rem; }
  .product-name { font-size:1.05rem; }
  .product-description { font-size:0.8rem; line-height:1.45; }

  .about-cards { gap:1rem; }
  .card-img { height:160px; }
  .card h3 { font-size:1.3rem; }
  .card p { font-size:0.88rem; }

  .founder-card { padding:1.75rem; }
  .founder-name { font-size:1.6rem; }
  .founder-bio { font-size:0.9rem; }
  .founder-photo { width:120px; height:120px; }

  .stats-card { padding:1.5rem; }
  .stat-value { font-size:2.2rem; }

  .sustainability-stats { grid-template-columns:repeat(2,1fr); gap:0.85rem; }
  .sustainability-cta { padding:1.5rem 1.1rem; }
  .sustainability-cta h3 { font-size:1.65rem; }
  .sustainability-cta p { font-size:0.9rem; }

  .contact-card { padding:1.35rem; }
  .contact-card h3 { font-size:1.35rem; margin-bottom:1rem; }
  .form-input { padding:0.75rem 0.9rem; font-size:0.9rem; }

  .footer-grid { gap:1.5rem; }
  .footer-logo { font-size:1.4rem; }
}

@media (max-width: 400px) {
  .hero-content h1 { font-size:1.9rem; }
  .btn { padding:0.7rem 1.6rem; font-size:0.88rem; }
  .products-grid { grid-template-columns: 1fr; }
  .product-card .product-img { height:220px; }
}

/* Reduced motion */
@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; }
}