/* ============================================
   SMART FARMING - Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --green-dark:   #1a3d2b;
  --green-mid:    #2d6a4f;
  --green-bright: #40916c;
  --green-light:  #74c69d;
  --accent:       #f4a024;
  --accent-dark:  #d4880a;
  --cream:        #f8f4ed;
  --cream-dark:   #ede8df;
  --text-dark:    #1a1a1a;
  --text-mid:     #444;
  --text-light:   #777;
  --white:        #ffffff;
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg:    0 16px 48px rgba(0,0,0,0.16);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --transition:   0.25s ease;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { font-size: 1rem; color: var(--text-mid); }

/* --- Layout Utilities --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.text-center { text-align: center; }

.section-header { margin-bottom: 3rem; }
.section-header h2 { color: var(--green-dark); }
.section-header p  { color: var(--text-light); margin-top: .5rem; font-size: 1.05rem; }

.tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-radius: 20px;
  margin-bottom: .8rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--green-mid);
  color: var(--white);
  border-color: var(--green-mid);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--green-mid);
  border-color: var(--green-mid);
}
.btn-outline:hover {
  background: var(--green-mid);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--green-dark);
  border-color: var(--white);
}
.btn-white:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-lg { padding: 1rem 2.2rem; font-size: 1.05rem; }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--green-dark);
  box-shadow: var(--shadow-md);
  padding: 0 1.5rem;
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .02em;
}
.navbar-brand .brand-icon { font-size: 1.6rem; }
.navbar-brand span.accent { color: var(--accent); }

.navbar-links {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.navbar-links a {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  font-weight: 500;
  padding: .5rem .85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.navbar-links a:hover,
.navbar-links a.active {
  color: var(--white);
  background: rgba(255,255,255,.12);
}
.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.cart-btn {
  position: relative;
  color: var(--white);
  font-size: 1.3rem;
  padding: .4rem;
  transition: transform var(--transition);
}
.cart-btn:hover { transform: scale(1.1); }
.cart-badge {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--accent);
  color: var(--white);
  font-size: .65rem;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 100%);
  padding: 4rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: .75rem; }
.page-hero p  { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 520px; margin: 0 auto; }

/* ============================================
   CARDS
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}
.card-grid-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.card-image {
  height: 200px;
  background: var(--cream-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .card-image img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: .75rem; left: .75rem;
  background: var(--accent);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { color: var(--green-dark); margin-bottom: .4rem; }
.card-body p  { font-size: .9rem; color: var(--text-light); flex: 1; margin-bottom: 1rem; }
.card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.price { font-size: 1.2rem; font-weight: 700; color: var(--green-mid); font-family: var(--font-display); }
.price .unit { font-size: .75rem; font-weight: 400; color: var(--text-light); }

/* ============================================
   WORKER CARD
   ============================================ */
.worker-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-align: center;
}
.worker-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.worker-avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--green-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 1rem;
  border: 3px solid var(--cream-dark);
}
.worker-card h3 { color: var(--green-dark); margin-bottom: .25rem; }
.worker-role { font-size: .85rem; color: var(--text-light); margin-bottom: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.worker-stats { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 1.25rem; }
.stat { text-align: center; }
.stat-num { font-weight: 700; color: var(--green-mid); font-size: 1.1rem; }
.stat-label { font-size: .75rem; color: var(--text-light); }
.rating { color: var(--accent); font-size: .9rem; margin-bottom: 1rem; }

/* ============================================
   FILTERS / SEARCH BAR
   ============================================ */
.filters-bar {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.search-input-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}
.search-input-wrap input {
  width: 100%;
  padding: .65rem 1rem .65rem 2.5rem;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text-dark);
  transition: border-color var(--transition);
  background: var(--cream);
}
.search-input-wrap input:focus {
  outline: none;
  border-color: var(--green-bright);
}
.search-input-wrap .search-icon {
  position: absolute;
  left: .75rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1rem;
}
.filter-select {
  padding: .65rem 1rem;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text-dark);
  background: var(--cream);
  cursor: pointer;
  transition: border-color var(--transition);
}
.filter-select:focus { outline: none; border-color: var(--green-bright); }

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: .4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text-dark);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-bright);
  box-shadow: 0 0 0 3px rgba(64,145,108,.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.toast {
  background: var(--green-dark);
  color: var(--white);
  padding: .85rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: .9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: .6rem;
  min-width: 260px;
  animation: toastIn .3s ease;
  border-left: 4px solid var(--accent);
}
.toast.error  { border-left-color: #e74c3c; }
.toast.success{ border-left-color: var(--green-light); }
@keyframes toastIn  { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:none; } }
@keyframes toastOut { from { opacity:1; } to { opacity:0; transform:translateY(10px); } }

/* ============================================
   CART SIDEBAR
   ============================================ */
.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-sidebar {
  position: fixed;
  top: 0; right: -420px;
  width: 380px; max-width: 95vw;
  height: 100vh;
  background: var(--white);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transition: right .35s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.cart-sidebar.open { right: 0; }
.cart-header {
  background: var(--green-dark);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cart-header h2 { font-size: 1.2rem; color: var(--white); }
.cart-close {
  color: var(--white);
  font-size: 1.4rem;
  opacity: .75;
  transition: opacity var(--transition);
}
.cart-close:hover { opacity: 1; }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.5rem; }
.cart-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-light);
}
.cart-empty .empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.cart-item {
  display: flex;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--cream-dark);
  align-items: center;
}
.cart-item-icon { font-size: 2rem; width: 50px; text-align: center; }
.cart-item-info { flex: 1; }
.cart-item-name  { font-weight: 600; font-size: .9rem; color: var(--green-dark); }
.cart-item-price { font-size: .85rem; color: var(--green-mid); }
.cart-item-qty   {
  display: flex; align-items: center; gap: .4rem;
  font-size: .85rem;
}
.qty-btn {
  width: 24px; height: 24px;
  border-radius: 4px;
  background: var(--cream-dark);
  color: var(--text-dark);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  cursor: pointer; border: none;
}
.qty-btn:hover { background: var(--green-light); color: var(--white); }
.remove-item { color: #e74c3c; font-size: .85rem; cursor: pointer; transition: opacity var(--transition); }
.remove-item:hover { opacity: .7; }
.cart-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--cream-dark);
  background: var(--cream);
}
.cart-total { display: flex; justify-content: space-between; margin-bottom: 1rem; }
.cart-total span:first-child { font-weight: 600; }
.cart-total span:last-child  { font-weight: 700; color: var(--green-mid); font-size: 1.1rem; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--green-dark);
  color: rgba(255,255,255,.75);
  padding: 4rem 1.5rem 2rem;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p { font-size: .9rem; margin-top: .75rem; line-height: 1.7; }
.footer h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: .95rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.footer-links li { margin-bottom: .5rem; }
.footer-links a { font-size: .9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { font-size: .9rem; margin-bottom: .5rem; display: flex; align-items: center; gap: .5rem; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .85rem;
}
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  font-size: .95rem;
}
.footer-socials a:hover { background: var(--accent); }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .navbar-links, .navbar-actions .btn { display: none; }
  .hamburger { display: flex; }
  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--green-dark);
    padding: 1.5rem;
    gap: .25rem;
    box-shadow: var(--shadow-md);
  }
  .navbar-links.open a { padding: .75rem 1rem; }
  .section  { padding: 3rem 0; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .filters-bar { flex-direction: column; }
  .search-input-wrap { min-width: 100%; }
}
@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
}