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

    :root {
      --green-deep: #2d5016;
      --green-mid: #4a7c2f;
      --green-light: #7ab648;
      --green-pale: #d4e8b8;
      --green-wash: #f0f7e6;
      --cream: #faf7f0;
      --cream-dark: #f0ebe0;
      --brown-warm: #8b6f47;
      --brown-light: #c4a882;
      --text-dark: #1e2a12;
      --text-body: #3d4a2e;
      --text-muted: #7a8a6a;
      --white: #ffffff;
      --font-serif: 'Playfair Display', Georgia, serif;
      --font-sans: 'Inter', system-ui, sans-serif;
      --radius: 12px;
      --shadow: 0 2px 16px rgba(45, 80, 22, 0.10);
      --shadow-hover: 0 8px 32px rgba(45, 80, 22, 0.18);
    }

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

    body {
      font-family: var(--font-sans);
      background: var(--cream);
      color: var(--text-body);
      line-height: 1.6;
    }

    /* --- HEADER / NAV --- */
    .site-header {
      background: var(--white);
      border-bottom: 1px solid var(--green-pale);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0.8rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      font-family: var(--font-serif);
      font-size: 1.4rem;
      color: var(--green-deep);
      text-decoration: none;
      font-weight: 700;
    }
    .logo span { color: var(--green-light); }

    nav { display: flex; align-items: center; gap: 1.5rem; }
    nav a {
      text-decoration: none;
      color: var(--text-body);
      font-size: 0.9rem;
      font-weight: 500;
      transition: color 0.15s;
    }
    nav a:hover { color: var(--green-mid); }

    .cart-btn {
      position: relative;
      background: var(--green-wash);
      border: none;
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--green-deep);
      cursor: pointer;
      transition: all 0.15s;
    }
    .cart-btn:hover { background: var(--green-pale); }
    .cart-badge {
      position: absolute;
      top: -4px;
      right: -4px;
      background: var(--green-mid);
      color: var(--white);
      font-size: 0.7rem;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .cart-badge.hidden { display: none; }

    /* --- HERO --- */
    .hero {
      background: linear-gradient(135deg, var(--green-wash) 0%, var(--cream) 50%, var(--green-wash) 100%);
      padding: 5rem 1.5rem 4rem;
      text-align: center;
    }
    .hero h1 {
      font-family: var(--font-serif);
      font-size: clamp(2rem, 5vw, 3.2rem);
      color: var(--green-deep);
      line-height: 1.2;
      margin-bottom: 1rem;
    }
    .hero h1 em { font-style: italic; color: var(--green-mid); }
    .hero p {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 520px;
      margin: 0 auto 2rem;
    }
    .hero-cta {
      display: inline-block;
      background: var(--green-mid);
      color: var(--white);
      padding: 0.9rem 2rem;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      font-size: 1rem;
      transition: all 0.2s;
      box-shadow: 0 4px 16px rgba(74, 124, 47, 0.3);
    }
    .hero-cta:hover { background: var(--green-deep); transform: translateY(-2px); }

    .hero-badges {
      display: flex;
      justify-content: center;
      gap: 2rem;
      margin-top: 2.5rem;
      flex-wrap: wrap;
    }
    .hero-badge {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .hero-badge span { font-size: 1.3rem; }

    /* --- SECTION HELPERS --- */
    .section { max-width: 1200px; margin: 0 auto; padding: 4rem 1.5rem; }
    .section-title {
      font-family: var(--font-serif);
      font-size: 1.8rem;
      color: var(--green-deep);
      text-align: center;
      margin-bottom: 0.5rem;
    }
    .section-subtitle {
      text-align: center;
      color: var(--text-muted);
      margin-bottom: 2.5rem;
      font-size: 0.95rem;
    }

    /* --- CATEGORY FILTERS --- */
    .filters {
      display: flex;
      justify-content: center;
      gap: 0.5rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
    }
    .filter-btn {
      padding: 0.45rem 1.1rem;
      border: 2px solid var(--green-pale);
      border-radius: 20px;
      background: var(--white);
      color: var(--text-body);
      font-size: 0.85rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.15s;
    }
    .filter-btn:hover { border-color: var(--green-mid); color: var(--green-deep); }
    .filter-btn.active { background: var(--green-mid); color: var(--white); border-color: var(--green-mid); }

    /* --- PLANT SHOP GRID --- */
    .shop-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.5rem;
    }

    .plant-card {
      background: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: all 0.2s;
      cursor: pointer;
    }
    .plant-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

    .plant-card-img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      background: var(--green-wash);
    }
    .plant-card-img.placeholder {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
    }

    .plant-card-body { padding: 1.2rem; }
    .plant-card-body h3 {
      font-size: 1.05rem;
      color: var(--text-dark);
      margin-bottom: 0.3rem;
    }
    .plant-card-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.8rem;
    }
    .plant-card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .plant-price {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--green-deep);
    }
    .add-to-cart {
      background: var(--green-mid);
      color: var(--white);
      border: none;
      padding: 0.5rem 1.2rem;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.15s;
    }
    .add-to-cart:hover { background: var(--green-deep); }
    .add-to-cart:disabled { background: #ccc; cursor: not-allowed; }

    .empty-shop {
      grid-column: 1 / -1;
      text-align: center;
      padding: 4rem 2rem;
      color: var(--text-muted);
    }
    .empty-shop .icon { font-size: 3rem; margin-bottom: 1rem; }

    /* --- ABOUT --- */
    .about-section {
      background: var(--white);
      border-radius: var(--radius);
      padding: 3rem 2rem;
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 3rem;
      align-items: center;
      box-shadow: var(--shadow);
    }
    .about-avatar {
      width: 100%;
      aspect-ratio: 1;
      background: linear-gradient(135deg, var(--green-wash), var(--green-pale));
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 5rem;
    }
    .about-text h3 {
      font-family: var(--font-serif);
      font-size: 1.4rem;
      color: var(--green-deep);
      margin-bottom: 1rem;
    }
    .about-text p { margin-bottom: 0.8rem; color: var(--text-body); }

    /* --- HOW IT WORKS --- */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
    }
    .step-card {
      text-align: center;
      padding: 2rem 1.5rem;
      background: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .step-number {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--green-mid);
      color: var(--white);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 1rem;
    }
    .step-card h4 { color: var(--green-deep); margin-bottom: 0.5rem; }
    .step-card p { font-size: 0.9rem; color: var(--text-muted); }

    /* --- CART DRAWER --- */
    .cart-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.4);
      z-index: 200;
    }
    .cart-overlay.open { display: block; }

    .cart-drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: 420px;
      max-width: 90vw;
      height: 100vh;
      background: var(--white);
      box-shadow: -8px 0 32px rgba(0,0,0,0.15);
      z-index: 201;
      display: flex;
      flex-direction: column;
      transform: translateX(100%);
      transition: transform 0.3s ease;
    }
    .cart-overlay.open .cart-drawer { transform: translateX(0); }

    .cart-header {
      padding: 1.5rem;
      border-bottom: 1px solid var(--green-pale);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .cart-header h2 { font-size: 1.2rem; color: var(--green-deep); }
    .cart-close {
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-muted);
      padding: 0.25rem;
    }

    .cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.5rem; }

    .cart-item {
      display: grid;
      grid-template-columns: 60px 1fr auto;
      gap: 1rem;
      align-items: center;
      padding: 1rem 0;
      border-bottom: 1px solid #f0f0ec;
    }
    .cart-item-img {
      width: 60px;
      height: 60px;
      border-radius: 8px;
      object-fit: cover;
      background: var(--green-wash);
    }
    .cart-item-name { font-weight: 600; font-size: 0.9rem; }
    .cart-item-price { font-size: 0.85rem; color: var(--text-muted); }

    .cart-item-qty {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .qty-btn {
      width: 28px;
      height: 28px;
      border: 1px solid #e0e0dc;
      border-radius: 6px;
      background: var(--white);
      cursor: pointer;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .qty-btn:hover { background: var(--green-wash); }

    .cart-empty {
      text-align: center;
      padding: 3rem 1rem;
      color: var(--text-muted);
    }

    .cart-footer {
      padding: 1.5rem;
      border-top: 1px solid var(--green-pale);
      background: var(--green-wash);
    }
    .cart-total {
      display: flex;
      justify-content: space-between;
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--green-deep);
      margin-bottom: 1rem;
    }
    .checkout-btn {
      width: 100%;
      padding: 0.9rem;
      background: var(--green-mid);
      color: var(--white);
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.15s;
    }
    .checkout-btn:hover { background: var(--green-deep); }
    .checkout-btn:disabled { background: #aaa; cursor: not-allowed; }

    /* --- CHECKOUT FORM (in cart drawer) --- */
    .checkout-form { display: none; padding: 0 1.5rem 1.5rem; }
    .checkout-form.visible { display: block; }
    .checkout-form label {
      display: block;
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 0.3rem;
      margin-top: 0.8rem;
      color: var(--text-body);
    }
    .checkout-form input,
    .checkout-form textarea {
      width: 100%;
      padding: 0.6rem 0.8rem;
      border: 2px solid #e5e5e0;
      border-radius: 8px;
      font-size: 0.9rem;
      font-family: inherit;
      outline: none;
    }
    .checkout-form input:focus,
    .checkout-form textarea:focus { border-color: var(--green-mid); }
    .checkout-form textarea { resize: vertical; min-height: 60px; }

    /* --- FOOTER --- */
    .site-footer {
      background: var(--green-deep);
      color: rgba(255,255,255,0.7);
      padding: 3rem 1.5rem;
      margin-top: 4rem;
    }
    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .footer-brand {
      font-family: var(--font-serif);
      font-size: 1.2rem;
      color: var(--white);
    }
    .footer-links { display: flex; gap: 1.5rem; }
    .footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.85rem; }
    .footer-links a:hover { color: var(--white); }

    /* --- TOAST --- */
    .toast {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      padding: 0.8rem 1.5rem;
      background: var(--green-deep);
      color: var(--white);
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 500;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      transform: translateY(100px);
      opacity: 0;
      transition: all 0.3s;
      z-index: 300;
    }
    .toast.show { transform: translateY(0); opacity: 1; }

    /* --- RESPONSIVE --- */
    @media (max-width: 768px) {
      .about-section { grid-template-columns: 1fr; }
      .about-avatar { max-width: 200px; margin: 0 auto; }
      .hero { padding: 3rem 1.5rem 2.5rem; }
      nav a.hide-mobile { display: none; }
    }

    @media (max-width: 480px) {
      .shop-grid { grid-template-columns: 1fr; }
      .hero-badges { gap: 1rem; }
    }

    /* Loading skeleton */
    .skeleton {
      background: linear-gradient(90deg, var(--green-wash) 25%, var(--cream) 50%, var(--green-wash) 75%);
      background-size: 200% 100%;
      animation: shimmer 1.5s infinite;
      border-radius: var(--radius);
    }
    @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }