:root {
    --primary-green: #2E7D32;
    --hover-green: #1B5E20;
    --accent-color: #E8F5E9;
    --dark-text: #1E293B;
    --light-gray: #F8FAFC;
    --white: #ffffff;
    --border-color: #E2E8F0;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--light-gray);
    color: var(--dark-text);
    overflow-x: hidden;
}

.main-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    margin: 0 15px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: width 0.3s ease;
}

.nav-links a:hover, 
.nav-links a.active {
    color: var(--primary-green);
    font-weight: 600;
}

.nav-links a.active::after {
    width: 100%;
}

.cart-btn {
    background: var(--accent-color);
    color: var(--primary-green);
    border: none;
    padding: 10px 18px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.2s;
}

.cart-btn:hover {
    transform: scale(1.05);
    background-color: #C8E6C9;
}

.cart-badge {
    background: var(--primary-green);
    color: var(--white);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 50%;
}

.hero {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-content h1 {
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.2;
    margin: 15px 0;
    color: var(--dark-text);
}

.hero-content p {
    color: #64748B;
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.hero-tag {
    background: var(--accent-color);
    color: var(--primary-green);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    display: inline-block;
}

.cta-btn {
    background: var(--primary-green);
    color: var(--white);
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s, transform 0.2s;
}

.cta-btn:hover {
    background: var(--hover-green);
    transform: translateY(-3px);
}

.animate-pop img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    animation: popIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.shop-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--dark-text);
}

.section-title p {
    color: #64748B;
    margin-top: 10px;
}

.plants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.plant-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
    animation: fadeInUp 0.6s ease forwards;
}

.plant-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.plant-img-container {
    position: relative;
    width: 100%;
    height: 280px;
    background-color: #F1F5F9;
    overflow: hidden;
}

.plant-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.plant-card:hover .plant-img-container img {
    transform: scale(1.08);
}

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    color: var(--white);
}

.badge.sale {
    background: #EF4444;
}

.badge.safe {
    background: #3B82F6;
}

.plant-info {
    padding: 20px;
}

.plant-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark-text);
}

.plant-desc {
    color: #64748B;
    font-size: 14px;
    margin-bottom: 20px;
}

.plant-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plant-bottom .price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-green);
}

.old-price {
    font-size: 14px;
    text-decoration: line-through;
    color: #94A3B8;
    margin-right: 5px;
}

.add-to-cart-btn {
    background: var(--accent-color);
    color: var(--primary-green);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.add-to-cart-btn:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: scale(1.05);
}

.care-section {
    background-color: var(--white);
    padding: 80px 20px;
    border-top: 1px solid var(--border-color);
}

.care-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.care-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 16px;
    background-color: var(--light-gray);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.care-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-sm);
}

.care-icon {
    font-size: 32px;
    color: var(--primary-green);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.care-card:hover .care-icon {
    transform: scale(1.15) rotate(10deg);
}

.care-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.care-card p {
    color: #64748B;
    font-size: 15px;
    line-height: 1.6;
}

.about-section {
    max-width: 1200px;
    margin: 100px auto;
    padding: 0 20px;
}

.about-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 800;
    margin: 20px 0;
}

.about-text p {
    color: #64748B;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.about-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    max-width: 100%;
    height: 100vh;
    background: var(--white);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 25px rgba(0,0,0,0.1);
    transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.open {
    right: 0;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1000;
    display: none;
}

.cart-overlay.open {
    display: block;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-cart {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.cart-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-details h4 {
    font-size: 14px;
    font-weight: 600;
}

.cart-item-details p {
    color: var(--primary-green);
    font-weight: 700;
    font-size: 13px;
    margin-top: 3px;
}

.remove-btn {
    background: none;
    border: none;
    color: #EF4444;
    font-size: 12px;
    cursor: pointer;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--light-gray);
}

.subtotal {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    margin-bottom: 15px;
    font-size: 16px;
}

.checkout-btn {
    width: 100%;
    background: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.checkout-btn:hover {
    background: var(--hover-green);
}

.empty-msg {
    text-align: center;
    color: #94A3B8;
    margin-top: 40px;
}

footer {
    background: var(--dark-text);
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
}

.credits {
    margin-top: 10px;
    font-size: 14px;
    color: #94A3B8;
}

.developer-name {
    color: #A5D6A7;
    font-weight: 600;
}

@media(max-width: 992px) {
    .plants-grid, 
    .care-grid, 
    .about-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .about-container {
        grid-template-columns: 1fr;
    }
}

@media(max-width: 650px) {
    .plants-grid, 
    .care-grid {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
}