/* Global Styles */
:root {
    --primary-color: #4CAF50;
    --secondary-color: #8BC34A;
    --accent-color: #FFC107;
    --dark-color: #333;
    --light-color: #f9f9f9;
    --text-color: #444;
    --text-light: #777;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
}

.btn:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(76, 175, 80, 0.4);
}

.btn:active {
    transform: translateY(0);
}

section {
    padding: 80px 0;
}

/* Animations */
@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.animate-pop-in {
    animation: popIn 0.8s ease forwards;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delay {
    animation: float 4s ease-in-out 1s infinite;
}

/* Header */
.header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.9), rgba(139, 195, 74, 0.9));
    color: white;
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0;
    animation-delay: 0.2s;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation-delay: 0.4s;
}

.hero-content .btn {
    opacity: 0;
    animation-delay: 0.6s;
}

.hero-icons {
    display: flex;
    justify-content: center;
    margin-top: 50px;
    gap: 30px;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Recipes Section */
.recipes h2, .videos h2, .nutrition h2, .about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-color);
    position: relative;
}

.recipes h2::after, .videos h2::after, .nutrition h2::after, .about h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.recipe-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 25px;
    text-align: center;
}

.recipe-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.recipe-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.recipe-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.recipe-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.recipe-info i {
    margin-right: 5px;
    color: var(--primary-color);
}

.recipe-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.btn-recipe {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn-recipe:hover {
    background-color: var(--secondary-color);
}

.recipe-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    text-align: left;
    margin-top: 15px;
}

.recipe-details.active {
    max-height: 1000px;
}

.recipe-details h4 {
    margin: 15px 0 10px;
    color: var(--dark-color);
}

.recipe-details ul, .recipe-details ol {
    margin-left: 20px;
    color: var(--text-light);
}

.recipe-details li {
    margin-bottom: 5px;
}

/* Video Section */
.videos {
    background-color: #f1f8e9;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.video-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 25px;
    text-align: center;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.video-icon {
    font-size: 3rem;
    color: #FF0000;
    margin-bottom: 15px;
}

.video-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.video-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.btn-video {
    background-color: #FF0000;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: inline-block;
}

.btn-video:hover {
    background-color: #CC0000;
}

/* Nutrition Section */
.nutrition-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.nutrition-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 30px;
    text-align: center;
}

.nutrition-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.nutrition-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.nutrition-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.nutrition-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.calorie-display {
    margin-top: 20px;
}

#food-search {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 50px;
    margin-bottom: 15px;
    font-family: 'Poppins', sans-serif;
}

#calorie-result {
    min-height: 100px;
    border: 1px dashed #ddd;
    border-radius: 10px;
    padding: 15px;
    text-align: left;
}

.nutrition-card ul {
    text-align: left;
    margin-top: 20px;
}

.nutrition-card li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.nutrition-card li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.icon-stat {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.icon-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.icon-stat i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.icon-stat span {
    font-weight: 500;
}

/* Chatbot */
.chatbot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    overflow: hidden;
    transform: translateY(150%);
    transition: transform 0.5s ease;
}

.chatbot-container.active {
    transform: translateY(0);
}

.chatbot-header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header h3 {
    font-size: 1.2rem;
}

.close-chatbot {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

.chatbot-messages {
    height: 300px;
    padding: 20px;
    overflow-y: auto;
    background-color: #f9f9f9;
}

.bot-message, .user-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 80%;
    word-wrap: break-word;
}

.bot-message {
    background-color: white;
    border-bottom-left-radius: 5px;
    align-self: flex-start;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.user-message {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 5px;
    margin-left: auto;
}

.chatbot-input {
    display: flex;
    padding: 15px;
    background-color: white;
    border-top: 1px solid #eee;
}

.chatbot-input input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 50px;
    outline: none;
    font-family: 'Poppins', sans-serif;
}

.chatbot-input button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.chatbot-input button:hover {
    background-color: var(--secondary-color);
}

.chatbot-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.5);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    margin-bottom: 20px;
    color: #bbb;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent-color);
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #bbb;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px 0 0 5px;
    outline: none;
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0 15px;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #444;
    color: #bbb;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .chatbot-container {
        width: 300px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-icons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .recipe-grid, .video-grid, .nutrition-info {
        grid-template-columns: 1fr;
    }
    
    .chatbot-container {
        width: 100%;
        bottom: 0;
        right: 0;
        border-radius: 15px 15px 0 0;
    }
    
    .chatbot-toggle {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}