/* ================================================
   CSS Variables & Reset
   ================================================ */
:root {
    /* Colors */
    --color-primary: #4CAF50;
    --color-secondary: #F9F9F9;
    --color-text-dark: #5D4037;
    --color-accent: #FFB74D;
    --color-white: #ffffff;
    --color-light-gray: #e8e8e8;
    --color-border: #d4d4d4;
    --color-success: #4CAF50;
    --color-error: #e53e3e;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Lato', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

button {
    font-family: var(--font-primary);
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

input,
textarea,
select {
    font-family: var(--font-primary);
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ================================================
   Typography
   ================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-text-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
    font-family: var(--font-secondary);
}

/* ================================================
   Layout Components
   ================================================ */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.grid-three {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ================================================
   Header & Navigation
   ================================================ */
.site-header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-md);
    max-width: var(--container-max);
    margin: 0 auto;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-desktop {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-dark);
    position: relative;
    padding: var(--space-sm) 0;
}

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

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

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

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    padding: var(--space-sm);
    cursor: pointer;
}

.burger-line {
    width: 24px;
    height: 3px;
    background-color: var(--color-text-dark);
    transition: all var(--transition-fast);
}

.burger-menu.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.nav-mobile.active {
    max-height: 500px;
}

.nav-mobile-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.nav-mobile-link {
    display: block;
    padding: var(--space-md);
    color: var(--color-text-dark);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.nav-mobile-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-large {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.1rem;
}

/* ================================================
   Hero Section
   ================================================ */
.hero-section {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(249, 249, 249, 0.9) 100%);
    padding: var(--space-xxl) 0;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.7) 0%, rgba(249, 249, 249, 0.85) 100%);
    z-index: 1;
}

.hero-section .hero-content {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    color: var(--color-text-dark);
    font-family: var(--font-secondary);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ================================================
   Cards
   ================================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.card-text {
    flex: 1;
    margin-bottom: var(--space-md);
    font-family: var(--font-secondary);
}

.card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.card-footer {
    margin-top: auto;
}

/* ================================================
   Quiz Component
   ================================================ */
.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-xl);
}

.quiz-progress {
    margin-bottom: var(--space-xl);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--color-light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.progress-text {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: var(--color-text-dark);
}

.quiz-question {
    margin-bottom: var(--space-xl);
}

.question-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.quiz-option {
    padding: var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.quiz-option:hover {
    border-color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.05);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.1);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
}

.quiz-result {
    text-align: center;
}

.result-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.result-plants {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

/* ================================================
   Features Section
   ================================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.feature-item {
    text-align: center;
    padding: var(--space-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.feature-text {
    font-family: var(--font-secondary);
    color: var(--color-text-dark);
}

/* ================================================
   Contact Form
   ================================================ */
.contact-section {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--color-text-dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-checkbox {
    width: auto;
    margin-top: 4px;
}

.form-checkbox-label {
    font-size: 0.9rem;
    font-family: var(--font-secondary);
}

.form-submit {
    width: 100%;
    padding: var(--space-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-submit:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ================================================
   Map Section
   ================================================ */
.map-container {
    margin: var(--space-xl) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ================================================
   Footer
   ================================================ */
.site-footer {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-xxl);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
    font-family: var(--font-secondary);
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ================================================
   Privacy Popup
   ================================================ */
.privacy-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.privacy-popup.active {
    display: flex;
}

.popup-content {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.popup-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-dark);
    padding: var(--space-sm);
}

.popup-close:hover {
    color: var(--color-primary);
}

.popup-text {
    margin-bottom: var(--space-md);
    font-family: var(--font-secondary);
}

/* ================================================
   Plant Gallery
   ================================================ */
.plant-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    aspect-ratio: 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ================================================
   Care Library
   ================================================ */
.care-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.category-card {
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.category-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.category-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.category-description {
    font-family: var(--font-secondary);
    margin-bottom: var(--space-md);
}

/* ================================================
   Thank You Page
   ================================================ */
.thankyou-container {
    text-align: center;
    padding: var(--space-xxl) var(--space-md);
    max-width: 700px;
    margin: 0 auto;
}

.thankyou-icon {
    font-size: 5rem;
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.thankyou-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-text-dark);
}

.thankyou-message {
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    font-family: var(--font-secondary);
}

/* ================================================
   404 Page
   ================================================ */
.error-container {
    text-align: center;
    padding: var(--space-xxl) var(--space-md);
    max-width: 700px;
    margin: 0 auto;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.error-title {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.error-message {
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    font-family: var(--font-secondary);
}

/* ================================================
   Policy Pages
   ================================================ */
.policy-section {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.policy-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.policy-content {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.policy-heading {
    font-size: 1.5rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.policy-text {
    margin-bottom: var(--space-md);
    font-family: var(--font-secondary);
    line-height: 1.8;
}

.policy-list {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
    font-family: var(--font-secondary);
}

.policy-list li {
    margin-bottom: var(--space-sm);
}

/* ================================================
   Responsive Design
   ================================================ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-desktop {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

    .nav-mobile {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .grid-two,
    .grid-three {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .error-code {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section {
        padding: var(--space-lg) 0;
    }

    .quiz-container {
        padding: var(--space-lg);
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 320px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 var(--space-sm);
    }
}