/* ==================== */
/* CSS Variables */
/* ==================== */
:root {
    /* Green Color Palette */
    --primary-color: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --primary-lighter: #81C784;
    --primary-bg: #E8F5E9;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #1a1a1a;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    
    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Header Height */
    --header-height: 4rem;
}

/* ==================== */
/* Base Styles */
/* ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* ==================== */
/* Reusable Classes */
/* ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ==================== */
/* Header & Navigation */
/* ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.logo-image {
    height: 40px;
    width: auto;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-logo:hover .logo-image,
.footer-logo:hover .logo-image {
    transform: scale(1.05);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: var(--spacing-sm) 0;
}

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

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

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

.nav-toggle,
.nav-close {
    display: none;
    font-size: var(--font-size-xl);
    color: var(--gray-700);
    cursor: pointer;
}

/* ==================== */
/* Hero Section */
/* ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--white) 50%, var(--primary-bg) 100%);
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-lighter) 0%, transparent 70%);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-subtitle {
    display: inline-block;
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-title span {
    color: var(--primary-color);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.6s forwards;
    opacity: 0;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease forwards;
}

.hero-img-wrapper {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.hero-icon {
    font-size: 150px;
    color: var(--white);
}

.hero-logo-large {
    width: 80%;
    height: auto;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

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

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Down Animation */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 1s ease 1s forwards;
    opacity: 0;
    z-index: 10;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* ==================== */
/* Focus Areas Section */
/* ==================== */
.focus {
    background-color: var(--white);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.focus-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.focus-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.focus-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--white) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    transition: var(--transition-normal);
}

.focus-icon i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.focus-card:hover .focus-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.focus-card:hover .focus-icon i {
    color: var(--white);
}

.focus-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.focus-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ==================== */
/* About Section */
/* ==================== */
.about {
    background: linear-gradient(180deg, var(--primary-bg) 0%, var(--white) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about .section-title {
    text-align: left;
}

.about-heading {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.about-features {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
}

.about-features .about-heading {
    margin-top: 0;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.feature-item i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    margin-top: 2px;
}

.feature-item span {
    color: var(--gray-700);
    font-weight: 500;
}

/* ==================== */
/* Services Section */
/* ==================== */
.services {
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-bg);
    line-height: 1;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.service-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ==================== */
/* Updates Section */
/* ==================== */
.updates {
    background-color: var(--primary-bg);
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.update-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border-top: 4px solid var(--primary-color);
}

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

.update-date {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    background-color: var(--gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.update-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.update-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-download:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ==================== */
/* Contact Section */
/* ==================== */
.contact {
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-bg) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray-600);
}

.contact-item a {
    color: var(--primary-color);
}

.contact-item a:hover {
    color: var(--primary-dark);
}

.contact-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.contact-cta p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.contact-cta strong {
    font-size: var(--font-size-lg);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== */
/* Footer */
/* ==================== */
.footer {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900, #212529) 100%);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-700);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    color: var(--primary-light);
}

.footer-brand p {
    color: var(--gray-400);
    max-width: 300px;
}

.footer h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

/* ==================== */
/* Scroll to Top Button */
/* ==================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==================== */
/* Responsive Design */
/* ==================== */
@media screen and (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-img-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .hero-icon {
        font-size: 120px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about .section-title {
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .nav-logo {
        font-size: var(--font-size-lg);
    }

    .logo-image {
        height: 32px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-3xl) var(--spacing-xl);
        transition: var(--transition-normal);
        z-index: 1001;
    }
    
    .nav-menu.show {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }
    
    .nav-close {
        display: block;
        position: absolute;
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        font-size: var(--font-size-xl);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-2xl);
        min-height: auto;
    }
    
    .hero-img-wrapper {
        width: 200px;
        height: 200px;
    }
    
    .hero-icon {
        font-size: 80px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .focus-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}

/* ==================== */
/* Animations for Scroll */
/* ==================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}