:root {
    --primary: #00BFA5;
    --primary-dark: #00897B;
    --secondary: #2979FF;
    --accent: #FF4081;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --text-main: #263238;
    --text-muted: #546E7A;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    /* Fallback until Google Fonts loaded */
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

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

.cta-button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 191, 165, 0.4);
    color: white;
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    /* Use the requested image as background */
    background: url('../img/top_title.jpg') no-repeat center center/cover;
    text-align: center;
    position: relative;
    overflow: hidden;
    /* Ensure minimum height to show the background image effectively */
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Overlay to improve text readability on top of image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Adjust opacity/color based on the image brightness. Assuming a light overlay to keep dark text readable, or dark overlay for white text.
       Given the previous design was light, let's try a subtle white overlay first, or a light gradient. */
    background: rgba(255, 255, 255, 0.7);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.2rem;
    /* Ensure text stands out. Dark text on light overlay. */
    color: var(--primary-dark);
    background: none;
    -webkit-text-fill-color: initial;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.5);
}

.hero p {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 1.8rem;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}



/* Features Grid */
.features {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

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

.feature-card:hover::before {
    transform: scaleY(1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* AI Showcase Section */
.ai-section {
    padding: 100px 0;
    background-color: #F0F4C3;
    /* Soft Light Green/Yellow background for variety */
    background: linear-gradient(135deg, #F1F8E9, #E1F5FE);
}

.ai-contianer {
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.ai-text {
    flex: 1;
    min-width: 300px;
}

.ai-visual {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Slide Show Simulation in CSS */
.slideshow-mockup {
    width: 100%;
    height: 250px;
    background: #E0E0E0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #757575;
    position: relative;
    animation: slideBg 10s infinite alternate;
}

@keyframes slideBg {
    0% {
        background-color: #B2DFDB;
    }

    50% {
        background-color: #B3E5FC;
    }

    100% {
        background-color: #FFCCBC;
    }
}

/* Forms Section */
.forms-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 4rem;
}

.form-box {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid #eee;
}

.form-box h3 {
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
}

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

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}

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

/* Footer */
footer {
    background-color: #263238;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-links h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #B0BEC5;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    color: #78909C;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* simple hide for now, would need JS for hamburger */
    }

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

/* Social Links */
.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: #B0BEC5;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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