:root {
    --primary-green: #61CE70;
    --primary-green-hover: #4fb35d;
    --dark-text: #272626;
    --light-text: #ffffff;
    --bg-light: #f9f9f9;
    --overlay-color: rgba(39, 38, 38, 0.6); /* Darker overlay for better contrast */
    --accent-yellow: #f1c40f; /* Approximated based on gradient description */
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Albert Sans', sans-serif;
    color: var(--dark-text);
    background-color: #fff;
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: 'Oxygen', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.brand-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Oxygen', sans-serif;
    font-weight: 900;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-green), #d4ed60);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    font-size: 0.95rem;
}

.cta-button-small {
    background-color: var(--primary-green);
    color: white !important;
    padding: 8px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button-small:hover {
    background-color: var(--primary-green-hover);
}

/* Hero Section */
.hero-section {
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?ixlib=rb-4.0.3&auto=format&fit=crop&w=2426&q=80'); /* Professional tech/data bg */
    background-size: cover;
    background-position: center;
    padding: 140px 0 100px;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(39,38,38,0.85) 0%, rgba(97,206,112,0.6) 100%);
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Box */
.search-box-wrapper {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    background: rgba(255,255,255,0.15);
    padding: 10px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

#keywordInput {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-family: 'Albert Sans', sans-serif;
}

#keywordInput:focus {
    outline: 2px solid var(--primary-green);
}

.primary-btn {
    font-family: 'Asap', sans-serif;
    background-color: var(--primary-green);
    color: white;
    border: none;
    padding: 0 30px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

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

/* Sections */
.section-container {
    padding: 60px 0;
}

.hidden {
    display: none;
}

.section-heading {
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--dark-text);
    text-align: center; /* Centered headings for sections */
}

/* Google Trends */
#trendsSection {
    background-color: var(--bg-light);
}

#googleTrendsContainer {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    min-height: 400px;
}

/* Results Table */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.secondary-btn {
    background-color: var(--dark-text);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Asap', sans-serif;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-radius: 8px;
    overflow: hidden;
}

.data-table th, .data-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background-color: #f4f4f4;
    font-weight: 600;
    color: var(--dark-text);
}

.data-table tr:hover {
    background-color: #f9fff9;
}

.data-table td:nth-child(2), 
.data-table td:nth-child(3) {
    font-family: monospace; /* Number columns */
    font-size: 1.1em;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .search-box-wrapper {
        flex-direction: column;
        background: transparent;
        padding: 0;
    }
    .primary-btn {
        padding: 15px;
    }
}