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

:root {
    --bg-color: #fdfbf7; /* Warmer background */
    --text-color: #2c3e50; /* Warmer dark slate text */
    --accent-green: #2ecc71; /* Original Neon Green */
    --accent-blue: #2980b9; /* Vivid Blue for emphasis */
    --dark-accent: #1e272e; 
    --light-grey: #f9f6f0; /* Warmer section backgrounds */
    --border-color: #e6dfd3; /* Warmer border tint */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 40px;
}

/* Emphasis classes */
.emphasis {
    font-weight: bold;
    color: var(--accent-blue);
}

/* Header & Navigation */
header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.logo-section {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--dark-accent);
}

.header-logo-placeholder {
    width: 32px;
    height: 32px;
    background-color: #ffffff;
    margin-right: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--accent-green);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover, nav a.active {
    color: var(--accent-green);
}

/* Container & Layout */
.container {
    max-width: 1050px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 50px 20px;
    background-color: var(--light-grey);
    border-radius: 12px;
    margin-bottom: 50px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
}

.hero-logo-placeholder {
    width: 80px;
    height: 80px;
    background-color: #ffffff;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--accent-green);
    border-radius: 8px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 42px);
    margin-bottom: 5px;
    color: var(--dark-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 20px);
    font-weight: bold;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.hero p {
    font-size: clamp(1rem, 2vw, 18px);
    color: #5c6b73;
    max-width: 750px;
    margin: 0 auto 25px auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--dark-accent);
    color: #ffffff;
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

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

/* Alternating Feature Rows Layout */
.features-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
}

.feature-row {
    display: flex;
    align-items: stretch;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-text-block {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-text-block h2 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--dark-accent);
    border-left: 4px solid var(--accent-green);
    padding-left: 10px;
}

.feature-image-block {
    flex: 1;
    min-height: 250px;
    background-color: #ffffff;
    border-left: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-row.reverse .feature-image-block {
    border-left: none;
    border-right: 1px solid var(--border-color);
}

.row-image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    color: #7f8c8d;
    font-style: italic;
    padding: 20px;
    text-align: center;
}

/* Code block elements */
pre {
    background-color: var(--dark-accent);
    color: #f8f8f2;
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 14px;
    margin: 15px 0;
}

/* Tables styling fixed and cleaned up */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 25px 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

table th, table td {
    padding: 14px 18px;
    text-align: left;
}

table th {
    background-color: var(--light-grey);
    color: var(--dark-accent);
    font-weight: bold;
    border-bottom: 2px solid var(--border-color);
}

table td {
    border-bottom: 1px solid var(--border-color);
    background-color: #ffffff;
}

table tr:last-child td {
    border-bottom: none;
}

.download-link {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--dark-accent);
    color: #ffffff !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.download-link:hover {
    background-color: var(--accent-green);
}

.download-link.primary {
    background-color: var(--accent-blue);
}

.download-link.primary:hover {
    background-color: var(--accent-green);
}

/* Image styling placeholder standard */
.image-placeholder {
    background-color: #ffffff;
    padding: 35px;
    text-align: center;
    color: #7f8c8d;
    margin: 20px 0;
    font-style: italic;
    border-radius: 6px;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    color: #7f8c8d;
    font-size: 14px;
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}


/* Mobile / Tablet responsive layout */
@media (max-width: 768px) {

    /* Header */
    header {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
        text-align: center;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    /* Container */
    .container {
        margin: 20px auto;
        padding: 0 15px;
    }

    /* Hero */
    .hero {
        padding: 30px 15px;
        margin-bottom: 30px;
    }

    .hero h1 {
        font-size: 2rem; /* ~32px */
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    /* Features */
    .feature-row,
    .feature-row.reverse {
        flex-direction: column;
    }

    .feature-text-block {
        padding: 25px 20px;
    }

    .feature-image-block {
        min-height: 180px;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }

    .feature-row.reverse .feature-image-block {
        border-right: none;
        border-top: 1px solid var(--border-color);
    }

    .feature-text-block h2 {
        font-size: 1.4rem;
    }

    /* Tables */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    table th,
    table td {
        padding: 10px 12px;
    }

    /* Code blocks */
    pre {
        font-size: 13px;
    }

    /* Buttons */
    .cta-button,
    .download-link {
        width: 100%;
        text-align: center;
    }
}

/* Very small phones */
@media (max-width: 480px) {

    .hero h1 {
        font-size: 1.7rem;
    }

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

    .logo-section {
        font-size: 1.3rem;
    }

    .feature-text-block {
        padding: 20px 15px;
    }

    .feature-text-block h2 {
        font-size: 1.2rem;
    }
}