:root {
    /* Theme: Ocean Night */
    --primary: #2B4C7E;
    --primary-dark: #1B325F;
    --background: #0A192F;
    --surface: #172A45;
    --text: #FFFFFF;
    --text-secondary: #CCD6F6;
    --accent: #64FFDA;
    --nav-bg: rgba(11, 25, 47, 0.95);
    --radius: 1.25rem;
    --gradient-light: linear-gradient(135deg, #172A45 0%, #1B325F 100%);
    --shadow-soft: 0 20px 40px rgba(10, 25, 47, 0.3);
    --accent-soft: #64FFDA;
    --accent-muted: rgba(100, 255, 218, 0.1);
    
    /* New Theme-specific Variables */
    --glow-effect: 0 0 15px rgba(100, 255, 218, 0.1);
    --card-border: 1px solid rgba(100, 255, 218, 0.2);
    --hover-transform: translateY(-5px);
    --gradient-accent: linear-gradient(135deg, #64FFDA 0%, #3CAEA3 100%);
    --text-gradient: linear-gradient(135deg, #E6F1FF 0%, #8892B0 100%);
    
    /* Additional Theme Colors */
    --highlight: #FF5E5B;
    --secondary-accent: #5D5DFF;
    --success: #3CAEA3;
    --warning: #FFB347;

    /* Enhanced Background Patterns */
    --bg-pattern-dots: radial-gradient(circle at 1px 1px, rgba(100, 255, 218, 0.15) 1px, transparent 0);
    --bg-pattern-grid: linear-gradient(rgba(100, 255, 218, 0.08) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(100, 255, 218, 0.08) 1px, transparent 1px);
    --bg-pattern-waves: repeating-linear-gradient(
        135deg,
        var(--background) 0px,
        var(--background) 10px,
        rgba(100, 255, 218, 0.05) 10px,
        rgba(100, 255, 218, 0.05) 11px
    );
    --bg-pattern-soft: radial-gradient(
        circle at 50% 50%,
        rgba(93, 93, 255, 0.15) 0%,
        transparent 60%
    ), var(--gradient-light);
    
    /* New Patterns */
    --bg-noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
    --bg-circuit: linear-gradient(rgba(100, 255, 218, 0.05) 2px, transparent 2px),
                 linear-gradient(90deg, rgba(100, 255, 218, 0.05) 2px, transparent 2px),
                 linear-gradient(rgba(100, 255, 218, 0.05) 1px, transparent 1px),
                 linear-gradient(90deg, rgba(100, 255, 218, 0.05) 1px, transparent 1px);
    --bg-glow: radial-gradient(circle at 50% 0%, rgba(93, 93, 255, 0.15), transparent 75%);
} 
body {
    background: var(--background);
    background-image: var(--bg-circuit), var(--bg-glow), var(--bg-noise);
    background-attachment: fixed;
    background-size: 50px 50px, 100% 100%, 200px 200px;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-x: hidden;
    overflow-y: overlay;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

body::-webkit-scrollbar {
    display: none;
}
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 2rem;
    background: var(--nav-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    box-shadow: 0 2px 20px rgba(10, 25, 47, 0.3);
    z-index: 1000;
}

.nav_logo {
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 2em;
    font-weight: 700;
    letter-spacing: -0.5px;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #80a9e6 0%, var(--secondary-accent) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.nav_logo:hover {
    transform: scale(1.02);
    color: var(--accent);   
}

.nav_buttons {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    margin-left: auto;
    padding: 0.3rem;
    border-radius: 0.75rem;
}

.nav_items {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    background: transparent;
}

.nav_items a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav_items:hover {
    background: var(--surface);
    transform: translateY(-1px);
    border: 1px solid var(--accent-muted);
}

.nav_items:hover a {
    color: var(--accent);
}

/* Hamburger button - hidden on desktop, visible on phone */
.nav_toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
}

/* Mobile: hamburger appears at phone level (<=768px) */
@media (max-width: 768px) {
    .nav_toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1100;
    }

    /* hide nav buttons by default */
    .nav_buttons {
        display: none !important;
    }

    /* when menu is opened, show centered column */
    nav.nav-open .nav_buttons {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 1rem 0;
        background: var(--nav-bg);
        border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    }

    .nav_items {
        width: auto;
        text-align: center;
    }
}

.layout {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 2rem 2rem 2rem;
    gap: 2rem;
}

.headline {
    color: var(--text);
    font-family: "Inter";
    align-self: center;
    font-size: 2.7rem;
    font-weight: 300;
    line-height: 1.4;
    max-width: 900px;
    letter-spacing: -0.7px;
    text-align: center;
    padding-top: 2rem;
    margin-bottom: 3rem;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.heading {
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    font-size: 6.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #80a9e6 0%, var(--secondary-accent) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
    transition: all 0.6s ease;
    opacity: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.heading:hover {
    transform: scale(1.02);
    letter-spacing: -1.5px;
    
}
.feature_block {
    display: flex;
    flex-direction: column;
    align-self: center;
    background: var(--surface);
    max-width: 700px;
    padding: 2em 2.5em;
    font-family: "Inter";
    font-size: 1.6rem;
    border-radius: var(--radius);    
    gap: 2.5rem;
    box-shadow: var(--shadow-soft);
    border: solid 1px var(--accent);
    margin-bottom: 4rem;
    position: relative;
    background: linear-gradient(to bottom, var(--surface), var(--background)),
                var(--bg-pattern-grid);
    background-size: 100% 100%, 30px 30px;
    transform: translateY(0);
    transition: all 0.4s ease;
}

.feature_block:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(44, 62, 80, 0.08);
}
.features {
    background: var(--surface);
    padding: 1.8em;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    text-align: center;
    border: 1px solid var(--accent-muted);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    color: var(--text);
    transform: translateY(0);
}

.features:hover {
    transform: translateY(-4px);
    background: var(--surface);
    box-shadow: 0 12px 30px rgba(52, 152, 219, 0.15);
}
.guide_features{
    display: flex;
    flex-direction: column;
}
.subhead {
    align-self: center;
    font-family: "Inter";
    text-align: center;
    font-size: 1.8rem;
    padding-top: 1em;
    padding-bottom: 0.7em;
    margin-bottom: 3rem;
    border-bottom: 2px solid var(--accent);
    max-width: 600px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: -0.5px;
    text-shadow: 0 0 5px rgba(100, 255, 218, 0.1);
    position: relative;
}
.card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    padding: 1.8rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 0 5px rgba(100, 255, 218, 0.1);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    padding: 1.3rem;
    background: var(--surface);
    font-family: "Inter";
    border-radius: 0.75rem;
    border: 1px solid var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.feature-item h3 {
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
    letter-spacing: 0.2px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.badge {
    background: var(--background);
    color: var(--primary);
    padding: 0.3em 0.8em;
    border-radius: 0.375rem;
    font-size: 0.9em;
    font-weight: 600;
    border: 1px solid var(--accent);
}
.navigation_button {
    font-weight: 600;
    padding: 1em 2.2em;
    max-width: 14rem;
    font-size: 1.1rem;
    align-self: center;
    font-family: 'Inter', sans-serif;
    border-radius: 0.75rem;
    background: var(--primary-dark);
    color: var(--accent);
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
    margin-top: 1rem;
}

.navigation_button:hover {
    background: var(--accent);
    color: var(--background);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.2);
    cursor: pointer;
}
.educator_panel {
    margin-top: 6rem;
    margin-bottom: 6rem;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    background: var(--gradient-light),
                var(--bg-pattern-dots);
    background-size: 100% 100%, 20px 20px;
    padding: 2rem 2rem;
    border-radius: var(--radius);
    border: solid 1px var(--accent);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    transform: translateY(0);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    gap: 2rem;
}

.educator_panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(44, 62, 80, 0.08);
}

.educator_panel .headline {
    font-size: 1.8rem;
    line-height: 1.5;
    max-width: 400px;
    padding: 0;
    margin: 0;
    color: var(--text);
    font-weight: 400;
    text-shadow: none;
}

.educator_panel .feature_block {
    max-width: 550px !important;
    padding: 1.8em 2em !important;
    font-size: 1.3rem !important;
    gap: 1.8rem !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
}

.graph_section {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--gradient-light);
    border-radius: var(--radius);
    border: 1px solid var(--accent-muted);
    box-shadow: var(--shadow-soft); 
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.graph_section:hover {
    box-shadow: 0 15px 35px rgba(44, 62, 80, 0.08);
    transform: translateY(-2px);
}

.graph_section canvas {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    min-height: 200px;
    max-height: 600px;
    border-radius: var(--radius);
}

.graph_info {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1.25rem;
    width: 100%;
    align-items: center;
}

.graph_title {
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
    letter-spacing: -0.3px;
    margin: 0;
    color: var(--text);
}

.graph_features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    align-items: center;
}

.graph_feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 0.5rem;
    text-align: center;
    width: 100%;
}

.graph_feature:hover {
    background-color:#1c5981;
    transform: translateX(5px);
}

.feature_number {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-soft);
    background: var(--accent-muted);
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
    min-width: 2.5rem;
    text-align: center;
}

.feature_text {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-top: 0.2rem;
}

.graph_highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, var(--accent-soft) 0%, #2980b9 100%);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.graph_highlight:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.highlight_icon {
    font-size: 1.5rem;
}

.highlight_text {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    color: white;
    letter-spacing: 0.5px;
}

/* Global canvas styling */
canvas {
    width: 100%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    height: auto;
    min-height: 360px;
    max-height: 800px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--accent-muted);
    padding: 0.3rem;
    box-sizing: border-box;
    margin: 0 auto;
}

/* Landing/index page graph */
.graph_section canvas {
    width: 65%;
    max-width: 65%;
    min-height: 420px;
    max-height: 900px;
    margin: 0;
}

.graph_section .graph_info {
    width: 35%;
    max-width: 420px;
}
footer {
    min-height: 4rem;
    background: var(--surface);
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    display: flex;
    flex-direction: row;
    font-family: "Inter";
    gap: 5rem;
    box-shadow: 0 -10px 30px rgba(10, 25, 47, 0.2);
    padding: 2em 2em;
    position: relative;
    backdrop-filter: blur(8px);
}

.foot_row span {
    display: flex;
    flex-direction: column;
    font-family: "Inter";
    gap: 1em;
    color: var(--accent);
    padding-bottom: 0.2em;
    border-bottom: 2px solid rgba(100, 255, 218, 0.2);
    margin-bottom: 1em;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.row_items a, .row_items {
    font-family: "Inter";
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.3em;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
}

.row_items a:hover {
    color: var(--accent);
    text-decoration: none;
    transform: translateX(5px);
    background: rgba(100, 255, 218, 0.05);
}

.tag_line {
    color: var(--text);
    font-family: "Inter";
    font-size: 2rem;
    padding: 0.5em 2em;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
}

.tag_line:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, var(--accent) 0%, var(--text) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
}

/* Future Updates Section Styles */
.future-updates-section {
    padding-bottom: 1rem;
    margin: auto;
    margin-bottom: 1rem;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
}

.updates-container {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    padding: 1rem;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.updates-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.update-item {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--accent-muted);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
    flex: 1;
}

.update-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-soft);
    background: linear-gradient(to bottom right, var(--surface), var(--accent-muted));
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.1);
}

.update-icon {
    font-size: 2.5rem;
    padding: 1rem;
    background: var(--accent-muted);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.update-item:hover .update-icon {
    background: var(--accent-soft);
    transform: scale(1.1);
}

.update-content {
    flex: 1;
}

.update-title {
    font-family: 'Inter', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.update-description {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .future-updates-section {
        padding: 1.5rem 1rem;
        margin: 0 auto;
        align-items: center;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .updates-container {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        overflow-x: visible;
        padding: 1rem;
        gap: 1.5rem;
        width: 100%;
        margin: 0 auto;
        box-sizing: border-box;
    }
    
    .update-item {
        scroll-snap-align: none;
        min-width: auto;
        width: 100%;
        max-width: 100%;
        padding: 1.5rem;
        margin: 0 auto;
        box-sizing: border-box;
    }

    nav {
        padding: 0.4rem 1rem;
    }

    .nav_logo {
        font-size: 1.5em;
    }

    .nav_buttons {
        gap: 1rem;
    }

    .nav_items {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }

    .layout {
        padding: 5.5rem 1.25rem 1.5rem 1.25rem;
        gap: 2rem;
        align-items: center;
    }

    .headline {
        font-size: 2.2rem;
        line-height: 2.8rem;
        padding-top: 1rem;
        margin-bottom: 2rem;
        width: 100%;
        box-sizing: border-box;
    }

    .heading {
        font-size: 3.5rem;
        margin-bottom: 1rem;
        word-break: break-word;
    }

    .navigation_button {
        align-self: center;
        width: fit-content;
        margin-bottom: 2rem;
    }

    .subhead {
        width: 100%;
        box-sizing: border-box;
        margin: 1.5rem auto;
    }

    .feature_block {
        width: 100%;
        max-width: 100%;
        padding: 1.5rem 1.2rem;
        font-size: 1.2rem;
        gap: 1.2rem;
        margin: 0 auto 2rem;
        box-sizing: border-box;
    }

    .features {
        padding: 1.2rem;
        font-size: 1rem;
    }

    .guide_features {
        width: 100%;
        align-items: center;
        box-sizing: border-box;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        width: 100%;
    }

    .feature-item {
        width: 100%;
        box-sizing: border-box;
    }

    .card {
        width: 100%;
        padding: 1.5rem 1.2rem;
        box-sizing: border-box;
        margin: 1.5rem auto;
    }

    .graph_section {
        flex-direction: column;
        padding: 1.5rem 1rem;
        gap: 1.5rem;
        width: 100%;
        box-sizing: border-box;
        align-items: center;
    }

    .graph_section canvas {
        width: 100% !important;
        max-width: 100% !important;
        min-height: 300px;
        max-height: 450px;
    }

    .graph_info {
        text-align: center;
        align-items: center;
        max-width: 100%;
        width: 100%;
        padding: 0;
        box-sizing: border-box;
    }

    .graph_title {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .graph_features {
        width: 100%;
        gap: 1rem;
    }

    .graph_feature {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }

    .feature_number {
        min-width: 2.5rem;
        padding: 0.4rem 0.6rem;
        font-size: 0.95rem;
        flex-shrink: 0;
    }

    .feature_text {
        font-size: 0.95rem;
        line-height: 1.4;
    }

    .educator_panel {
        flex-direction: column;
        padding: 1.5rem 1.2rem;
        margin-top: 2rem;
        gap: 1.5rem;
        width: 100%;
        box-sizing: border-box;
        align-items: center;
    }

    .educator_panel .headline {
        font-size: 1.4rem;
        line-height: 1.6;
        text-align: center;
        padding: 0;
        margin-bottom: 1.5rem;
        width: 100%;
        box-sizing: border-box;
        color: var(--text);
        text-shadow: none;
    }

    .educator_panel .feature_block {
        width: 100%;
        max-width: 100%;
    }

    footer {
        flex-direction: column;
        gap: 2rem;
        height: auto;
        padding: 1.5rem 1.2rem;
        align-items: center;
        text-align: center;
    }

    .foot_row {
        width: 100%;
        align-items: center;
        justify-content: center;
    }

    .tag_line {
        font-size: 1.6rem;
        padding: 0.5rem 0;
        width: 100%;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.4rem 1rem;
    }

    .nav_logo {
        font-size: 1.3em;
        padding: 0.4rem 0.8rem;
    }

    .nav_items {
        font-size: 0.85rem;
        padding: 0.35rem 0.6rem;
    }

    .nav_buttons {
        gap: 0.5rem;
    }

    .layout {
        padding: 5.5rem 1rem 1.5rem 1rem;
        gap: 1.5rem;
        align-items: center;
    }

    .headline {
        font-size: 1.6rem;
        line-height: 2.2rem;
        padding-top: 0.5rem;
        margin-bottom: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .heading {
        font-size: 2rem;
        margin-bottom: 0.8rem;
        word-break: break-word;
    }

    .navigation_button {
        padding: 0.8rem 1.8rem;
        font-size: 1rem;
        width: fit-content;
        margin-bottom: 1.5rem;
    }

    .subhead {
        font-size: 1.3rem;
        width: 100%;
        box-sizing: border-box;
        margin: 2.5rem auto 1.5rem;
        padding: 0 0.5rem;
        padding-bottom: 1.2rem;
    }

    .feature_block {
        width: 100%;
        max-width: 100%;
        padding: 1.2rem 1rem;
        font-size: 1rem;
        gap: 1rem;
        margin: 0 auto 1.5rem;
        box-sizing: border-box;
    }

    .graph_section {
        display: none !important;
        visibility: hidden !important;
        width: 0 !important;
        height: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
    }