:root {
    /* Light mode (default) */
    --bg-body: #FFFFFF;
    --bg-surface: #F8FAFC;
    --text-primary: #0F172A; /* slate-900 */
    --text-secondary: #1E293B; /* slate-800 */
    --border-light: #E2E8F0; /* slate-200 */
    --teal-600: #0D9488;
    --teal-500: #14B8A6;
    --teal-hover: #0B7A75;
    --cta-bg: #1E293B; /* slate-800 */
    --cta-text: #FFFFFF;
    --footer-text: #1E293B;
    --link-color: #006bb7;
    --btn-primary-bg: #1b6ec2;
    --btn-primary-border: #1861ac;
    --error-boundary-bg: #b32121;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-body: #121212;
        --bg-surface: #1E1E1E;
        --text-primary: #E2E8F0;
        --text-secondary: #CBD5E1;
        --border-light: #334155;
        --teal-600: #2DD4BF;
        --teal-500: #14B8A6;
        --teal-hover: #5EEAD4;
        --cta-bg: #0F172A;
        --cta-text: #F1F5F9;
        --footer-text: #94A3B8;
        --link-color: #66B2FF;
        --btn-primary-bg: #2c7be5;
        --btn-primary-border: #1a68d1;
        --error-boundary-bg: #b91c1c;
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
        --shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    }
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

/* No entrance animations – removed fadeInUp keyframes and section animations */

.container {
    width: 100%;
    max-width: 1324px;
    margin: 0 auto;
    padding: 0 1.5rem;
    /* No shadow on container */
}

section {
    padding: 4rem 0;
}

/* Header */
header {
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--teal-600);
    text-decoration: none;
    transition: var(--transition);
}

    .logo:hover {
        transform: scale(1.02);
        color: var(--teal-hover);
    }

a, .btn-link {
    color: var(--link-color); 
    transition: var(--transition);
}

    a:hover, .btn-link:hover {
        opacity: 0.85;
        text-decoration: none;
    }

.btn-primary {
    color: #fff;
    background-color: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    transition: var(--transition);
}

    .btn-primary:hover {
        transform: translateY(-1px);
        filter: brightness(1.02);
    }

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--error-boundary-bg);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred.";
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Hero */
.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

    .hero h1 {
        font-size: 2.5rem;
        margin: 1rem 0;
        font-weight: 800;
        line-height: 1.2;
        color: var(--text-primary);
    }

    .hero p {
        font-size: 1.125rem;
        color: var(--text-secondary);
        margin: 1.5rem auto;
    }

.cta-button {
    display: inline-block;
    background: var(--teal-600);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

    .cta-button:hover {
        background: var(--teal-hover);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--teal-500);
    }

    .feature-card h3 {
        margin: 0.75rem 0;
        font-size: 1.25rem;
        color: var(--text-primary);
    }

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

/* CTA Section – no border-radius, no shadow on container */
.cta-section {
    background: var(--cta-bg);
    color: var(--cta-text);
    text-align: center;
    transition: var(--transition);
    /* Removed border-radius and margin */
    margin: 2rem 0;
}

    .cta-section .container {
        max-width: 600px;
        /* No shadow here */
    }

    .cta-section h2 {
        font-size: 2rem;
        margin-bottom: 1rem;
        color: inherit;
    }

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--footer-text);
    font-size: 0.875rem;
    transition: var(--transition);
}

    footer a {
        color: var(--link-color);
        text-decoration: none;
    }

        footer a:hover {
            text-decoration: underline;
        }

/* Responsive */
@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

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