:root {
    color-scheme: light;
    --font-base: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --primary: #4b5bff;
    --primary-dark: #2c3bd9;
    --secondary: #10b981;
    --accent: #f97316;
    --text: #0f172a;
    --muted: #475569;
    --bg: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
    --max-width: 76rem;
    --sectionPadding: clamp(3.5rem, 4vw, 6rem) 1.25rem;
    --gutter: clamp(1.5rem, 4vw, 3.5rem);
    --transition: 200ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
    min-height: 100vh;
}

img,
picture {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    font: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

section {
    padding: var(--sectionPadding);
    position: relative;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.cs-container {
    width: min(100%, var(--max-width));
    margin-inline: auto;
}

.cs-topper {
    font-size: clamp(0.85rem, 0.9rem + 0.2vw, 1rem);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.cs-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 1.5rem + 2vw, 3rem);
    line-height: 1.2;
    margin: 0 0 1rem;
}

.cs-text {
    font-size: clamp(1rem, 1rem + 0.2vw, 1.125rem);
    color: var(--muted);
    margin: 0;
}

.cs-grid {
    display: grid;
    gap: var(--gutter);
}

.cs-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.cs-button-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.cs-button-solid,
.cs-button-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.cs-button-solid {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.cs-button-solid:hover,
.cs-button-solid:focus-visible {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.cs-button-outline {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
}

.cs-button-outline:hover,
.cs-button-outline:focus-visible {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.cs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(75, 91, 255, 0.12);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.cs-card {
    padding: clamp(1.5rem, 2vw, 2.25rem);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.06);
}

.cs-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background: rgba(75, 91, 255, 0.1);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.cs-nav-link {
    font-weight: 600;
    color: var(--muted);
    transition: color var(--transition);
}

.cs-nav-link:hover,
.cs-nav-link:focus-visible {
    color: var(--primary);
}

#cs-navigation {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    z-index: 999;
}

.cs-nav-container {
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: min(100%, var(--max-width));
    margin-inline: auto;
    position: relative;
}

.cs-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-weight: 800;
    color: var(--text);
}

.cs-logo span {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

.cs-nav-wrapper {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.1);
    padding: 1rem 1.25rem;
    gap: 1rem;
}

.cs-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.cs-nav-links a {
    padding: 0.65rem 0;
}

.cs-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.cs-nav-actions .cs-button-outline,
.cs-nav-actions .cs-button-solid {
    width: 100%;
    justify-content: center;
}

.cs-toggle {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: var(--surface);
    display: grid;
    place-items: center;
}

.cs-toggle span,
.cs-toggle span::before,
.cs-toggle span::after {
    content: "";
    display: block;
    width: 1.35rem;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.cs-toggle span::before,
.cs-toggle span::after {
    position: relative;
}

.cs-toggle span::before {
    top: -6px;
}

.cs-toggle span::after {
    top: 4px;
}

.cs-nav-open .cs-toggle span {
    background: transparent;
}

.cs-nav-open .cs-toggle span::before {
    transform: translateY(6px) rotate(45deg);
}

.cs-nav-open .cs-toggle span::after {
    transform: translateY(-6px) rotate(-45deg);
}

.cs-nav-open .cs-nav-wrapper {
    display: flex;
}

@media only screen and (min-width: 768px) {
    .cs-nav-wrapper {
        display: flex !important;
        position: static;
        flex-direction: row;
        align-items: center;
        gap: 1.5rem;
        width: auto;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .cs-nav-links {
        display: flex !important;
        flex-direction: row;
        gap: 1.5rem;
        width: auto;
    }

    .cs-nav-links a {
        padding: 0;
    }

    .cs-nav-actions {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
        width: auto;
        padding-top: 0;
        border-top: none;
    }

    .cs-nav-actions .cs-button-outline,
    .cs-nav-actions .cs-button-solid {
        width: auto;
    }

    .cs-toggle {
        display: none;
    }
}

@media only screen and (min-width: 1100px) {
    :root {
        --sectionPadding: clamp(4rem, 6vw, 7rem) 2rem;
    }

    .cs-container {
        width: min(100%, 72rem);
    }
}