:root {
    /* League Design Palette - High Contrast Tech v1.0 */
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F5F5F7;
    /* Light Gray for sections */
    --color-bg-inverse: #000000;

    --color-text-main: #000000;
    --color-text-muted: #666666;
    --color-text-inverse: #FFFFFF;

    --color-accent: #FD2590;
    /* League Pink */
    --color-accent-hover: #D11A73;

    --color-border: #E5E5E5;
    --color-border-dark: #333333;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    /* Unify font family for clean look */

    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    /* Massive spacing */

    --container-width: 1400px;
    --header-height: 80px;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-pill: 9999px;
}

/* Dark Mode - Tech Noir */
[data-theme="dark"] {
    --color-bg: #000000;
    --color-bg-secondary: #111111;
    --color-bg-inverse: #FFFFFF;

    --color-text-main: #FFFFFF;
    --color-text-muted: #AAAAAA;
    --color-text-inverse: #000000;

    --color-border: #333333;
    --color-border-dark: #555555;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 70ch;
}

a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Layout utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    width: 100%;
}

.page-content {
    /* Restore spacing for content pages */
    padding-top: var(--spacing-lg);
    /* ~4rem, roughly equal to H1 height */
    padding-bottom: var(--spacing-xl);
}

.page-content ul,
.page-content ol {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.page-content li {
    margin-bottom: var(--spacing-xs);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Header */
header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    /* Glassmorphism light */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.3s ease;
}

[data-theme="dark"] header {
    background: rgba(0, 0, 0, 0.85);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    z-index: 2000;
}

nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

nav a {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Controls (Theme Toggle & Mobile) */
.controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    color: var(--color-accent);
}


/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    /* Optional geometric background pattern */
    background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero p.subtitle {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    font-weight: 300;
    margin: 0 auto var(--spacing-md);
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Responsive Image Modifiers - Desktop Only */
@media (min-width: 768px) {
    .img-half-width {
        max-width: 50%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }

    .img-three-quarters-width {
        max-width: 75%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }

    .img-one-third-width {
        max-width: 33.33%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }

    .img-quarter-width {
        max-width: 25%;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 3rem;
    background-color: var(--color-accent);
    color: #FFFFFF;
    /* Always white text on pink button */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    /* Slightly rounded */
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    font-size: 1rem;
    margin-top: var(--spacing-sm);
}

.btn:hover {
    transform: translateY(-2px);
    color: #FFFFFF;
    filter: brightness(1.1);
    box-shadow: 0 10px 30px -10px rgba(253, 37, 144, 0.5);
    /* Pink glow */
}

/* Cards */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: border-color 0.3s ease, transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.pillar-card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pillar-card-header .icon {
    width: 5.5rem;
    /* ~88px - Two thirds of previous size */
    height: 5.5rem;
    margin-bottom: var(--spacing-sm);
}

.card p {
    font-size: 1rem;
    flex-grow: 1;
}


/* Forms */
input,
textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--color-border);
    background-color: transparent;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Footer style - Dark Impact */
footer {
    background-color: var(--color-bg-inverse);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

footer a {
    color: var(--color-text-inverse);
    opacity: 0.7;
}

footer a:hover {
    opacity: 1;
    color: var(--color-accent);
}

footer h4 {
    color: var(--color-text-inverse);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

footer p {
    color: var(--color-text-inverse);
    opacity: 0.5;
}


/* Icons */
.icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-sm);
    /* Target Color: #FD2590 */
    filter: invert(27%) sepia(51%) saturate(2878%) hue-rotate(308deg) brightness(98%) contrast(97%);
}

[data-theme="dark"] .icon {
    /* Ensure same pink color in dark mode (base is black, so same filter works) */
    filter: invert(27%) sepia(51%) saturate(2878%) hue-rotate(308deg) brightness(98%) contrast(97%);
}

/* Mobile Nav */
.mobile-nav-toggle {
    display: none;
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-md: 1.5rem;
    }

    h1 {
        font-size: 3rem;
    }

    .mobile-nav-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--color-text-main);
        cursor: pointer;
        z-index: 2001;
    }

    /* Toggle Icons */
    .icon-close {
        display: none;
    }

    .mobile-nav-toggle[aria-expanded="true"] .icon-close {
        display: block;
    }

    .mobile-nav-toggle[aria-expanded="true"] .icon-menu {
        display: none;
    }

    nav ul {
        background: var(--color-bg);
        position: fixed;
        inset: 0;
        height: 100vh;
        /* Ensure full height */
        width: 100vw;
        /* Ensure full width */
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        z-index: 1500;
        overflow-y: auto;
        /* Allow scrolling if content is too tall */
    }

    nav ul[data-visible="true"] {
        transform: translateX(0);
    }

    nav li {
        text-align: center;
    }

    nav a {
        font-size: 2rem;
        display: block;
        padding: 1rem;
    }
}