:root {
    --radius: 16px;
    --radius-full: 50%;

    --white: #ffffff;
    --dark: #000000;
}

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

body {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    padding: 0;
    max-width: 100%;
    margin: 0 auto;
    font-weight: 300;
}

a {
    color: #000;
    text-decoration: underline;
}

/* Header styles matching olografix.org exactly */
header {
    width: 100%;
}

.header-bar {
    width: 100%;
    background: var(--dark);
    padding-right: 1rem; /* Account for scrollbar */
}

.header-container {
    width: 100%;
    max-width: 1280px; /* max-w-5xl */
    margin: 0 auto;
    padding: 1rem 1rem; /* py-4 px-4 from olografix mobile nav */
}

.header-container > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    height: 2rem; /* h-8 = 32px */
}

.logo-link {
    height: 2rem; /* h-8 = 32px */
    display: flex;
    align-items: center;
    padding: 0; /* No extra padding on mobile */
    flex-shrink: 0;
}

.logo-link img {
    height: 100%;
    width: auto;
    object-fit: contain;
    max-width: none;
}

.lang-switcher {
    display: flex;
    gap: 1rem; /* space-x-4 */
    justify-content: flex-end;
}

.lang-switcher a {
    color: var(--white);
    text-decoration: none !important; /* Override global link style */
    transition: color 0.3s;
    font-size: 1.25rem; /* text-xl = 20px */
    line-height: 1.75rem; /* 28px */
}

.lang-switcher a:hover {
    color: #9ca3af; /* hover:text-gray-400 */
}

/* Content area */
.content {
    max-width: 520px;
    margin: 0 auto;
    padding: 60px 30px 40px;
}

h1.title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 0;
    margin-bottom: 28px;
    text-align: center;
}

h2 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin: 50px 0 30px 0; /* increased bottom margin from 20px to 30px */
    padding-bottom: 8px;
    border-bottom: 1.5px solid var(--dark);
}

.intro {
    font-family: 'IBM Plex Mono', monospace;
    text-align: center;
    margin-bottom: 28px;
    line-height: 1.7;
    font-weight: 600;
    font-size: 17px;
    letter-spacing: 0.3px;
}

/* Shared box styles */
.box {
    border: 1.5px solid var(--dark);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 10px;
}

.objective {
    text-align: center;
    margin-bottom: 38px;
    line-height: 1.7;
    font-weight: 300;
    font-size: 16px;
}

.controller-container {
    display: flex;
    justify-content: center;
    margin: 30px auto 20px;
}

.controller-image {
    max-width: 70%;
    width: 100%;
    height: auto;
}

.controller-legend {
    margin: 20px 0 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(77, 77, 77, 0.2);
}

.legend-item:last-child {
    border-bottom: none;
}

.legend-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.legend-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    width: 60px;
    flex-shrink: 0;
}

.legend-desc {
    font-weight: 300;
    font-size: 15px;
    flex: 1;
}

.key-mechanic {
    text-align: center;
    margin: 38px auto;
    padding: 20px 26px;
    border: 2px dashed var(--dark);
    border-radius: var(--radius);
    max-width: 400px;
}

.key-mechanic-title {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.key-mechanic-text {
    font-weight: 600;
    font-size: 17px;
    line-height: 1.6;
}

.color-box-container {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 10px 0;
}

.color-swatch {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    border: 1.5px solid var(--dark);
    flex-shrink: 0;
}

.color-info {
    display: flex;
    flex-direction: column;
    font-weight: 300;
}

.color-name {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.color-desc {
    font-size: 15px;
    line-height: 1.5;
}

.strategy-box {
    margin: 32px 0;
    padding: 22px;
}

.strategy-title {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    margin-bottom: 18px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.strategy-box ul {
    list-style: none;
    padding: 0;
}

.strategy-box li {
    margin-bottom: 12px;
    font-weight: 300;
    line-height: 1.6;
    font-size: 16px;
}

.strategy-box li:last-child {
    margin-bottom: 0;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 22px;
    border-top: 1px solid #ddd;
    font-size: 12px;
    font-weight: 300;
    line-height: 1.8;
}

footer a {
    color: var(--dark);
    text-decoration: underline;
    transition: opacity 0.2s;
}

footer a:hover {
    opacity: 0.7;
}

/* Responsive styles */
@media (min-width: 768px) {
    .header-container {
        padding: 1.75rem 1rem; /* md:py-7 with minimum horizontal padding */
    }

    .header-container > div {
        height: 2.5rem; /* md:h-10 = 40px */
    }

    .logo-link {
        height: 2.5rem; /* md:h-10 = 40px */
        padding: 0 1rem 0 0; /* px-4 sm:px-0 -> no left padding on desktop, small right */
    }
}

@media (max-width: 500px) {
    .content {
        padding: 30px 20px 30px;
    }

    h1.title {
        font-size: 48px;
    }

    .intro {
        font-size: 16px;
    }

    .key-mechanic {
        max-width: 100%;
    }

    .controller-image {
        max-width: 70%;
    }
}