:root {
    /* Theme Variables */
    --bg-color: #FAFAFA;
    --text-color: #1A1A1A;
    --accent-color: #F59E0B; /* amber */
    --border-color: #E5E5E5;
    --muted-color: #6b6b6b;
    --vibe-icon: "☼";
    --grain-opacity: 0.04;

    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono-font: "SF Mono", Monaco, monospace;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="night"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #F59E0B;
    --border-color: #333;
    --muted-color: #888;
    --vibe-icon: "☾";
    --grain-opacity: 0.03;
}

[data-theme="craft"] {
    --bg-color: #F0EAD6;
    --text-color: #353535;
    --accent-color: #bc4749;
    --border-color: #d6cfc2;
    --muted-color: #8a7e72;
    --vibe-icon: "✎";
    --grain-opacity: 0.09;
}

* { 
    box-sizing: border-box;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    margin: 0;
    min-height: 100dvh;
    padding: 2rem;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-stack);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.6s ease, color 0.6s ease;
}

/* Subtle grain */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: var(--grain-opacity);
    z-index: 99;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    transition: opacity 0.6s ease;
}

main {
    width: 100%;
    max-width: 560px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 1;
}

/* Header */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

header {
    margin-bottom: 0;
}

h1 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--muted-color);
}

/* Language Selector */
.lang-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 4px;
    user-select: none;
}

.lang-codes {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-color);
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.lang-code {
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 2px 4px;
    border-radius: 4px;
    border: 1px solid transparent;
    position: relative;
}

.lang-code:hover {
    color: var(--accent-color);
}

.lang-code::after {
    content: attr(data-flag);
    position: absolute;
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.2s ease;
    margin-left: 0.3rem;
    line-height: 1;
}

.lang-code:hover::after {
    opacity: 1;
}

.lang-separator {
    opacity: 0.5;
}

.dot {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Vibe Toggle */
.vibe-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 20px;
    user-select: none;
}

.vibe-button {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--text-color);
    font-size: 1.1rem;
    transition: transform 0.6s var(--ease), border-color 0.3s ease;
}

.vibe-button::before { 
    content: var(--vibe-icon); 
}

.vibe-container:hover .vibe-button { 
    border-color: var(--text-color); 
    transform: scale(1.1); 
}

.vibe-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.vibe-container:hover .vibe-label { 
    opacity: 1; 
    transform: translateX(0); 
}

/* Content */
p {
    margin: 0 0 1.5rem 0;
    font-size: 1rem;
    opacity: 0.95;
}

p.max-width {
    max-width: 48ch;
}

.section {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--mono-font);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* Definition list */
dl {
    margin: 0;
    max-width: 48ch;
}

dt {
    font-size: 0.75rem;
    color: var(--muted-color);
    margin-top: 1rem;
}

dt:first-child {
    margin-top: 0;
}

/* Services page - larger dt */
.section dt {
    font-size: 1rem;
    font-weight: 500;
    margin-top: 1.5rem;
}

dd {
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
}

/* Services page - larger dd with max-width */
.section dd {
    margin: 0.4rem 0 0 0;
    max-width: 48ch;
    color: var(--text-color);
}

.service-meta {
    font-size: 0.85rem;
    color: var(--muted-color);
    margin-top: 0.2rem;
}

/* Links */
a {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: color 0.2s ease, border-color 0.2s ease;
}

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

.meta {
    font-family: var(--mono-font);
    font-size: 0.8rem;
    color: var(--muted-color);
    margin-top: 1rem;
}

.meta a {
    border-bottom: 1px dotted var(--border-color);
}

/* Availability callout (services page) */
.availability {
    margin-top: 3rem;
    font-family: var(--mono-font);
    font-size: 0.8rem;
    color: var(--muted-color);
}

/* Footer */
footer {
    width: 100%;
    max-width: 560px;
    padding-top: 3rem;
    padding-bottom: 1rem;
    font-family: var(--mono-font);
    font-size: 0.7rem;
    color: var(--muted-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    z-index: 1;
}

/* --- Footer Language Switcher --- */

.footer-content {
    /* Ensures the email and text sit nicely with the switcher */
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lang-container {
    margin-top: 1rem;
    font-size: 0.9em; /* Slightly smaller than body text */
    user-select: none; /* Prevents text highlighting when clicking */
}

.lang-codes {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem; /* Spacing between codes */
}

.lang-code {
    cursor: pointer;
    opacity: 0.4; /* Dimmed by default */
    transition: opacity 0.2s ease, font-weight 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.lang-code:hover {
    opacity: 0.7;
}

.lang-code.active {
    opacity: 1; /* Fully visible */
    font-weight: 600; /* Bold to indicate selection */
    text-decoration: underline; /* Optional: adds extra clarity */
    text-underline-offset: 4px;
}

.lang-separator {
    opacity: 0.2; /* Very subtle separator */
}

/* Tablet/Desktop Tweaks */
@media (min-width: 600px) {
    footer.bordered {
        display: flex;
        justify-content: space-between;
        align-items: flex-end; /* Aligns text to bottom */
    }

    .lang-container {
        margin-top: 0; /* Remove top margin when side-by-side */
    }
}

/* Services page - footer with border */
footer.bordered {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

@media (max-width: 420px) {
    body { 
        padding: 1.5rem; 
    }
    
    footer {
        flex-direction: column;
        align-items: flex-start;
    }
}