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

:root {
    /* Colors - FOTU inspired monochromatic palette */
    --primary-color: #ffffff;
    --secondary-color: #f5f5f5;
    --accent-color: #666666;
    --highlight-color: #e6e600;
    --bg-dark: #000000;
    --bg-light: #ffffff;
    --bg-gray: #f8f8f8;
    --text-light: #ffffff;
    --text-dark: #000000;
    --text-muted: #666666;
    --border-color: #e0e0e0;

    /* Typography - FOTU inspired geometric fonts */
    --font-main: "Arial", "Helvetica Neue", sans-serif;
    --font-heading: "Arial", "Helvetica Neue", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Layout */
    --container-max-width: 1200px;
    --nav-height: 70px;

    /* Effects */
    --glow: 0 0 10px var(--primary-color);
    --glow-strong: 0 0 20px var(--primary-color);
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 300;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--font-size-4xl);
}
h2 {
    font-size: var(--font-size-3xl);
}
h3 {
    font-size: var(--font-size-2xl);
}
h4 {
    font-size: var(--font-size-xl);
}
h5 {
    font-size: var(--font-size-lg);
}
h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-size: var(--font-size-base);
}

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

/* Site Sidebar Navigation */
.site-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100vh;
    background-color: var(--bg-light);
    border-right: 1px solid var(--border-color);
    z-index: 100;
    padding: var(--spacing-sm);
    font-family: "Courier New", monospace;
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.1;
    overflow: hidden;
}

/* Adjust body content when sidebar is present */
body.has-sidebar {
    padding-left: 200px;
}

body.has-sidebar main {
    margin-top: 0;
}

/* Typewriter Nav Styles (shared across all pages) */
.typewriter-nav {
    margin-bottom: var(--spacing-lg);
}

.typewriter-brand {
    font-family: "Courier New", monospace;
    font-weight: 700;
    color: rgba(30, 30, 30, 0.9);
    font-size: 12px;
    line-height: 1.3;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.typewriter-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.15);
    margin: var(--spacing-sm) 0;
}

.typewriter-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.typewriter-link {
    font-family: "Courier New", monospace;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(60, 60, 60, 0.8);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 2px 0;
}

.typewriter-link:hover {
    color: rgba(0, 0, 0, 1);
}

.typewriter-link.active {
    color: rgba(0, 0, 0, 1);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 1000;
    background: transparent;
    border: none;
    /* generous hit area while keeping the wordmark flush top-left */
    padding: var(--spacing-sm) var(--spacing-md);
    margin: calc(-1 * var(--spacing-sm)) calc(-1 * var(--spacing-md));
    color: rgba(30, 30, 30, 0.9);
    font-family: "Courier New", monospace;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: opacity 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-toggle:active {
    opacity: 0.5;
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-light);
    z-index: 999;
    padding: var(--spacing-xl);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.mobile-nav-overlay.active {
    display: flex;
}

.mobile-nav-overlay .typewriter-brand {
    font-size: 16px;
    text-align: center;
}

.mobile-nav-overlay .typewriter-menu {
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-nav-overlay .typewriter-link {
    font-size: 14px;
}

.mobile-nav-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-family: "Courier New", monospace;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid;
    text-decoration: none;
    font-family: var(--font-main);
    font-size: var(--font-size-sm);
    transition: var(--transition);
    cursor: pointer;
    background: transparent;
}

.btn-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    box-shadow: var(--glow);
}

.btn-secondary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--bg-dark);
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Cards */
.card {
    background: var(--bg-dark-alt);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-md);
}

.footer-minimal {
    text-align: right;
}

.footer-minimal p {
    font-family: "Courier New", monospace;
    font-size: 10px;
    font-weight: 400;
    text-transform: lowercase;
    letter-spacing: 0.03em;
    color: rgba(60, 60, 60, 0.5);
    line-height: 1.3;
}

/* Instagram handle pinned to the bottom of the landing-page right column */
.hero-instagram {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-bottom: 1.3em;
    font-family: "Courier New", monospace;
    font-size: 10px;
    font-weight: 400;
    text-transform: lowercase;
    letter-spacing: 0.03em;
    color: rgba(60, 60, 60, 0.5);
    text-decoration: none;
    transition: color 0.2s ease;
}

.hero-instagram:hover {
    color: rgba(60, 60, 60, 0.8);
}

.hero-instagram-icon {
    width: 9px;
    height: 9px;
    flex-shrink: 0;
    /* thinner stroke so the glyph reads as light as the 400-weight text */
    stroke-width: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-sidebar {
        display: none;
    }

    body.has-sidebar {
        padding-left: 0;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    h1 {
        font-size: var(--font-size-3xl);
    }
    h2 {
        font-size: var(--font-size-2xl);
    }
    h3 {
        font-size: var(--font-size-xl);
    }

    .scrolling-banner {
        padding: var(--spacing-md) 0;
        height: 60px;
    }

    .banner-text {
        font-size: var(--font-size-xs);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}
.mt-md {
    margin-top: var(--spacing-md);
}
.mt-lg {
    margin-top: var(--spacing-lg);
}
.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}
.mb-md {
    margin-bottom: var(--spacing-md);
}
.mb-lg {
    margin-bottom: var(--spacing-lg);
}
.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.hidden {
    display: none;
}
.visible {
    display: block;
}

/* Animations */
@keyframes glow {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Typewriter Banner (shared) */
.scrolling-banner {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 0;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    margin-top: 0;
    min-height: 160px;
    display: flex;
    align-items: flex-start;
}

.banner-container {
    width: 100%;
    height: 100%;
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-xs)
        var(--spacing-md);
}

.banner-text {
    font-family: "Courier New", monospace;
    font-size: 14px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
    white-space: pre-wrap;
    word-break: break-all;
    backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-font-smoothing: subpixel-antialiased;
    width: 100%;
    position: relative;
}

.sewing-cursor {
    position: absolute;
    width: 2px;
    height: 16px;
    background-color: var(--text-dark);
    animation: sewingMachine 0.8s ease-in-out infinite;
    z-index: 10;
}

@keyframes sewingMachine {
    0%,
    100% {
        transform: translateY(0px) scaleY(1);
        opacity: 1;
    }
    25% {
        transform: translateY(-3px) scaleY(0.8);
        opacity: 0.8;
    }
    50% {
        transform: translateY(0px) scaleY(1.1);
        opacity: 1;
    }
    75% {
        transform: translateY(2px) scaleY(0.9);
        opacity: 0.9;
    }
}