/*
 * git merge — Global Styles
 * Minimal design system for merge.misterburton.com
 */

/* 1. FONTS */
@font-face {
    font-family: 'IBM Plex Sans';
    src: local('IBM Plex Sans Light'),
         url('fonts/IBMPlexSans-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: local('IBM Plex Sans'),
         url('fonts/IBMPlexSans-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Andale Mono';
    src: local('Andale Mono'),
         url('fonts/AndaleMono.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Fira Code';
    src: url('fonts/FiraCode-Light.woff2') format('woff2'),
         url('fonts/FiraCode-Light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

/* 2. VARIABLES */
:root {
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Andale Mono', ui-monospace, Menlo, Monaco, "Cascadia Mono", monospace;
    --font-fira: 'Fira Code', monospace;
    --text-primary: #F2F2F2;
    --text-body: #BEBEBE;
    --text-secondary: #888888;
    --text-muted: #767676;
    --text-inactive: #555555;
    --bg-color: #000000;
    --border-color: #333333;
    --transition-base: 0.3s ease;
    --container-padding: 2rem;
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
}

/* 3. RESET & BASE */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    margin: 0;
    padding: 0;
    min-height: 100%;
}

img, video, canvas, svg, iframe {
    max-width: 100%;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

::selection {
    background: white;
    color: black;
}

/* 4. TYPOGRAPHY */
h1 {
    font-family: 'Andale Mono', monospace;
    font-variant: small-caps;
    font-size: 2rem;
    line-height: 1.4;
    word-spacing: -0.4em;
    text-transform: lowercase;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

h2 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.6;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h3 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 1.2rem;
    font-weight: 300;
    line-height: 1.4;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    color: #C0C0C0;
}

p {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
    color: var(--text-body);
    max-width: 70ch;
}

p strong {
    color: var(--text-primary);
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-base);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Animated underline effect — only on links inside body copy paragraphs */
.story-summary a,
.about-content p a,
section p a {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.story-summary a::after,
.about-content p a::after,
section p a::after {
    content: '';
    position: absolute;
    bottom: 1px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: white;
    transition: height 0.2s, bottom 0.2s;
    z-index: -1;
}

@media (hover: hover) {
    .story-summary a:hover,
    .about-content p a:hover,
    section p a:hover {
        color: black;
    }
    .story-summary a:hover::after,
    .about-content p a:hover::after,
    section p a:hover::after {
        height: 100%;
        bottom: 0;
        background-color: white;
    }
}

ul, ol {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-body);
}

li {
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

blockquote {
    margin: 1.5rem 0;
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 0 6px 6px 0;
}

blockquote p {
    margin: 0;
    color: var(--text-body);
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 3rem 0;
}

/* Page title (subpages) — vertically centered with hamburger */
.page-title {
    font-family: 'Andale Mono', monospace;
    font-variant: small-caps;
    font-size: 1.1rem;
    word-spacing: -0.4em;
    letter-spacing: 0.15em;
    text-transform: lowercase;
    color: var(--text-primary);
    max-width: 38rem;
    margin: 0 auto;
    padding: 0 var(--container-padding) 1rem;
    line-height: 44px;
}

@media (max-width: 768px) {
    .page-title {
        padding-top: 0;
        font-size: 1rem;
    }
}

/* Homepage centered header */
.site-header {
    text-align: center;
    padding: calc(5rem + env(safe-area-inset-top)) var(--container-padding) 1.5rem;
}

.site-logo-icon {
    display: block;
    height: 1.25rem;
    width: auto;
    margin: 0 auto 0.4rem;
    fill: var(--text-primary);
}

.site-title {
    display: block;
    font-family: 'Andale Mono', monospace;
    font-variant: small-caps;
    font-size: 1.5rem;
    line-height: 1.4;
    letter-spacing: 0.15em;
    word-spacing: -0.5em;
    text-transform: lowercase;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
}

.site-header-link {
    text-decoration: none;
    color: inherit;
    display: inline-block;
}

.site-tagline {
    font-family: 'Andale Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: -0.25rem auto 2.5rem;
    max-width: none;
    text-align: center;
}

@media (max-width: 768px) {
    .site-header {
        padding: calc(2rem + env(safe-area-inset-top)) var(--container-padding) 1rem;
    }
    .site-logo-icon {
        height: 1rem;
        margin-bottom: 0.35rem;
    }
    .site-title {
        font-size: 1.2rem;
    }
}

/* 5. LAYOUT */
.content-wrapper {
    position: relative;
    width: 100%;
    opacity: 0;
    transition: opacity 0.3s ease-out;
    padding-bottom: env(safe-area-inset-bottom);
}

.content-wrapper.visible {
    opacity: 1;
}

.container {
    max-width: 38rem;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.container.loaded {
    opacity: 1;
}

.container.loaded ~ footer {
    opacity: 1;
}

/* 6. NAVIGATION — Hamburger Menu */
.section-nav {
    position: fixed;
    top: calc(2rem + env(safe-area-inset-top));
    left: 2rem;
    z-index: 42;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-toggle {
    position: relative;
    z-index: 50;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
    border: none !important;
    padding: 0;
    flex-shrink: 0;
}

.menu-toggle:focus {
    outline: none !important;
}

.menu-toggle:hover {
    transform: translateY(-1px);
    background: rgba(0, 0, 0, 0.6);
}

.menu-icon {
    width: 24px;
    height: 24px;
    transition: fill var(--transition-base);
}

.hamburger-line {
    transition: all var(--transition-base);
    transform-origin: center;
}

.hamburger-line.top { transform: translateY(-5px); }
.hamburger-line.bottom { transform: translateY(5px); }

.menu-toggle.active .hamburger-line.top { transform: translateY(0) rotate(45deg); }
.menu-toggle.active .hamburger-line.middle { opacity: 0; }
.menu-toggle.active .hamburger-line.bottom { transform: translateY(0) rotate(-45deg); }

.section-nav:has(.menu-toggle.active) {
    z-index: 43;
}

/* Floating push notification toggle — mirrors .menu-toggle styling, top-right */
.push-float-toggle {
    position: fixed;
    top: calc(2rem + env(safe-area-inset-top));
    right: 2rem;
    z-index: 50;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
    border: none !important;
    padding: 0;
}

.push-float-toggle:focus {
    outline: none !important;
}

.push-float-toggle:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
    border-radius: 0.5rem !important;
}

.push-float-toggle:hover {
    transform: translateY(-1px);
    background: rgba(0, 0, 0, 0.6);
}

.push-float-toggle:disabled {
    opacity: 0.5;
    cursor: default;
    transform: none;
}

/* Push icon visibility — controlled by .push-subscribed class on the button */
.push-icon-on {
    display: none;
}

.push-subscribed .push-icon-off {
    display: none;
}

.push-subscribed .push-icon-on {
    display: inline;
}

.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
    z-index: 41;
}

.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.menu-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: none;
    border: none;
    outline: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out, transform 0.3s ease-out;
    transform: scale(0.95);
    pointer-events: none;
    z-index: 42;
}

.menu-content::-webkit-scrollbar {
    display: none;
}

.menu-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(0.5rem, 2vh, 1.25rem);
    width: 100%;
    max-width: 500px;
    height: auto;
    max-height: 80dvh;
    pointer-events: auto;
    scrollbar-width: none;
}

.menu-content ul::-webkit-scrollbar {
    display: none;
}

.menu-content li {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.menu-content li.menu-divider-li {
    margin: 1rem 0;
    width: 100%;
    display: flex;
    justify-content: center;
}

.menu-content li::before {
    content: none !important;
}

.menu-content.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    pointer-events: none;
}

.menu-item {
    display: inline-block;
    text-align: center;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-radius: 0.25rem;
    font-size: clamp(1.0rem, 4vh, 1.2rem);
    user-select: none;
    text-decoration: none;
    font-family: 'Andale Mono', monospace;
    text-transform: lowercase;
    font-variant: small-caps;
    word-spacing: -0.4em;
    line-height: 1.2;
}

.menu-item::after {
    display: none !important;
}

.menu-divider {
    height: 1px;
    background-color: var(--border-color);
    width: 100%;
    max-width: 25vw;
    opacity: 1;
}

.menu-item-active {
    color: var(--text-primary);
    pointer-events: none;
}

.menu-item:hover {
    color: var(--text-primary);
}

.menu-item:active {
    color: white;
    transform: scale(0.98);
}

/* 7. FOOTER & LOGO */
footer {
    opacity: 0;
    transition: opacity 0.3s ease-out 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4rem 0;
    margin-top: 4rem;
}

.logo {
    display: inline-block;
    margin-bottom: 0.5rem;
    width: 27px;
    height: 30px;
    position: relative;
    cursor: pointer;
}

.logo::after {
    display: none !important;
}

.logo .mb-path {
    fill: #FFFFFF;
}

.logo svg {
    width: 100%;
    height: 100%;
    display: block;
}

.footer-text {
    font-size: 0.65rem;
    line-height: 1.5;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 0.5rem;
}

/* Footer nav links */
.footer-nav {
    font-family: 'Andale Mono', monospace;
    font-size: 0.75rem;
    word-spacing: -0.4em;
    margin-top: 5rem;
    text-align: center;
}

.footer-nav-link {
    display: inline-block;
    color: var(--text-secondary);
}

.footer-nav-link:hover {
    color: var(--text-primary);
}

.footer-nav-link.active {
    color: var(--text-primary);
    pointer-events: none;
    cursor: default;
}

.footer-nav-sep {
    color: var(--text-inactive);
    margin: 0 0.5rem;
}

/* 8. CONTACT MODAL */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100svh;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 1.5rem 2rem 2rem 2rem;
    width: 90%;
    max-width: 420px;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-family: 'Andale Mono', monospace;
    font-variant: small-caps;
    font-size: 1.5rem;
    line-height: 1.4;
    word-spacing: -0.4em;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.modal-close:hover {
    opacity: 0.7;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact-form input,
#contact-form textarea {
    font-family: 'Andale Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid #444;
    border-radius: 6px;
    padding: 0.85rem 1rem;
    outline: none;
    word-spacing: -0.4em;
    transition: border-color 0.2s ease;
    resize: vertical;
    width: 100%;
}

#contact-form input::placeholder,
#contact-form textarea::placeholder {
    color: var(--text-inactive);
}

#contact-form input:focus,
#contact-form textarea:focus {
    border-color: #666;
}

.form-field {
    position: relative;
    z-index: 1;
}

.form-field.error {
    z-index: 10;
}

.form-field.error input,
.form-field.error textarea {
    border-color: #a44;
}

.field-tooltip {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    padding: 0.35rem 0.65rem;
    background-color: #1a1a1a;
    border: 1px solid #a44;
    border-radius: 4px;
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 400;
    font-size: 0.75rem;
    color: #e88;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 20;
}

.field-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 0.75rem;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #a44;
}

.form-field.error .field-tooltip {
    opacity: 1;
    visibility: visible;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.modal-buttons button {
    flex: 1;
}

.btn-cancel, .btn-send {
    font-family: 'Andale Mono', monospace;
    font-size: 0.85rem;
    padding: 0.85rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    word-spacing: -0.4em;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    outline: none;
}

.btn-cancel {
    background: transparent;
    border: 1px solid #444;
    color: var(--text-secondary);
}

.btn-cancel:hover {
    border-color: #555;
    color: var(--text-primary);
}

.btn-send {
    background: #1a1a1a;
    border: 1px solid #444;
    color: var(--text-primary);
}

.btn-send:hover {
    background: #252525;
    border-color: #555;
}

.btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    text-align: center;
    padding: 2rem 0;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.modal-success.animate-in {
    display: flex;
    opacity: 1;
    transform: scale(1);
}

.success-checkmark {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #4ade80;
    stroke-miterlimit: 10;
}

.success-checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #4ade80;
    fill: none;
}

.success-checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke: #4ade80;
    stroke-width: 3;
    stroke-linecap: round;
    fill: none;
}

.modal-success.animate-in .success-checkmark__circle {
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.modal-success.animate-in .success-checkmark__check {
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.4s forwards;
}

@keyframes stroke {
    100% { stroke-dashoffset: 0; }
}

/* 9. TABLES */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.85rem;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #333;
}

th {
    color: var(--text-primary);
    font-weight: 300;
    background-color: #1a1a1a;
}

td {
    color: var(--text-body);
}

.table-wrapper {
    margin: 1.5rem 0;
    overflow-x: auto;
}

/* 10. ACCESSIBILITY */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #f2f2f2;
    color: #000;
    padding: 8px;
    z-index: 10000;
    font-family: 'Andale Mono', monospace;
    font-size: 14px;
    text-decoration: none;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
    border-radius: 2px !important;
    transition: box-shadow 0.2s ease !important;
}

.menu-toggle:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
    border-radius: 0.5rem !important;
}

.menu-item:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
}

.btn-cancel:focus-visible,
.btn-send:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
}

.modal-close:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
    border-radius: 4px !important;
}

.logo:focus-visible {
    outline: none !important;
    box-shadow: 0 0 0 2px black, 0 0 0 4px var(--text-primary) !important;
    border-radius: 4px !important;
}

/* 11. RESPONSIVE */
@media (max-width: 768px) {
    .container {
        width: 100%;
        max-width: none;
    }

    h1 { font-size: 1.2rem; }
    h2 { font-size: 0.9rem; }
    h3 { font-size: 1.0rem; }

    .menu-divider {
        max-width: 50vw;
    }

    .section-nav {
        top: calc(1rem + env(safe-area-inset-top));
        left: 1rem;
    }

    .push-float-toggle {
        top: calc(1rem + env(safe-area-inset-top));
        right: 1rem;
    }

    footer {
        padding: 4rem 0 calc(4rem + env(safe-area-inset-bottom));
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }

    .modal-buttons {
        flex-direction: column;
    }

    #contact-form input,
    #contact-form textarea {
        font-size: 16px !important;
    }

    th, td {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* 12. REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .content-wrapper {
        transition: none !important;
    }

    .menu-content {
        transform: none !important;
    }

    .menu-content.active {
        transform: none !important;
    }

    .modal-overlay,
    .modal-content,
    .modal-success {
        transition: none !important;
        transform: none !important;
    }

    .modal-success.animate-in .success-checkmark__circle,
    .modal-success.animate-in .success-checkmark__check {
        animation: none !important;
        stroke-dashoffset: 0 !important;
    }

    a::after {
        transition: none !important;
    }
}