@import url('https://fonts.googleapis.com/css2?family=Inter:wght@700&family=Space+Grotesk:wght@400;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --base:           #F2F2F2;
    --surface:        #E5E5E5;
    --accent:         #FF5F05;
    --text-primary:   #0F0F0F;
    --text-secondary: #606060;
    --border:         #E0E0E0;
    --font-mono:      'Space Mono', monospace;
    --font-head:      'Space Grotesk', 'Inter', sans-serif;
}

/* Dark mode */
:root[data-theme="dark"] {
    --base:           #000000;
    --surface:        #141414;
    --text-primary:   #EBEBEB;
    --text-secondary: #888888;
    --border:         #2A2A2A;
    /* mobile aliases */
    --m-base:         #000000;
    --m-surface:      #141414;
    --m-text-primary: #EBEBEB;
    --m-text-secondary: #888888;
    --m-border:       #2A2A2A;
}

/* BLACKOUT MODE button */
.darkmode-btn {
    display: block;
    width: calc(100% - 48px);
    margin: auto 24px 24px;
    padding: 10px 14px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--text-secondary);
    background: var(--base);
    border: 1px solid var(--border);
    cursor: pointer;
    text-align: left;
    position: relative;
    top: 0;
    box-shadow: 0 3px 0 var(--border);
    transition: box-shadow 0.08s ease, top 0.08s ease, background-color 0.1s ease, color 0.1s ease, border-color 0.1s ease;
}

.darkmode-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.darkmode-btn:active {
    box-shadow: none;
    top: 3px;
}

[data-theme="dark"] .darkmode-btn {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 3px 0 #b84200;
}

[data-theme="dark"] .darkmode-btn:active {
    box-shadow: none;
}

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

html, body {
    width: 100%;
    height: 100%;
    font-family: var(--font-mono);
    font-size: 100%;
    background-color: var(--base);
    color: var(--text-primary);
    overflow-x: hidden;
}

.wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-color: var(--base);
    display: grid;
    grid-template-rows: auto 1fr;
}

/* Kept in DOM for script.js compatibility; hidden visually */
.bg__pattern,
.bg__image {
    display: none;
}

/* Header */
.header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--base);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
}

.header__logo {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.header__right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
}

.header__diamond {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    border: none;
    transform: none;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%   { opacity: 1; }
    50%  { opacity: 0.4; }
    100% { opacity: 1; }
}

/* Two-column layout: fixed-width nav + fluid content */
.page-body {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 49px);
}

/* Sticky sidebar nav */
.menu {
    position: sticky;
    top: 49px;
    height: calc(100vh - 49px);
    border-right: 1px solid var(--border);
    padding: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    width: auto;
    left: auto;
    transform: none;
    z-index: 10;
    background: var(--base);
}

.menu ul {
    list-style: none;
}

.menu a {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    transition: background-color 0.1s linear, color 0.1s linear;
    transform: none;
    opacity: 1;
}

.menu a::before {
    content: '// ';
    opacity: 0.4;
}

.menu a.active,
.menu a:hover {
    background-color: var(--accent);
    color: #fff;
    transform: none;
    opacity: 1;
}

.menu a.active::before,
.menu a:hover::before {
    opacity: 0.7;
}

.content-container {
    position: static;
    width: 100%;
    height: auto;
    padding: 0 0 80px 0;
    overflow-y: visible;
    scroll-behavior: smooth;
    background: var(--base);
    scroll-snap-type: none;
}

.content-section {
    padding: 40px 48px;
    border-bottom: 1px solid var(--border);
    min-height: auto;
    display: block;
    background: var(--base);
    border-radius: 0;
    backdrop-filter: none;
    opacity: 1;
    transform: none;
    transition: none;
    scroll-snap-align: none;
    scroll-margin-top: 0;
    margin-bottom: 0;
}

.content-section.visible {
    opacity: 1;
    transform: none;
}

.content-section > h2 {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    border-left: none;
}

.content-section > h2::before {
    content: '// ';
    color: var(--accent);
}

h2 {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

h3 {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

h4 {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

p {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

p strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* About */
.about-intro {
    max-width: 640px;
    background: var(--base);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 40px;
}

.subsection {
    margin-top: 40px;
}

.subsection > h3 {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    letter-spacing: 0.12em;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1px;
    background-color: var(--base);
    border: 1px solid var(--border);
}

.skill-item {
    background: var(--base);
    padding: 16px;
    border-radius: 0;
    border: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.skill-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.7;
    margin-bottom: 0;
}

.skill-value {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Experience */
.experience-item {
    margin-bottom: 0;
    padding: 20px;
    border: 1px solid var(--border);
    border-top: none;
    background: var(--base);
    border-left: 3px solid var(--accent);
}

.experience-item:first-of-type {
    border-top: 1px solid var(--border);
}

.experience-item h4 {
    font-size: 13px;
    margin-bottom: 2px;
}

.experience-item .date {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.7;
}

.experience-item ul {
    list-style: none;
    margin-top: 0;
}

.experience-item li {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    padding-left: 16px;
    position: relative;
}

.experience-item li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Education */
.education-grid {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--base);
    border: 1px solid var(--border);
}

.edu-item {
    background: var(--base);
    padding: 20px;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.edu-item strong {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.edu-item span {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Projects */
.project-item {
    display: block;
    text-decoration: none;
    color: inherit;
    margin-bottom: 1px;
    background: var(--base);
    padding: 0;
    border-radius: 0;
    border: 1px solid var(--border);
    border-top: none;
    transition: background-color 0.1s linear;
    overflow: hidden;
}

.project-item:first-of-type {
    border-top: 1px solid var(--border);
}

.project-item:hover {
    transform: none;
    background: var(--surface);
}

.project-item-inner {
    display: grid;
    grid-template-columns: 3px 1fr;
}

.project-item-accent-bar {
    background: var(--accent);
    width: 3px;
    min-height: 100%;
}

.project-item-body {
    padding: 20px 24px;
}

.project-item h3 {
    font-size: 15px;
    margin-bottom: 4px;
}

.project-item .stack {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.8;
}

.project-item .stack strong {
    color: var(--accent);
}

.project-item p {
    font-size: 12px;
    margin-bottom: 0;
}

.project-link-label {
    display: inline-block;
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.project-link-label::after {
    content: ' →';
}

/* Contact */
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--base);
    border: 1px solid var(--border);
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--base);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: background-color 0.1s linear, color 0.1s linear;
}

.contact-link::after {
    content: '→';
    color: var(--accent);
    font-size: 14px;
}

.contact-link:hover {
    background-color: var(--accent);
    color: #fff;
    text-decoration: none;
}

.contact-link:hover::after {
    color: #fff;
}

/* Unused legacy classes — kept to avoid breaking external references */
.header__language { display: none; }
.header__active   { display: none; }

@media (max-width: 1024px) {
    .wrapper { display: none !important; }
}