/* ===================== Variables ===================== */
:root {
    --bg: #07090f;
    --bg-soft: #0d111c;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --text: #e7e9ee;
    --text-muted: #8a93a6;
    --primary: #6366f1;
    --secondary: #a855f7;
    --accent: #ec4899;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --container: 1180px;
    --transition: 0.25s ease;
    --header-h: 76px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ===================== Layout helpers ===================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 110px 0;
    position: relative;
}

.section__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section__label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 12px;
}

.section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section__desc {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.gradient-text {
    background: var(--gradient);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Language toggle for dynamically added (DB) content */
html[lang="ru"] .i18n-uz { display: none; }
html[lang="uz"] .i18n-ru { display: none; }

/* ===================== Background decor ===================== */
.bg-decor {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.35;
    will-change: transform;
}

.orb-1 {
    width: 480px;
    height: 480px;
    top: -160px;
    left: -120px;
    background: var(--primary);
    animation: floatA 22s ease-in-out infinite;
}

.orb-2 {
    width: 420px;
    height: 420px;
    top: 30%;
    right: -160px;
    background: var(--accent);
    animation: floatB 26s ease-in-out infinite;
}

.orb-3 {
    width: 380px;
    height: 380px;
    bottom: -140px;
    left: 25%;
    background: var(--secondary);
    animation: floatC 24s ease-in-out infinite;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 40%, transparent 100%);
}

@keyframes floatA {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(60px, 80px); }
}

@keyframes floatB {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-70px, 60px); }
}

@keyframes floatC {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -60px); }
}

/* ===================== Header ===================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: background var(--transition), border-color var(--transition);
    border-bottom: 1px solid transparent;
}

.header.is-scrolled {
    background: rgba(7, 9, 15, 0.75);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.02em;
    color: var(--text);
}

.logo-dot {
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
    transition: width var(--transition);
}

.nav__link:hover {
    color: var(--text);
}

.nav__link:hover::after,
.nav__link.is-active::after {
    width: 100%;
}

.nav__link.is-active {
    color: var(--text);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

/* Language switch */
.lang-switch {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px;
    gap: 2px;
    background: var(--surface);
}

.lang-btn {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
}

.lang-btn.is-active {
    color: #fff;
    background: var(--gradient);
}

.lang-btn:not(.is-active):hover {
    color: var(--text);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===================== Buttons ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
}

.btn--primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 8px 24px -8px rgba(168, 85, 247, 0.55);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px -8px rgba(168, 85, 247, 0.7);
}

.btn--outline {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn--outline:hover {
    transform: translateY(-3px);
    border-color: var(--secondary);
    background: var(--surface-hover);
}

/* ===================== Hero ===================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    position: relative;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero__greeting {
    color: var(--secondary);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.hero__name {
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.hero__role {
    font-size: clamp(1.1rem, 2.4vw, 1.5rem);
    font-weight: 600;
    color: var(--text);
    opacity: 0.85;
    margin-bottom: 22px;
}

.hero__desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 520px;
    margin-bottom: 36px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Code window */
.hero__visual {
    display: flex;
    justify-content: center;
}

.code-window {
    width: 100%;
    max-width: 460px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 80px -30px rgba(99, 102, 241, 0.35);
    transform: perspective(1000px) rotateY(-6deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.code-window__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.dot--red { background: #ff5f56; }
.dot--yellow { background: #ffbd2e; }
.dot--green { background: #27c93f; }

.code-window__title {
    margin-left: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-window__body {
    padding: 22px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    overflow-x: auto;
    color: #c5cbe0;
}

.tok-kw { color: #c792ea; }
.tok-var { color: #82aaff; }
.tok-key { color: #80cbc4; }
.tok-str { color: #ecc48d; }
.tok-bool { color: #f78c6c; }

/* Scroll cue */
.scroll-cue {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid var(--border);
    border-radius: 999px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-cue span {
    width: 4px;
    height: 8px;
    border-radius: 2px;
    background: var(--gradient);
    animation: scrollCue 1.8s ease infinite;
}

@keyframes scrollCue {
    0% { opacity: 1; transform: translateY(0); }
    70% { opacity: 0; transform: translateY(14px); }
    100% { opacity: 0; transform: translateY(0); }
}

/* ===================== About ===================== */
.about__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 50px;
    align-items: center;
}

.about__text p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 18px;
}

.about__stats {
    display: grid;
    gap: 16px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--secondary);
    background: var(--surface-hover);
}

.stat-card__num {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.stat-card__label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===================== Skills ===================== */
.skills__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--secondary);
    background: var(--surface-hover);
}

.skill-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 18px;
}

.skill-card__icon svg {
    width: 24px;
    height: 24px;
}

.skill-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.skill-card__tags,
.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* ===================== Projects ===================== */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--secondary);
}

.project-card__glow {
    position: absolute;
    top: -60%;
    right: -40%;
    width: 220px;
    height: 220px;
    background: var(--gradient);
    filter: blur(60px);
    opacity: 0;
    transition: opacity var(--transition);
}

.project-card:hover .project-card__glow {
    opacity: 0.25;
}

.project-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.project-card__desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    position: relative;
}

.project-card__tags {
    position: relative;
}

/* ===================== News ===================== */
.news__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: var(--secondary);
    background: var(--surface-hover);
}

.news-card__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.news-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card__body {
    padding: 24px 28px;
}

.news-card__date {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 10px;
}

.news-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    overflow-wrap: break-word;
}

.news-card__text {
    color: var(--text-muted);
    font-size: 0.95rem;
    white-space: pre-line;
    overflow-wrap: break-word;
}

.news__empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ===================== Game ===================== */
.game__wrap {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
}

.game__board {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-soft);
}

#snakeCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

.game__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: rgba(7, 9, 15, 0.78);
    backdrop-filter: blur(4px);
    text-align: center;
    padding: 24px;
    transition: opacity var(--transition);
}

.game__overlay.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.game__overlay-text {
    font-size: 1.05rem;
    font-weight: 600;
    max-width: 280px;
}

.game__side {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 240px;
}

.game__score {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 20px;
}

.game__score-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.game__score-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

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

.game__pad {
    display: grid;
    grid-template-columns: repeat(3, 48px);
    grid-template-rows: repeat(2, 48px);
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.game__pad-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.game__pad-btn svg {
    width: 20px;
    height: 20px;
}

.game__pad-btn:hover,
.game__pad-btn:active {
    background: var(--surface-hover);
    border-color: var(--secondary);
}

.game__pad-btn--up { grid-column: 2; grid-row: 1; }
.game__pad-btn--left { grid-column: 1; grid-row: 2; }
.game__pad-btn--down { grid-column: 2; grid-row: 2; }
.game__pad-btn--right { grid-column: 3; grid-row: 2; }

/* ===================== Contact ===================== */
.contact__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.contact-card:hover {
    transform: translateY(-6px);
    border-color: var(--secondary);
    background: var(--surface-hover);
}

.contact-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 12px;
}

.contact-card__icon svg {
    width: 22px;
    height: 22px;
}

.contact-card__label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary);
}

.contact-card__value {
    font-size: 1.05rem;
    font-weight: 600;
    word-break: break-word;
}

/* ===================== Footer ===================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 36px 0;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.logo--sm {
    font-size: 1.05rem;
}

.footer__text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===================== Reveal animation ===================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .hero__desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .code-window {
        transform: none;
        max-width: 420px;
    }

    .about__grid {
        grid-template-columns: 1fr;
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .skills__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact__grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 760px) {
    .nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background: rgba(7, 9, 15, 0.97);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        padding: 8px 24px 20px;
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition);
    }

    .nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav__link {
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav__link:last-child {
        border-bottom: none;
    }

    .menu-toggle {
        display: flex;
    }

    .section {
        padding: 80px 0;
    }

    .about__stats {
        grid-template-columns: 1fr;
    }

    .skills__grid {
        grid-template-columns: 1fr;
    }

    .projects__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}