/* ============ MyUkr.biz — dark theme: black / white / gray + yellow / red ============ */
:root {
    --bg: #0a0a0a;
    --bg-2: #121212;
    --panel: rgba(255, 255, 255, .035);
    --panel-solid: #161616;
    --border: rgba(255, 255, 255, .09);
    --border-hover: rgba(250, 204, 21, .55);
    --text: #f3f4f6;
    --text-dim: #9ca3af;
    --accent: #facc15;      /* жовтий */
    --accent-d: #eab308;    /* темніший жовтий */
    --red: #ef4444;         /* червоний */
    --ok: #facc15;
    --err: #ef4444;
    --radius: 16px;
    --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Фонова сітка + мʼякі плями світла */
body::before {
    content: "";
    position: fixed; inset: 0; z-index: -3;
    background:
        radial-gradient(900px 500px at 15% -5%, rgba(250, 204, 21, .07), transparent 60%),
        radial-gradient(800px 500px at 90% 10%, rgba(239, 68, 68, .05), transparent 60%),
        radial-gradient(700px 600px at 50% 110%, rgba(255, 255, 255, .04), transparent 60%),
        var(--bg);
}
body::after {
    content: "";
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}

#bg-net { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* Світіння за курсором */
#cursor-glow {
    position: fixed; z-index: 0; pointer-events: none;
    width: 480px; height: 480px; border-radius: 50%;
    background: radial-gradient(circle, rgba(250, 204, 21, .08) 0%, rgba(255, 255, 255, .03) 40%, transparent 70%);
    transform: translate(-50%, -50%);
    left: 50%; top: 30%;
    transition: opacity .4s;
    opacity: 0;
}
@media (hover: none) { #cursor-glow { display: none; } }

.container { max-width: 1160px; margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }
.container-narrow { max-width: 780px; }

/* ============ Header ============ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10, 10, 10, .78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo {
    font-family: var(--mono); font-size: 21px; font-weight: 700;
    color: var(--text); text-decoration: none; letter-spacing: -.5px;
    position: relative;
}
.logo-accent { color: var(--accent); }
.logo-bracket { color: var(--text-dim); opacity: .85; }
.logo:hover .logo-accent { text-shadow: 0 0 18px rgba(250, 204, 21, .8); }

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a {
    color: var(--text-dim); text-decoration: none; font-size: 15px; font-weight: 500;
    position: relative; transition: color .25s;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a:not(.lang-switch a)::after {
    content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
    background: linear-gradient(90deg, var(--accent), var(--red));
    transition: width .3s; border-radius: 2px;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.lang-switch { display: inline-flex; gap: 6px; align-items: center; margin-left: 8px; font-family: var(--mono); font-size: 13px; }
.lang-switch em { color: var(--text-dim); font-style: normal; opacity: .5; }
.lang-switch a { color: var(--text-dim); }
.lang-switch a.active { color: var(--accent); }
.lang-switch a::after { display: none !important; }

.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ============ Hero ============ */
.hero { padding: 90px 0 60px; position: relative; }
.hero-inner { text-align: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 13px; font-family: var(--mono); color: var(--accent);
    border: 1px solid var(--border); border-radius: 100px;
    padding: 7px 16px; margin-bottom: 28px;
    background: var(--panel);
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 1.8s infinite; }
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, .55); }
    50% { box-shadow: 0 0 0 7px rgba(250, 204, 21, 0); }
}
.hero h1 { font-size: clamp(34px, 6vw, 64px); font-weight: 800; line-height: 1.15; letter-spacing: -1.5px; }
.typing-wrap {
    background: linear-gradient(90deg, #ffffff, var(--accent) 55%, var(--red));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.type-caret { color: var(--accent); animation: blink 1s step-end infinite; -webkit-text-fill-color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { max-width: 640px; margin: 22px auto 0; color: var(--text-dim); font-size: 18px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }

/* Термінал */
.hero-terminal {
    max-width: 640px; margin: 54px auto 0; text-align: left;
    background: rgba(14, 14, 14, .92); border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 0 1px rgba(250, 204, 21, .05);
}
.term-head {
    display: flex; align-items: center; gap: 7px; padding: 10px 14px;
    background: rgba(255, 255, 255, .03); border-bottom: 1px solid var(--border);
    font-family: var(--mono); font-size: 12px; color: var(--text-dim);
}
.term-head i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.term-head i:nth-child(1) { background: #ef4444; }
.term-head i:nth-child(2) { background: #facc15; }
.term-head i:nth-child(3) { background: #6b7280; }
.term-head span { margin-left: 8px; }
.term-body { padding: 16px 18px; font-family: var(--mono); font-size: 13.5px; line-height: 1.8; overflow-x: auto; }
.term-prompt { color: var(--accent); }
.tc-dim { color: var(--text-dim); }
.tc-ok { color: var(--accent); }
.term-cursor { animation: blink 1s step-end infinite; color: var(--accent); }

/* ============ Buttons ============ */
.btn {
    display: inline-block; padding: 13px 28px; border-radius: 10px;
    font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer;
    border: 1px solid transparent; transition: transform .2s, box-shadow .3s, background .3s, border-color .3s;
    font-family: var(--font);
}
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-d));
    color: #111;
    box-shadow: 0 8px 28px rgba(250, 204, 21, .25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(250, 204, 21, .4); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--border-hover); background: rgba(250, 204, 21, .07); }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }

/* ============ Sections ============ */
.section { padding: 72px 0; position: relative; }
.page-head { padding-bottom: 10px; text-align: center; }
.section-title {
    font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -1px;
    text-align: center; margin-bottom: 12px;
}
.section-sub { text-align: center; color: var(--text-dim); max-width: 620px; margin: 0 auto 44px; font-size: 16.5px; }

/* ============ Cards + SVG-іконки ============ */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 30px 26px; position: relative; overflow: hidden;
    backdrop-filter: blur(8px);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card:hover { border-color: var(--border-hover); box-shadow: 0 18px 50px rgba(0, 0, 0, .5); }
.card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--text-dim); font-size: 14.5px; }
.card-glow {
    position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s;
    background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(250, 204, 21, .08), transparent 45%);
}
.card:hover .card-glow { opacity: 1; }

.icon-box {
    width: 54px; height: 54px; border-radius: 13px;
    display: grid; place-items: center; margin-bottom: 18px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    color: var(--text-dim);
    transition: background .35s, color .35s, transform .35s, border-color .35s, box-shadow .35s;
}
.icon-box svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s; }
.card:hover .icon-box, .why-item:hover .icon-box {
    background: var(--accent); border-color: var(--accent); color: #111;
    transform: translateY(-4px) rotate(-4deg);
    box-shadow: 0 10px 26px rgba(250, 204, 21, .35);
}
.card:hover .icon-box svg, .why-item:hover .icon-box svg { transform: scale(1.08); }

/* ============ Tech marquee ============ */
.section-tech { padding-bottom: 40px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); padding: 6px 0 10px; }
.marquee-track { display: inline-flex; gap: 14px; animation: marquee 44s linear infinite; will-change: transform; padding-right: 14px; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.tech-chip {
    font-family: var(--mono); font-size: 14px; white-space: nowrap;
    color: #d1d5db; background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border); border-radius: 100px;
    padding: 9px 20px; transition: .3s;
}
.tech-chip:hover {
    color: var(--accent); border-color: rgba(250, 204, 21, .45);
    background: rgba(250, 204, 21, .07); box-shadow: 0 0 22px rgba(250, 204, 21, .18);
}

/* ============ Why us ============ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 40px; }
.why-item { text-align: center; padding: 24px 14px; border-radius: var(--radius); transition: background .3s; }
.why-item:hover { background: rgba(255, 255, 255, .03); }
.why-item .icon-box { margin: 0 auto 14px; }
.why-item h3 { font-size: 17px; margin-bottom: 8px; }
.why-item p { color: var(--text-dim); font-size: 14px; }

/* ============ Stats ============ */
.section-stats { padding: 46px 0; }
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 40px 26px; backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat-num {
    display: block; font-size: 44px; font-weight: 800; font-family: var(--mono);
    background: linear-gradient(135deg, #ffffff, var(--accent));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-num::after { content: "+"; }
.stat-label { color: var(--text-dim); font-size: 14px; }

/* ============ Portfolio (завжди по центру) ============ */
.portfolio-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; }
.portfolio-card {
    display: block; text-decoration: none; color: var(--text);
    flex: 0 1 340px; max-width: 360px; min-width: 260px;
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 24px; transition: transform .3s, border-color .3s, box-shadow .3s;
}
.portfolio-card:hover { border-color: var(--border-hover); box-shadow: 0 18px 50px rgba(0, 0, 0, .5); }
.pc-top { display: flex; gap: 6px; margin-bottom: 18px; }
.pc-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); transition: background .3s; }
.portfolio-card:hover .pc-dot:nth-child(1) { background: var(--red); }
.portfolio-card:hover .pc-dot:nth-child(2) { background: var(--accent); }
.portfolio-card:hover .pc-dot:nth-child(3) { background: #9ca3af; }
.portfolio-card h3 { font-size: 18px; margin-bottom: 8px; }
.portfolio-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 14px; }
.pc-link { color: var(--accent); font-size: 14px; font-weight: 600; }

/* ============ CTA ============ */
.cta-box {
    text-align: center; padding: 60px 30px;
    background: linear-gradient(135deg, rgba(250, 204, 21, .08), rgba(239, 68, 68, .06));
    border: 1px solid var(--border); border-radius: 22px; position: relative; overflow: hidden;
}
.cta-box::before {
    content: ""; position: absolute; inset: -2px; z-index: -1; border-radius: 22px;
    background: conic-gradient(from var(--angle, 0deg), transparent 70%, rgba(250, 204, 21, .5), transparent);
    animation: rotateBorder 6s linear infinite;
}
@property --angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes rotateBorder { to { --angle: 360deg; } }
.cta-box h2 { font-size: clamp(24px, 3.6vw, 36px); margin-bottom: 12px; letter-spacing: -.5px; }
.cta-box p { color: var(--text-dim); margin-bottom: 28px; }

/* ============ Blog ============ */
.blog-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; }
.blog-card {
    display: block; text-decoration: none; color: var(--text); overflow: hidden;
    flex: 0 1 340px; max-width: 360px; min-width: 280px;
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.blog-card:hover { border-color: var(--border-hover); box-shadow: 0 18px 50px rgba(0, 0, 0, .5); }
.blog-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-2); }
.blog-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.blog-card:hover .blog-cover img { transform: scale(1.06); }
.blog-cover-ph {
    display: grid; place-items: center; height: 100%;
    font-family: var(--mono); font-size: 34px; color: var(--accent);
    background: linear-gradient(135deg, rgba(250, 204, 21, .08), rgba(255, 255, 255, .04));
}
.play-badge {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
    background: rgba(10, 10, 10, .7); color: #fff; font-size: 18px;
    border: 1px solid rgba(255, 255, 255, .25); backdrop-filter: blur(4px);
}
.blog-card-body { padding: 20px 22px 24px; }
.blog-card-body time { font-family: var(--mono); font-size: 12.5px; color: var(--accent); }
.blog-card-body h3 { font-size: 18px; margin: 8px 0 10px; line-height: 1.35; }
.blog-card-body p { color: var(--text-dim); font-size: 14px; margin-bottom: 14px; }
.blog-empty { text-align: center; color: var(--text-dim); font-size: 17px; padding: 40px 0 80px; }

/* Пост */
.post-page { padding-top: 46px; }
.back-link { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.back-link:hover { color: var(--accent); }
.post-title { font-size: clamp(28px, 4.4vw, 44px); font-weight: 800; letter-spacing: -1px; margin: 18px 0 8px; line-height: 1.2; }
.post-date { font-family: var(--mono); color: var(--accent); font-size: 13.5px; }
.post-cover { margin: 28px 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.post-cover img { width: 100%; display: block; }
.post-body { margin-top: 26px; font-size: 16.5px; color: #d1d5db; }
.post-body p { margin-bottom: 16px; }
.post-body h2, .post-body h3 { margin: 28px 0 12px; letter-spacing: -.4px; }
.post-body img { max-width: 100%; border-radius: 12px; margin: 12px 0; border: 1px solid var(--border); }
.post-body a { color: var(--accent); }
.post-body ul, .post-body ol { margin: 0 0 16px 22px; }
.post-body blockquote { border-left: 3px solid var(--accent); padding: 6px 18px; margin: 18px 0; color: var(--text-dim); background: rgba(250, 204, 21, .05); border-radius: 0 10px 10px 0; }
.post-body pre { background: #101010; border: 1px solid var(--border); border-radius: 10px; padding: 16px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; margin-bottom: 16px; }
.post-body code { font-family: var(--mono); font-size: .92em; color: var(--accent); }
.video-embed { margin: 30px 0; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.video-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ============ Contacts ============ */
.contacts-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; align-items: start; }
.contact-info h3 { font-size: 22px; margin-bottom: 12px; }
.contact-info > p { color: var(--text-dim); margin-bottom: 16px; }
.contact-info .hero-terminal { margin: 26px 0 0; max-width: none; }
.contact-form { padding: 34px 30px; }
.contact-form label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 7px; color: var(--text); }
.contact-form label:first-of-type { margin-top: 0; }
.contact-form input, .contact-form textarea {
    width: 100%; padding: 13px 15px; border-radius: 10px;
    background: rgba(10, 10, 10, .7); border: 1px solid var(--border);
    color: var(--text); font-size: 15px; font-family: var(--font);
    transition: border-color .25s, box-shadow .25s; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(250, 204, 21, .15);
}
.contact-form button { width: 100%; margin-top: 22px; }
.hp-field { position: absolute !important; left: -9999px !important; top: -9999px !important; height: 1px; overflow: hidden; }
.form-status { margin-top: 16px; font-size: 14.5px; display: none; padding: 12px 16px; border-radius: 10px; }
.form-status.ok { display: block; color: var(--ok); background: rgba(250, 204, 21, .07); border: 1px solid rgba(250, 204, 21, .35); }
.form-status.err { display: block; color: var(--err); background: rgba(239, 68, 68, .07); border: 1px solid rgba(239, 68, 68, .35); }

/* ============ 404 / glitch ============ */
.nf-page { padding: 100px 0; }
.nf-code { font-family: var(--mono); font-size: clamp(80px, 16vw, 160px); font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 10px; }
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
    content: attr(data-glitch); position: absolute; inset: 0; opacity: .8;
}
.glitch::before { color: #ffffff; animation: glitch1 2.4s infinite linear alternate-reverse; clip-path: inset(30% 0 40% 0); }
.glitch::after { color: var(--red); animation: glitch2 3.1s infinite linear alternate-reverse; clip-path: inset(60% 0 10% 0); }
@keyframes glitch1 { 0%,100% { transform: translate(0); } 20% { transform: translate(-3px, 1px); } 60% { transform: translate(3px, -1px); } }
@keyframes glitch2 { 0%,100% { transform: translate(0); } 30% { transform: translate(3px, 1px); } 70% { transform: translate(-3px, -1px); } }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; background: rgba(10, 10, 10, .6); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; padding: 50px 22px 30px; }
.footer-logo { font-size: 19px; margin-bottom: 14px; }
.footer-about { color: var(--text-dim); font-size: 14px; max-width: 320px; }
.site-footer h4 { font-size: 15px; margin-bottom: 14px; }
.footer-nav { display: flex; flex-direction: column; gap: 9px; }
.footer-nav a, .footer-contact a { color: var(--text-dim); text-decoration: none; font-size: 14px; transition: color .25s; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--accent); }
.footer-terminal { font-family: var(--mono); font-size: 13px; color: var(--text-dim); margin-top: 12px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 18px 22px; font-size: 13px; color: var(--text-dim); }

/* ============ Reveal animation ============ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============ Tilt ============ */
.tilt { transform-style: preserve-3d; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 960px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contacts-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .cards-grid { grid-template-columns: 1fr; }
    .portfolio-card, .blog-card { flex-basis: 100%; max-width: 420px; }
    .hero { padding: 60px 0 40px; }
    .section { padding: 52px 0; }
    .burger { display: block; }
    .main-nav {
        display: none; position: absolute; top: 66px; left: 0; right: 0;
        flex-direction: column; gap: 4px; padding: 14px 22px 20px;
        background: rgba(10, 10, 10, .97); border-bottom: 1px solid var(--border);
        backdrop-filter: blur(14px);
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 10px 0; font-size: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
}