/* ===== Motywy ===== */
:root, [data-theme="dark"] {
    --bg: #0b1020;
    --bg-alt: #0f1529;
    --surface: #141b33;
    --surface-2: #1a2342;
    --border: #26304f;
    --text: #e6e9f2;
    --text-muted: #9aa3bd;
    --accent: #6366f1;
    --accent-2: #06b6d4;
    --accent-text: #a5b4fc;
    --header-bg: rgba(11, 16, 32, .75);
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --glow: .35;
    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f7f8fc;
    --bg-alt: #eef1f8;
    --surface: #ffffff;
    --surface-2: #f2f4fa;
    --border: #dde2ef;
    --text: #141a2e;
    --text-muted: #59627a;
    --accent: #4f46e5;
    --accent-2: #0891b2;
    --accent-text: #4338ca;
    --header-bg: rgba(247, 248, 252, .8);
    --shadow: 0 10px 30px rgba(20, 26, 46, .08);
    --glow: .18;
    color-scheme: light;
}

/* ===== Baza ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    margin: 0;
    font-family: Inter, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    transition: background-color .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--text-muted); }
.center { text-align: center; }
.icon { flex: none; }

.gradient-text {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Przyciski ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 12px;
    font-weight: 600; font-size: 15px;
    border: 1px solid transparent;
    transition: transform .15s, box-shadow .15s, background-color .15s, border-color .15s;
    cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 24px rgba(99, 102, 241, .35);
}
.btn-ghost { border-color: var(--border); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); }
.btn.disabled { opacity: .6; cursor: default; transform: none; }

/* ===== Nagłówek ===== */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: var(--header-bg);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.logo-mark {
    display: grid; place-items: center;
    width: 34px; height: 34px; border-radius: 9px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; font-weight: 800;
}
.logo-text b, .splash-logo b { font-weight: 800; color: var(--accent-text); margin-left: 2px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; color: var(--text-muted); font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 10px; padding: 3px; background: var(--surface); }
.lang-switch button {
    border: 0; background: none; color: var(--text-muted);
    font: 600 13px Inter, sans-serif; padding: 5px 9px; border-radius: 7px; cursor: pointer;
}
.lang-switch button.active { background: var(--accent); color: #fff; }
.icon-btn {
    display: grid; place-items: center; width: 40px; height: 40px;
    border: 1px solid var(--border); border-radius: 10px;
    background: var(--surface); color: var(--text); cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.menu-btn { display: none; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 110px 0 90px; }
.hero-glow {
    position: absolute; inset: -30% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
    background: radial-gradient(circle at 30% 30%, var(--accent) 0, transparent 55%),
                radial-gradient(circle at 70% 60%, var(--accent-2) 0, transparent 50%);
    opacity: var(--glow); filter: blur(80px); pointer-events: none;
}
.hero-inner { position: relative; }
.eyebrow {
    display: inline-block; margin-bottom: 20px; padding: 6px 14px; border-radius: 99px;
    border: 1px solid var(--border); background: var(--surface);
    color: var(--accent-text); font-weight: 600; font-size: 14px;
}
.hero h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 800; max-width: 900px; }
.hero h1 span { display: block; }
.lead { margin-top: 22px; max-width: 720px; font-size: clamp(17px, 2vw, 20px); color: var(--text-muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin: 56px 0 0; }
.stat { padding: 18px 20px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.stat dt { font-size: 32px; font-weight: 800; }
.stat dd { margin: 4px 0 0; color: var(--text-muted); font-size: 14px; line-height: 1.4; }

/* ===== Sekcje ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-heading { max-width: 720px; margin-bottom: 44px; }
.section-heading h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 800; }
.section-heading p { margin-top: 12px; color: var(--text-muted); font-size: 18px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card {
    position: relative; padding: 26px; border-radius: 18px;
    border: 1px solid var(--border); background: var(--surface);
    transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: var(--shadow); }
.card h3 { font-size: 19px; font-weight: 700; margin: 16px 0 8px; }
.card p { color: var(--text-muted); font-size: 15px; }
.card-icon {
    display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent-text);
}

/* O firmie */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 20px; align-items: start; }
.about-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.profile { padding: 0; overflow: hidden; }
.profile:hover { transform: none; }
.profile img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.profile h3 { margin: 18px 22px 2px; }
.profile-role { margin: 0 22px; color: var(--accent-text) !important; font-weight: 600; font-size: 14px !important; }
.profile-facts { list-style: none; margin: 14px 22px 22px; padding: 14px 0 0; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 14px; }
.profile-facts li + li { margin-top: 6px; }

/* Jak pracujemy */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: none; }
.step-no { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; font-weight: 800; color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.steps-note { margin-top: 24px; text-align: center; color: var(--text-muted); font-weight: 500; }

/* Klienci pod hero */
.clients { margin-top: 28px; color: var(--text-muted); font-size: 15px; font-weight: 600; letter-spacing: .02em; }
.clients span { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 4px; opacity: .8; }

/* Opinie */
.quotes { display: grid; gap: 20px; max-width: 900px; }
.quote { margin: 0; padding: 32px 34px; }
.quote:hover { transform: none; }
.quote blockquote { position: relative; margin: 0; padding-left: 34px; font-size: 18px; line-height: 1.65; color: var(--text); white-space: pre-line; }
.quote blockquote::before { content: "“"; position: absolute; left: -4px; top: -14px; font-size: 64px; line-height: 1; font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.quote figcaption { margin: 22px 0 0 34px; padding-top: 16px; border-top: 1px solid var(--border); display: grid; gap: 2px; }
.quote figcaption span { color: var(--accent-text); font-weight: 600; font-size: 14px; }
.quote figcaption small { color: var(--text-muted); font-size: 13px; }
#testimonials .center { margin-top: 28px; text-align: left; }

/* Technologie */
.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.tech-group.wide { grid-column: span 2; }
.tech-group { padding: 24px; border-radius: 18px; border: 1px solid var(--border); background: var(--surface); }
.tech-group h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-text); margin-bottom: 14px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.chips li { padding: 6px 12px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); font-size: 14px; font-weight: 500; }
.chips.small { margin-top: 16px; }
.tech-note { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 14px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; font-size: 14px; color: var(--accent-text); }
.card-link:hover { text-decoration: underline; }
.chips.small li { padding: 3px 10px; font-size: 12.5px; }

/* Projekty */
.projects { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.project-card { display: flex; flex-direction: column; }
.project-card p { flex: 1; }
.project-card p.project-outcome { flex: none; margin: 0 0 10px; padding: 8px 12px; border-radius: 10px; font-size: 14px; font-weight: 600;
    color: var(--accent-text); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.project-top { display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); }
.stars { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; }
.projects + .center, .section .center { margin-top: 36px; }


/* GitHub */
.github-cards { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.github-card { display: flex; flex-direction: column; }
.github-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.github-repo-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 10px;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent-text);
}
.github-lang { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-text); }
.github-badge {
    font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 8px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff; letter-spacing: .02em;
}
.github-title-link { color: var(--text); transition: color .15s; }
.github-title-link:hover { color: var(--accent-text); }
.github-desc { flex: 1; margin: 10px 0 16px; font-size: 14.5px; line-height: 1.55; color: var(--text-muted); }
.github-card-footer { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }

/* CV */
.cv-cards { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.cv-card { display: flex; flex-direction: column; align-items: flex-start; }
.cv-card p { flex: 1; margin-bottom: 22px; }
.cv-meta { position: absolute; top: 26px; right: 26px; font-size: 13px; font-weight: 600; color: var(--text-muted); }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.contact-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.contact-item {
    display: flex; align-items: center; gap: 14px; padding: 18px;
    border: 1px solid var(--border); border-radius: 16px; background: var(--surface);
    font-weight: 600; word-break: break-word; transition: border-color .2s;
}
.contact-item:hover { border-color: var(--accent); }
.contact-item small { display: block; font-weight: 500; color: var(--text-muted); font-size: 13px; }
.company h3 { margin-top: 0; }
.company p + p { margin-top: 12px; }

/* Stopka */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* Ekran startowy */
.splash { min-height: 100vh; display: grid; place-items: center; background: var(--bg); }
.splash-logo { font-size: 28px; font-weight: 700; color: var(--text); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .45; } }

#blazor-error-ui {
    display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
    padding: 12px 20px; background: #b91c1c; color: #fff;
}
#blazor-error-ui .reload { text-decoration: underline; margin-left: 8px; }
#blazor-error-ui .dismiss { position: absolute; right: 16px; cursor: pointer; }

/* ===== Mobile ===== */
@media (max-width: 960px) {
    .menu-btn { display: grid; }
    .header-actions { margin-left: auto; }
    .nav {
        display: none; position: absolute; top: 68px; left: 0; right: 0;
        flex-direction: column; gap: 0; padding: 8px 16px 16px;
        background: var(--bg); border-bottom: 1px solid var(--border);
    }
    .nav.is-open { display: flex; }
    .nav a { padding: 12px; font-size: 16px; }
    .contact-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .profile { display: grid; grid-template-columns: 200px 1fr; align-content: start; }
    .profile img { grid-row: span 3; height: 100%; }
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .hero { padding: 72px 0 64px; }
    .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat:last-child:nth-child(odd) { grid-column: span 2; }
    .section { padding: 64px 0; }
    .cards, .cv-cards, .tech-grid, .contact-links { grid-template-columns: 1fr; }
    .tech-group.wide { grid-column: auto; }
    .about-cards, .steps { grid-template-columns: 1fr; }
    .quote { padding: 24px 20px; }
    .quote blockquote { font-size: 16px; padding-left: 26px; }
    .quote figcaption { margin-left: 26px; }
    .profile { display: block; }
    .profile img { height: auto; max-height: 420px; }
    .logo-text { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
}
.cv-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.project-client { font-size: 13px; font-weight: 700; color: var(--accent-text); text-transform: uppercase; letter-spacing: .06em; }
.project-years { font-size: 13px; font-weight: 600; }
.project-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--accent-text); }
.project-link:hover { text-decoration: underline; }