/* ============================================================
   wisnia.dev — portfolio
   Czysty CSS, motyw ciemny/jasny, bez zależności.
   ============================================================ */

:root {
  --bg: #0a0e17;
  --bg-header: rgba(10, 14, 23, 0.75);
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-float: rgba(20, 26, 40, 0.9);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #9aa4b8;
  --accent: #e94560;
  --accent-2: #7c5cff;
  --green: #3ddc84;
  --spot: rgba(124, 92, 255, 0.16);
  --radius: 16px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Sora", var(--font-body);
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-header: rgba(244, 246, 251, 0.8);
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-hover: #ffffff;
  --bg-float: rgba(255, 255, 255, 0.95);
  --border: rgba(15, 23, 42, 0.10);
  --text: #131a26;
  --text-dim: #55617a;
  --spot: rgba(124, 92, 255, 0.10);
}

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

/* atrybut hidden ma wygrywać z każdym display z klas */
[hidden] { display: none !important; }

/* kotwice nie mogą chować się pod sticky headerem */
section[id] { scroll-margin-top: 84px; }

/* wyraźny focus dla klawiatury */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

h1, h2, h3 { font-family: var(--font-head); }

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

/* pasek postępu scrolla */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 100;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* tło — delikatne poświaty */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 400px at 15% 10%, rgba(124, 92, 255, 0.14), transparent 70%),
    radial-gradient(700px 500px at 85% 30%, rgba(233, 69, 96, 0.10), transparent 70%),
    radial-gradient(500px 400px at 50% 95%, rgba(61, 220, 132, 0.06), transparent 70%);
}
[data-theme="light"] .bg-glow { opacity: 0.55; }

/* ===== nagłówek ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }

.nav-right { display: flex; align-items: center; gap: 20px; }

.nav-links { display: flex; gap: 26px; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.theme-toggle:hover { background: var(--bg-card-hover); transform: rotate(15deg); }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* ===== hero ===== */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 48px;
  padding-block: 88px 72px;
}

.hero-hello {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.hero-name {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  background: linear-gradient(120deg, var(--text) 30%, var(--text-dim) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.hero-typed {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 600;
  margin-bottom: 14px;
  min-height: 1.6em;
}
.hero-typed #typed {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 3px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-tagline {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 30px;
}
.hero-tagline strong { color: var(--text); }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(233, 69, 96, 0.45); }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg-card);
}
.btn-ghost:hover { background: var(--bg-card-hover); transform: translateY(-2px); }

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 30px;
  list-style: none;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.hero-meta li { display: flex; align-items: center; gap: 8px; }

.dot-online {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* hero — wizual */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
}

.avatar-ring {
  padding: 6px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--green), var(--accent));
  animation: spin 10s linear infinite;
}
.avatar-ring img {
  display: block;
  border-radius: 50%;
  border: 6px solid var(--bg);
  animation: spin 10s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.floating-card {
  position: absolute;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--bg-float);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  animation: floaty 5s ease-in-out infinite;
}
.fc-1 { top: 8%; left: 0; animation-delay: 0s; }
.fc-2 { bottom: 12%; right: 2%; animation-delay: 1.4s; }
.fc-3 { bottom: 0; left: 12%; animation-delay: 2.8s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== sekcje ===== */
.section { padding-block: 68px; }

.section-head { margin-bottom: 38px; }
.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.section-head h2::before {
  content: "// ";
  color: var(--accent);
  font-weight: 400;
}
.section-head p { color: var(--text-dim); max-width: 62ch; }

/* ===== karty z efektem spotlight ===== */
.glow-card {
  position: relative;
  overflow: hidden;
}
.glow-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 50%), var(--spot), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.glow-card:hover::before { opacity: 1; }
.glow-card > * { position: relative; }

/* ===== projekty live ===== */
.live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
}

.live-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s;
  will-change: transform;
}
.live-card:hover {
  border-color: rgba(233, 69, 96, 0.5);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
}

.live-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.live-icon { font-size: 1.8rem; }

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--green);
  border: 1px solid rgba(61, 220, 132, 0.35);
  padding: 4px 10px;
  border-radius: 999px;
}

.live-card h3 { font-size: 1.25rem; letter-spacing: -0.5px; }
.live-card p { color: var(--text-dim); font-size: 0.93rem; flex-grow: 1; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.tags li {
  font-size: 0.75rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
}

.live-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}
.live-link .arrow { display: inline-block; transition: transform 0.2s; }
.live-card:hover .arrow { transform: translateX(5px); }

/* ===== stack ===== */
.marquee {
  overflow: hidden;
  margin-bottom: 34px;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
}
@keyframes marquee { to { transform: translateX(-50%); } }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 22px;
}
.stack-card {
  padding: 26px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.25s, border-color 0.25s;
}
.stack-card:hover { transform: translateY(-6px); border-color: rgba(124, 92, 255, 0.45); }
.stack-icon { font-size: 1.9rem; display: block; margin-bottom: 12px; }
.stack-card h3 { font-size: 1.1rem; margin-bottom: 8px; letter-spacing: -0.4px; }
.stack-card p { color: var(--text-dim); font-size: 0.92rem; }
.card-demo-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--up);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}
.card-demo-link .arrow { display: inline-block; transition: transform 0.2s; }
.card-demo-link:hover .arrow { transform: translateX(5px); }

/* ===== o mnie ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  align-items: start;
}
.about-text {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.about-text p { color: var(--text-dim); font-size: 0.98rem; }
.about-text p + p { margin-top: 14px; }
.about-text strong { color: var(--text); }
.about-text a { color: var(--accent); text-decoration: none; }
.about-text a:hover { text-decoration: underline; }

.about-facts {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-facts li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.92rem;
  font-weight: 500;
  transition: transform 0.2s, border-color 0.2s;
}
.about-facts li:hover { transform: translateX(4px); border-color: rgba(124, 92, 255, 0.45); }
.about-facts li span { font-size: 1.25rem; }

@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ===== FAQ ===== */
.faq { margin-top: 44px; }
.faq-title {
  font-size: 1.15rem;
  letter-spacing: -0.4px;
  margin-bottom: 16px;
}
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.97rem;
  position: relative;
  transition: background 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 400;
  transition: transform 0.25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { background: var(--bg-card-hover); }
.faq details p {
  padding: 0 20px 16px;
  color: var(--text-dim);
  font-size: 0.93rem;
}
.faq details p strong, .stack-card p strong { color: var(--text); }
.stack-card p a { color: var(--accent); text-decoration: none; }
.stack-card p a:hover { text-decoration: underline; }

/* ===== github ===== */
.gh-stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 16px 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  min-width: 140px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat-label { color: var(--text-dim); font-size: 0.85rem; }

/* pasek języków */
.lang-bar-wrap { margin-bottom: 32px; }
.lang-bar {
  display: flex;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.lang-bar span { height: 100%; transition: width 0.8s ease; }
.lang-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.lang-legend .lang { display: inline-flex; align-items: center; gap: 6px; }

.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}

.repo-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.repo-name a {
  color: inherit;
  text-decoration: none;
}
.repo-name a:hover { color: var(--accent); }
.repo-demo {
  color: var(--up);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 2px;
}
.repo-demo .arrow { display: inline-block; transition: transform 0.2s; }
.repo-demo:hover .arrow { transform: translateX(5px); }
.repo-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 92, 255, 0.5);
  background: var(--bg-card-hover);
}

.repo-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.02rem;
  word-break: break-word;
}
.repo-name svg { flex-shrink: 0; opacity: 0.7; }

.repo-desc {
  color: var(--text-dim);
  font-size: 0.92rem;
  flex-grow: 1;
}

.repo-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.repo-meta .lang { display: inline-flex; align-items: center; gap: 6px; }
.lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.repo-skeleton {
  height: 170px;
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--bg-card) 40%, rgba(128, 128, 160, 0.14) 50%, var(--bg-card) 60%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.gh-error { color: var(--text-dim); }
.gh-error a { color: var(--accent); }

/* aktywność */
.activity { margin-top: 44px; }
.activity-title {
  font-size: 1.15rem;
  letter-spacing: -0.4px;
  margin-bottom: 18px;
}
.activity-title::before { content: "⚡ "; }
.activity-list {
  list-style: none;
  border-left: 2px solid var(--border);
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.activity-list li {
  position: relative;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.activity-list li::before {
  content: "";
  position: absolute;
  left: -27.5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 3px var(--bg);
}
.activity-list a { color: var(--text); text-decoration: none; font-weight: 600; }
.activity-list a:hover { color: var(--accent); }
.activity-list time { font-size: 0.8rem; opacity: 0.8; }

/* ===== kontakt ===== */
.contact-card {
  text-align: center;
  padding: 64px 32px;
  border-radius: 24px;
  background:
    radial-gradient(400px 200px at 50% 0%, rgba(233, 69, 96, 0.12), transparent 70%),
    var(--bg-card);
  border: 1px solid var(--border);
}
.contact-card h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -1px; margin-bottom: 10px; }
.contact-card p { color: var(--text-dim); margin-bottom: 28px; }
.contact-card .hero-cta { justify-content: center; }

/* ===== stopka ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 28px;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.cherry-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.2s;
}
.cherry-btn:hover { transform: scale(1.35) rotate(-12deg); }

.falling-cherry {
  position: fixed;
  top: -40px;
  z-index: 999;
  pointer-events: none;
  animation: fall linear forwards;
}
@keyframes fall {
  to { transform: translateY(110vh) rotate(360deg); }
}

/* ===== strona 404 ===== */
.page-404 {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 64px;
}
.page-404 h1 {
  font-size: clamp(4rem, 14vw, 8rem);
  letter-spacing: -4px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-404 p { color: var(--text-dim); margin-block: 10px 28px; }

/* ===== animacje wejścia ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; flex-wrap: wrap; }
}

/* ===== responsywność ===== */
@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding-block: 48px 28px;
    text-align: center;
  }
  .hero-tagline { margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .hero-meta { justify-content: center; flex-wrap: wrap; }
  .hero-visual { order: -1; min-height: 240px; }
  .avatar-ring img { width: 160px; height: 160px; }
  .floating-card { display: none; }
  .nav-links { gap: 14px; font-size: 0.9rem; }
  .nav-right { gap: 12px; }
}
@media (max-width: 480px) {
  .nav-links a:not(:first-child):not(:last-child) { display: none; }
}