/* ─────────────────────────────────────────────────────────────────────────────
   xDev Theme – main.css
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --bg: #0a0c10;
  --surface: #111318;
  --border: rgba(255,255,255,0.07);
  --accent: #00e5b0;
  --accent2: #0077ff;
  --text: #e8eaf0;
  --muted: #6b7280;
  --heading: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* WordPress admin bar adjustment */
body.admin-bar nav { top: 32px; }
@media screen and (max-width: 782px) { body.admin-bar nav { top: 46px; } }

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: .5;
}

/* ── NAV ─────────────────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 4rem;
  background: rgba(10,12,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.5rem;
  color: var(--heading); letter-spacing: -0.03em; text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .9rem; font-weight: 500; transition: color .2s; letter-spacing: .02em;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid var(--accent) !important; color: var(--accent) !important;
  padding: .55rem 1.4rem !important; border-radius: 6px;
  font-weight: 600 !important; font-size: .85rem !important; transition: all .2s !important;
  background: transparent !important;
}
.nav-cta:hover {
  background: var(--accent) !important; color: #000 !important;
}

/* Aktywny link nawigacji – scroll spy */
.nav-links a.nav-active:not(.nav-cta) {
  color: var(--accent) !important;
}
.nav-links a.nav-cta.nav-active {
  background: var(--accent) !important;
  color: #000 !important;
}

/* ── LANG SWITCHER ───────────────────────────────────────────────────────── */
.lang-switcher {
  display: flex; align-items: center; gap: .3rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: .3rem .4rem; margin-left: 1rem;
}
.lang-btn {
  background: none; border: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: .8rem; font-weight: 600;
  color: var(--muted); padding: .25rem .55rem; border-radius: 5px;
  transition: all .2s; letter-spacing: .04em; text-decoration: none;
  display: inline-block;
}
.lang-btn.active { background: var(--accent); color: #000; }
.lang-btn:hover:not(.active) { color: var(--text); }
.lang-sep { color: var(--border); font-size: .7rem; user-select: none; }

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 8rem 4rem 6rem; position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0,119,255,.13) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0,229,176,.1) 0%, transparent 60%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(0,229,176,.1); border: 1px solid rgba(0,229,176,.25);
  color: var(--accent); padding: .35rem 1rem; border-radius: 100px;
  font-size: .8rem; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: 2rem; animation: fadeUp .6s ease both;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

h1 {
  font-family: 'Syne', sans-serif; font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800; line-height: 1.05; color: var(--heading);
  letter-spacing: -.03em; animation: fadeUp .7s .1s ease both;
}
h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p {
  font-size: 1.15rem; color: var(--muted); max-width: 560px;
  margin: 1.8rem 0 2.5rem; animation: fadeUp .7s .2s ease both;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; animation: fadeUp .7s .3s ease both; }

.btn-primary {
  background: var(--accent); color: #000; padding: .85rem 2rem; border-radius: 8px;
  font-weight: 600; text-decoration: none; font-size: .95rem; transition: all .25s;
  box-shadow: 0 0 30px rgba(0,229,176,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 40px rgba(0,229,176,.35); color: #000; }

.btn-ghost {
  border: 1px solid var(--border); color: var(--text); padding: .85rem 2rem; border-radius: 8px;
  font-weight: 500; text-decoration: none; font-size: .95rem; transition: all .25s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.04); color: var(--text); }

/* ── TECH STRIP ──────────────────────────────────────────────────────────── */
.tech-strip {
  padding: 2.5rem 4rem; border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); overflow: hidden; position: relative;
}
.tech-scroll { display: flex; gap: 1.5rem; animation: marquee 25s linear infinite; width: max-content; }
.tech-strip:hover .tech-scroll { animation-play-state: paused; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.tech-tag {
  background: var(--surface); border: 1px solid var(--border); padding: .5rem 1.2rem;
  border-radius: 6px; font-size: .8rem; font-weight: 500; color: var(--muted);
  white-space: nowrap; letter-spacing: .04em;
}

/* ── SECTIONS ────────────────────────────────────────────────────────────── */
section { padding: 7rem 4rem; position: relative; z-index: 1; }
.section-label {
  font-size: .75rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
h2 {
  font-family: 'Syne', sans-serif; font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; color: var(--heading); letter-spacing: -.02em; line-height: 1.15;
}

/* ── SERVICES ────────────────────────────────────────────────────────────── */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px; background: var(--border); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; margin-top: 4rem;
}
.service-card {
  background: var(--surface); padding: 2.5rem; transition: background .3s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); opacity: 0; transition: opacity .3s;
}
.service-card:hover { background: #161921; }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(0,229,176,.1); border: 1px solid rgba(0,229,176,.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 1.5rem;
}
.service-card h3 {
  font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 700;
  color: var(--heading); margin-bottom: .75rem;
}
.service-card p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

/* ── ABOUT ───────────────────────────────────────────────────────────────── */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; }
.stat-box {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem;
}
.stat-num {
  font-family: 'Syne', sans-serif; font-size: 2.5rem; font-weight: 800;
  color: var(--accent); line-height: 1; letter-spacing: -.04em;
}
.stat-label { font-size: .85rem; color: var(--muted); margin-top: .4rem; }
.about-visual { position: relative; }
.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2.5rem; position: relative; overflow: hidden;
}
.about-card::after {
  content: ''; position: absolute; bottom: -40px; right: -40px; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,119,255,.15), transparent 70%); border-radius: 50%;
}
.code-block {
  background: #0d1117; border: 1px solid var(--border); border-radius: 10px; padding: 1.5rem;
  font-family: 'Courier New', monospace; font-size: .82rem; color: #8b949e; line-height: 1.8; margin-top: 1.5rem;
}
.code-block .kw { color: #ff7b72; }
.code-block .fn { color: #79c0ff; }
.code-block .str { color: #a5d6ff; }
.code-block .cm { color: #8b949e; }

/* ── OFFER ───────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }
.tab {
  padding: .6rem 1.4rem; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-size: .9rem;
  font-weight: 500; transition: all .2s; font-family: inherit;
}
.tab.active, .tab:hover {
  background: rgba(0,229,176,.1); border-color: rgba(0,229,176,.3); color: var(--accent);
}
.tab-content { display: none; }
.tab-content.active { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.offer-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.5rem; display: flex; gap: 1rem; align-items: flex-start; transition: border-color .2s;
}
.offer-item:hover { border-color: rgba(0,229,176,.25); }
.offer-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  flex-shrink: 0; margin-top: 8px; box-shadow: 0 0 8px rgba(0,229,176,.5);
}
.offer-item h4 {
  font-family: 'Syne', sans-serif; font-weight: 600; color: var(--heading);
  margin-bottom: .3rem; font-size: .95rem;
}
.offer-item p { font-size: .85rem; color: var(--muted); }

/* ── CONTACT ─────────────────────────────────────────────────────────────── */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p { color: var(--muted); margin-bottom: 2.5rem; }
.contact-detail { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.contact-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(0,229,176,.1); border: 1px solid rgba(0,229,176,.2);
  display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.contact-detail span { font-size: .9rem; color: var(--text); }
.contact-detail a { color: var(--text); text-decoration: none; }
.contact-detail a:hover { color: var(--accent); }
.contact-form {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 2.5rem;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block; font-size: .82rem; font-weight: 500;
  color: var(--muted); margin-bottom: .5rem; letter-spacing: .03em;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: #0d1117; border: 1px solid var(--border);
  border-radius: 8px; padding: .75rem 1rem; color: var(--text);
  font-family: inherit; font-size: .9rem; transition: border-color .2s; outline: none; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: rgba(0,229,176,.4);
}
.form-group select option { background: #0d1117; }
.form-group textarea { min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.btn-submit {
  width: 100%; background: var(--accent); color: #000; border: none;
  padding: .9rem; border-radius: 8px; font-weight: 700; font-size: 1rem;
  cursor: pointer; font-family: inherit; transition: all .25s; margin-top: .5rem;
}
.btn-submit:hover { opacity: .85; transform: translateY(-1px); }
.btn-submit:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.form-msg {
  display: none; padding: 1rem 1.2rem; border-radius: 8px;
  font-size: .9rem; margin-top: 1rem; text-align: center;
}
.form-msg.success {
  display: block; background: rgba(0,229,176,.12);
  border: 1px solid rgba(0,229,176,.3); color: var(--accent);
}
.form-msg.error {
  display: block; background: rgba(255,80,80,.1);
  border: 1px solid rgba(255,80,80,.3); color: #ff7070;
}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border); padding: 3rem 4rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem;
}
.footer-logo {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 1.2rem; color: var(--heading); letter-spacing: -.02em;
}
.footer-logo span { color: var(--accent); }
.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: .85rem; transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: .8rem; color: var(--muted); }

/* ── DIVIDER ─────────────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ── ANIMATIONS ──────────────────────────────────────────────────────────── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section, .hero, .tech-strip { padding-left: 1.5rem; padding-right: 1.5rem; }
  footer { padding: 2rem 1.5rem; }
  .about-layout, .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; }
  .tab-content.active { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.2rem, 8vw, 3rem); }
  .form-row { grid-template-columns: 1fr; }
}