/* =============================================================
   KN BASIC – sections.css
   About, Projects, Business sections
   ============================================================= */

/* ===== ABOUT ===== */
#about { padding: 6.25rem 0; }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3.75rem; align-items: start;
}
.about-text h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 1.25rem; }
.about-text h2 span { color: var(--green); }
.about-text p  { color: var(--text2); line-height: 1.8; margin-bottom: 1rem; }

.stack-bridge {
  display: flex; flex-direction: column; gap: 0;
  align-items: center; padding: 1.75rem; margin-top: 0.5rem;
}
.stack-level {
  display: flex; align-items: center; gap: 0.875rem;
  padding: 0.875rem 1.25rem; border-radius: 0.75rem;
  background: var(--surface2); border: 1px solid var(--border);
  width: 100%; transition: all 0.3s;
}
.stack-level:hover { border-color: var(--border2); transform: translateX(0.25rem); }
.stack-arrow { text-align: center; padding: 0.375rem 0; color: var(--green); font-size: 1.125rem; opacity: 0.7; }
.stack-icon  { font-size: 1.375rem; }
.stack-info  { flex: 1; }
.stack-name  { font-weight: 600; font-size: 0.875rem; }
.stack-desc  { font-size: 0.75rem; color: var(--text3); margin-top: 0.125rem; }
.stack-badge {
  font-family: var(--mono); font-size: 0.625rem;
  padding: 0.1875rem 0.5rem; border-radius: 0.375rem;
  background: var(--green-dim); color: var(--green);
  border: 1px solid var(--border2);
}

.pillars-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.75rem; margin-top: 1.5rem;
}
.pillar-card {
  padding: 1rem; border-radius: 0.75rem;
  border: 1px solid var(--border); background: var(--surface);
  transition: all 0.3s;
}
.pillar-card:hover { border-color: var(--border2); box-shadow: 0 0.25rem 1.25rem var(--green-glow); }
.pillar-icon  { font-size: 1.5rem; margin-bottom: 0.5rem; }
.pillar-title { font-size: 0.8125rem; font-weight: 700; margin-bottom: 0.25rem; }
.pillar-desc  { font-size: 0.6875rem; color: var(--text3); line-height: 1.5; }

/* ===== PROJECTS ===== */
#projects { padding: 6.25rem 0; }
.projects-header { text-align: center; margin-bottom: 3.75rem; }
.projects-header h2 { font-size: 2.4rem; font-weight: 800; }
.projects-header h2 span { color: var(--green); }
.projects-header p { color: var(--text2); margin-top: 0.75rem; }

.projects-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}
.project-card {
  padding: 1.75rem; border-radius: 1.25rem;
  background: var(--surface); backdrop-filter: blur(1.25rem);
  border: 1px solid var(--border);
  transition: all 0.35s; overflow: hidden; position: relative;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 0.1875rem;
  background: linear-gradient(90deg, var(--green), var(--green2));
  opacity: 0; transition: opacity 0.3s;
}
.project-card:hover { border-color: var(--border2); transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.project-card:hover::before { opacity: 1; }

.project-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 1rem;
}
.project-icon   { font-size: 1.75rem; }
.project-status {
  font-family: var(--mono); font-size: 0.5625rem; padding: 0.25rem 0.625rem;
  border-radius: 1.25rem; border: 1px solid var(--border2);
  color: var(--green); background: var(--green-dim); letter-spacing: 0.0625rem;
}
.project-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.project-desc  { font-size: 0.8125rem; color: var(--text2); line-height: 1.7; margin-bottom: 1.25rem; }
.project-tags  { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-bottom: 1.25rem; justify-content: space-around;}
.tag {
  font-family: var(--mono); font-size: 0.625rem;
  padding: 0.1875rem 0.5rem; border-radius: 0.375rem;
  background: var(--bg2); color: var(--text3); border: 1px solid var(--border);
}
.project-demo   { border-top: 1px solid var(--border); padding-top: 1.25rem; margin-top: 0.25rem; }
.demo-label     { font-family: var(--mono); font-size: 0.625rem; color: var(--text3); letter-spacing: 0.0625rem; margin-bottom: 0.75rem; }

/* RFID demo */
.rfid-demo { display: flex; flex-direction: column; gap: 0.75rem; }
.rfid-display {
  font-family: var(--mono); font-size: 0.6875rem;
  padding: 0.75rem; border-radius: 0.5rem;
  background: #000; color: #00ff88; min-height: 3rem; line-height: 1.6;
  border: 1px solid rgba(0,255,136,0.2);
}
.rfid-card-btn {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.75rem 1rem; border-radius: 0.625rem;
  background: var(--bg2); border: 1px solid var(--border);
  transition: all 0.2s; font-family: var(--mono); font-size: 0.75rem; color: var(--text);
}
.rfid-card-btn:hover { border-color: var(--green); color: var(--green); }
.alarm-lights { display: flex; gap: 0.5rem; }
.alarm-led {
  width: 0.75rem; height: 0.75rem; border-radius: 50%;
  background: #333; transition: all 0.4s;
}
.alarm-led.red    { background: #ff4d6a; box-shadow: 0 0 0.5rem #ff4d6a; }
.alarm-led.green  { background: #00ff88; box-shadow: 0 0 0.5rem #00ff88; }
.alarm-led.orange { background: #ffaa00; box-shadow: 0 0 0.5rem #ffaa00; }

/* Weather OLED */
.weather-oled {
  background: #000; border-radius: 0.625rem; padding: 1rem;
  font-family: var(--mono); color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
}
.oled-header { font-size: 0.5625rem; color: #666; letter-spacing: 0.125rem; margin-bottom: 0.625rem; }
.oled-temp   { font-size: 2.2rem; font-weight: 700; color: #00ff88; }
.oled-meta   { display: flex; gap: 1rem; margin-top: 0.5rem; font-size: 0.625rem; color: #888; }
.oled-meta span { display: flex; align-items: center; gap: 0.25rem; }
.oled-loading { color: #444; font-size: 0.625rem; }
.weather-refresh {
  margin-top: 0.625rem; padding: 0.375rem 0.75rem; border-radius: 0.375rem;
  background: transparent; border: 1px solid rgba(0,255,136,0.3);
  color: #00ff88; font-family: var(--mono); font-size: 0.625rem;
  transition: all 0.2s; letter-spacing: 0.0625rem;
}
.weather-refresh:hover { background: rgba(0,255,136,0.1); }

/* Radio LCD */
.radio-lcd {
  background: #1a2012; border-radius: 0.625rem; padding: 1rem;
  border: 0.125rem solid #2a3820; font-family: var(--mono);
}
.lcd-screen {
  background: #2d3d1a; border-radius: 0.375rem; padding: 0.75rem;
  font-size: 0.6875rem; color: #a8ff5a; margin-bottom: 0.75rem;
  border: 1px solid #3d5020;
}
.lcd-title   { font-size: 0.5625rem; color: #607040; letter-spacing: 0.0625rem; margin-bottom: 0.25rem; }
.lcd-station { font-size: 0.875rem; font-weight: 700; }
.lcd-freq    { font-size: 0.625rem; color: #80a040; margin-top: 0.125rem; }
.lcd-controls { display: flex; gap: 0.5rem; align-items: center; }
.lcd-btn {
  padding: 0.375rem 0.75rem; border-radius: 0.375rem;
  background: #2a3820; border: 1px solid #3d5020;
  color: #a8ff5a; font-family: var(--mono); font-size: 0.6875rem;
  transition: all 0.2s; flex: 1;
}
.lcd-btn:hover, .lcd-btn.active { background: #3d5020; }
.lcd-volume {
  display: flex; align-items: center; gap: 0.375rem;
  margin-top: 0.625rem; font-size: 0.625rem; color: #607040;
}
.lcd-volume input { flex: 1; accent-color: #a8ff5a; height: 0.1875rem; }

/* ===== BUSINESS ===== */
#business { padding: 6.25rem 0; }
.business-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.5rem; margin-top: 3.125rem;
}
.biz-card { padding: 2rem; border-radius: 1.25rem; }
.biz-title {
  font-size: 1.2rem; font-weight: 700; margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.625rem;
}
.biz-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.biz-list li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.875rem; color: var(--text2); }
.biz-list li::before { content: '→'; color: var(--green); font-family: var(--mono); flex-shrink: 0; margin-top: 0.0625rem; }

.partners-section { margin-top: 3.125rem; padding: 2.25rem; border-radius: 1.25rem; text-align: center; }
.partners-title   { font-size: 1rem; font-weight: 600; margin-bottom: 1.5rem; color: var(--text2); }
.partners-logos   { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }
.partner-logo {
  padding: 0.75rem 1.5rem; border-radius: 0.625rem;
  background: var(--surface2); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.8125rem; font-weight: 700;
  color: var(--text2); letter-spacing: 0.0625rem; transition: all 0.2s;
}
.partner-logo:hover { border-color: var(--border2); color: var(--green); }
.partner-add {
  padding: 0.75rem 1.5rem; border-radius: 0.625rem;
  border: 1px dashed var(--border2);
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--green); background: var(--green-dim);
}
.biz-cta {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  margin-top: 2.5rem; padding: 2.5rem; border-radius: 1.25rem; text-align: center;
  background: linear-gradient(135deg, var(--green-dim), transparent);
  border: 1px solid var(--border2);
}
.biz-cta h3 { font-size: 1.5rem; font-weight: 700; }
.biz-cta p  { color: var(--text2); max-width: 31.25rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 48rem) {
  .about-grid     { grid-template-columns: 1fr; }
  .projects-grid  { grid-template-columns: 1fr; }
  .business-grid  { grid-template-columns: 1fr; }
}


/* ===== TEAM ===== */
#team { padding: 6.25rem 0; }

.team-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.75rem;
  align-items: center;
  padding: 3rem;
}

.team-text h2 { 
  font-size: 2.4rem; 
  font-weight: 800; 
  margin-bottom: 1.25rem; 
}

.team-text h2 span { color: var(--green); }

.team-text p { 
  color: var(--text2); 
  line-height: 1.8; 
  font-size: 1rem;
}

/* Kontener na zdjęcie z delikatną ramką i zaokrągleniem */
.team-image-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.team-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Subtelny efekt zoomu zdjęcia po najechaniu na kartę */
.team-inner:hover .team-img {
  transform: scale(1.03);
}

/* Dopasowanie do urządzeń mobilnych */
@media (max-width: 48rem) {
  .team-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.75rem;
  }
  .team-text h2 { font-size: 2rem; }
}