Laboratorium_AI_site/src/index.css

:root {
  --bg-color: #0c0c14;
  --bg-accent: #11111a;
  --bg-sidebar: #0f1016;
  --text-main: #f5f5f7;
  --text-muted: #8b8b9a;

  --border-color: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(255, 255, 255, 0.12);

  --accent-color: #4f46e5;
  --accent-hover: #4338ca;

  --card-radius: 1.25rem;
  --grid-gap: 1.5rem;

  /* Badges */
  --badge-hot: #e11d48;
  --badge-tutorial: #8b5cf6;
  --badge-new: #10b981;
  --badge-tips: #f59e0b;
}

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

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== NAVIGATION ===== */
.main-nav {
  width: 100%;
  background: rgba(15, 16, 22, 0.85);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  position: relative;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.65, 0, 0.35, 1);
  box-shadow: 0 0 8px var(--accent-color);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-button {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-button:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-hamburger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger--open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== PAGE WRAPPER ===== */
.page-wrapper {
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
}

/* ===== SIDEBAR ===== */
.sidebar {
  background-color: transparent;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 600;
  border-bottom: 2px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: color 0.2s ease;
  outline-offset: 4px;
}

.news-item:focus-visible {
  outline: 2px solid var(--accent-color);
  border-radius: 4px;
}

.news-item:hover .news-title {
  color: var(--accent-color);
}

.news-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.news-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.4;
  transition: color 0.2s ease;
}

/* ===== VIDEOS ===== */
.video-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  cursor: pointer;
  outline-offset: 4px;
}

.video-item:focus-visible {
  outline: 2px solid var(--accent-color);
  border-radius: 4px;
}

.video-thumb {
  width: 90px;
  height: 60px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  position: relative;
  flex-shrink: 0;
}

.video-thumb::after {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
}

.video-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-title {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.video-views {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== SUBSCRIBE BOX ===== */
.subscribe-box {
  background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
  border-radius: var(--card-radius);
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.subscribe-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.subscribe-box p {
  font-size: 0.85rem;
  color: #c7d2fe;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.subscribe-box input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.2);
  color: white;
  margin-bottom: 1rem;
  font-family: inherit;
  font-size: 0.9rem;
}

.subscribe-box input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.subscribe-box button {
  width: 100%;
  padding: 0.8rem;
  border-radius: 8px;
  border: none;
  background: white;
  color: #3730a3;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.2s ease;
  font-family: inherit;
}

.subscribe-box button:hover {
  transform: translateY(-2px);
}

.subscribe-success {
  font-size: 0.9rem;
  color: #a5f3c0;
  margin-top: 0.5rem;
}

/* ===== BENTO AREA ===== */
.bento-area {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 360px repeat(3, 240px);
  grid-auto-rows: 240px;
  gap: var(--grid-gap);
}

/* ===== BENTO CARD ===== */
.bento-card {
  position: relative;
  background-color: var(--bg-accent);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--border-color);
  outline-offset: 3px;
}

.bento-card:focus-visible {
  outline: 2px solid var(--accent-color);
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(79, 70, 229, 0.4), 0 0 20px rgba(79, 70, 229, 0.2);
  border-color: rgba(79, 70, 229, 0.4);
}

.bento-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
  transition: transform 0.5s ease, opacity 1s ease-in-out;
}

.bento-card:hover .bento-bg {
  transform: scale(1.05);
}

.bento-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(5, 5, 10, 0.95) 0%, rgba(5, 5, 10, 0.3) 50%, rgba(5, 5, 10, 0) 100%);
  z-index: 2;
}

.bento-content {
  position: relative;
  z-index: 3;
  padding: 1.5rem;
  width: 100%;
}

.bento-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 3;
}

.badge-hot      { background: var(--badge-hot);      color: white; }
.badge-tutorial { background: var(--badge-tutorial); color: white; }
.badge-new      { background: var(--badge-new);      color: white; }
.badge-tips     { background: var(--badge-tips);     color: white; }

.article-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.article-meta {
  font-size: 0.8rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-meta span.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

/* Hero card */
.hero-article .article-title {
  font-size: 2.2rem;
}

.hero-article .bento-content {
  padding: 2.5rem;
}

.hero-article .bento-badge {
  top: 2.5rem;
  left: 2.5rem;
}

/* ===== SLIDESHOW ===== */
.slideshow-card {
  padding: 0;
}

.slideshow-card .bento-bg {
  opacity: 0;
  z-index: 1;
}

.slideshow-card .bento-bg[data-active="true"] {
  opacity: 1;
  z-index: 2;
}

.slideshow-card .bento-overlay {
  z-index: 3;
}

.slideshow-content {
  position: relative;
  z-index: 4;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}

.slideshow-slide {
  opacity: 0;
  position: absolute;
  bottom: 4rem;
  left: 1.5rem;
  right: 1.5rem;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.slideshow-slide--active {
  opacity: 1;
  position: relative;
  bottom: auto;
  left: auto;
  right: auto;
  pointer-events: auto;
}

.slideshow-title {
  margin-top: 2.5rem;
  font-size: 1.8rem;
}

.slideshow-dots {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.slideshow-dot {
  height: 8px;
  width: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.slideshow-dot--active {
  width: 24px;
  background: var(--accent-color);
}

/* ===== PULSE DOT ===== */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-color);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
  70%  { box-shadow: 0 0 0 8px rgba(79, 70, 229, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 100%;
  max-width: 400px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  z-index: 1000;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8);
  animation: slideInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(10px);
}

@keyframes slideInUp {
  from { transform: translateY(100px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

.cookie-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #fff;
}

.cookie-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
}

.button-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  flex: 1;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.button-primary {
  background: var(--accent-color);
  color: white;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
  font-family: inherit;
  flex: 1;
}

.button-primary:hover {
  background: var(--accent-hover);
}

/* ===== FOOTER ===== */
.main-footer {
  width: 100%;
  border-top: 1px solid var(--border-color);
  background-color: transparent;
  padding: 4rem 2rem 2rem;
  margin-top: 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 250px;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== RESPONSYWNOŚĆ ===== */
@media (max-width: 1400px) {
  .page-wrapper {
    grid-template-columns: 1fr 280px;
  }
}

@media (max-width: 1100px) {
  .page-wrapper {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  .sidebar-right {
    display: none;
  }
  .bento-area {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 360px repeat(3, 240px);
    grid-auto-rows: 240px;
  }
}

@media (max-width: 768px) {
  .nav-hamburger {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 16, 22, 0.98);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    backdrop-filter: blur(12px);
  }
  .nav-links--open {
    display: flex;
  }
  .nav-links a {
    padding: 0.85rem 2rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1rem;
  }
  .nav-links a::after {
    display: none;
  }
  .nav-actions {
    display: none;
  }
  .main-nav {
    position: relative;
  }
  .bento-area {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 300px auto;
    grid-auto-rows: 220px;
  }
  .bento-area > * {
    grid-column: auto !important;
    grid-row: auto !important;
  }
  .slideshow-card {
    grid-column: 1 / -1 !important;
  }
  .hero-article {
    grid-column: 1 / -1 !important;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 4rem 1.25rem 3rem;
  }
  .hero__cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__btn-primary {
    justify-content: center;
  }
  .bento-area {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }
  .bento-area > * {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }
  .hero-article .article-title {
    font-size: 1.6rem;
  }
  .page-wrapper {
    padding: 0.75rem;
    gap: 0.75rem;
  }
}
  .cookie-banner {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    max-width: calc(100% - 2rem);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 2rem 4rem;
  border-bottom: 1px solid var(--border-color);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 60% 50%, rgba(79, 70, 229, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse 40% 60% at 10% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* ── Lewa strona ── */
.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Eyebrow */
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: fit-content;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.3);
  border-radius: 100px;
  padding: 0.4rem 1.1rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #a5b4fc;
  letter-spacing: 0.02em;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-color);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

/* Headline */
.hero__headline {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero__headline-accent {
  background: linear-gradient(135deg, #818cf8 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtitle */
.hero__subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 500px;
}

/* CTA group */
.hero__cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero__btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent-color);
  color: #fff;
  border: none;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.hero__btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(79, 70, 229, 0.55);
}

.hero__btn-ghost {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero__btn-ghost:hover {
  color: var(--text-main);
}

/* Social proof */
.hero__proof {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__avatars {
  display: flex;
}

.hero__avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--bg-color);
  margin-left: -10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero__avatars .hero__avatar:first-child {
  margin-left: 0;
}

.hero__proof-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero__stars {
  color: #f59e0b;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.hero__proof-text strong {
  color: var(--text-main);
  font-weight: 600;
}

/* ── Prawa strona (zdjęcie) ── */
.hero__image-wrap {
  position: relative;
}

/* warstwa 2: float — wszystko lata razem */
.hero__robot-float {
  position: relative;
  display: flex;
  justify-content: center;
  animation: robot-float 4s ease-in-out infinite;
  transform-origin: center bottom;
}

/* warstwa 3: blask korpusu — cyan, przesunięty o -1.6s względem żarówki */
.hero__robot-body-glow {
  display: none; /* Removed as it creates an unnatural circle */
}

/* warstwa 4: obraz z blaskiem żarówki (żółty drop-shadow kierunkowy) */
.hero__robot-layers {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1 / 1;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  overflow: visible; /* changed from hidden to let glow expand if needed */
}

.hero__robot-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: normal; /* changed from screen for better body appearance */
  pointer-events: none;
}

.hero__robot-layer--body {
  z-index: 1;
  filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.3));
  animation: robot-body-glow 3.2s ease-in-out infinite;
  animation-delay: -1.6s;
}

.hero__robot-bulb-container {
  position: absolute;
  top: 90px;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  animation: bulb-float 5s ease-in-out infinite;
}

.hero__robot-layer--bulb {
  z-index: 2;
  mix-blend-mode: screen; /* bulb and glow should be screen */
  animation: bulb-flicker 2.4s ease-in-out infinite;
  transform: scale(0.35) translate(95%, -135%);
  transform-origin: center;
}

.hero__robot-shadow {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 55%;
  height: 18px;
  background: radial-gradient(ellipse, rgba(79, 70, 229, 0.5) 0%, transparent 70%);
  border-radius: 50%;
  animation: robot-shadow 4s ease-in-out infinite;
  filter: blur(6px);
}

/* ── Keyframes ── */
@keyframes bulb-flicker {
  0%, 100% { opacity: 0.8; filter: drop-shadow(0 0 10px rgba(254, 244, 187, 0.4)); }
  33%       { opacity: 1;   filter: drop-shadow(0 0 25px rgba(254, 244, 187, 0.9)); }
  66%       { opacity: 0.9; filter: drop-shadow(0 0 15px rgba(254, 244, 187, 0.6)); }
}

@keyframes body-glow-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(1.1); }
}

@keyframes robot-body-glow {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(34, 211, 238, 0.2)); }
  50%       { filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.5)); }
}

@keyframes robot-float {
  0%, 100% { transform: translateY(0px)   rotate(0deg); }
  30%       { transform: translateY(-18px) rotate(-1.5deg); }
  70%       { transform: translateY(-10px) rotate(1deg); }
}


@keyframes robot-shadow {
  0%, 100% { transform: translateX(-50%) scaleX(1);   opacity: 0.6; }
  30%       { transform: translateX(-50%) scaleX(0.7); opacity: 0.3; }
  70%       { transform: translateX(-50%) scaleX(0.85); opacity: 0.4; }
}

@keyframes bulb-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
}


/* ── Responsywność ── */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .hero__eyebrow,
  .hero__proof {
    margin: 0 auto;
  }
  .hero__subtitle {
    max-width: 100%;
  }
  .hero__cta-group {
    justify-content: center;
  }
  .hero__image-wrap {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 4rem 1.25rem 3rem;
  }
  .hero__cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__btn-primary {
    justify-content: center;
  }
}

/* ===== LOADING & ERROR STATES ===== */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-color);
  gap: 1.5rem;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-screen p {
  color: var(--text-muted);
  font-size: 1rem;
}

.error-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 1rem 2rem;
  text-align: center;
}