.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding: 120px 48px 80px;
  max-width: 1440px;
  margin: 0 auto;
  overflow: hidden;
}

/* ─── background ─── */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse at center,
    rgba(249, 115, 22, 0.08) 0%,
    transparent 65%);
}

.hero-glow-right {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse at center,
    rgba(249, 115, 22, 0.05) 0%,
    transparent 65%);
}

/* ─── content ─── */
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-med);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  color: var(--text-2);
  width: fit-content;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.badge-version { color: var(--accent); font-size: 0.78rem; }
.badge-sep     { color: var(--text-3); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

.title-accent {
  position: relative;
  color: var(--accent);
  display: inline-block;
}

.title-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
  opacity: 0.5;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 440px;
}

/* ─── buttons ─── */
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--r-md);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 32px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:hover::before { opacity: 1; }

.btn-os {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: rgba(0,0,0,0.25);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 4px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-med);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 13px 26px;
  border-radius: var(--r-md);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text-1);
  background: var(--bg-overlay);
}

/* ─── stats ─── */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding-top: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 24px;
}

.stat:first-child { padding-left: 0; }

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-1);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-med);
}

/* ─── visual / mockup ─── */
.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-mockup {
  width: 100%;
  max-width: 580px;
  background: var(--bg-surface);
  border: 1px solid var(--border-med);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px var(--border),
    var(--shadow-accent);
  transform: perspective(1200px) rotateY(-8deg) rotateX(3deg);
  transition: transform var(--t-lg) var(--ease);
  position: relative;
}

.app-mockup::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg,
    rgba(249,115,22,0.04) 0%,
    transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.hero-visual:hover .app-mockup {
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}

/* titlebar */
.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.titlebar-controls {
  display: flex;
  gap: 6px;
}

.ctrl {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.ctrl-close { background: #ff5f56; }
.ctrl-min   { background: #febc2e; }
.ctrl-max   { background: #28c840; }

.titlebar-title {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-left: 8px;
}

/* body */
.mockup-body {
  display: flex;
  height: 320px;
}

/* sidebar */
.mockup-sidebar {
  width: 140px;
  flex-shrink: 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-size: 0.72rem;
  color: var(--text-3);
  cursor: default;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.sidebar-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(249,115,22,0.2);
}

/* main area */
.mockup-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mockup-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.toolbar-title {
  font-size: 0.7rem;
  color: var(--text-2);
}

.toolbar-actions {
  display: flex;
  gap: 6px;
}

.tool-btn {
  font-size: 0.68rem;
  padding: 4px 10px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-2);
  cursor: default;
}

.tool-btn.accent {
  background: var(--accent-dim);
  border-color: rgba(249,115,22,0.3);
  color: var(--accent);
}

/* update list */
.update-list {
  flex: 1;
  overflow: hidden;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color var(--t) var(--ease);
}

.update-item:hover { border-color: var(--border-med); }

.update-item--critical { border-left: 2px solid var(--accent); }
.update-item--hidden   { opacity: 0.45; }

.update-item input[type="checkbox"] {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.update-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.update-name {
  font-size: 0.7rem;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-meta {
  font-size: 0.62rem;
  color: var(--text-3);
}

.update-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.update-badge--critical { background: rgba(249,115,22,0.15); color: var(--accent); }
.update-badge--important { background: rgba(250,204,21,0.12); color: #fbbf24; }
.update-badge--optional  { background: rgba(99,102,241,0.12); color: #818cf8; }
.update-badge--hidden    { background: var(--bg-overlay); color: var(--text-3); }

/* progress bar */
.mockup-progressbar {
  padding: 8px 12px 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.progress-label {
  font-size: 0.62rem;
  color: var(--accent);
}

.progress-track {
  height: 4px;
  background: var(--bg-overlay);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 64%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  border-radius: 2px;
  position: relative;
  animation: progress-shimmer 2s ease-in-out infinite;
}

@keyframes progress-shimmer {
  0%   { filter: brightness(1); }
  50%  { filter: brightness(1.25); }
  100% { filter: brightness(1); }
}

/* ─── floating badges ─── */
.float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(22, 22, 28, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-med);
  border-radius: var(--r-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
}

.float-badge--1 {
  bottom: -20px;
  left: -40px;
  animation: float-a 4s ease-in-out infinite;
}

.float-badge--2 {
  top: 20px;
  right: -30px;
  animation: float-b 5s ease-in-out infinite;
}

@keyframes float-a {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes float-b {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

.float-icon { font-size: 1.4rem; }
.float-title { font-size: 0.8rem; font-weight: 600; color: var(--text-1); }
.float-sub   { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-2); }

/* ─── responsive ─── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 100px 24px 80px;
  }

  .hero-content {
    align-items: center;
  }

  .hero-desc { max-width: 600px; }

  .title-accent::after { display: none; }

  .hero-visual {
    width: 100%;
    padding: 40px 0 20px;
  }

  .app-mockup {
    transform: none;
    max-width: 500px;
  }

  .hero-visual:hover .app-mockup { transform: none; }

  .float-badge--1 { bottom: -10px; left: 0; }
  .float-badge--2 { top: 10px; right: 0; }
}

@media (max-width: 600px) {
  .hero { padding: 90px 16px 60px; gap: 32px; }
  .hero-stats { gap: 0; flex-wrap: wrap; }
  .stat { padding: 0 16px; }
  .float-badge { display: none; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-primary, .btn-secondary { justify-content: center; }
}