/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { position: relative; }

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}

.hero-meta .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.hero-meta .status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 112px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  color: var(--fg);
}

.hero-title .line {
  display: block;
  overflow: hidden;
  padding: 0 0.08em 0.22em;
  margin: 0 -0.08em -0.22em;
}

.hero-title .word {
  display: inline-block;
  transform: translateY(110%);
  animation: wordIn 1s var(--ease-out) forwards;
}

.hero-title .accent {
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, var(--accent), var(--orb-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}

@keyframes wordIn {
  to { transform: translateY(0); }
}

.hero-tagline {
  font-size: clamp(17px, 2vw, 22px);
  color: var(--fg-soft);
  margin-bottom: 36px;
  max-width: 48ch;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.6s forwards;
}

.hero-tagline strong {
  color: var(--fg);
  font-weight: 600;
  font-style: italic;
  font-family: var(--font-display);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.8s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 999px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  will-change: transform;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 8px 32px -8px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -8px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -6px var(--accent-glow);
  transition-duration: 0.1s;
}

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--fg);
  background: var(--surface);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn-ghost:active {
  transform: translateY(-1px);
  transition-duration: 0.1s;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 1s forwards;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-num .plus { color: var(--muted); }

.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* 头像 */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-frame {
  position: relative;
  width: clamp(240px, 30vw, 360px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface);
  padding: 8px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.4);
  animation: floatY 6s ease-in-out infinite;
}

[data-theme="light"] .avatar-frame {
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.2);
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
}

/* 头像加载失败的占位 — 显示首字母 */
.avatar-frame.avatar-fallback {
  background: linear-gradient(135deg, var(--surface-2), var(--bg-soft));
  display: grid;
  place-items: center;
}
.avatar-frame.avatar-fallback::after {
  content: 'J';
  font-family: var(--font-display);
  font-size: clamp(120px, 18vw, 200px);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.avatar-ring {
  position: absolute;
  inset: -20px;
  border: 1px dashed var(--border-strong);
  border-radius: 50%;
  animation: rotate 30s linear infinite;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  background: var(--accent-quiet);
  border-radius: 50%;
}

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