/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: 140px 8vw 80px;
  z-index: 5;
}

.hero-inner {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1.1s var(--duration) 0.1s forwards;
}

.kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.name {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(64px, 11vw, 132px);
  line-height: 0.92;
  letter-spacing: var(--tracking-tight);
  color: var(--ink);
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
}

.name .line {
  display: block;
  overflow: hidden;
  position: relative;
}

.name .line > span,
.name .line {
  background: linear-gradient(180deg, #FFFFFF 0%, #E8E8EA 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.line-1 {
  opacity: 0;
  transform: translateY(110%);
  animation: nameReveal 1.2s var(--duration) 0.25s forwards;
}

.line-2 {
  opacity: 0;
  transform: translateY(110%);
  animation: nameReveal 1.2s var(--duration) 0.4s forwards;
  padding-left: 0.06em;
  display: flex;
  align-items: baseline;
  gap: 0.06em;
}

.line-2 > span,
.line-2 {
  background: linear-gradient(180deg, #FFFFFF 0%, #B8B8C2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes nameReveal {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.cursor-mark {
  color: var(--accent);
  font-weight: 300;
  -webkit-text-fill-color: var(--accent);
  animation: blink 1.4s ease-in-out infinite;
  margin-left: 0.04em;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.2; }
}

.headline {
  font-family: var(--serif);
  font-size: clamp(13px, 1.1vw, 15px);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin-bottom: 28px;
  opacity: 0;
  animation: rise 1s var(--duration) 0.65s forwards;
}

.research-statement {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(18px, 2.1vw, 26px);
  line-height: 1.45;
  letter-spacing: var(--tracking);
  color: rgba(245, 245, 245, 0.78);
  max-width: 640px;
  margin-bottom: 48px;
  opacity: 0;
  animation: rise 1s var(--duration) 0.8s forwards;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 80px;
  opacity: 0;
  animation: rise 1s var(--duration) 0.95s forwards;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 450;
  letter-spacing: -0.005em;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: none;
  transition: border-color 0.3s var(--duration), background 0.3s var(--duration);
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  opacity: 0;
  transition: opacity 0.3s var(--duration);
  z-index: -1;
}

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

.btn.primary {
  background: #fff;
  color: #0A0A0A;
  border-color: #fff;
}

.btn.primary::before {
  background: linear-gradient(135deg, #fff, #d8d8e0);
}

.btn.ghost {
  color: var(--ink);
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--duration);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ============================================
   Hero meta
   ============================================ */

.meta-line {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  opacity: 0;
  animation: rise 1s var(--duration) 1.15s forwards;
}

.meta-item {
  display: inline-block;
}

.meta-sep {
  color: var(--line-strong);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0;
  animation: rise 1s var(--duration) 1.4s forwards;
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, transparent, var(--ink-faint) 50%, transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.6); transform-origin: top; opacity: 0.5; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
}