/* ============================
   RESET & BASE
   ============================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #0a0a0a;
  color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================
   NAVIGATION
   ============================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  z-index: 50;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.nav-logo {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #ffffff;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

/* ============================
   SCRUB STAGE
   Outer = 400vh (4 screens of scroll = scrub timeline)
   Inner = sticky, pinned below nav, full-bleed video
   ============================ */
.scroll-container {
  height: 400vh;
  position: relative;
}

.sticky-wrapper {
  position: sticky;
  top: 64px;
  width: 100%;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: #000;
  will-change: transform;
}

#scrub-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Overlay: text + scroll indicator
   Sits on top of the video, doesn't capture pointer events */
.stage-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 64px 48px 48px;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0) 30%,
    rgba(0, 0, 0, 0) 70%,
    rgba(0, 0, 0, 0.45) 100%
  );
}

.stage-content {
  max-width: 700px;
}

.stage-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.stage-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 12px;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

.stage-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  animation: scroll-bounce 2.4s ease-in-out infinite;
}

.scroll-indicator svg {
  animation: scroll-bounce-arrow 2.4s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50%      { transform: translateY(6px); opacity: 1; }
}

@keyframes scroll-bounce-arrow {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ============================
   PRODUCT SECTION
   ============================ */
.product-section {
  padding: 120px 24px;
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  background: #0a0a0a;
}

.product-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.product-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.product-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.product-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
}

.product-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: #ffffff;
  color: #0a0a0a;
}

.btn-primary:hover {
  background: #e8e8e8;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ============================
   STORY SECTION
   ============================ */
.story-section {
  padding: 120px 24px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: #0a0a0a;
}

.story-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 24px;
}

.story-body {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
  padding: 40px 24px;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #0a0a0a;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
  .site-nav {
    padding: 0 16px;
  }

  .nav-link {
    padding: 6px 10px;
    font-size: 0.8125rem;
  }

  .product-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-title {
    font-size: 1.875rem;
  }

  .product-section,
  .story-section {
    padding: 64px 16px;
  }

  .stage-overlay {
    padding: 48px 24px 32px;
  }
}