.proof-page {
  padding-top: calc(5.5rem + env(safe-area-inset-top));
}

.proof-hero {
  min-height: min(65vh, 34rem);
  display: flex;
  align-items: center;
  padding: var(--section-y) var(--section-x);
}

.proof-hero-inner {
  max-width: var(--hero-shell-max);
  margin: 0 auto;
}

.proof-eyebrow {
  font-family: "Syne", sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.proof-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2rem, 5vw, 3.15rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.proof-sub {
  max-width: 48rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-size: clamp(0.95rem, 2vw, 1.08rem);
}

.proof-gallery-section {
  padding: var(--section-y) var(--section-x) calc(var(--section-y) + 2rem);
  background: var(--surface);
}

.proof-gallery {
  width: min(74rem, 96vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1rem;
}

.proof-card {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  background: var(--bg);
  overflow: hidden;
  border-radius: 6px;
  min-height: 180px;
  transition: transform .35s var(--ease-spring), border-color .3s ease, box-shadow .35s ease;
  cursor: zoom-in;
}

.proof-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 168, 255, 0.45);
  box-shadow: 0 18px 40px -18px rgba(0,0,0,.55);
}

.proof-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.proof-note {
  margin: 1.15rem auto 0;
  width: min(74rem, 96vw);
  color: var(--text-dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  line-height: 1.65;
}

.proof-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.proof-lightbox.is-open {
  display: flex;
}

.proof-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
}

.proof-lightbox-panel {
  position: relative;
  width: min(96vw, 1100px);
  max-height: 94vh;
  border: 1px solid var(--line-strong);
  background: rgba(10, 10, 10, 0.92);
  border-radius: 10px;
  overflow: hidden;
  z-index: 1;
}

[data-theme="light"] .proof-lightbox-panel {
  background: rgba(255, 255, 255, 0.95);
}

.proof-lightbox-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.proof-lightbox-actions button {
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--text);
  font-family: "Syne", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
}

.proof-lightbox-actions button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.proof-lightbox-stage {
  height: min(84vh, 780px);
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: pan-x pan-y;
}

.proof-lightbox-stage img {
  max-width: 100%;
  max-height: 100%;
  transform-origin: center center;
  transition: transform .18s ease;
  user-select: none;
  -webkit-user-drag: none;
}

@media(max-width: 768px) {
  .proof-page {
    padding-top: calc(9.8rem + env(safe-area-inset-top));
  }
  .proof-hero {
    min-height: auto;
    padding-top: 2.2rem;
  }
  .proof-gallery {
    grid-template-columns: 1fr;
  }
}