/* ===== HERO ===== */
.phys-hero {
  background: linear-gradient(135deg, var(--zinc-900) 0%, var(--zinc-800) 100%);
  padding: 10rem 0 8rem;
  color: white;
  position: relative;
  overflow: hidden;
}



.phys-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .phys-hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.phys-hero-text .page-hero-overtitle { color: var(--emerald-400, #34d399); }

.phys-hero-text .page-hero-title {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: white;
}

.phys-hero-text .page-hero-subtitle {
  color: rgba(255,255,255,0.75);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.phys-hero-img {
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}

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

/* ===== ARMOR PANELS ===== */
.armor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .armor-grid { grid-template-columns: 1fr; }
}

.armor-panel {
  border-radius: 1.25rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.armor-panel--left  { background: linear-gradient(135deg, #1a2a3a, #2d4a6a); color: white; }
.armor-panel--right { background: linear-gradient(135deg, #064e3b, #065f46); color: white; }

.armor-panel-header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.armor-panel-icon {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: 0.625rem;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: rgba(255,255,255,0.85);
}

.armor-panel-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  line-height: 2;
  align-self: center;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.armor-panel-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
}

.armor-panel-desc {
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.armor-panel-function {
  background: rgba(255,255,255,0.08);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
}

.armor-function-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.5rem;
}

.armor-panel-function p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== TEST STEPS ===== */
.test-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.test-img {
  flex-shrink: 0;
  width: 520px;
}

.test-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

@media (max-width: 900px) {
  .test-layout { grid-template-columns: 1fr; }
  .test-img { width: 100%; max-width: 280px; margin: 0 auto; }
}

.test-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 630px;
}

.phys-video-wrapper {
  max-width: 52rem;
  margin: 0 auto 3rem;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
  background: #000;
}

.phys-video-wrapper video {
  width: 100%;
  display: block;
}

.test-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--zinc-50);
  padding: 1.75rem;
  border-radius: 1rem;
  border: 1.5px solid var(--zinc-200);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.test-step-icon {
  line-height: 0;
  display: flex;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--zinc-100);
  border-radius: 0.75rem;
}

.test-step-icon img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.test-step-content h4 {
  font-weight: 700;
  font-size: 1.0625rem;
  margin-bottom: 0.4rem;
}

.test-step-content p {
  color: var(--zinc-600);
  line-height: 1.65;
  font-size: 0.9375rem;
}

.test-step-content p span {
  font-weight: 700;
  color: var(--zinc-800);
}

/* ===== ERGONOMICS ===== */
.phys-ergo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .phys-ergo-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.phys-ergo-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.75rem;
}

.ergo-block {
  border-radius: 0.875rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.ergo-block--problem {
  background: var(--zinc-50);
  border: 1.5px solid var(--zinc-200);
}

.ergo-block--solution {
  background: var(--emerald-50, #ecfdf5);
  border: 1.5px solid var(--emerald-200, #a7f3d0);
}

.ergo-block-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--zinc-400);
  margin-bottom: 0.5rem;
}

.ergo-block--solution .ergo-block-label { color: #065f46; }

.ergo-block p {
  color: var(--zinc-600);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.ergo-block--solution p { color: #065f46; }

.phys-ergo-img {
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.15);
}

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

/* ===== FIELD TESTS (DARK) ===== */
#phys-field .section-title { color: white; }
#phys-field .section-subtitle { color: rgba(255,255,255,0.7); }

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

@media (max-width: 640px) {
  .field-grid { grid-template-columns: 1fr; }
}

.field-card {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  padding: 1.5rem;
}

.field-card-icon { line-height: 0; margin-bottom: 0.75rem; display: flex; }

.field-card h4 {
  font-weight: 700;
  font-size: 1rem;
  color: white;
  margin-bottom: 0.5rem;
}

.field-card p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  line-height: 1.65;
}

.field-video-placeholder {
  background: rgba(0,0,0,0.35);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 1.25rem;
  aspect-ratio: 16 / 9;
  max-width: 52rem;
  margin: 0 auto 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  cursor: pointer;
}

.field-video-placeholder:hover .bio-video-play { background: rgba(255,255,255,0.2); }

.field-result {
  max-width: 52rem;
  margin: 0 auto 2.5rem;
  background: rgba(255,255,255,0.06);
  border-left: 3px solid var(--emerald-500, #10b981);
  border-radius: 0 0.75rem 0.75rem 0;
  padding: 1.25rem 1.5rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.field-result span {
  font-weight: 700;
  color: white;
}