:root {
  --mono-black: #050505;
  --mono-dark: #1f1f1f;
  --mono-mid: #686868;
  --mono-light: #f2f2f2;
  --mono-white: #ffffff;
  --font-corp: 'Inter', sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-corp);
  color: var(--mono-black);
  background: var(--mono-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* Header */
.struct-topbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  z-index: 1000;
}
.struct-brand {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--mono-black);
  letter-spacing: -0.5px;
  text-transform: uppercase;
}
.struct-nav-links {
  display: flex;
  gap: 2.5rem;
}
.struct-nav-links a {
  text-decoration: none;
  color: var(--mono-mid);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}
.struct-nav-links a:hover {
  color: var(--mono-black);
}

/* Hero */
.eng-hero-pane {
  text-align: center;
  padding: 8rem 5% 5rem;
  background: var(--mono-light);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.eng-hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin: 0 0 1.5rem;
  max-width: 900px;
  font-weight: 700;
  letter-spacing: -1.5px;
}
.eng-hero-sub {
  font-size: 1.25rem;
  color: var(--mono-mid);
  max-width: 650px;
  margin: 0 0 3rem;
}
.eng-hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 5rem;
}
.eng-action-primary, .eng-action-secondary {
  padding: 1rem 2rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 2px;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.eng-action-primary {
  background: var(--mono-black);
  color: var(--mono-white);
  border: 1px solid var(--mono-black);
}
.eng-action-primary:hover {
  background: var(--mono-dark);
}
.eng-action-secondary {
  background: transparent;
  color: var(--mono-black);
  border: 1px solid var(--mono-black);
}
.eng-action-secondary:hover {
  background: var(--mono-light);
}
.eng-hero-visual {
  width: 100%;
  max-width: 1100px;
  border: 1px solid #d1d1d1;
}

/* About Deep Content */
.apex-legacy-section {
  padding: 8rem 5%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.apex-legacy-content h2 {
  font-size: 2.75rem;
  margin-top: 0;
  line-height: 1.2;
  letter-spacing: -1px;
}
.apex-legacy-content p {
  color: var(--mono-mid);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}
.inline-corp-link {
  color: var(--mono-black);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.apex-legacy-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--mono-light);
}
.stat-metric {
  display: flex;
  flex-direction: column;
}
.stat-value {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -1px;
}
.stat-value::after {
  content: '+';
  font-size: 2rem;
  vertical-align: top;
}
.stat-metric:last-child .stat-value::after {
  content: '%';
}
.stat-label {
  font-size: 0.8rem;
  color: var(--mono-mid);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.75rem;
  font-weight: 600;
}
.apex-legacy-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.apex-legacy-images img:first-child {
  grid-column: span 2;
  height: 350px;
}
.apex-legacy-images img:last-child {
  grid-column: span 2;
  height: 250px;
}

/* Services */
.solution-matrix-area {
  padding: 8rem 5%;
  background: var(--mono-black);
  color: var(--mono-white);
}
.solution-matrix-header {
  text-align: center;
  margin-bottom: 3rem;
}
.solution-matrix-header h2 {
  font-size: 2.75rem;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}
.process-micro-detail {
  font-size: 0.95rem;
  color: #999999;
  text-transform: uppercase;
  letter-spacing: 3px;
}
.solution-header-img {
  max-width: 100%;
  height: 400px;
  margin-bottom: 4rem;
  opacity: 0.8;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}
.solution-card {
  background: var(--mono-dark);
  padding: 2.5rem;
  border-top: 4px solid var(--mono-mid);
  transition: transform 0.3s ease;
}
.solution-card:hover {
  transform: translateY(-5px);
}
.solution-card h3 {
  margin-top: 0;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}
.solution-desc {
  color: #b3b3b3;
  font-size: 1rem;
  margin-bottom: 2rem;
}
.solution-benefit {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--mono-white);
  border-left: 2px solid var(--mono-white);
  padding-left: 1rem;
}

/* Testimonials */
.feedback-roster-wrap {
  padding: 8rem 5%;
  background: var(--mono-white);
}
.feedback-roster-wrap > h2 {
  text-align: center;
  font-size: 2.75rem;
  margin-bottom: 4rem;
  letter-spacing: -1px;
}
.feedback-roster {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
}
.feedback-card {
  flex: 1 1 320px;
  max-width: 450px;
  background: var(--mono-light);
  padding: 3rem 2.5rem;
  position: relative;
}
.feedback-quote {
  font-style: italic;
  color: var(--mono-dark);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}
.feedback-author {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.feedback-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  filter: grayscale(100%);
}
.feedback-meta strong {
  display: block;
  font-size: 0.95rem;
  color: var(--mono-black);
}
.feedback-meta span {
  font-size: 0.85rem;
  color: var(--mono-mid);
}

/* Contact */
.consult-inquiry-zone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--mono-light);
}
.consult-image-wrap img {
  height: 100%;
  min-height: 600px;
}
.consult-form-wrap {
  padding: 6rem 8rem 6rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.consult-form-wrap h2 {
  font-size: 2.75rem;
  margin-top: 0;
  margin-bottom: 2.5rem;
  letter-spacing: -1px;
}
.consult-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.consult-input {
  width: 100%;
  padding: 1.25rem;
  border: 1px solid #d1d1d1;
  background: var(--mono-white);
  font-family: var(--font-corp);
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s ease;
}
.consult-input:focus {
  outline: none;
  border-color: var(--mono-black);
}
textarea.consult-input {
  resize: vertical;
  min-height: 150px;
}
.consult-btn {
  background: var(--mono-black);
  color: var(--mono-white);
  border: none;
  padding: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
  transition: background 0.3s ease;
}
.consult-btn:hover {
  background: var(--mono-mid);
}

/* Footer */
.apex-base-footer {
  background: var(--mono-black);
  color: var(--mono-white);
  padding: 5rem 5% 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-col h4 {
  margin-top: 0;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  color: var(--mono-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col p, .footer-col a {
  color: #999999;
  font-size: 0.9rem;
  text-decoration: none;
  margin-bottom: 0.75rem;
  display: block;
}
.footer-col a:hover {
  color: var(--mono-white);
}
.footer-bottom {
  border-top: 1px solid var(--mono-dark);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--mono-mid);
}
.tiny-disclaimer {
  font-size: 0.75rem;
  color: #444444;
  margin-top: 1.5rem;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 1024px) {
  .apex-legacy-section, .consult-inquiry-zone {
    grid-template-columns: 1fr;
  }
  .apex-legacy-images img:first-child, 
  .apex-legacy-images img:last-child {
    height: auto;
  }
  .consult-form-wrap {
    padding: 4rem 5%;
  }
  .eng-hero-title {
    font-size: 3rem;
  }
  .struct-nav-links {
    display: none;
  }
}
