:root {
  --sage-light: #e3ebd6;
  --sage-mid: #b8c9a3;
  --sage-dark: #7a8b66;
  --ink-primary: #1a261a;
  --ink-secondary: #2c3f2d;
  --bg-white: #fafaf7;
  --accent-mono: 'Space Mono', monospace;
  --font-body: 'Manrope', sans-serif;
  --transition-sys: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--ink-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

.fluid-cover-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.oak-bounds {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
.mono-sys-label {
  font-family: var(--accent-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-dark);
  display: block;
  margin-bottom: 0.5rem;
}

.mono-sys-label.light-variant {
  color: var(--sage-light);
}

.hero-display-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub-string {
  font-size: 1.125rem;
  color: var(--ink-secondary);
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.section-head-dark, .section-head-light {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-head-light {
  color: var(--bg-white);
}

.text-center {
  text-align: center;
}

.inline-mono-link {
  font-family: var(--accent-mono);
  color: var(--sage-dark);
  text-decoration: underline;
  text-decoration-color: var(--sage-mid);
  text-underline-offset: 4px;
  transition: var(--transition-sys);
}

.inline-mono-link:hover {
  color: var(--ink-primary);
  text-decoration-color: var(--ink-primary);
}

/* Buttons */
.oak-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--ink-primary);
  color: var(--bg-white);
  padding: 0.875rem 1.75rem;
  font-family: var(--accent-mono);
  font-size: 0.875rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-sys);
  border: 1px solid var(--ink-primary);
  cursor: pointer;
}

.oak-btn-primary:hover {
  background-color: transparent;
  color: var(--ink-primary);
}

.full-width-btn {
  width: 100%;
  margin-top: 1rem;
}

/* Header */
.oak-top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sage-light);
  padding: 1.25rem 0;
}

.oak-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.oak-brand-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.oak-brand-text {
  font-family: var(--accent-mono);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
}

.oak-brand-text.light-text {
  color: var(--bg-white);
}

.oak-nav-routes {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.oak-route-node {
  text-decoration: none;
  color: var(--ink-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-sys);
}

.oak-route-node:not(.oak-btn-primary):hover {
  color: var(--sage-dark);
}

/* Hero - Asymmetric Grid */
.hero-asym-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 85vh;
  padding-left: max(2rem, calc((100vw - 1280px) / 2 + 2rem));
}

.hero-text-module {
  padding: 6rem 4rem 6rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-action-cluster {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-top: 1rem;
}

.hero-stat-node {
  display: flex;
  flex-direction: column;
}

.mono-stat-digit {
  font-family: var(--accent-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1;
}

.hero-visual-module {
  position: relative;
  height: 100%;
  background-color: var(--sage-light);
}

.hero-visual-module img {
  height: 100%;
  border-bottom-left-radius: 40px;
}

.hero-badge-float {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  background: var(--bg-white);
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  border-left: 4px solid var(--sage-dark);
}

/* Deep Context Sector (About) */
.deep-context-sector {
  padding: 8.5rem 0 6.2rem;
}

.context-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 6rem;
  align-items: center;
}

.context-visuals {
  position: relative;
}

.img-offset-a {
  aspect-ratio: 4/5;
  border-radius: 4px;
}

.img-offset-b {
  position: absolute;
  bottom: -3rem;
  right: -3rem;
  width: 60%;
  aspect-ratio: 1/1;
  border: 12px solid var(--bg-white);
  border-radius: 4px;
}

.narrative-body {
  font-size: 1.125rem;
  color: var(--ink-secondary);
  margin-bottom: 1.5rem;
}

.narrative-micro-details {
  list-style: none;
  margin: 2.5rem 0;
  padding: 1.5rem;
  background-color: var(--sage-light);
  border-radius: 4px;
}

.narrative-micro-details li {
  margin-bottom: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.narrative-micro-details li:last-child {
  margin-bottom: 0;
}

.mono-bullet {
  font-family: var(--accent-mono);
  color: var(--sage-dark);
}

.oak-disclaimer {
  display: block;
  font-size: 0.75rem;
  color: #666;
  font-style: italic;
  margin-top: 1rem;
}

/* Surgical Interventions (Services) */
.surgical-interventions-wrap {
  background-color: var(--ink-secondary);
  color: var(--bg-white);
  padding: 7rem 0 8rem;
  margin-top: 3.5rem;
}

.interventions-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 1.5rem;
  margin-bottom: 3rem;
}

.tab-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-trigger {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--sage-mid);
  padding: 1rem 2rem;
  font-family: var(--accent-mono);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-sys);
  white-space: nowrap;
}

.tab-trigger:hover {
  border-color: var(--sage-light);
  color: var(--bg-white);
}

.tab-trigger.active {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
  color: var(--bg-white);
}

.tab-panel {
  display: none;
  animation: fade-in 0.5s ease forwards;
}

.tab-panel.active {
  display: block;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.panel-text h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.panel-text p {
  color: var(--sage-light);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.benefit-list {
  list-style: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
}

.benefit-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-family: var(--accent-mono);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
}

.benefit-list li::after {
  content: '+';
  color: var(--sage-mid);
}

.panel-media img {
  aspect-ratio: 16/9;
  border-radius: 4px;
}

/* Clinical Outcomes (Testimonials) */
.clinical-outcomes-band {
  padding: 8rem 0 5rem;
  background-color: var(--sage-light);
}

.testimonial-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.outcome-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.card-offset {
  transform: translateY(2rem);
}

.outcome-quote {
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 2rem;
  color: var(--ink-secondary);
}

.outcome-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--sage-light);
  padding-top: 1.5rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 800;
  display: block;
  font-size: 0.9rem;
}

/* Inquiry Routing (Contact) */
.inquiry-routing-sector {
  padding: 6rem 0 9rem;
}

.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.form-context {
  margin-bottom: 2.5rem;
  color: var(--ink-secondary);
}

.sys-input-group {
  margin-bottom: 1.5rem;
}

.sys-field {
  width: 100%;
  padding: 1rem;
  background: var(--sage-light);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-sys);
}

.sys-field:focus {
  outline: none;
  border-color: var(--sage-dark);
  background: var(--bg-white);
}

.contact-visual-housing {
  position: relative;
}

.contact-visual-housing img {
  aspect-ratio: 3/4;
  border-radius: 4px;
}

.operating-hours-block {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  background: var(--ink-secondary);
  color: var(--bg-white);
  padding: 2rem;
  width: 80%;
}

.hours-list {
  list-style: none;
  margin-top: 1rem;
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

/* Footer */
.oak-footer-base {
  background-color: var(--ink-primary);
  color: var(--bg-white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-tagline {
  color: var(--sage-mid);
  margin-top: 1rem;
  max-width: 250px;
}

.footer-link {
  display: block;
  color: var(--bg-white);
  text-decoration: none;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  transition: var(--transition-sys);
}

.footer-link:hover {
  color: var(--sage-mid);
}

.footer-address {
  color: var(--sage-light);
  font-size: 0.9rem;
  margin-top: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
}

/* Responsive Leakage */
@media (max-width: 1024px) {
  .hero-asym-matrix {
    grid-template-columns: 1fr;
    padding-left: 0;
  }
  .hero-text-module {
    padding: 4rem 2rem;
  }
  .hero-visual-module img {
    border-radius: 0;
  }
  .context-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .img-offset-b {
    display: none;
  }
}

@media (max-width: 768px) {
  .oak-nav-routes {
    display: none;
  }
  .panel-grid, .contact-split, .footer-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-masonry {
    grid-template-columns: 1fr;
  }
  .card-offset {
    transform: translateY(0);
  }
  .operating-hours-block {
    position: relative;
    bottom: 0;
    left: 0;
    width: 100%;
    margin-top: -2rem;
  }
  .deep-context-sector {
    padding: 4rem 0;
  }
}