/* ==========================================================================
   CASTLE'S OAK AI STUDIOS — WEBSITE V2 DESIGN SYSTEM
   Brand: Castle's Oak AI Studios
   Target Domain: castlesoakai.com
   Palette: Deep Forest Green, Charcoal Slate, Warm Oak Amber, Signal Foliage
   ========================================================================== */

/* --- 1. DESIGN TOKENS --- */
:root {
  /* Color Palette - Warm Natural Linen / Soft Stone / Light Warm Parchment */
  --bg-base: #F7F5F0;
  --bg-surface: #FFFFFF;
  --bg-surface-raised: #EFECE4;
  --bg-surface-hover: #F2EFE8;
  --bg-surface-active: #E8E3D8;

  /* Restrained Forest & Sage Accents */
  --forest-deep: #14201A;
  --forest-core: #243B2F;
  --forest-medium: #345443;
  --forest-light: #4A735C;
  --forest-sage: #5E7569;

  /* Golden Oak & Amber Accents (Harmonized for Warm Light Canvas) */
  --oak-amber: #B87D3B;
  --oak-amber-bright: #966228;
  --oak-amber-deep: #784E1C;
  --oak-amber-dim: rgba(184, 125, 59, 0.10);

  /* Typography Colors (Deep Charcoal Forest Primary — WCAG AAA) */
  --text-primary: #18221D;
  --text-secondary: #475850;
  --text-muted: #6E7E76;
  --text-inverse: #F7F5F0;

  /* Borders & Dividers */
  --border-subtle: #E2DDD5;
  --border-medium: #D0C8BC;
  --border-oak: rgba(184, 125, 59, 0.35);
  --border-strong: rgba(184, 125, 59, 0.60);

  /* Functional Status & Focus Colors (Reserved for Meaningful States) */
  --status-active: #238647;
  --status-active-dim: rgba(35, 134, 71, 0.10);
  --focus-ring: #238647;

  /* Typography Scales — Robust Local & System Font Stacks (Zero External Requests) */
  --font-serif: 'Newsreader', 'Lora', 'Charter', 'Bitstream Charter', 'Iowan Old Style', 'Georgia', 'Cambria', serif;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;

  /* Elevation Shadows (Soft Natural Lighting) */
  --shadow-sm: 0 1px 3px rgba(24, 34, 29, 0.05);
  --shadow-md: 0 4px 14px rgba(24, 34, 29, 0.06);
  --shadow-lg: 0 10px 28px rgba(24, 34, 29, 0.08);
  --shadow-card: 0 1px 3px rgba(24, 34, 29, 0.04), 0 0 0 1px var(--border-subtle);

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Spacing */
  --container-max: 1200px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Atmospheric Whole-Site Background Oak Watermark (~13% Opacity on Light Linen Canvas) */
.site-bg-oak {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  max-width: 1400px;
  height: 100vh;
  background-image: url('../assets/oak-tree-hero.png');
  background-repeat: no-repeat;
  background-position: center 48%;
  background-size: contain;
  opacity: 0.13;
  pointer-events: none;
  z-index: 0;
  filter: sepia(0.22) saturate(0.95);
  mask-image: radial-gradient(ellipse 80% 75% at 50% 45%, black 35%, transparent 88%);
  -webkit-mask-image: radial-gradient(ellipse 80% 75% at 50% 45%, black 35%, transparent 88%);
}

/* Skip Navigation for Accessibility */
.skip-link {
  position: absolute;
  top: -60px;
  left: 24px;
  background: var(--forest-medium);
  border: 1px solid var(--border-oak);
  color: var(--text-primary);
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
  outline: 3px solid var(--oak-amber);
}

/* Focus Visible Accessibility */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* --- 3. LAYOUT & CONTAINERS --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 72px;
  padding-bottom: 72px;
  position: relative;
  z-index: 1;
}

.section-alt {
  background-color: rgba(239, 236, 228, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 36px;
  max-width: 720px;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--oak-amber);
  margin-bottom: 10px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--oak-amber);
}

.eyebrow.oak {
  color: var(--oak-amber);
}

.eyebrow.oak::before {
  background-color: var(--oak-amber);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 4. NAVIGATION BAR --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 500;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text-primary);
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 8px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--oak-amber);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--oak-amber);
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

.mobile-toggle:hover {
  background: var(--bg-surface-raised);
}

/* --- 5. BUTTONS & UI CONTROLS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 24px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--forest-core);
  color: #F7F5F0;
  border-color: var(--forest-core);
}

.btn-primary:hover {
  background-color: var(--forest-deep);
  border-color: var(--oak-amber);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-raised);
  color: var(--text-primary);
  border-color: var(--oak-amber);
}

.btn-sm {
  padding: 8px 16px;
  min-height: 40px;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
}

/* --- 6. HERO SECTION --- */
.hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 72px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-telemetry {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--status-active);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: 3.15rem;
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--oak-amber);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-copy {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.pillar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pillar-check {
  color: var(--oak-amber);
  font-weight: bold;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-oak-showcase {
  position: relative;
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, rgba(184, 125, 59, 0.08) 0%, rgba(52, 84, 67, 0.04) 40%, rgba(247, 245, 240, 0) 72%);
  padding: 8px 12px;
}

.hero-oak-img {
  width: 100%;
  height: auto;
  max-width: 480px;
  object-fit: contain;
  filter: drop-shadow(0 14px 28px rgba(24, 34, 29, 0.16));
  transition: transform var(--transition-smooth);
}

.hero-oak-img:hover {
  transform: scale(1.02);
}

.hero-tree-wordmark {
  margin-top: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.tree-wordmark-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.tree-wordmark-subtitle {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--oak-amber);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* --- 7. WHAT WE BUILD --- */
.offerings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.offering-lane {
  border-radius: var(--radius-md);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.offering-lane.lane-client {
  background-color: var(--surface-oak-parchment, #F3E9DC);
  border: 1px solid rgba(184, 125, 59, 0.22);
  border-left: 4px solid var(--oak-amber);
}

.offering-lane.lane-products {
  background-color: var(--surface-sage, #EDF1EC);
  border: 1px solid rgba(36, 59, 47, 0.18);
  border-left: 4px solid var(--forest-core);
}

.offering-lane:hover {
  transform: translateY(-2px);
}

.offering-header {
  margin-bottom: 24px;
}

.offering-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.offering-badge.client {
  color: var(--oak-amber-bright);
  background: rgba(184, 125, 59, 0.14);
}

.offering-badge.product {
  color: var(--forest-medium);
  background: rgba(36, 59, 47, 0.10);
}

.offering-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.offering-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.offering-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.offering-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.offering-bullet {
  font-family: var(--font-mono);
  color: var(--forest-core);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.offering-bullet.oak {
  color: var(--oak-amber);
}

/* --- 8. OUR WORK (PORTFOLIO CASEWORK) --- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-casework {
  border-radius: var(--radius-md);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.project-casework:hover {
  transform: translateY(-2px);
}

.casework-client {
  background-color: #F8F3EA;
  border: 1px solid rgba(184, 125, 59, 0.25);
  border-left: 4px solid var(--oak-amber);
}

.casework-product {
  background-color: #EFF3EE;
  border: 1px solid rgba(36, 59, 47, 0.2);
  border-left: 4px solid var(--forest-core);
}

.casework-creative {
  background-color: #F0ECE4;
  border: 1px solid rgba(154, 120, 76, 0.22);
  border-left: 4px solid #9A784C;
}

.casework-research {
  background-color: #EBF0EC;
  border: 1px solid rgba(30, 53, 41, 0.22);
  border-left: 4px solid #1E3529;
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.casework-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.casework-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.status-indicator.live .status-dot {
  background-color: var(--status-active);
}

.status-indicator.dev .status-dot.dev-dot {
  background-color: var(--oak-amber);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.casework-action-wrap {
  margin-top: 14px;
  margin-bottom: 6px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(24, 34, 29, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.project-note {
  background: rgba(255, 255, 255, 0.65);
  border-left: 3px solid var(--border-medium);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 14px;
}

.project-note.oak {
  border-left-color: var(--oak-amber);
}

/* Founding Tester Release Program Box */
.tester-box {
  background: #FFFFFF;
  border: 1px solid rgba(36, 59, 47, 0.2);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-top: 18px;
  margin-bottom: 8px;
}

.tester-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--forest-core);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.tester-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* --- 9. HOW WE WORK (EDITORIAL METHODOLOGY SEQUENCE) --- */
.process-sequence {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin-bottom: 48px;
  position: relative;
  padding-top: 24px;
}

.process-sequence::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 12px;
  right: 12px;
  height: 1px;
  background: var(--border-medium);
  z-index: 0;
}

.process-step-node {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.node-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

.node-header .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--bg-base);
  border: 1px solid var(--border-oak);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--oak-amber);
}

.node-header .step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.process-step-node .step-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Dual Responsibilities Paired Comparison */
.roles-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.roles-panel {
  border-radius: var(--radius-md);
  padding: 32px 28px;
}

.roles-panel.panel-ai {
  background-color: #EDF1EC;
  border: 1px solid rgba(36, 59, 47, 0.18);
  border-top: 4px solid var(--forest-core);
}

.roles-panel.panel-human {
  background-color: #F3E9DC;
  border: 1px solid rgba(184, 125, 59, 0.22);
  border-top: 4px solid var(--oak-amber);
}

.roles-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.roles-card-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.roles-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roles-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.role-icon-svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
}

.role-icon-svg.ai {
  color: var(--forest-core);
}

.role-icon-svg.human {
  color: var(--oak-amber);
}

/* --- 10. ABOUT THE STUDIO --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.principles-block {
  background: #EDF1EC;
  border: 1px solid rgba(36, 59, 47, 0.18);
  border-radius: var(--radius-md);
  padding: 8px 24px;
}

.principle-entry {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.principle-entry:last-child {
  border-bottom: none;
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--oak-amber);
  margin-top: 2px;
  flex-shrink: 0;
}

.principle-content .principle-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.principle-content .principle-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --- 11. CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.contact-lead {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.contact-direct-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}

.contact-email-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-medium);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  margin-bottom: 10px;
}

.contact-email-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--oak-amber);
}

.contact-policy-card {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.contact-policy-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--oak-amber);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.contact-policy-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-required {
  color: var(--oak-amber);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--oak-amber);
  background: #FFFFFF;
}

.form-input:focus-visible, .form-textarea:focus-visible, .form-select:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.form-notice {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 12px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.form-notice strong {
  color: var(--oak-amber);
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: none;
}

.form-status.success {
  display: block;
  background: var(--status-active-dim);
  border: 1px solid var(--status-active);
  color: var(--status-active);
}

.form-status.error {
  display: block;
  background: rgba(220, 53, 69, 0.12);
  border: 1px solid #DC3545;
  color: #C0392B;
}

/* --- 12. FOOTER --- */
.site-footer {
  background: #14201A;
  border-top: 1px solid var(--border-subtle);
  padding-top: 56px;
  padding-bottom: 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand-title {
  margin-bottom: 12px;
  color: #F7F5F0;
}

.footer-brand-tagline {
  margin-top: 4px;
  color: var(--oak-amber);
}

.footer-desc {
  color: #A4B3AA;
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 14px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #F7F5F0;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #C0CDC5;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #E2B78D;
}

.footer-static-label {
  color: #7E9186;
  font-size: 0.875rem;
  opacity: 0.85;
  cursor: default;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(247, 245, 240, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: #8C9C92;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #C0CDC5;
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-size: 0.8125rem;
  min-height: 44px;
  padding: 4px 8px;
}

.back-to-top:hover {
  color: #E2B78D;
}

/* --- 13. RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-oak-showcase {
    max-width: 440px;
  }

  .process-sequence {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .process-sequence::before {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .hero-headline {
    font-size: 2.35rem;
  }

  .hero-oak-showcase {
    max-width: 360px;
  }

  .hero-tagline {
    font-size: 1.15rem;
  }

  .offerings-grid,
  .work-grid,
  .roles-comparison {
    grid-template-columns: 1fr;
  }

  .process-sequence {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-left: 20px;
    border-left: 2px solid var(--border-medium);
    margin-bottom: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  /* Mobile Navigation Drawer (Light Canvas Alignment) */
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(247, 245, 240, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 12px 0;
    width: 100%;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-actions {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .offering-lane, .project-casework, .contact-form-card, .roles-panel {
    padding: 24px 20px;
  }
}

/* --- 14. ACCESSIBILITY / REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}