/* ==========================================================================
   oLmZ — PERSONAL PORTFOLIO DESIGN SYSTEM
   Visual Identity: Deep Carbon / Solid Surfaces / Off-White / Crimson Signal
   Strict Rules: Zero Glassmorphism | No Generic AI Gradients | High Legibility
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Carbon & Deep Black */
  --bg-canvas: #080808;
  --bg-surface-0: #0c0c0f;
  --bg-surface-1: #121216;
  --bg-surface-2: #18181f;
  --bg-surface-3: #20202a;
  --bg-surface-elevated: #15151c;

  /* Typography Colors - Off-White & Technical Grays */
  --text-primary: #f2efe9;
  --text-secondary: #9c9ba6;
  --text-muted: #666570;
  --text-disabled: #44434c;
  --text-inverse: #080808;

  /* Accent - Crimson Signal (Strictly restrained) */
  --accent-crimson: #d92338;
  --accent-crimson-hover: #f03248;
  --accent-crimson-active: #b8192c;
  --accent-crimson-subtle: #220f12;
  --accent-crimson-border: #4d141b;

  /* Border Hierarchy (1px solid, crisp) */
  --border-subtle: #1c1c24;
  --border-medium: #282833;
  --border-strong: #383846;
  --border-accent: #6b1722;

  /* Typography Stack */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Spacing Scale (4px base rhythm) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Solid Borders & Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows - Minimal, Solid, Zero Glow Flooding */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.8);

  /* Layout Max Width */
  --max-width: 1280px;
  --max-width-narrow: 880px;
  --nav-height: 72px;
}

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

html {
  font-family: var(--font-body);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

/* Selection */
::selection {
  background-color: var(--accent-crimson);
  color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-canvas);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-3);
  border-radius: var(--radius-xs);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-crimson);
}

/* Links & Typography Reset */
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

/* Focus States (Accessible, High Contrast, Crisp) */
:focus-visible {
  outline: 2px solid var(--accent-crimson);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   03. TYPOGRAPHY HIERARCHY
   -------------------------------------------------------------------------- */
.font-display {
  font-family: var(--font-display);
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

.font-mono {
  font-family: var(--font-mono);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.display-hero {
  font-size: clamp(3.2rem, 7.5vw, 6.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.display-subhero {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.section-heading {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.project-title {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.body-lead {
  font-size: clamp(1.1rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-secondary);
}

.body-regular {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.caption-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.code-inline {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-surface-2);
  color: var(--text-primary);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   04. SOLID SURFACES, CARDS & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* Strictly Solid Surfaces (Zero Glassmorphism) */
.surface-card {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.surface-card:hover {
  border-color: var(--border-medium);
}

.surface-card-interactive:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   05. BUTTONS & INTERACTIVE ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background-color: var(--accent-crimson);
  color: #ffffff;
  border: 1px solid var(--accent-crimson);
}

.btn-primary:hover {
  background-color: var(--accent-crimson-hover);
  border-color: var(--accent-crimson-hover);
  color: #ffffff;
}

.btn-primary:active {
  background-color: var(--accent-crimson-active);
  transform: translateY(1px);
}

.btn-secondary {
  background-color: var(--bg-surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-3);
  border-color: var(--border-strong);
  color: #ffffff;
}

.btn-secondary:active {
  transform: translateY(1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background-color: var(--bg-surface-1);
}

.btn-studio {
  background-color: var(--bg-surface-0);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 10px 18px;
  font-size: 0.8125rem;
}

.btn-studio:hover {
  border-color: var(--accent-crimson);
  color: #ffffff;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   06. BADGES, STATUS CHIPS & METADATA TAGS
   -------------------------------------------------------------------------- */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.badge-status.active {
  background-color: var(--accent-crimson-subtle);
  border-color: var(--accent-crimson-border);
  color: var(--accent-crimson-hover);
}

.badge-status.active .indicator-dot {
  background-color: var(--accent-crimson);
  box-shadow: 0 0 6px var(--accent-crimson);
}

.badge-status.online {
  background-color: #0d1e15;
  border-color: #174229;
  color: #38c775;
}

.badge-status.online .indicator-dot {
  background-color: #2ebd6c;
}

.indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-muted);
  display: inline-block;
}

.tag-tech {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   07. NAVIGATION (Solid, Opaque Surface)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: height 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.site-header.scrolled {
  height: 60px;
  background-color: #060608;
  border-bottom-color: var(--border-medium);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--accent-crimson);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.brand-badge:hover .brand-avatar-img {
  transform: scale(1.08);
  border-color: var(--accent-crimson-hover);
}

.brand-mark {
  width: 28px;
  height: 28px;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-crimson);
  font-size: 0.85rem;
  font-weight: 900;
}

.brand-badge:hover .brand-mark {
  border-color: var(--accent-crimson);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-item {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  transition: color 0.15s ease;
}

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

.nav-item.active {
  color: var(--text-primary);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-crimson);
}

.nav-cta-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mobile Hamburger */
.mobile-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--bg-surface-0);
  border-left: 1px solid var(--border-strong);
  z-index: 1100;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: right 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.drawer-links a {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
}

.drawer-links a:hover,
.drawer-links a.active {
  color: var(--accent-crimson);
}

.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1050;
}

.drawer-backdrop.active {
  display: block;
}

/* --------------------------------------------------------------------------
   08. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-20);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-pretitle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero-title-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hero-title-name {
  color: var(--text-primary);
}

.hero-statement {
  color: var(--text-primary);
}

.hero-statement span {
  color: var(--accent-crimson);
}

.hero-description {
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
}

/* Abstract Hero Visual (Code, Viewport Gizmos, Terminal, Mesh) */
.hero-visual-card {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-md);
  position: relative;
}

.visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.visual-tabs {
  display: flex;
  gap: var(--space-3);
}

.visual-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  cursor: pointer;
}

.visual-tab.active {
  color: var(--text-primary);
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
}

.visual-canvas-container {
  height: 280px;
  width: 100%;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.canvas-viewport {
  width: 100%;
  height: 100%;
  display: block;
}

.viewport-overlay-coords {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  pointer-events: none;
}

.viewport-overlay-gizmo {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  pointer-events: none;
}

.visual-terminal-footer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.terminal-prompt {
  color: var(--accent-crimson);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   09. CURRENTLY BUILDING BANNER
   -------------------------------------------------------------------------- */
.currently-building-banner {
  background-color: var(--bg-surface-0);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) 0;
}

.building-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.building-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.building-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.building-project-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.building-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   10. ABOUT SECTION ("WHO IS oLmZ?")
   -------------------------------------------------------------------------- */
.about-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-16);
  align-items: flex-start;
}

.about-header-col {
  position: sticky;
  top: calc(var(--nav-height) + 32px);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-logo-card {
  margin-top: var(--space-4);
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.about-logo-img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-crimson);
  flex-shrink: 0;
}

.about-logo-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.about-text-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about-statement-box {
  background-color: var(--bg-surface-1);
  border-left: 3px solid var(--accent-crimson);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-6) var(--space-8);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.about-quote {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
}

.about-body-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.about-body-text p + p {
  margin-top: var(--space-4);
}

/* Disciplines 4-Grid */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.discipline-item {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  padding: var(--space-6);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 0.15s ease;
}

.discipline-item:hover {
  border-color: var(--border-medium);
}

.discipline-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.discipline-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  color: var(--accent-crimson);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.discipline-title {
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.discipline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.discipline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   11. PROJECTS SECTION (Editorial Layout Rhythm)
   -------------------------------------------------------------------------- */
.projects-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.editorial-projects-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

/* Feature 01: OmLx Atlas (Grand Horizontal Layout) */
.project-card-grand {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  align-items: stretch;
  transition: border-color 0.2s ease;
}

.project-card-grand:hover {
  border-color: var(--border-strong);
}

.grand-card-content {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-6);
}

.project-meta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.project-index-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-crimson);
  font-weight: 700;
}

.project-body-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.grand-card-media {
  background-color: #060608;
  border-left: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.grand-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.project-card-grand:hover .grand-card-media img {
  transform: scale(1.02);
}

/* Feature 02: PIVOT (Personal OS Command Center Layout) */
.project-card-pivot {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transition: border-color 0.2s ease;
}

.project-card-pivot:hover {
  border-color: var(--border-strong);
}

.pivot-hero-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: flex-start;
}

.pivot-loop-diagram {
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pivot-step {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pivot-step-num {
  color: var(--accent-crimson);
}

.pivot-arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.pivot-modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.pivot-module-item {
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 2-Column Split Projects (Job Hunt & Tung's Nightmare) */
.projects-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.project-card-column {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
}

.project-card-column:hover {
  border-color: var(--border-strong);
}

.column-card-media {
  height: 260px;
  background-color: #060608;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
}

.column-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card-column:hover .column-card-media img {
  transform: scale(1.03);
}

.column-card-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: var(--space-4);
}

/* Feature Full-Width: T7osmos */
.project-card-server {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  transition: border-color 0.2s ease;
}

.project-card-server:hover {
  border-color: var(--border-strong);
}

.server-info-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 650px;
}

/* Supporting 2-Column: 3B Smart Solutions & HoodShift */
.supporting-projects-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
}

/* --------------------------------------------------------------------------
   12. BEHIND THE BUILDS (Authentic Collage)
   -------------------------------------------------------------------------- */
.behind-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.behind-collage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.collage-item {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.collage-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.collage-media-wrapper {
  height: 220px;
  background-color: #060608;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.collage-media-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collage-info {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.collage-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent-crimson);
  text-transform: uppercase;
  font-weight: 600;
}

.collage-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.collage-caption {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   13. SKILLS & TECHNOLOGY (No Percentage Bars)
   -------------------------------------------------------------------------- */
.skills-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.skills-disciplines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.skill-category-card {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-cat-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.skill-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.skill-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.skill-item-row:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

/* Interactive Tech Typography Showcase */
.tech-typography-showcase {
  margin-top: var(--space-16);
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  padding: var(--space-8);
  border-radius: var(--radius-sm);
}

.tech-words-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
  align-items: center;
  justify-content: center;
  padding-top: var(--space-4);
}

.tech-word {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-muted);
  cursor: default;
  transition: color 0.15s ease, transform 0.15s ease;
}

.tech-word:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.tech-word.accent-hint:hover {
  color: var(--accent-crimson);
}

/* --------------------------------------------------------------------------
   14. THE JOURNEY (Vertical Timeline)
   -------------------------------------------------------------------------- */
.journey-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.timeline-container {
  margin-top: var(--space-16);
  position: relative;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background-color: var(--border-medium);
}

.timeline-milestones {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.timeline-item {
  position: relative;
  padding-left: 56px;
}

.timeline-node {
  position: absolute;
  left: 13px;
  top: 4px;
  width: 16px;
  height: 16px;
  background-color: var(--bg-canvas);
  border: 3px solid var(--border-strong);
  border-radius: 50%;
  transition: border-color 0.2s ease;
}

.timeline-item.active .timeline-node {
  border-color: var(--accent-crimson);
  background-color: var(--accent-crimson);
}

.timeline-content {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.timeline-era {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-crimson);
  font-weight: 600;
  text-transform: uppercase;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.timeline-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   15. HOW I BUILD (01 Start -> 05 Ship)
   -------------------------------------------------------------------------- */
.how-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.how-steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.how-step-card {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-crimson);
}

.step-name {
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.how-quote-row {
  margin-top: var(--space-12);
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* --------------------------------------------------------------------------
   16. PERSONAL PHILOSOPHY
   -------------------------------------------------------------------------- */
.philosophy-section {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.philosophy-box {
  max-width: 820px;
  margin: 0 auto;
}

.philosophy-text {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2.25rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.philosophy-author {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-crimson);
  margin-top: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   17. CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-section {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.contact-channel-item {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.contact-channel-item:hover {
  border-color: var(--border-medium);
  background-color: var(--bg-surface-2);
}

.channel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.channel-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Quick Inquiry Form */
.inquiry-form {
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-textarea {
  background-color: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.15s ease;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-crimson);
  outline: none;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   18. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-surface-0);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   19. DEDICATED CASE STUDY MODAL / VIEW (Zero Glassmorphism)
   -------------------------------------------------------------------------- */
.case-study-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.85);
  overflow-y: auto;
  padding: var(--space-10) var(--space-4);
}

.case-study-modal.open {
  display: block;
}

.modal-container {
  max-width: 960px;
  margin: 0 auto;
  background-color: var(--bg-surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.modal-header-bar {
  background-color: var(--bg-surface-0);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 6px 12px;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
}

.modal-close-btn:hover {
  border-color: var(--accent-crimson);
  color: #ffffff;
}

.modal-body {
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.case-study-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
}

.case-study-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.case-study-section h3 {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--accent-crimson);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-study-media-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.gallery-img-wrapper {
  background-color: #060608;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.gallery-img-wrapper img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   20. EASTER EGG (O-L-M-Z BUILDER TERMINAL HUD)
   -------------------------------------------------------------------------- */
.easter-egg-hud {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background-color: rgba(6, 6, 8, 0.94);
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.easter-egg-hud.active {
  display: flex;
}

.terminal-box {
  width: 100%;
  max-width: 680px;
  background-color: #0a0a0d;
  border: 1px solid var(--accent-crimson);
  border-radius: var(--radius-sm);
  box-shadow: 0 0 30px rgba(217, 35, 56, 0.2);
  overflow: hidden;
}

.terminal-top-bar {
  background-color: #121217;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-body {
  padding: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #cfcdd6;
}

.term-highlight {
  color: var(--accent-crimson);
  font-weight: 700;
}

.term-success {
  color: #38c775;
}

/* --------------------------------------------------------------------------
   21. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .about-header-col {
    position: static;
  }
  .project-card-grand {
    grid-template-columns: 1fr;
  }
  .grand-card-media {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
    min-height: 300px;
  }
  .pivot-hero-row {
    grid-template-columns: 1fr;
  }
  .pivot-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skills-disciplines-grid {
    grid-template-columns: 1fr 1fr;
  }
  .how-steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }
  .nav-links, .nav-cta-wrapper .btn-studio {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .projects-two-col,
  .supporting-projects-row,
  .behind-collage-grid,
  .skills-disciplines-grid,
  .disciplines-grid,
  .how-steps-grid {
    grid-template-columns: 1fr;
  }
  .grand-card-content,
  .project-card-pivot {
    padding: var(--space-6);
  }
  .case-study-media-gallery {
    grid-template-columns: 1fr;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}