:root {
  --bg-canvas: #090a0f;
  --bg-elevated: #0e1017;
  --bg-surface: #121318;
  --bg-surface-high: #161926;

  --text-primary: #ffffff;
  --text-surface: #e3e1e9;
  --text-secondary: #a8b0cd;
  --text-muted: #929bb8;

  --accent-primary: #8a5cff;
  --accent-primary-soft: #cfbdff;
  --accent-secondary: #4d38f5;
  --accent-tertiary: #4ee0ff;

  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-glow: rgba(138, 92, 255, 0.45);

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;

  --container-max: 1200px;
  --cursor-x: 50vw;
  --cursor-y: 25vh;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--text-surface);
  font-family: var(--font-body);
  font-size: 16px;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-canvas);
  color: var(--text-surface);
  line-height: 1.6;
  overflow-x: clip;
  position: relative;
}

/* Subtle architectural grid & pointer proximity bloom */
.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: calc(100% / 12) 120px;
  mask-image: radial-gradient(circle 540px at var(--cursor-x) var(--cursor-y), rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.25) 70%);
}

.pointer-halo {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    560px circle at var(--cursor-x) var(--cursor-y),
    rgba(138, 92, 255, 0.11),
    rgba(77, 56, 245, 0.04) 45%,
    transparent 75%
  );
}

.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent-primary);
  color: #090a0f;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border-radius: var(--radius-sm);
}

/* Focus accessibility */
:focus-visible {
  outline: 2px solid var(--accent-tertiary);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 2rem;
  position: relative;
  z-index: 1;
}

/* ===== TOP BAR (3-Zone Contract) ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(9, 10, 15, 0.78);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border-hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 4.5rem;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

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

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  position: relative;
  padding-block: 0.25rem;
  transition: color 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent-primary-soft);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  min-height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    transform 120ms cubic-bezier(0.16, 1, 0.3, 1),
    background-color 180ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 180ms cubic-bezier(0.16, 1, 0.3, 1),
    color 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--text-primary);
  border-color: rgba(207, 189, 255, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.08);
  border-color: rgba(207, 189, 255, 0.65);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-surface);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: rgba(78, 224, 255, 0.1);
  border-color: rgba(78, 224, 255, 0.45);
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.mobile-nav-panel {
  border-top: 1px solid var(--border-hairline);
  background: var(--bg-elevated);
  padding: 1rem 1.25rem 1.25rem;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  color: var(--text-surface);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.mobile-nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* ===== HERO SPLIT ===== */
.hero-section {
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 2.5rem;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 1rem;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-tertiary);
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.35rem, 5.2vw, 4.75rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin: 0 0 1.5rem;
  text-wrap: balance;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 56ch;
  margin: 0 0 2rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* Right Stage: Kinetic Telemetry & Architecture Canvas */
.hero-stage {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.15rem;
  min-height: 410px;
  min-width: 0;
}

.stage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stage-mode-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--bg-surface-high);
  border-radius: var(--radius-sm);
  max-width: 100%;
}

.stage-mode-btn {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.62rem;
  min-height: 36px;
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color 160ms ease, color 160ms ease;
}

.stage-mode-btn:hover {
  color: var(--text-primary);
}

.stage-mode-btn.is-active {
  background: var(--accent-primary);
  color: #090a0f;
  font-weight: 700;
}

.stage-motion-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.75rem;
  min-height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 160ms ease, color 160ms ease;
}

.stage-motion-btn:hover {
  border-color: var(--accent-tertiary);
  color: var(--text-primary);
}

.canvas-frame {
  position: relative;
  flex: 1;
  min-height: 220px;
  border-radius: var(--radius-md);
  background: #090a0f;
  border: 1px solid var(--border-hairline);
  overflow: hidden;
}

.kinetic-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
}

.stage-readout {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-hairline);
}

.stage-readout-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem;
}

.stage-readout-caption {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.stage-readout-metric {
  text-align: right;
  flex-shrink: 0;
}

.stage-readout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.stage-readout-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-tertiary);
  font-weight: 700;
}

/* Full-width 4-Column Proof Strip below hero split */
.metrics-strip {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.metric-cell {
  padding: 1.5rem 1.25rem;
  border-right: 1px solid var(--border-hairline);
}

.metric-cell:last-child {
  border-right: 0;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  margin: 0 0 0.35rem;
}

.metric-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-surface);
  margin: 0 0 0.2rem;
}

.metric-detail {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== EDITORIAL MARQUEE DIVIDER ===== */
.marquee-band {
  overflow: hidden;
  border-bottom: 1px solid var(--border-hairline);
  background: var(--bg-elevated);
  padding-block: 0.9rem;
  position: relative;
  z-index: 1;
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  animation: marquee-scroll 34s linear infinite;
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
}

/* ===== SECTIONS ===== */
.section-block {
  padding-block: 5.5rem;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-primary-soft);
  margin: 0 0 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0;
  text-wrap: balance;
}

.section-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 0;
  max-width: 54ch;
}

/* Filter Controls */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}

.filter-btn {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  min-height: 40px;
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color 160ms ease, color 160ms ease;
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.is-active {
  background: var(--bg-surface-high);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(138, 92, 255, 0.45);
}

.projects-status-line {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  font-variant-numeric: tabular-nums;
}

/* ===== PROJECTS BENTO GRID ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.project-card {
  grid-column: span 6;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition:
    border-color 200ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 200ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card.is-featured {
  grid-column: span 12;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 2rem;
  align-items: center;
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow:
    0 14px 32px -12px rgba(0, 0, 0, 0.75),
    0 0 24px -8px rgba(138, 92, 255, 0.22);
}

.project-visual {
  border-radius: var(--radius-md);
  background: #090a0f;
  border: 1px solid var(--border-hairline);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-visual svg {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 450ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-visual svg {
  transform: scale(1.03);
}

.project-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.85rem;
}

.project-meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.project-summary {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.65;
}

.project-stack-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.75rem;
  margin-top: 0.15rem;
  border-top: 1px solid var(--border-hairline);
}

.project-stack-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.project-tech-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.2;
  color: var(--accent-primary-soft);
  background: var(--bg-surface-high);
  border: 1px solid rgba(207, 189, 255, 0.18);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  white-space: nowrap;
}

.project-stack-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-primary-soft);
  margin: 0.25rem 0 0;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.6rem;
}

.empty-projects {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
}

.empty-projects[hidden] {
  display: none;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: start;
}

.milestones-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-hairline);
}

.milestone-row {
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.milestone-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-tertiary);
}

.milestone-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.milestone-place {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.about-prose {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-prose p {
  margin: 0;
  font-size: 1.03125rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.about-prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== SKILLS & STACK MATRIX ===== */
.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.skill-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition:
    border-color 200ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 200ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-panel:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow:
    0 12px 28px -12px rgba(0, 0, 0, 0.7),
    0 0 20px -8px rgba(138, 92, 255, 0.2);
}

@media (prefers-reduced-motion: reduce) {
  .project-card,
  .skill-panel {
    transition: border-color 180ms ease;
  }

  .project-card:hover,
  .skill-panel:hover {
    transform: none;
  }
}

.skill-panel-title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.skill-panel-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.skill-panel-items {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-primary-soft);
  margin: auto 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-hairline);
  line-height: 1.6;
}

.runtime-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.runtime-value {
  color: var(--accent-tertiary);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 3rem;
  align-items: center;
}

.contact-lead {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1rem 0 0.75rem;
}

.contact-copy {
  color: var(--text-secondary);
  margin: 0 0 1.75rem;
  max-width: 46ch;
}

.contact-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-hairline);
}

.contact-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

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

.contact-channel-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}

.contact-channel-link:hover {
  color: var(--accent-tertiary);
  text-decoration: underline;
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border-hairline);
  padding-block: 2.25rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ===== CASE STUDY MODAL (<dialog>) ===== */
.case-dialog {
  width: min(760px, calc(100vw - 2rem));
  max-height: calc(100vh - 3rem);
  background: var(--bg-elevated);
  color: var(--text-surface);
  border: 1px solid rgba(78, 224, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: auto;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.85);
}

.case-dialog::backdrop {
  background: rgba(9, 10, 15, 0.86);
  backdrop-filter: blur(18px);
}

.dialog-inner {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-dialog .project-visual {
  max-height: 225px;
  aspect-ratio: auto;
}

.case-dialog .project-visual svg {
  height: 225px;
  width: 100%;
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.dialog-close {
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dialog-close:hover {
  border-color: var(--accent-tertiary);
}

.dialog-list {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-split,
  .about-grid,
  .contact-grid,
  .project-card.is-featured {
    grid-template-columns: minmax(0, 1fr);
  }

  .project-card {
    grid-column: span 12;
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-cell:nth-child(2n) {
    border-right: 0;
  }

  .metric-cell:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border-hairline);
  }
}

@media (max-width: 767px) {
  .container {
    padding-inline: 1.25rem;
  }

  .header-inner {
    height: 3.75rem;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .hero-section {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }

  .section-block {
    padding-block: 3.75rem;
  }

  .metrics-strip,
  .skills-grid,
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .metric-cell {
    border-right: 0;
    border-bottom: 1px solid var(--border-hairline);
    padding: 1.15rem 0;
  }

  .metric-cell:last-child {
    border-bottom: 0;
  }

  .inquiry-card {
    padding: 1.25rem;
  }

  .dialog-inner {
    padding: 1.25rem;
  }
}

.hero-split > *,
.projects-grid > *,
.about-grid > *,
.skills-grid > *,
.contact-grid > * {
  min-width: 0;
}