/* ==========================================================================
   USHANT GIRI — APPLE STUDIO & KEYNOTE DESIGN SYSTEM
   Refined typography, fluid glassmorphism, hairline highlights, zero clunky boxes
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS (DARK & LIGHT THEMES)
   -------------------------------------------------------------------------- */
:root {
  /* Dark Appearance (Default) */
  --bg-canvas: #07090e;
  --surface-studio: rgba(14, 17, 24, 0.78);
  --surface-overlay: rgba(14, 18, 26, 0.88);
  --surface-card: rgba(255, 255, 255, 0.035);
  --surface-card-hover: rgba(255, 255, 255, 0.065);
  --surface-pill: rgba(255, 255, 255, 0.06);
  --surface-pill-hover: rgba(255, 255, 255, 0.1);

  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.22);
  --border-specular: rgba(255, 255, 255, 0.18);
  --border-focus: rgba(41, 151, 255, 0.5);

  --text-primary: #f5f5f7;
  --text-secondary: rgba(245, 245, 247, 0.72);
  --text-tertiary: rgba(245, 245, 247, 0.45);
  --text-quaternary: rgba(245, 245, 247, 0.25);

  --accent-primary: #2997ff;
  --accent-primary-hover: #147ce5;
  --accent-glow: rgba(41, 151, 255, 0.28);
  --accent-live: #30d158;
  --accent-live-glow: rgba(48, 209, 88, 0.35);

  --shadow-studio: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--border-hairline);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-hairline);
  --shadow-elevation: 0 30px 90px rgba(0, 0, 0, 0.7);

  /* Typography Stack */
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", -apple-system, Roboto, sans-serif;
  --font-primary: var(--font-system);
  --font-mono: "JetBrains Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Type Scale */
  --fs-xs: 0.75rem;
  --fs-sm: 0.84rem;
  --fs-base: 0.94rem;
  --fs-md: 1.05rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.6rem;
  --fs-2xl: 2.1rem;
  --fs-3xl: 2.6rem;

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Motion Timing (Critically Damped Apple Springs) */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-quick: 0.2s;
  --duration-medium: 0.32s;
}

[data-theme="light"] {
  --bg-canvas: #f2f2f6;
  --surface-studio: rgba(255, 255, 255, 0.88);
  --surface-overlay: rgba(255, 255, 255, 0.94);
  --surface-card: rgba(0, 0, 0, 0.025);
  --surface-card-hover: rgba(0, 0, 0, 0.05);
  --surface-pill: rgba(0, 0, 0, 0.05);
  --surface-pill-hover: rgba(0, 0, 0, 0.08);

  --border-hairline: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.12);
  --border-strong: rgba(0, 0, 0, 0.2);
  --border-specular: rgba(0, 0, 0, 0.18);
  --border-focus: rgba(0, 113, 227, 0.5);

  --text-primary: #1d1d1f;
  --text-secondary: rgba(29, 29, 31, 0.72);
  --text-tertiary: rgba(29, 29, 31, 0.5);
  --text-quaternary: rgba(29, 29, 31, 0.28);

  --accent-primary: #0071e3;
  --accent-primary-hover: #0077ed;
  --accent-glow: rgba(0, 113, 227, 0.2);
  --accent-live: #28cd41;
  --accent-live-glow: rgba(40, 205, 65, 0.25);

  --shadow-studio: 0 20px 50px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--border-hairline);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.04), 0 0 0 1px var(--border-hairline);
  --shadow-elevation: 0 30px 80px rgba(0, 0, 0, 0.15);
}

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

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

body {
  min-height: 100vh;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--duration-medium) ease, color var(--duration-medium) ease;
}

/* Subtle Ambient Gradient Halo */
.ambient-glow-top {
  position: fixed;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 100vw);
  height: 400px;
  background: radial-gradient(ellipse, rgba(41, 151, 255, 0.12) 0%, rgba(41, 151, 255, 0) 70%);
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   3. APP LAYOUT ARCHITECTURE (SIDEBAR + MAIN CANVAS)
   -------------------------------------------------------------------------- */
.app-layout {
  position: relative;
  z-index: 1;
  max-width: 1260px;
  width: 100%;
  margin: 36px auto;
  padding: 0 24px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
  min-height: calc(100vh - 72px);
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   4. STUDIO SIDEBAR (CLEAN, NO CLUNKY BOXES)
   -------------------------------------------------------------------------- */
.studio-sidebar {
  width: 290px;
  flex-shrink: 0;
  position: sticky;
  top: 36px;
  background: var(--surface-studio);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-studio);
  padding: 28px 22px;
  transition: all var(--duration-medium) var(--ease-spring);
}

.sidebar-identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.avatar-container {
  position: relative;
  width: 112px;
  height: 112px;
  margin-bottom: 1.15rem;
}

.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
  background: var(--surface-card);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-hairline);
}

.avatar-status-badge {
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 18px;
  height: 18px;
  background: var(--accent-live);
  border: 3px solid var(--bg-canvas);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-live-glow);
}

.identity-name {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.identity-role {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.65rem;
}

.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.25);
  color: var(--accent-live);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-live);
  box-shadow: 0 0 8px var(--accent-live);
  animation: pulseBeacon 2s infinite ease-in-out;
}

@keyframes pulseBeacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.mobile-drawer-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  cursor: pointer;
  margin-top: 0.75rem;
}

.divider-hairline {
  height: 1px;
  background: var(--border-hairline);
  margin: 1.25rem 0;
}

/* Contact Rows (Clean list items without thick box frames) */
.contact-rows-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  transition: background var(--duration-quick) ease, transform var(--duration-quick) ease;
  cursor: pointer;
}

.contact-row:hover {
  background: var(--surface-card-hover);
}

.row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--surface-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.row-meta {
  flex: 1;
  min-width: 0;
}

.row-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  font-weight: 600;
  line-height: 1.1;
}

.row-value {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
}

.row-action-pill {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--surface-pill);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: all var(--duration-quick) ease;
}

.contact-row:hover .row-action-pill {
  color: var(--accent-primary);
  background: var(--surface-pill-hover);
}

.row-badge-subtle {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

/* Social Channels Floating Dock */
.social-dock {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.social-dock-item {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--surface-pill);
  transition: all var(--duration-quick) var(--ease-spring);
  text-decoration: none;
}

.social-dock-item:hover {
  color: var(--text-primary);
  background: var(--surface-pill-hover);
  transform: translateY(-2px);
}

/* Appearance Card */
.appearance-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.85rem;
  background: var(--surface-card);
  border-radius: var(--radius-md);
  margin-top: 1rem;
}

.appearance-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.appearance-switch-track {
  width: 44px;
  height: 24px;
  background: var(--surface-pill-hover);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-hairline);
  position: relative;
  cursor: pointer;
  outline: none;
  transition: background var(--duration-quick) ease;
}

.appearance-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: transform var(--duration-medium) var(--ease-spring);
}

[data-theme="light"] .appearance-switch-thumb {
  transform: translateX(20px);
  background: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   5. MAIN STUDIO CANVAS & FLOATING SEGMENTED NAVBAR
   -------------------------------------------------------------------------- */
.studio-canvas {
  flex: 1;
  min-width: 0;
  background: var(--surface-studio);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-studio);
  padding: 34px 38px 48px;
  position: relative;
}

/* Floating Segmented Navbar (Apple Capsule) */
.navbar-wrapper {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 2rem;
}

.studio-navbar {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.nav-segmented-track {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  padding: 4px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
}

.nav-sliding-pill {
  position: absolute;
  top: 4px;
  left: 4px;
  height: calc(100% - 8px);
  background: var(--text-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  transition: all var(--duration-medium) var(--ease-spring);
  pointer-events: none;
  z-index: 0;
}

.nav-tab {
  position: relative;
  z-index: 1;
  background: transparent;
  border: none;
  font-family: var(--font-system);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.45rem 1.05rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  outline: none;
  transition: color var(--duration-quick) ease;
}

.nav-tab.active {
  color: var(--bg-canvas);
}

.nav-tab:hover:not(.active) {
  color: var(--text-primary);
}

.nav-spotlight-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--duration-quick) var(--ease-spring);
}

.nav-spotlight-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-subtle);
  background: var(--surface-card-hover);
}

.spotlight-key-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--surface-pill);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   6. TAB PANELS & EDITORIAL FLOW
   -------------------------------------------------------------------------- */
.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(8px);
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: panelSlideFade var(--duration-medium) var(--ease-spring) forwards;
}

@keyframes panelSlideFade {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

.panel-header {
  margin-bottom: 2rem;
}

.header-pre-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.4rem;
}

.panel-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.18;
}

.panel-subtitle {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-top: 0.35rem;
  max-width: 720px;
}

/* Editorial Hero Intro */
.editorial-hero {
  margin-bottom: 2rem;
}

.editorial-lead {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.editorial-body {
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Keynote Specs Ribbon (Metrics That Matter) */
.keynote-specs-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 1.4rem 0;
  margin: 2rem 0 2.5rem;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.spec-cell {
  padding: 0 1.25rem;
  border-right: 1px solid var(--border-hairline);
}

.spec-cell:first-child {
  padding-left: 0;
}

.spec-cell:last-child {
  border-right: none;
  padding-right: 0;
}

.spec-number {
  display: block;
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  font-family: var(--font-system);
}

.spec-description {
  display: block;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-top: 0.2rem;
  letter-spacing: -0.01em;
}

/* Editorial Foundations (No Nested Boxes) */
.foundations-flow {
  margin: 2.5rem 0;
}

.flow-heading {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.flow-sublead {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.pillars-editorial-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1.5rem;
}

.pillar-column {
  display: flex;
  flex-direction: column;
}

.pillar-header-flex {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
}

.pillar-step-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.pillar-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.pillar-body {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Section Groups */
.section-group {
  margin-top: 3.25rem;
}

.section-group-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
}

.btn-text-link {
  background: transparent;
  border: none;
  color: var(--accent-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: opacity var(--duration-quick) ease;
}

.btn-text-link:hover {
  opacity: 0.8;
}

/* --------------------------------------------------------------------------
   7. FLAGSHIP SHOWCASE CARDS (PREMIUM WIDESCREEN)
   -------------------------------------------------------------------------- */
.flagship-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.flagship-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  align-items: center;
  transition: border-color var(--duration-medium) ease, transform var(--duration-medium) var(--ease-spring);
}

.flagship-feature-card:hover {
  border-color: var(--border-subtle);
  transform: translateY(-2px);
}

.feature-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-spring);
}

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

.live-canvas-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.feature-card-content {
  display: flex;
  flex-direction: column;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.tag-pill {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: var(--surface-pill);
  color: var(--text-tertiary);
}

.tag-pill.accent {
  background: rgba(41, 151, 255, 0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(41, 151, 255, 0.25);
}

.feature-card-title {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.feature-card-desc {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
}

.feature-card-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Apple Buttons */
.btn-apple-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--text-primary);
  color: var(--bg-canvas);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-quick) var(--ease-spring);
}

.btn-apple-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-apple-frosted {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--surface-pill);
  color: var(--text-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-quick) var(--ease-spring);
}

.btn-apple-frosted:hover {
  background: var(--surface-pill-hover);
  border-color: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   8. SKILLS SPECTRUM (NO RIGID CARDS)
   -------------------------------------------------------------------------- */
.skills-spectrum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.spectrum-category {
  display: flex;
  flex-direction: column;
}

.spectrum-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 0.65rem;
}

.chips-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skill-frosted-chip {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--duration-quick) ease;
}

.skill-frosted-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-subtle);
  background: var(--surface-pill-hover);
}

/* --------------------------------------------------------------------------
   9. RESUME TIMELINE STREAM & COMPETENCIES
   -------------------------------------------------------------------------- */
.timeline-stream {
  margin-top: 1.25rem;
}

.stream-node {
  display: flex;
  gap: 1.25rem;
}

.node-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-glow);
  margin-top: 4px;
}

.node-content {
  flex: 1;
  padding-bottom: 2rem;
}

.node-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.node-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--text-primary);
}

.node-badge {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  color: var(--accent-primary);
}

.node-subtitle {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  margin: 0.2rem 0 0.5rem;
  font-weight: 500;
}

.node-body {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-secondary);
}

.competencies-grid-clean {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.competency-card {
  padding: 1.25rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-quick) ease;
}

.competency-card:hover {
  border-color: var(--border-subtle);
}

.competency-icon-ring {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--surface-pill);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.competency-name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.competency-desc {
  font-size: var(--fs-xs);
  line-height: 1.55;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   10. PORTFOLIO GRID & FILTER BAR
   -------------------------------------------------------------------------- */
.portfolio-filter-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-quick) ease;
}

.filter-pill.active {
  background: var(--text-primary);
  color: var(--bg-canvas);
  border-color: var(--text-primary);
}

.filter-pill:hover:not(.active) {
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.project-showcase-tile {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--duration-medium) var(--ease-spring);
}

.project-showcase-tile:hover {
  border-color: var(--border-subtle);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.tile-media-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  background: rgba(0, 0, 0, 0.4);
  cursor: pointer;
  overflow: hidden;
}

.tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-spring);
}

.tile-media-wrapper:hover .tile-img {
  transform: scale(1.03);
}

.tile-category-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.tile-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tile-title {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.45rem;
}

.tile-summary {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}

.tile-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* --------------------------------------------------------------------------
   11. INTERACTIVE LAB: TERMINAL & DSA VISUALIZER
   -------------------------------------------------------------------------- */
.lab-split-view {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.75rem;
  margin-top: 1rem;
}

.terminal-studio-frame {
  background: #090b10;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}

.terminal-titlebar {
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.traffic-dots {
  display: flex;
  gap: 6px;
}

.traffic-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.traffic-dot.red { background: #ff5f56; }
.traffic-dot.yellow { background: #ffbd2e; }
.traffic-dot.green { background: #27c93f; }

.terminal-titlebar-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
}

.terminal-canvas {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.65;
  color: #c9d1d9;
  min-height: 320px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.terminal-accent-val {
  color: #58a6ff;
  font-weight: 600;
}

.terminal-input-flex {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.terminal-user-prompt {
  color: #3fb950;
  font-weight: 600;
  flex-shrink: 0;
}

.terminal-field {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #ffffff;
  outline: none;
}

.terminal-action-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
}

.cli-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cli-pill:hover {
  background: rgba(88, 166, 255, 0.15);
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}

/* DSA Visualizer */
.dsa-studio-panel {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dsa-memory-tape {
  display: flex;
  gap: 6px;
  margin: 1.25rem 0;
  overflow-x: auto;
  padding-bottom: 6px;
}

.dsa-cell {
  flex: 1;
  min-width: 38px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  transition: all var(--duration-medium) var(--ease-spring);
}

.dsa-cell-val {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.dsa-cell-idx {
  font-size: 0.65rem;
  color: var(--text-tertiary);
}

.dsa-cell.active-mid {
  background: rgba(41, 151, 255, 0.2);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.dsa-cell.eliminated {
  opacity: 0.25;
  filter: grayscale(1);
}

.dsa-cell.found-match {
  background: rgba(48, 209, 88, 0.25);
  border-color: var(--accent-live);
  transform: scale(1.06);
  box-shadow: 0 4px 16px var(--accent-live-glow);
}

.form-select-clean {
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  font-family: var(--font-system);
  font-size: var(--fs-xs);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  outline: none;
}

.dsa-status-callout {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface-pill);
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-primary);
}

/* --------------------------------------------------------------------------
   12. CONTACT TAB & COLLABORATION
   -------------------------------------------------------------------------- */
.contact-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.25rem;
  margin-top: 1rem;
}

.contact-card-channel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: all var(--duration-quick) ease;
}

.contact-card-channel:hover {
  background: var(--surface-card-hover);
  border-color: var(--border-subtle);
}

.channel-val {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

.map-embed-frame {
  margin-top: 1.25rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-hairline);
}

.apple-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-text-field {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-system);
  font-size: var(--fs-sm);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-quick) ease, box-shadow var(--duration-quick) ease;
}

.form-text-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-feedback-box {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  line-height: 1.45;
  transition: all var(--duration-quick) ease;
}

.spin-icon {
  animation: spinRotate 0.9s linear infinite;
  display: inline-block;
}

@keyframes spinRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   13. SPOTLIGHT COMMAND PALETTE (CMD + K)
   -------------------------------------------------------------------------- */
.spotlight-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-quick) ease;
}

.spotlight-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.spotlight-dialog {
  width: 100%;
  max-width: 620px;
  background: var(--surface-studio);
  border: 1px solid var(--border-specular);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevation);
  overflow: hidden;
  transform: translateY(-16px) scale(0.98);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.spotlight-backdrop.active .spotlight-dialog {
  transform: translateY(0) scale(1);
}

.spotlight-search-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
  gap: 0.85rem;
}

.spotlight-search-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.spotlight-input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-system);
  font-size: var(--fs-base);
  color: var(--text-primary);
  outline: none;
}

.spotlight-results-wrapper {
  max-height: 340px;
  overflow-y: auto;
  padding: 0.6rem;
}

.spotlight-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--duration-quick) ease;
}

.spotlight-item:hover, .spotlight-item.selected {
  background: var(--surface-card-hover);
}

.spotlight-item-text {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.spotlight-item-category {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.spotlight-footer {
  padding: 0.75rem 1.25rem;
  background: var(--surface-card);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.spotlight-hints {
  display: flex;
  gap: 0.85rem;
}

.kbd-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   14. APPLE FLUID MODAL SHEET
   -------------------------------------------------------------------------- */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-quick) ease;
}

.sheet-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.sheet-modal {
  width: 100%;
  max-width: 680px;
  background: var(--surface-studio);
  border: 1px solid var(--border-specular);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevation);
  padding: 28px;
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.sheet-backdrop.active .sheet-modal {
  transform: translateY(0) scale(1);
}

/* Terminal Studio Modal Backdrop */
.terminal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-quick) ease;
}

.terminal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.terminal-modal {
  width: 100%;
  max-width: 720px;
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.terminal-backdrop.active .terminal-modal {
  transform: translateY(0) scale(1);
}

.terminal-modal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.15rem;
  background: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sheet-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-quick) ease;
}

.sheet-close-btn:hover {
  color: var(--text-primary);
  background: var(--surface-pill-hover);
}

.sheet-image-wrapper {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  margin-bottom: 1.25rem;
}

.sheet-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Discovery CTA Banner Card */
.discovery-cta-card {
  padding: 1.5rem 1.75rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.cta-text-group {
  flex: 1 1 260px;
  min-width: 0;
}

.cta-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.cta-subtext {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}

.cta-btn {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE DESIGN (TABLETS & MOBILE)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .app-layout {
    flex-direction: column;
    align-items: stretch;
    margin: 20px auto;
    padding: 0 16px;
    gap: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .studio-sidebar {
    width: 100%;
    max-width: 100%;
    position: static;
    box-sizing: border-box;
  }

  .studio-canvas {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
  }

  .mobile-drawer-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }

  .sidebar-expandable {
    display: none;
  }

  .sidebar-expandable.open {
    display: block;
    animation: panelSlideFade var(--duration-medium) var(--ease-spring);
  }

  .keynote-specs-ribbon {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .spec-cell {
    border-right: none;
    padding: 0;
  }

  .pillars-editorial-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .flagship-feature-card {
    grid-template-columns: 1fr;
  }

  .lab-split-view {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .app-layout {
    margin: 10px auto 24px;
    padding: 0 10px;
    gap: 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .studio-sidebar {
    padding: 18px 14px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .avatar-container {
    width: 88px;
    height: 88px;
    margin-bottom: 0.75rem;
  }

  .avatar-photo {
    border-radius: 20px;
  }

  .identity-name {
    font-size: 1.2rem;
  }

  .identity-role {
    font-size: 0.8rem;
  }

  .availability-pill {
    font-size: 0.7rem;
    padding: 0.25rem 0.65rem;
  }

  .studio-canvas {
    padding: 20px 14px 32px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
    overflow: hidden;
  }

  .navbar-wrapper {
    justify-content: center;
    margin-bottom: 1.4rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .studio-navbar {
    width: 100%;
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    box-sizing: border-box;
  }

  .nav-segmented-track {
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 46px);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 3px;
    border-radius: var(--radius-full);
    box-sizing: border-box;
  }

  .nav-segmented-track::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    padding: 0.4rem 0.75rem;
    font-size: 0.76rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .nav-spotlight-pill {
    padding: 0.4rem 0.65rem;
    flex-shrink: 0;
  }

  .panel-header {
    margin-bottom: 1.35rem;
  }

  .panel-title {
    font-size: 1.45rem;
    line-height: 1.22;
    letter-spacing: -0.025em;
  }

  .panel-subtitle {
    font-size: 0.82rem;
    margin-top: 0.25rem;
  }

  .editorial-lead {
    font-size: 0.94rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
  }

  .editorial-body {
    font-size: 0.82rem;
    line-height: 1.6;
  }

  .keynote-specs-ribbon {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem 1rem;
    padding: 1rem 0;
    margin: 1.35rem 0 1.75rem;
  }

  .spec-cell {
    padding: 0;
  }

  .spec-number {
    font-size: 1.05rem;
  }

  .spec-description {
    font-size: 0.7rem;
  }

  .flow-heading {
    font-size: 1.1rem;
  }

  .pillars-editorial-row {
    gap: 1.25rem;
    margin-top: 1rem;
  }

  .pillar-title {
    font-size: 0.88rem;
  }

  .pillar-body {
    font-size: 0.8rem;
    line-height: 1.55;
  }

  .skills-spectrum-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .skill-frosted-chip {
    font-size: 0.75rem;
    padding: 0.3rem 0.65rem;
  }

  .discovery-cta-card {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .cta-text-group {
    flex: none;
    width: 100%;
  }

  .cta-btn {
    width: 100%;
    justify-content: center;
  }

  .portfolio-filter-row {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    margin-bottom: 1.25rem;
  }

  .portfolio-filter-row::-webkit-scrollbar {
    display: none;
  }

  .filter-pill {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.75rem;
    padding: 0.35rem 0.85rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .project-showcase-tile {
    border-radius: var(--radius-md);
  }

  .tile-content {
    padding: 1rem;
  }

  .tile-title {
    font-size: 0.98rem;
  }

  .tile-summary {
    font-size: 0.8rem;
    line-height: 1.55;
  }

  .tile-actions {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .btn-apple-primary,
  .btn-apple-frosted {
    font-size: 0.76rem;
    padding: 0.45rem 0.95rem;
  }

  .competencies-grid-clean {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .competency-card {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .terminal-studio-frame {
    border-radius: var(--radius-md);
  }

  .terminal-canvas {
    padding: 1rem 0.85rem;
    font-size: 0.74rem;
    min-height: 250px;
  }

  .dsa-studio-panel {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .dsa-cell {
    min-width: 32px;
    height: 48px;
  }

  .dsa-cell-val {
    font-size: 0.78rem;
  }

  .contact-card-channel {
    padding: 0.75rem 0.85rem;
  }

  .channel-val {
    font-size: 0.82rem;
  }

  .form-text-field {
    padding: 0.65rem 0.85rem;
    font-size: 0.85rem;
  }

  .spotlight-backdrop {
    padding: 6vh 12px 0;
  }

  .spotlight-dialog {
    border-radius: var(--radius-lg);
  }

  .spotlight-search-header {
    padding: 0.85rem 1rem;
  }

  .spotlight-input {
    font-size: 0.86rem;
  }

  .spotlight-footer {
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
    padding: 0.65rem 1rem;
  }

  .sheet-backdrop {
    padding: 12px;
  }

  .sheet-modal {
    padding: 20px 14px;
    border-radius: var(--radius-lg);
    max-height: 92vh;
    overflow-y: auto;
  }
}

@media (max-width: 380px) {
  .keynote-specs-ribbon {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .panel-title {
    font-size: 1.35rem;
  }
}

/* ==========================================================================
   WHATSAPP FLOATING TRIGGER & OFFLINE CLIENT CONCIERGE BOT
   ========================================================================== */
.wa-concierge-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 990;
  font-family: var(--font-primary);
}

.wa-trigger-btn {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 2px 6px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  cursor: pointer;
  transition: transform var(--duration-quick) var(--ease-spring), box-shadow var(--duration-quick) ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.wa-trigger-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45), 0 4px 10px rgba(0, 0, 0, 0.25);
}

.wa-trigger-btn:active {
  transform: scale(0.96);
}

.wa-trigger-glow {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.4) 0%, transparent 70%);
  z-index: -1;
  opacity: 0.8;
  animation: waPulse 3s infinite;
}

@keyframes waPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.18); opacity: 0.15; }
}

.wa-status-beacon {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 13px;
  height: 13px;
}

.beacon-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #30d158;
  opacity: 0.75;
  animation: beaconPing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.beacon-dot {
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: #30d158;
  border: 1.5px solid #000;
}

@keyframes beaconPing {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.wa-badge-pill {
  position: absolute;
  top: -4px;
  left: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: #ff3b30;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #0a0d14;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.wa-badge-pill.hidden {
  display: none;
}

/* Chat Sheet Modal */
.wa-chat-sheet {
  position: absolute;
  bottom: 74px;
  right: 0;
  width: 380px;
  max-height: 520px;
  display: flex;
  flex-direction: column;
  background: var(--surface-card);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.94);
  pointer-events: none;
  transition: opacity var(--duration-medium) ease, transform var(--duration-medium) var(--ease-spring);
  z-index: 1000;
}

.wa-chat-sheet.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Sheet Header */
.wa-sheet-header {
  padding: 0.9rem 1.1rem;
  background: var(--surface-overlay);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wa-user-avatar-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.wa-user-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.wa-avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #30d158;
  border: 2px solid var(--surface-overlay);
}

.wa-header-meta {
  flex: 1;
  min-width: 0;
}

.wa-header-title-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.wa-user-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.wa-status-text {
  font-size: 0.74rem;
  color: var(--text-tertiary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wa-header-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.wa-action-icon-btn,
.wa-close-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-quick) ease;
}

.wa-action-icon-btn:hover {
  background: rgba(37, 211, 102, 0.15);
  color: #30d158;
  border-color: rgba(37, 211, 102, 0.35);
}

.wa-close-btn:hover {
  background: var(--surface-pill-hover);
  color: var(--text-primary);
}

/* Sheet Message Body */
.wa-sheet-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 360px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

.wa-timestamp-divider {
  display: flex;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.wa-timestamp-divider span {
  font-size: 0.7rem;
  color: var(--text-quaternary);
  background: var(--surface-pill);
  padding: 3px 9px;
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
}

.wa-msg-bubble {
  max-width: 86%;
  padding: 0.65rem 0.85rem;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.84rem;
  line-height: 1.45;
  animation: msgPop 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes msgPop {
  0% { opacity: 0; transform: translateY(6px) scale(0.97); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.wa-msg-bubble.incoming {
  background: var(--surface-overlay);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}

.wa-msg-bubble.outgoing {
  background: rgba(37, 211, 102, 0.16);
  border: 1px solid rgba(37, 211, 102, 0.35);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}

.wa-msg-bubble p {
  margin: 0;
}

.wa-msg-meta {
  font-size: 0.68rem;
  color: var(--text-quaternary);
  align-self: flex-end;
}

/* Quick Response Action Chips */
.wa-quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.35rem;
}

.wa-chip-btn {
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 6px 11px;
  border-radius: 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all var(--duration-quick) ease;
  font-family: inherit;
  user-select: none;
}

.wa-chip-btn:hover {
  background: var(--surface-pill-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.wa-chip-btn.wa-chip-accent {
  background: rgba(37, 211, 102, 0.14);
  border-color: rgba(37, 211, 102, 0.35);
  color: #30d158;
  font-weight: 500;
}

.wa-chip-btn.wa-chip-accent:hover {
  background: rgba(37, 211, 102, 0.22);
}

.wa-dispatch-btn {
  margin-top: 0.45rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 6px 12px;
  background: #25D366;
  color: #000000;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
  transition: transform var(--duration-quick) ease;
}

.wa-dispatch-btn:hover {
  transform: scale(1.03);
  color: #000000;
}

/* Sheet Composer Footer */
.wa-sheet-footer {
  padding: 0.75rem 0.9rem;
  background: var(--surface-overlay);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.wa-composer-input {
  flex: 1;
  background: var(--surface-pill);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  font-size: 0.84rem;
  padding: 8px 12px;
  border-radius: 18px;
  outline: none;
  font-family: inherit;
  transition: border-color var(--duration-quick) ease;
}

.wa-composer-input:focus {
  border-color: rgba(37, 211, 102, 0.5);
}

.wa-send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #25D366;
  border: none;
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--duration-quick) var(--ease-spring);
}

.wa-send-btn:hover {
  transform: scale(1.08);
}

.wa-send-btn:active {
  transform: scale(0.92);
}

/* Mobile Responsiveness for WhatsApp Widget */
@media (max-width: 640px) {
  .wa-concierge-container {
    bottom: 20px;
    right: 18px;
  }

  .wa-trigger-btn {
    width: 52px;
    height: 52px;
  }

  .wa-icon-svg {
    width: 25px;
    height: 25px;
  }

  .wa-chat-sheet {
    right: 0;
    bottom: 68px;
    width: calc(100vw - 36px);
    max-width: 360px;
    max-height: calc(100dvh - 100px);
  }
}

@media (max-width: 380px) {
  .wa-chat-sheet {
    width: calc(100vw - 24px);
    right: -4px;
    max-width: 335px;
  }
}