/* ==========================================================================
   Design System & Theme Variables — David Franco Portfolio Aesthetic
   ========================================================================== */
:root {
  --bg-canvas: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;

  --color-black: #0a0b0e;
  --color-dark: #111827;
  --color-gray-800: #1e293b;
  --color-gray-600: #475569;
  --color-gray-400: #94a3b8;
  --color-gray-200: #e2e8f0;
  --color-gray-100: #f1f5f9;

  --accent-mint: #00dc82;
  --accent-mint-light: #e6fbf2;
  --accent-mint-dark: #059669;
  --accent-blue: #3b82f6;

  --border-light: #e2e8f0;
  --border-dark: #111827;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-squircle: 22.37%;

  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", var(--font-sans);
  --font-mono: "JetBrains Mono", monospace;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--color-dark);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

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

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

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

.section-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   Figma Selection Bounding Box Tag
   ========================================================================== */
.figma-node-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  border: 1.5px solid var(--accent-mint);
  background: rgba(0, 220, 130, 0.04);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  user-select: none;
}

.node-square {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent-mint);
  border: 1px solid var(--color-black);
}

.node-tl { top: -3.5px; left: -3.5px; }
.node-tr { top: -3.5px; right: -3.5px; }
.node-bl { bottom: -3.5px; left: -3.5px; }
.node-br { bottom: -3.5px; right: -3.5px; }

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-logo-icon {
  width: 28px;
  height: 28px;
  display: flex;
}

.brand-name {
  color: var(--color-black);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-black);
}

.nav-link.active::before {
  content: "•";
  color: var(--accent-mint-dark);
  position: absolute;
  left: -12px;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.15rem;
  border-radius: 100px;
  background: var(--color-black);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.btn-nav:hover {
  background: #27272a;
  transform: translateY(-1px);
}

.nav-btn-arrow {
  width: 14px;
  height: 14px;
  color: var(--accent-mint);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  background: var(--bg-canvas);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--color-black);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 2.25rem;
}

.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-dark {
  background: var(--color-black);
  color: #ffffff;
  padding: 0.9rem 1.6rem;
}

.btn-dark:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-arrow {
  width: 16px;
  height: 16px;
  color: var(--accent-mint);
}

.btn-secondary-clean {
  background: #ffffff;
  color: var(--color-black);
  border: 1.5px solid var(--border-dark);
  padding: 0.88rem 1.5rem;
}

.btn-secondary-clean:hover {
  background: var(--bg-subtle);
  transform: translateY(-2px);
}

.btn-icon-down {
  width: 16px;
  height: 16px;
}

/* Socials Row */
.hero-socials-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.socials-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-dark);
}

.social-circles {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.social-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border-light);
  background: #ffffff;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-circle svg {
  width: 17px;
  height: 17px;
}

.social-circle:hover {
  border-color: var(--color-black);
  background: var(--color-black);
  color: #ffffff;
  transform: translateY(-2px);
}

.apple-char {
  font-size: 1.1rem;
  margin-top: -2px;
}

/* Hero Right: Photo Art Canvas & Rotating Stamp */
.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Rotating Circular Text Stamp */
.rotating-stamp-wrapper {
  position: absolute;
  top: 40px;
  left: -50px;
  width: 130px;
  height: 130px;
  z-index: 10;
  pointer-events: none;
}

.rotating-stamp-svg {
  width: 100%;
  height: 100%;
  animation: spin-stamp 16s linear infinite;
}

@keyframes spin-stamp {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.stamp-text {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 800;
  fill: var(--color-black);
  letter-spacing: 2px;
}

.stamp-arrow-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stamp-arrow-center svg {
  width: 24px;
  height: 24px;
  color: var(--color-black);
}

/* Photo Canvas & Background Art */
.hero-canvas-art {
  position: relative;
  width: 100%;
  max-width: 360px;
}

.art-shape {
  position: absolute;
  border-radius: 100px;
  z-index: 1;
}

.art-pill-top {
  width: 130px;
  height: 38px;
  background: var(--accent-mint);
  top: -15px;
  left: -25px;
  transform: rotate(-12deg);
}

.art-pill-bottom {
  width: 240px;
  height: 48px;
  background: var(--accent-mint);
  bottom: 25px;
  right: -35px;
  transform: rotate(-8deg);
}

.art-squiggle {
  position: absolute;
  top: -20px;
  left: 20px;
  width: 70px;
  height: 45px;
  z-index: 3;
}

.portrait-card {
  position: relative;
  z-index: 2;
  background: #ffffff;
  border: 3px solid var(--color-black);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 10px 10px 0px var(--color-black);
  aspect-ratio: 4 / 4.8;
}

.portrait-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-smooth);
}

.portrait-card:hover .portrait-photo {
  transform: scale(1.02);
}

/* ==========================================================================
   Marquee Ticker Band (Black Ribbon with Mint Green Top Accent)
   ========================================================================== */
.marquee-strip {
  position: relative;
  background: var(--color-black);
  color: #ffffff;
  overflow: hidden;
  margin: 3.5rem 0 5rem;
}

.marquee-green-accent {
  width: 100%;
  height: 3px;
  background: var(--accent-mint);
}

.marquee-inner {
  padding: 1.35rem 0;
  display: flex;
  overflow: hidden;
  user-select: none;
}

.marquee-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  gap: 2rem;
  animation: scroll-marquee 38s linear infinite;
}

@keyframes scroll-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.marquee-star {
  color: var(--accent-mint);
  font-size: 1.1rem;
}

/* ==========================================================================
   Chronological Timeline Section
   ========================================================================== */
.timeline-section {
  margin-bottom: 7rem;
}

.timeline-header {
  margin-bottom: 3.5rem;
}

.timeline-headline {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-black);
  margin-top: 0.5rem;
}

/* Chronological Timeline Stream */
.timeline-stream {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.timeline-stream::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 20px;
  width: 2px;
  background: var(--border-light);
  z-index: 0;
}

.timeline-card {
  position: relative;
  z-index: 1;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem 1.75rem 4rem;
  transition: all var(--transition-fast);
}

.timeline-card:hover {
  border-color: var(--color-black);
  box-shadow: 5px 5px 0px var(--color-black);
  transform: translateY(-2px);
}

/* Timeline Node Dot */
.timeline-node-marker {
  position: absolute;
  left: 13px;
  top: 2rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 3.5px solid var(--color-black);
  box-shadow: 0 0 0 4px var(--accent-mint-light);
  transition: all var(--transition-fast);
}

.timeline-card:hover .timeline-node-marker {
  border-color: var(--accent-mint-dark);
  background: var(--accent-mint);
}

.timeline-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.timeline-period-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-black);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
}

.timeline-type-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.timeline-type-pill.type-work {
  background: var(--accent-mint-light);
  color: var(--accent-mint-dark);
}

.timeline-type-pill.type-education {
  background: #eff6ff;
  color: #2563eb;
}

.timeline-role-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 0.25rem;
}

.timeline-org-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gray-600);
  margin-bottom: 1rem;
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.timeline-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--color-gray-600);
  line-height: 1.55;
}

.bullet-icon {
  width: 16px;
  height: 16px;
  color: var(--accent-mint-dark);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.timeline-link {
  color: var(--color-black);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--accent-mint);
  transition: all var(--transition-fast);
}

.timeline-link:hover {
  color: var(--accent-mint-dark);
  text-decoration-color: var(--accent-mint-dark);
}

/* ==========================================================================
   Latest Projects Section (5 Apps Showcase)
   ========================================================================== */
.projects-section {
  margin-bottom: 8rem;
}

.projects-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 2rem;
}

.projects-headline {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.projects-sub {
  font-size: 1.05rem;
  color: var(--color-gray-600);
}

.btn-header-contact {
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* Single App Project Card */
.project-card {
  background: #ffffff;
  border: 2px solid var(--color-black);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 8px 8px 0px var(--color-black);
  display: grid;
  grid-template-columns: 340px 1fr;
  padding: 2.25rem 2.25rem 2.25rem 2.5rem;
  gap: 2.25rem;
}

.project-left {
  display: flex;
  flex-direction: column;
}

.project-meta-header {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  margin-bottom: 1.25rem;
}

.project-app-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-squircle);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

.project-badges-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.category-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  color: var(--color-gray-800);
}

.live-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--accent-mint-light);
  color: var(--accent-mint-dark);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

.project-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-black);
  line-height: 1.2;
}

.project-tagline {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.92rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 2rem;
}

.feature-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.88rem;
  color: var(--color-gray-800);
  line-height: 1.45;
}

.feature-check-icon {
  width: 15px;
  height: 15px;
  color: var(--accent-mint-dark);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: auto;
  flex-wrap: wrap;
}

.btn-appstore-link {
  background: var(--color-black);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: all var(--transition-fast);
}

.btn-appstore-link:hover {
  background: #27272a;
  transform: translateY(-2px);
}

.btn-appstore-link svg {
  width: 17px;
  height: 17px;
}

.btn-site-link {
  background: #ffffff;
  color: var(--color-black);
  border: 1.5px solid var(--border-dark);
  padding: 0.72rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.btn-site-link:hover {
  background: var(--bg-subtle);
  transform: translateY(-2px);
}

/* Project Right: Screenshot Gallery */
.project-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
  justify-content: center;
}

/* Scrollable Screenshot Track */
.project-screenshots-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 0.25rem 1.25rem 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gray-400) transparent;
  cursor: grab;
  user-select: none;
}

.project-screenshots-track.dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  scroll-behavior: auto;
}

.project-screenshots-track::-webkit-scrollbar {
  height: 6px;
}

.project-screenshots-track::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: 10px;
}

.screenshot-tile {
  position: relative;
  flex: 0 0 auto;
  width: 210px;
  aspect-ratio: 9 / 19.5;
  border-radius: 18px;
  overflow: hidden;
  background: #f8fafc;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  scroll-snap-align: start;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.screenshot-tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
  border-color: rgba(0, 0, 0, 0.15);
}

.tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.tile-hover-cue {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.screenshot-tile:hover .tile-hover-cue {
  opacity: 1;
}

.inspect-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.8rem;
  background: #ffffff;
  color: var(--color-black);
  border: 1px solid var(--color-black);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
}

.inspect-pill svg {
  width: 13px;
  height: 13px;
}

/* ==========================================================================
   Dark CTA & Contact Section (Matching reference bottom right)
   ========================================================================== */
.cta-dark-section {
  background: var(--color-black);
  color: #ffffff;
  padding: 5.5rem 2rem 2.5rem;
}

.cta-dark-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding-bottom: 4.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.cta-big-heading {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
}

.cta-lead-text {
  font-size: 1.1rem;
  color: var(--color-gray-400);
  line-height: 1.7;
  max-width: 480px;
}

.cta-right {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
}

/* Figma Email Box on Dark Canvas */
.figma-contact-box {
  position: relative;
  border: 2px solid var(--accent-mint);
  padding: 1rem 1.75rem;
  background: rgba(0, 220, 130, 0.06);
}

.figma-email-text {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

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

.btn-mint-cta {
  background: var(--accent-mint);
  color: var(--color-black);
  padding: 0.9rem 1.6rem;
  font-weight: 800;
}

.btn-mint-cta:hover {
  background: #10b981;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 220, 130, 0.3);
}

.btn-outline-light {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  padding: 0.88rem 1.5rem;
}

.btn-outline-light:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.btn-icon {
  width: 17px;
  height: 17px;
}

.cta-footer-bottom {
  max-width: 1240px;
  margin: 2.5rem auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--color-gray-400);
}

.cta-back-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-gray-400);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.cta-back-top:hover {
  color: #ffffff;
}

.cta-back-top svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Fullscreen Lightbox Modal
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 11, 14, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.lightbox-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 800px;
  max-height: 94vh;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.lightbox-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lightbox-app-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-gray-400);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

.lightbox-btn-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-btn-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

.lightbox-btn-close svg {
  width: 18px;
  height: 18px;
}

.lightbox-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 0.85rem;
}

.lightbox-nav-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.08);
}

.lightbox-nav-btn svg {
  width: 20px;
  height: 20px;
}

.lightbox-image-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  max-height: 74vh;
}

.lightbox-img {
  max-height: 74vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transition: opacity 0.2s ease;
}

.lightbox-footer-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.lightbox-footer-hint kbd {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.14);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: #ffffff;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-black);
  border: 2px solid var(--accent-mint);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  z-index: 1100;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-mint);
}

/* ==========================================================================
   YS Liu Studio — Main Landing Page Components
   ========================================================================== */
.brand-sub-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray-600);
  margin-left: 0.15rem;
}

.studio-hero {
  padding: 5rem 0 3.5rem;
}

.studio-hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3.5rem;
}

.studio-display-title {
  font-size: 3.5rem;
  line-height: 1.08;
  max-width: 680px;
}

.studio-lead {
  max-width: 600px;
}

.btn-arrow-dark {
  width: 16px;
  height: 16px;
  color: var(--color-black);
}

/* Studio App Dock Card */
.dock-card {
  background: var(--bg-subtle);
  border: 2.5px solid var(--color-black);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: 10px 10px 0px var(--color-black);
}

.dock-card-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-gray-600);
  margin-bottom: 1.5rem;
  text-align: center;
}

.dock-icons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  justify-items: center;
}

.dock-app-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  transition: transform var(--transition-fast);
}

.dock-app-item:hover {
  transform: translateY(-4px);
}

.dock-icon-img {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-squircle);
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  background: #ffffff;
}

.dock-icon-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-black);
}

/* Studio Pillars */
.studio-pillars-section {
  margin-bottom: 6.5rem;
}

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

.pillar-card {
  background: #ffffff;
  border: 2px solid var(--color-black);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 6px 6px 0px var(--color-black);
  transition: transform var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-3px);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-mint-dark);
  background: var(--accent-mint-light);
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 0.65rem;
}

.pillar-desc {
  font-size: 0.94rem;
  color: var(--color-gray-600);
  line-height: 1.65;
}

/* Meet the Founder Banner */
.founder-banner-section {
  margin-bottom: 6.5rem;
}

.founder-banner-card {
  background: var(--bg-subtle);
  border: 2px solid var(--color-black);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.75rem;
  box-shadow: 8px 8px 0px var(--color-black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.founder-banner-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.founder-avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2.5px solid var(--color-black);
  flex-shrink: 0;
}

.founder-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-mint-dark);
  letter-spacing: 0.05em;
}

.founder-heading {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--color-black);
  margin: 0.15rem 0 0.35rem;
}

.founder-bio-short {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  max-width: 540px;
}

.footer-links-inline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }

  .studio-hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .founder-banner-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
  }

  .project-card {
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    padding: 2rem;
  }

  .cta-big-heading {
    font-size: 2.4rem;
  }
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .hero-right {
    order: -1;
  }

  .rotating-stamp-wrapper {
    top: 10px;
    left: -20px;
    width: 105px;
    height: 105px;
  }

  .project-card {
    grid-template-columns: 1fr;
    padding: 1.75rem;
  }

  .cta-dark-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.3rem;
  }

  .timeline-headline {
    font-size: 2rem;
  }

  .timeline-stream::before {
    left: 15px;
  }

  .timeline-card {
    padding: 1.5rem 1.25rem 1.5rem 3rem;
  }

  .timeline-node-marker {
    left: 8px;
  }

  .hero-actions-row {
    flex-direction: column;
    align-items: stretch;
  }

  .figma-email-text {
    font-size: 1.05rem;
  }
}