/* ==========================================================================
   SOURAV CHAKRABORTY — Portfolio Stylesheet
   
   ARCHITECTURE:
   1. CSS Custom Properties (change these to re-theme the entire site)
   2. Reset & Base
   3. Typography
   4. Layout — Container & Section
   5. Hero Section
   6. About Section
   7. Bento Grid (shared by Projects & Skills)
   8. Projects Section
   9. Skills Section
  10. Now Section
  11. Contact / Footer
  12. Scroll Animations
  13. Responsive Breakpoints
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. CUSTOM PROPERTIES
   
   Edit these variables to change the entire color palette and typography.
   The accent color is electric blue — swap it for terminal green (#22c55e)
   or amber (#f59e0b) if you prefer a different vibe.
   -------------------------------------------------------------------------- */
:root {
  /* — Typography — */
  --font-heading:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* — Sizing — */
  --container-max: 1120px;
  --section-gap:   6rem;
  --border-radius: 12px;

  /* — Transitions — */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --transition:    0.3s var(--ease-out);
}

/* --------------------------------------------------------------------------
   THEME TRANSITIONS
   -------------------------------------------------------------------------- */
body, .nav, .bento-card, .github-stat-card, .nav-toggle span {
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), fill var(--transition), stroke var(--transition);
}

/* --------------------------------------------------------------------------
   DARK THEME (Default)
   -------------------------------------------------------------------------- */
:root, [data-theme="dark"] {
  /* — Backgrounds — */
  --bg-primary:    #0a0a0a;          /* near-black canvas                   */
  --bg-surface:    #111111;          /* card / surface background            */
  --bg-surface-hover: #1a1a1a;      /* card hover state                     */
  --bg-elevated:   #161616;          /* elevated surface (nav, footer)       */

  /* — Accent — */
  --accent:        #2563eb;          /* electric blue — the ONE accent color */
  --accent-muted:  #1d4ed8;          /* darker shade for borders / subtle    */
  --accent-glow:   rgba(37, 99, 235, 0.15); /* glow / tint overlays         */

  /* — Text — */
  --text-primary:  #e5e5e5;          /* main body text                      */
  --text-secondary:#a3a3a3;          /* muted / supporting text              */
  --text-tertiary: #525252;          /* very muted (labels, dividers)        */

  /* — Borders — */
  --border:        #1e1e1e;          /* default border                      */
  --border-hover:  #2a2a2a;         /* border on hover                      */

  /* — Specifics — */
  --nav-bg:        rgba(10, 10, 10, 0.8);
}

/* --------------------------------------------------------------------------
   LIGHT THEME
   -------------------------------------------------------------------------- */
[data-theme="light"] {
  /* — Backgrounds — */
  --bg-primary:    #fafafa;          /* off-white canvas                   */
  --bg-surface:    #ffffff;          /* card / surface background            */
  --bg-surface-hover: #f4f4f5;      /* card hover state                     */
  --bg-elevated:   #ffffff;          /* elevated surface (nav, footer)       */

  /* — Accent (same as dark for brand consistency) — */
  --accent:        #2563eb;          
  --accent-muted:  #1d4ed8;          
  --accent-glow:   rgba(37, 99, 235, 0.15); 

  /* — Text — */
  --text-primary:  #171717;          /* very dark gray for main text         */
  --text-secondary:#525252;          /* mid-gray for secondary text          */
  --text-tertiary: #a3a3a3;          /* light gray for labels                */

  /* — Borders — */
  --border:        #e5e5e5;          /* light border                         */
  --border-hover:  #d4d4d4;         /* darker light border                  */

  /* — Specifics — */
  --nav-bg:        rgba(255, 255, 255, 0.8);
}


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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #60a5fa; }

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

::selection {
  background: var(--accent);
  color: #fff;
}


/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Section titles — the small label above each section */
.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* The "//  " prefix that makes labels look like code comments */
.section-label::before {
  content: '//';
  color: var(--text-tertiary);
}


/* --------------------------------------------------------------------------
   4. LAYOUT — Container & Section
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--section-gap) 0;
}

/* Thin horizontal rule between sections */
.section-divider {
  border: none;
  height: 1px;
  background: var(--border);
  max-width: var(--container-max);
  margin: 0 auto;
}


/* --------------------------------------------------------------------------
   5. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

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

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 100;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.theme-toggle:hover {
  color: var(--text-primary);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* Hamburger → X animation */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;          /* offset for fixed nav */
}

.hero-content {
  max-width: 720px;
}

.hero-name {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* The typing effect container */
.hero-tagline {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0;
  min-height: 2rem;
}

/* Blinking cursor after the typed text */
.hero-tagline .cursor {
  display: inline-block;
  width: 2px;
  height: 1.3em;
  background: var(--accent);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* Hero link row (GitHub, LinkedIn, email, resume) */
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-links a,
.hero-links .btn {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  text-decoration: none;
}

.hero-links a:hover,
.hero-links .btn:hover {
  border-color: var(--accent-muted);
  color: var(--text-primary);
  background: var(--accent-glow);
}

/* Primary CTA (resume download) */
.hero-links .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.hero-links .btn-primary:hover {
  background: var(--accent-muted);
  border-color: var(--accent-muted);
}

/* Status indicator dot — "open to opportunities" */
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 1.5rem;
  font-family: var(--font-heading);
}


/* --------------------------------------------------------------------------
   7. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.85;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 500;
}


/* --------------------------------------------------------------------------
   8. BENTO GRID — shared layout for Projects & Skills
   
   A "bento grid" is a mosaic/dashboard-style layout where cards have
   varying column/row spans. We use CSS Grid with auto-fill and explicit
   span rules.
   -------------------------------------------------------------------------- */
.bento-grid {
  display: grid;
  gap: 1rem;
  /* Default: single column on mobile, expands via media queries */
  grid-template-columns: 1fr;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-hover);
  transform: translateY(-2px);
}

/* Subtle accent gradient on top edge of card */
.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.bento-card:hover::before { opacity: 1; }


/* --------------------------------------------------------------------------
   9. PROJECTS SECTION
   -------------------------------------------------------------------------- */
.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.project-date {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.project-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-stack span {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-links a {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition);
}
.project-links a:hover { color: var(--accent); }

/* Arrow icon after links */
.project-links a::after {
  content: '↗';
  font-size: 0.85em;
  transition: transform var(--transition);
}
.project-links a:hover::after {
  transform: translate(2px, -2px);
}

/* Key metric badge */
.project-metric {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: #22c55e;
  margin-bottom: 1rem;
}


/* --------------------------------------------------------------------------
   10. SKILLS SECTION — terminal / config-file aesthetic
   
   Renders skills like a YAML/TOML config file in a code block.
   -------------------------------------------------------------------------- */
.skills-terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

/* Terminal title bar */
.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot:nth-child(1) { background: #ef4444; }
.terminal-dot:nth-child(2) { background: #f59e0b; }
.terminal-dot:nth-child(3) { background: #22c55e; }

.terminal-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-left: 0.5rem;
}

/* Terminal body — the "code" content */
.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  line-height: 1.9;
  overflow-x: auto;
}

.config-key {
  color: var(--accent);
}

.config-value {
  color: var(--text-secondary);
}

.config-comment {
  color: var(--text-tertiary);
  font-style: italic;
}

.config-section {
  margin-bottom: 1rem;
}

.config-section:last-child {
  margin-bottom: 0;
}

/* Bento skills grid — alternative to terminal for individual skill cards */
.skills-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tags span {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.skill-tags span:hover {
  border-color: var(--accent-muted);
  color: var(--accent);
  background: var(--accent-glow);
}


/* --------------------------------------------------------------------------
   11. NOW SECTION
   -------------------------------------------------------------------------- */
.now-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  max-width: 680px;
  position: relative;
}

.now-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.now-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}


/* --------------------------------------------------------------------------
   12. EXPERIENCE SECTION
   -------------------------------------------------------------------------- */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 680px;
}

.experience-item {
  padding-left: 1.5rem;
  border-left: 2px solid var(--border);
  transition: border-color var(--transition);
}

.experience-item:hover {
  border-left-color: var(--accent);
}

.experience-role {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.experience-org {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.experience-date {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.experience-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}


/* --------------------------------------------------------------------------
   13. CONTACT / FOOTER
   -------------------------------------------------------------------------- */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-links a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
}

.contact-links a:hover {
  border-color: var(--accent-muted);
  color: var(--text-primary);
  background: var(--accent-glow);
}

.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-text {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
}


/* --------------------------------------------------------------------------
   14. SCROLL ANIMATIONS
   
   HOW IT WORKS:
   Elements start invisible and shifted down. When the Intersection Observer
   (in script.js) detects them entering the viewport, it adds the
   "in-view" class, which triggers the CSS transition to full opacity
   and original position. This is far lighter than a JS animation library.
   -------------------------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay for child elements — used in bento grids */
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }


/* --------------------------------------------------------------------------
   15. MAGNETIC HOVER EFFECT — 3D tilt on project cards

   The JS calculates cursor position relative to card center and applies
   rotateX/rotateY transforms via inline style. The CSS below provides
   the perspective container and smooth reset transition on mouseleave.
   will-change: transform tells the browser to promote this to its own
   compositor layer for smooth GPU-accelerated animation.
   -------------------------------------------------------------------------- */
.project-card {
  transform-style: preserve-3d;
  will-change: transform;
  /* Smooth return to neutral when the cursor leaves */
  transition:
    transform 0.4s var(--ease-out),
    border-color var(--transition),
    background var(--transition);
}

/* While hovering, JS sets the inline transform — this removes the
   transition so the tilt tracks the cursor in real time without lag */
.project-card.is-tilting {
  transition: border-color var(--transition), background var(--transition);
}


/* --------------------------------------------------------------------------
   16. COPY-TO-CLIPBOARD TOAST

   A small "Copied!" badge that appears inline next to the email link.
   It fades in, holds, then fades out after ~1.5s via the .show class
   which is toggled by JS.
   -------------------------------------------------------------------------- */
.email-copy {
  position: relative;
  cursor: pointer;
}

.copy-toast {
  position: absolute;
  top: -2rem;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

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


/* --------------------------------------------------------------------------
   17. GITHUB STATS — grid layout for the embeddable stat images

   Two stat cards sit side by side on desktop, stack on mobile.
   Transparent background so the card blends with the section.
   -------------------------------------------------------------------------- */
.github-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.github-stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

[data-theme="light"] .github-stat-card {
  background: #111111; /* Keep dark in light mode */
  border-color: #1e1e1e;
}

.github-stat-card:hover {
  border-color: var(--border-hover);
}

/* Make the stat images responsive — fill the card without overflow */
.github-stat-card img {
  width: 100%;
  height: auto;
  max-width: 495px;
  /* If the image fails to load, collapse gracefully */
  min-height: 0;
}


/* --------------------------------------------------------------------------
   18. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */

/* Tablet — 640px+ */
@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .github-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop — 768px+ */
@media (min-width: 768px) {
  :root {
    --section-gap: 7rem;
  }

  .hero-name {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }
}

/* Large desktop — 1024px+ */
@media (min-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile nav — below 640px */
@media (max-width: 639px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 280px;
    height: 100vh;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition);
  }

  .nav-links.open {
    right: 0;
  }

  /* Overlay behind mobile menu */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .nav-overlay.visible {
    display: block;
  }

  .hero-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --------------------------------------------------------------------------
   VIEW TRANSITIONS (Theme Toggle Ripple)

   The JS always animates ::view-transition-new(root) expanding as a circle
   from the click point. We disable the default cross-fade animation and
   ensure the new snapshot sits on top of the old one.
   -------------------------------------------------------------------------- */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-new(root) {
  z-index: 2;
}
::view-transition-old(root) {
  z-index: 1;
}