/* ==========================================================================
   GLOBAL STYLES — Udet Jasso Portfolio
   Dark gothic-romantic artist portfolio with contemporary gallery feel
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. GOOGLE FONTS IMPORT
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Metal+Mania&display=swap');

/* --------------------------------------------------------------------------
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   -------------------------------------------------------------------------- */
:root {
  /* Color palette */
  --color-background: #1A1423;
  --color-navigation: #000000;
  --color-text: #D8A7B1;
  --color-accent-primary: #372549;
  --color-accent-secondary: #372549;
  --color-white: #FFFFFF;
  --color-overlay: rgba(0, 0, 0, 0.72);
  --color-panel: rgba(26, 20, 35, 0.84);
  --color-pink-glow: rgba(216, 167, 177, 0.65);

  /* Derived colors */
  --color-text-muted: rgba(216, 167, 177, 0.7);
  --color-border: var(--color-accent-primary);
  --color-focus-ring: var(--color-pink-glow);

  /* Typography */
  --font-heading: 'Metal Mania', cursive;
  --font-body: 'EB Garamond', serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-section: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --nav-height: 72px;
  --border-radius: 6px;
  --border-radius-lg: 12px;

  /* Transitions */
  --transition-speed: 300ms;
  --transition-ease: ease;
  --transition-fast: 150ms ease;
  --transition-slow: 500ms ease;

  /* Glow effects */
  --glow-pink: 0 0 12px var(--color-pink-glow);
  --glow-pink-strong: 0 0 20px var(--color-pink-glow), 0 0 40px rgba(216, 167, 177, 0.3);
  --glow-text-pink: 0 0 8px var(--color-pink-glow);
}

/* --------------------------------------------------------------------------
   3. CSS RESET / NORMALIZE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Ccircle cx='8' cy='8' r='4' fill='%23D8A7B1' opacity='0.8'/%3E%3C/svg%3E") 8 8, auto;
}

/* Custom scrollbar — accent purple track, pink thumb */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-accent-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #c48a98;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  line-height: 1.2;
}

p {
  overflow-wrap: break-word;
}

/* --------------------------------------------------------------------------
   4. BODY STYLING
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text);
  background-color: var(--color-background);
}

/* --------------------------------------------------------------------------
    5. SCREEN READER ONLY UTILITY
    -------------------------------------------------------------------------- */
.sr-only,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   6. SKIP LINK
   Visually hidden until focused via keyboard navigation
   -------------------------------------------------------------------------- */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-navigation);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-accent-primary);
  border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  transition: top var(--transition-speed) var(--transition-ease);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   7. FLOATING BUBBLE BACKGROUND ANIMATION
   Two variants:
   - .bubble-background with static .bubble children (collections pages)
   - .bubbles-container for JS-generated bubbles (root pages)
   -------------------------------------------------------------------------- */

/* Static bubbles (collections pages: hardcoded .bubble divs) */
.bubble-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Keyframe: rise from starting position to above viewport */
@keyframes floatBubble {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  100% {
    transform: translateY(-120vh) translateX(40px) scale(1.1);
  }
}

.bubble-background .bubble {
  position: absolute;
  border-radius: 50%;
  /* Vibrant pink — hsl(340, 55%, 72%) */
  background: radial-gradient(
    circle at 30% 30%,
    hsla(340, 55%, 72%, 0.22),
    hsla(340, 55%, 72%, 0.08)
  );
  border: 1px solid hsla(340, 55%, 72%, 0.10);
  animation: floatBubble linear infinite;
}

/* Individual bubble sizes — all start below viewport,
   staggered negative delays so they flow in from the bottom */
.bubble-background .bubble:nth-child(1) {
  width: 80px;
  height: 80px;
  left: 10%;
  bottom: -80px;
  animation-duration: 22s;
  animation-delay: -2s;
}

.bubble-background .bubble:nth-child(2) {
  width: 120px;
  height: 120px;
  left: 25%;
  bottom: -120px;
  animation-duration: 28s;
  animation-delay: -8s;
}

.bubble-background .bubble:nth-child(3) {
  width: 60px;
  height: 60px;
  left: 45%;
  bottom: -60px;
  animation-duration: 18s;
  animation-delay: -14s;
}

.bubble-background .bubble:nth-child(4) {
  width: 100px;
  height: 100px;
  left: 65%;
  bottom: -100px;
  animation-duration: 25s;
  animation-delay: -5s;
}

.bubble-background .bubble:nth-child(5) {
  width: 140px;
  height: 140px;
  left: 80%;
  bottom: -140px;
  animation-duration: 32s;
  animation-delay: -12s;
}

.bubble-background .bubble:nth-child(6) {
  width: 50px;
  height: 50px;
  left: 35%;
  bottom: -50px;
  animation-duration: 20s;
  animation-delay: -18s;
}

.bubble-background .bubble:nth-child(7) {
  width: 90px;
  height: 90px;
  left: 55%;
  bottom: -90px;
  animation-duration: 26s;
  animation-delay: -14s;
}

.bubble-background .bubble:nth-child(8) {
  width: 70px;
  height: 70px;
  left: 90%;
  bottom: -70px;
  animation-duration: 24s;
  animation-delay: -1s;
}

.bubble-background .bubble:nth-child(9) {
  width: 55px;
  height: 55px;
  left: 15%;
  bottom: -55px;
  animation-duration: 21s;
  animation-delay: -12s;
}

.bubble-background .bubble:nth-child(10) {
  width: 95px;
  height: 95px;
  left: 72%;
  bottom: -95px;
  animation-duration: 29s;
  animation-delay: -9s;
}

/* JS-generated bubbles container (root pages: index, bio, cv, contact) */
.bubbles-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   8. STICKY NAVIGATION
   -------------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--space-lg);
  background-color: var(--color-navigation);
}

/* Wordmark / site title (anchor link inside nav) */
.nav-wordmark {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  padding-left: var(--space-md);
  transition: text-shadow var(--transition-speed) var(--transition-ease);
}

.nav-wordmark:hover,
.wordmark:hover {
  text-shadow: var(--glow-text-pink);
}

/* Wordmark used on collections pages */
.wordmark {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  padding-left: var(--space-md);
  transition: text-shadow var(--transition-speed) var(--transition-ease);
}

/* Desktop navigation links list — horizontal row */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  position: relative;
  display: inline-block;
  border-radius: 4px;
  transition:
    text-shadow var(--transition-speed) var(--transition-ease),
    box-shadow var(--transition-speed) var(--transition-ease),
    transform var(--transition-speed) var(--transition-ease);
}

/* Hover glow and lift effect — same as .btn hover */
.nav-links a:hover {
  text-shadow: var(--glow-text-pink);
  box-shadow: var(--glow-pink);
  transform: translateY(-2px);
}

/* Active page indicator — pink underline */
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  box-shadow: var(--glow-pink);
}

/* --------------------------------------------------------------------------
   9. MOBILE HAMBURGER BUTTON
   Three bars that animate to an X when nav is open.
   Hidden on desktop, shown on mobile via media query.
   Button selector: button.nav-toggle.mobile-menu-toggle
   Bar elements: span.hamburger-line
   X animation triggered by body.nav-open
   -------------------------------------------------------------------------- */
.nav-toggle,
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle .hamburger-line,
.hamburger-btn .hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition:
    transform var(--transition-speed) var(--transition-ease),
    opacity var(--transition-speed) var(--transition-ease);
  transform-origin: center;
}

/* Animated X when body has .nav-open */
body.nav-open .nav-toggle .hamburger-line:nth-child(1),
body.nav-open .hamburger-btn .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle .hamburger-line:nth-child(2),
body.nav-open .hamburger-btn .hamburger-line:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle .hamburger-line:nth-child(3),
body.nav-open .hamburger-btn .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   10. MOBILE NAVIGATION PANEL
   Slides down from the navigation bar.
   Hidden by default; visible when body has .nav-open.
   -------------------------------------------------------------------------- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: 999;
  background-color: var(--color-navigation);
  border-bottom: 1px solid var(--color-accent-primary);
  padding: var(--space-lg);
  transform: translateY(-100%);
  opacity: 0;
  transition:
    transform var(--transition-speed) var(--transition-ease),
    opacity var(--transition-speed) var(--transition-ease);
  pointer-events: none;
}

body.nav-open .mobile-nav {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  display: block;
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-md);
  margin: 0 calc(-1 * var(--space-md));
  border-radius: 4px;
  border-bottom: 1px solid rgba(55, 37, 73, 0.3);
  transition:
    text-shadow var(--transition-speed) var(--transition-ease),
    box-shadow var(--transition-speed) var(--transition-ease);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  text-shadow: var(--glow-text-pink);
  box-shadow: var(--glow-pink);
}

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-accent-primary);
  background-color: var(--color-navigation);
}

.footer-content {
  max-width: var(--max-width);
  margin-inline: auto;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.footer-links a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
  transition: text-shadow var(--transition-speed) var(--transition-ease);
}

.footer-links a:hover {
  text-shadow: var(--glow-text-pink);
}

.footer-copyright {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-copyright .current-year {
  color: inherit;
}

/* --------------------------------------------------------------------------
   12. GLITCH ANIMATION FOR SECTION TITLES
   Subtle digital corruption effect — elegant, gothic, cinematic.
   Base styles; randomized slices and offsets are injected by JS.
   -------------------------------------------------------------------------- */

@keyframes glitch-flicker {
  0%, 90%, 100% { opacity: 1; }
  91%, 94% { opacity: 0.92; }
}

.hero-title,
.section-title,
.page-title {
  position: relative;
  overflow: hidden;
  animation: glitch-flicker 5s infinite;
}

/* JS-controlled overlay elements for slice distortion */
.title-glitch-layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  clip-path: inset(0);
  opacity: 0;
}

/* Image glitch on hover — brief RGB displacement burst */
@keyframes img-glitch-burst {
  0%   { filter: none; transform: none; }
  15%  { filter: drop-shadow(-3px 0 #774C60) drop-shadow(3px 0 #372549); transform: translate(-2px, -1px) skew(-0.5deg); }
  30%  { filter: drop-shadow(2px 0 #774C60) drop-shadow(-2px 0 #372549); transform: translate(2px, 1px) skew(0.5deg); }
  45%  { filter: drop-shadow(-1px 0 #774C60) drop-shadow(4px 0 #372549); transform: translate(-1px, -2px) skew(-0.3deg); }
  60%  { filter: drop-shadow(3px 0 #774C60) drop-shadow(-3px 0 #372549); transform: translate(1px, 1px) skew(0.3deg); }
  75%  { filter: none; transform: none; }
  100% { filter: none; transform: none; }
}

.glitch-hover {
  animation: img-glitch-burst 0.3s ease-in-out;
}
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: transparent;
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition:
    box-shadow var(--transition-speed) var(--transition-ease),
    transform var(--transition-speed) var(--transition-ease),
    border-color var(--transition-speed) var(--transition-ease),
    background-color var(--transition-speed) var(--transition-ease);
}

.btn:hover {
  box-shadow: var(--glow-pink);
  transform: translateY(-2px);
  border-color: var(--color-text);
}

.btn:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.btn:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   13. SHARED PANEL CLASS (.panel, .content-panel)
   -------------------------------------------------------------------------- */
.panel {
  background-color: var(--color-panel);
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
}

.content-panel {
  background-color: var(--color-panel);
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
}

/* --------------------------------------------------------------------------
   14. FOCUS VISIBLE STYLES
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* Remove default outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* --------------------------------------------------------------------------
   15. SCROLL REVEAL CLASSES
   Elements start hidden and animate in when .revealed is added via JS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--transition-ease),
    transform 0.8s var(--transition-ease);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for groups of reveal elements */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* --------------------------------------------------------------------------
   16. RESPONSIVE UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

/* Section spacing */
section {
  padding-block: var(--space-section);
  position: relative;
  z-index: 1;
}

/* Section headings */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* Page title (h1 elements) */
.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* --------------------------------------------------------------------------
   17. PREFERS-REDUCED-MOTION
   Disable or reduce all animations for users who prefer less motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .bubble-background,
  .bubbles-container {
    display: none;
  }
}

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

/* Desktop: 769px+ — wordmark flush left */
@media (min-width: 769px) {
  .site-nav {
    padding-left: 0;
  }
}

/* Tablet and below: 768px */
@media (max-width: 768px) {
  :root {
    --nav-height: 67px;
  }

  body {
    font-size: 1rem;
  }

  section {
    padding-block: var(--space-xl);
  }

  .panel,
  .content-panel {
    padding: var(--space-lg);
  }

  /* Show hamburger, hide desktop nav links */
.nav-toggle,
.hamburger-btn {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .mobile-nav {
    display: block;
  }
}

/* Mobile: 480px */
@media (max-width: 480px) {
  .site-nav {
    padding: 0 var(--space-md);
  }

  .nav-wordmark {
    font-size: 1.2rem;
  }

  .panel,
  .content-panel {
    padding: var(--space-md);
  }
}