/* styles.css */

:root {
  /* Dark Theme (Default) */
  --bg-gradient-start: #2a003f;
  --bg-gradient-end: #3c0a6c;
  --text-primary: #f3f3f3;
  --text-nav-link: #f3f3f3;
  --text-nav-link-hover: #ff77ff;
  --bg-navbar: rgba(255, 255, 255, 0.05);
  --border-heading: #fff;
  --bg-button: #6100a5;
  --text-button: #fff;
  --bg-button-hover: #9400d3;
  --bg-skill-item: rgba(255, 255, 255, 0.1);
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-card-left: #ff77ff;
  --bg-portfolio-item: rgba(255, 255, 255, 0.05);
  --bg-footer: rgba(0, 0, 0, 0.2);
  --text-footer: #f3f3f3;
  --loader-bg: #fff; /* Assuming loader GIF is dark/transparent on light bg */

  /* Variables for styles potentially from index.html <style> block */
  --color-navbar-brand: #ff77ff;
  --color-navbar-link: #f3f3f3;
  --color-navbar-link-hover: #ff77ff;
  --bg-navbar-override: rgba(42, 0, 63, 0.95); /* from potential inline style */

  --btn3d-bg-gradient-start: #6a11cb;
  --btn3d-bg-gradient-end: #2575fc;
  --btn3d-text-color: #fff;
  --btn3d-shadow-color: #3c0a6c;
  --btn3d-shadow-color-rgba: rgba(42,0,63,0.25);
  --btn3d-active-shadow-color-rgba: rgba(42,0,63,0.18);

  --lang-item-bg-gradient-start: #667eea;
  --lang-item-bg-gradient-end: #764ba2;
  --lang-item-text: white;
  --lang-proficiency-fill: rgba(255,255,255,0.8);
  --lang-proficiency-bg: rgba(255,255,255,0.3);

  /* Contact Section variables (dark theme adaptations for originally light-designed elements) */
  --contact-intro-h2-gradient-start: #667eea; /* Keeping original gradient for dark too */
  --contact-intro-h2-gradient-end: #764ba2;
  --contact-intro-p: #bbb; /* Lighter for dark bg */
  --contact-category-bg: rgba(255, 255, 255, 0.08); /* Darker bg for cards */
  --contact-category-h3: #f0f0f0;
  --contact-category-icon-bg-gradient-start: #667eea;
  --contact-category-icon-bg-gradient-end: #764ba2;
  --contact-category-icon-text: white;
  --contact-link-text: #ccc;
  --contact-link-hover-text: #764ba2; /* Accent */
  --contact-link-icon-bg: rgba(255,255,255,0.1);
  --contact-link-icon-hover-bg-gradient-start: #667eea; /* Keeping original gradient */
  --contact-link-icon-hover-bg-gradient-end: #764ba2;
  --contact-link-icon-hover-text: white;
  --contact-link-value: #aaa;
  --map-header-bg-gradient-start: #667eea; /* Keeping original gradient */
  --map-header-bg-gradient-end: #764ba2;
  --map-header-text: white;
}

body.light-mode {
  /* Light Theme Overrides */
  --bg-gradient-start: #e0e0e0;
  --bg-gradient-end: #ffffff;
  --text-primary: #2c3e50;
  --text-nav-link: #34495e;
  --text-nav-link-hover: #5dade2;
  --bg-navbar: rgba(255, 255, 255, 0.8); /* More opaque for light mode */
  --border-heading: #bdc3c7;
  --bg-button: #3498db;
  --text-button: #ffffff;
  --bg-button-hover: #2980b9;
  --bg-skill-item: rgba(224, 226, 228, 0.7); /* Lighter, less transparent */
  --bg-card: #ffffff; /* Solid white for cards */
  --border-card-left: #3498db;
  --bg-portfolio-item: #ffffff; /* Solid white */
  --bg-footer: #ecf0f1;
  --text-footer: #7f8c8d;
  --loader-bg: #ffffff; /* Loader bg for light mode */

  /* Light theme variables for styles potentially from index.html <style> block */
  --color-navbar-brand: #5dade2;
  --color-navbar-link: #34495e;
  --color-navbar-link-hover: #5dade2;
  --bg-navbar-override: rgba(240, 240, 240, 0.9); /* Lighter navbar bg */

  --btn3d-bg-gradient-start: #79c2ff;
  --btn3d-bg-gradient-end: #a2facf;
  --btn3d-text-color: #2c3e50;
  --btn3d-shadow-color: #888888;
  --btn3d-shadow-color-rgba: rgba(0,0,0,0.15); /* Lighter shadow for light mode */
  --btn3d-active-shadow-color-rgba: rgba(0,0,0,0.1);


  --lang-item-bg-gradient-start: #89f7fe;
  --lang-item-bg-gradient-end: #66a6ff;
  --lang-item-text: #2c3e50;
  --lang-proficiency-fill: rgba(44, 62, 80, 0.7);
  --lang-proficiency-bg: rgba(44, 62, 80, 0.2);

  /* Contact Section variables (light theme - closer to original inline styles) */
  --contact-intro-h2-gradient-start: #5dade2; /* Light theme gradient */
  --contact-intro-h2-gradient-end: #76c7c0;
  --contact-intro-p: #666;
  --contact-category-bg: #fff;
  --contact-category-h3: #333;
  --contact-category-icon-bg-gradient-start: #5dade2; /* Light theme gradient */
  --contact-category-icon-bg-gradient-end: #76c7c0;
  --contact-category-icon-text: white;
  --contact-link-text: #555;
  --contact-link-hover-text: #5dade2; /* Light theme accent */
  --contact-link-icon-bg: #f8f9fa;
  --contact-link-icon-hover-bg-gradient-start: #5dade2; /* Light theme gradient */
  --contact-link-icon-hover-bg-gradient-end: #76c7c0;
  --contact-link-icon-hover-text: white;
  --contact-link-value: #888;
  --map-header-bg-gradient-start: #5dade2; /* Light theme gradient */
  --map-header-bg-gradient-end: #76c7c0;
  --map-header-text: white;
}

/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}

/* === 3D SCENE LAYOUT === */
.scene-3d {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.section-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  margin-bottom: 2rem;
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.2),
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 -20px 40px rgba(0, 0, 0, 0.1) inset;
  transform-style: preserve-3d;
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}
.section-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 119, 255, 0.06) 0%, transparent 50%, rgba(100, 100, 255, 0.04) 100%);
  pointer-events: none;
}
body.light-mode .section-panel {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

/* Hero 3D */
.hero-3d-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  margin-bottom: 1rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(255, 119, 255, 0.2), rgba(100, 100, 255, 0.2));
  border: 1px solid rgba(255, 119, 255, 0.3);
  color: var(--text-nav-link-hover);
  transform: translateZ(20px);
  animation: float-badge 4s ease-in-out infinite;
}
@keyframes float-badge {
  0%, 100% { transform: translateZ(20px) translateY(0); }
  50% { transform: translateZ(30px) translateY(-6px); }
}
.hero-3d-title {
  transform-style: preserve-3d;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.1),
    0 4px 20px rgba(255, 119, 255, 0.3),
    0 8px 40px rgba(100, 50, 200, 0.2);
}

/* 3D tilt cards */
.tilt-ready {
  transform-style: preserve-3d;
  transition: transform 0.15s ease, box-shadow 0.3s ease;
  will-change: transform;
}
.card,
.skill,
.portfolio-item,
.language-item,
.contact-category {
  transform-style: preserve-3d;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}
.card:hover,
.skill:hover,
.portfolio-item:hover,
.language-item:hover,
.contact-category:hover {
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 119, 255, 0.15);
}
body.light-mode .card:hover,
body.light-mode .skill:hover,
body.light-mode .portfolio-item:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

/* 3D skills grid */
.grid {
  perspective: 800px;
}
.skill {
  position: relative;
  overflow: hidden;
}
.skill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

/* 3D button depth */
.button,
.btn-3d {
  transform-style: preserve-3d;
  position: relative;
}
.button:active,
.btn-3d:active {
  transform: translateY(3px) translateZ(-4px) !important;
}

/* Navbar 3D glass */
.navbar {
  background: rgba(42, 0, 63, 0.92) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  z-index: 1030;
}
body.light-mode .navbar {
  background: rgba(255, 255, 255, 0.85) !important;
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

/* Canvas behind content */
canvas#bg {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  transition: opacity 0.5s ease;
}
body.light-mode canvas#bg {
  opacity: 0.45;
}

@media (prefers-reduced-motion: reduce) {
  .hero-3d-badge { animation: none; }
  .tilt-ready { transition: none; }
}

/* Decorative cursor glow — native OS cursor always remains visible */
body,
body.cursor-enhanced,
body.cursor-enhanced a,
body.cursor-enhanced button,
body.cursor-enhanced .btn,
body.cursor-enhanced .nav-link,
body.cursor-enhanced .contact-link,
body.cursor-enhanced .skill,
body.cursor-enhanced .portfolio-item,
body.cursor-enhanced .card,
body.cursor-enhanced .language-item,
body.cursor-enhanced .accordion-button {
  cursor: auto;
}

body.cursor-enhanced a,
body.cursor-enhanced button,
body.cursor-enhanced .btn,
body.cursor-enhanced .btn-3d,
body.cursor-enhanced .button,
body.cursor-enhanced .nav-link,
body.cursor-enhanced .contact-link,
body.cursor-enhanced .accordion-button,
body.cursor-enhanced label[for] {
  cursor: pointer;
}

.cursor-glow {
  position: fixed;
  left: 0;
  top: 0;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(150, 80, 255, 0.16) 0%, rgba(100, 50, 200, 0.06) 40%, transparent 70%);
  pointer-events: none;
  z-index: 99997;
  mix-blend-mode: screen;
  opacity: 0;
  will-change: transform, opacity;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
}
body.light-mode .cursor-glow {
  background: radial-gradient(circle, rgba(93, 173, 226, 0.18) 0%, rgba(118, 199, 192, 0.07) 40%, transparent 70%);
  mix-blend-mode: multiply;
}
.cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255, 119, 255, 0.45);
  background: transparent;
  pointer-events: none;
  z-index: 99998;
  opacity: 0;
  will-change: transform, opacity, width, height, border-color;
  transform: translate3d(-100px, -100px, 0) translate(-50%, -50%);
  transition: width 0.18s ease, height 0.18s ease, border-color 0.18s ease, border-width 0.18s ease, opacity 0.15s ease;
}
body.light-mode .cursor-ring {
  border-color: rgba(93, 173, 226, 0.5);
}
.cursor-ring--active {
  width: 40px;
  height: 40px;
  border-width: 2px;
  border-color: rgba(255, 119, 255, 0.75);
}
.cursor-ring--click {
  width: 22px;
  height: 22px;
  border-color: rgba(255, 119, 255, 0.9);
}
body.light-mode .cursor-ring--active {
  border-color: rgba(93, 173, 226, 0.85);
}
body.light-mode .cursor-ring--click {
  border-color: rgba(93, 173, 226, 1);
}
@media (prefers-reduced-motion: reduce) {
  .cursor-glow,
  .cursor-ring {
    display: none !important;
  }
}

/* Specific background for light mode if solid color is preferred over gradient */
body.light-mode {
   background: var(--bg-gradient-end);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--bg-button);
  color: var(--text-button);
  text-decoration: none;
  border-radius: 0 0 0.5rem 0.5rem;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0;
  outline: 2px solid var(--text-nav-link-hover);
  outline-offset: 2px;
}

/* === MOBILE DYNAMIC ISLAND === */
.dynamic-island {
  display: none;
}

@media (max-width: 991.98px) {
  body.has-dynamic-island {
    padding-top: 0;
  }

  .dynamic-island {
    display: block;
    position: fixed !important;
    top: calc(env(safe-area-inset-top, 0px) + 10px);
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translateX(-50%);
    z-index: 10060;
    width: min(92vw, 360px);
    pointer-events: none;
    will-change: transform;
  }

  .dynamic-island__pill,
  .dynamic-island__panel {
    pointer-events: auto;
  }

  .dynamic-island__pill {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    width: 100%;
    margin: 0 auto;
    padding: 0.55rem 1rem 0.55rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(20, 0, 35, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-radius 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s ease,
                background 0.35s ease;
  }

  body.light-mode .dynamic-island__pill {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  }

  .dynamic-island__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.7);
    flex-shrink: 0;
    animation: island-pulse 2s ease-in-out infinite;
  }

  @keyframes island-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.65; transform: scale(0.9); }
  }

  .dynamic-island__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    flex: 1;
    text-align: left;
    line-height: 1.2;
  }

  .dynamic-island__name {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .dynamic-island__status {
    font-size: 0.68rem;
    opacity: 0.75;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .dynamic-island__panel {
    margin-top: 0.5rem;
    padding: 0.65rem;
    border-radius: 1.25rem;
    background: rgba(20, 0, 35, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    animation: island-expand 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  body.light-mode .dynamic-island__panel {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.08);
  }

  @keyframes island-expand {
    from { opacity: 0; transform: translateY(-6px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  .dynamic-island__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
  }

  .dynamic-island__action {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.5rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.2s ease, transform 0.15s ease;
  }

  body.light-mode .dynamic-island__action {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
  }

  .dynamic-island__action:hover,
  .dynamic-island__action:focus-visible {
    background: rgba(255, 119, 255, 0.18);
    color: var(--text-nav-link-hover);
    transform: scale(1.02);
  }

  body.light-mode .dynamic-island__action:hover,
  body.light-mode .dynamic-island__action:focus-visible {
    background: rgba(93, 173, 226, 0.15);
  }

  .dynamic-island__action--btn {
    cursor: pointer;
    font-family: inherit;
  }

  .dynamic-island.is-expanded .dynamic-island__pill {
    border-radius: 1.25rem;
  }

  .site-header,
  header {
    padding-top: 4.5rem;
  }

  .site-navbar {
    top: calc(env(safe-area-inset-top, 0px) + 52px);
  }
}

@media (min-width: 992px) {
  .dynamic-island {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dynamic-island__dot {
    animation: none;
  }
  .dynamic-island__panel {
    animation: none;
  }
}

/* === CHATBASE AI CHATBOT — keep bubble above page content === */
#chatbase-bubble-button {
  z-index: 10050 !important;
}

/* Site header */
.site-header,
header {
  text-align: center;
  padding: 5rem 1.5rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.site-header__avatar {
  display: block;
  width: 7.5rem;
  height: 7.5rem;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 119, 255, 0.45);
  box-shadow: 0 8px 32px rgba(255, 119, 255, 0.25);
}

body.light-mode .site-header__avatar {
  border-color: rgba(93, 173, 226, 0.5);
  box-shadow: 0 8px 32px rgba(93, 173, 226, 0.2);
}

.site-header__tagline a {
  color: var(--text-nav-link-hover);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.site-header__eyebrow {
  font-size: 0.85rem !important;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-nav-link-hover) !important;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.site-header h1,
header h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.site-header__tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem) !important;
  line-height: 1.65;
  color: var(--text-primary);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

.site-header__tagline--secondary {
  margin-top: 0.65rem;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem) !important;
  opacity: 0.75;
  max-width: 560px;
}

/* Generic p, h2, etc. styles should be checked if they were intended to be global or scoped */
/* For now, assuming this h1 was the main page title in the header */

p { /* General paragraph text */
  font-size: 1.2rem;
  color: var(--text-primary);
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem;
  list-style: none;
  background-color: var(--bg-navbar);
  backdrop-filter: blur(10px);
}

nav ul li a {
  text-decoration: none;
  color: var(--text-nav-link);
  font-weight: bold;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--text-nav-link-hover);
}

section {
  padding: 3.5rem 2.5rem;
  max-width: 1000px;
  margin: auto;
}

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  border-bottom: 2px solid var(--border-heading);
  padding-bottom: 0.5rem;
  margin-bottom: 1.75rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

section ul {
  list-style: none;
  padding: 0;
}
section ul li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  line-height: 1.6;
}
body.light-mode section ul li {
  border-bottom-color: rgba(0, 0, 0, 0.08);
}
section ul li:last-child {
  border-bottom: none;
}

#about p {
  line-height: 1.75;
  margin-bottom: 1rem;
}

.button, .btn-primary { /* Assuming .btn-primary from HTML uses similar styling */
  background: var(--bg-button);
  padding: 0.75rem 1.5rem;
  color: var(--text-button);
  border: none;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: background 0.3s, color 0.3s;
}

.button:hover, .btn-primary:hover {
  background: var(--bg-button-hover);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  text-align: center;
}

.skills-grid .skill {
  height: 100%;
}

.portfolio-gallery.row,
.languages-grid.row,
.contact-grid.row {
  --bs-gutter-x: 1rem;
  margin-bottom: 0;
}

.contact-grid.row > [class*="col-"] {
  display: flex;
  min-width: 0;
}

.portfolio-gallery:not(.row) {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.skill {
  padding: 1rem;
  background-color: var(--bg-skill-item);
  border-radius: 0.75rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-primary);
}
body.light-mode .skill {
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.card {
  padding: 1.5rem;
  background-color: var(--bg-card);
  border-left: 4px solid var(--border-card-left);
  margin-bottom: 1.5rem;
  border-radius: 0.75rem;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.card-meta {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 0.75rem;
}
body.light-mode .card {
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.portfolio-item {
  background-color: var(--bg-portfolio-item);
  padding: 2rem;
  text-align: center;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  color: var(--text-primary);
}
.portfolio-item:hover {
  transform: translateY(-4px);
}
.portfolio-item__title {
  font-size: 1.1rem;
  margin: 0.75rem 0 0.5rem;
  color: var(--text-primary);
}
.portfolio-item p {
  font-size: 0.95rem;
  opacity: 0.8;
}
body.light-mode .portfolio-item {
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}
body.light-mode .portfolio-item p {
  color: var(--text-primary);
}

footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  font-size: 0.9rem;
  background-color: var(--bg-footer);
  color: var(--text-footer);
  transition: background-color 0.3s ease, color 0.3s ease;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
footer a {
  color: var(--text-nav-link-hover);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
.footer-meta {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

.fade-in.delay {
  animation-delay: 1s;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Loader styles */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: min(92vw, 320px);
}

.loader-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  width: 100%;
}

.loader-core {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  box-shadow: 0 0 28px rgba(255, 119, 255, 0.4);
  animation: loader-core-breathe 1.8s ease-in-out infinite;
}

body.light-mode .loader-core {
  color: #2c3e50;
  background: linear-gradient(135deg, #79c2ff 0%, #a2facf 100%);
  box-shadow: 0 0 22px rgba(93, 173, 226, 0.35);
}

.loader-icons-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}

.loader-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.55rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  animation: loader-chip-bounce 1.2s ease-in-out infinite;
}

.loader-chip:nth-child(1) { animation-delay: 0s; }
.loader-chip:nth-child(2) { animation-delay: 0.1s; }
.loader-chip:nth-child(3) { animation-delay: 0.2s; }
.loader-chip:nth-child(4) { animation-delay: 0.3s; }
.loader-chip:nth-child(5) { animation-delay: 0.4s; }
.loader-chip:nth-child(6) { animation-delay: 0.5s; }

.loader-chip--linkedin { color: #0a66c2; border-color: rgba(10, 102, 194, 0.45); }
.loader-chip--cplus { color: #00599c; border-color: rgba(0, 89, 156, 0.45); }
.loader-chip--js { color: #f7df1e; border-color: rgba(247, 223, 30, 0.35); }
.loader-chip--code { color: #ff77ff; font-family: monospace; font-size: 0.58rem; }
.loader-chip--github { color: #e6edf3; }
.loader-chip--html { color: #e44d26; font-size: 0.55rem; }

body.light-mode .loader-chip {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

body.light-mode .loader-chip--github { color: #24292f; }

.loader-bar {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

body.light-mode .loader-bar {
  background: rgba(0, 0, 0, 0.08);
}

.loader-bar__fill {
  display: block;
  width: 35%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ff77ff, #2575fc, #ff77ff);
  background-size: 200% 100%;
  animation: loader-bar-slide 1.4s ease-in-out infinite;
}

body.light-mode .loader-bar__fill {
  background: linear-gradient(90deg, #5dade2, #76c7c0, #5dade2);
  background-size: 200% 100%;
}

.loader-text {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-nav-link-hover);
  opacity: 0.9;
}

@keyframes loader-core-breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.06); opacity: 0.92; }
}

@keyframes loader-chip-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.75; }
  50% { transform: translateY(-8px); opacity: 1; }
}

@keyframes loader-bar-slide {
  0% { transform: translateX(-120%); background-position: 0% 50%; }
  100% { transform: translateX(320%); background-position: 100% 50%; }
}

#loader.hide {
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .loader-core,
  .loader-chip,
  .loader-bar__fill {
    animation: none !important;
  }
}

/* Styles potentially from index.html <style> block */
/* These assume that if these styles were in index.html, they are either removed 
   or these overrides are specific enough. Ideally, move them from index.html to here. */

.navbar { /* This is a Bootstrap class, might be styled inline or in <style> */
  /* background: var(--bg-navbar-override) !important;  Potentially needed if inline styles are very persistent */
  /* backdrop-filter: blur(10px); Already in nav ul, but if .navbar has its own bg... */
}
.navbar-brand { /* Bootstrap class */
  font-weight: bold; /* Keep or make variable */
  color: var(--color-navbar-brand) !important; /* Important to override Bootstrap if needed */
  letter-spacing: 2px; /* Keep or make variable */
}
.navbar-nav .nav-link { /* Bootstrap class */
  color: var(--color-navbar-link) !important; /* Important to override Bootstrap */
  font-weight: bold; /* Keep or make variable */
  transition: color 0.3s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--color-navbar-link-hover) !important; /* Important to override Bootstrap */
}

/* For .btn-3d (from index.html) */
.btn-3d {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    color: var(--btn3d-text-color);
    background: linear-gradient(135deg, var(--btn3d-bg-gradient-start) 0%, var(--btn3d-bg-gradient-end) 100%);
    box-shadow: 0 6px 0 var(--btn3d-shadow-color), 0 8px 20px var(--btn3d-shadow-color-rgba);
    outline: none;
}
.btn-3d:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 0 var(--btn3d-shadow-color), 0 12px 25px var(--btn3d-shadow-color-rgba);
}
.btn-3d:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 var(--btn3d-shadow-color), 0 4px 10px var(--btn3d-active-shadow-color-rgba);
}

/* Languages section (from index.html) */
.language-item {
    background: linear-gradient(135deg, var(--lang-item-bg-gradient-start) 0%, var(--lang-item-bg-gradient-end) 100%);
    color: var(--lang-item-text);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
body.light-mode .language-item {
    box-shadow: 0 5px 15px rgba(0,0,0,0.07);
}
.language-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
body.light-mode .language-item:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.language-item h4 {
    margin-bottom: 10px;
    font-size: 1.4rem;
}
.proficiency-bar {
    width: 100%;
    height: 10px;
    background-color: var(--lang-proficiency-bg);
    border-radius: 5px;
    overflow: hidden;
}
.proficiency-fill {
    height: 100%;
    background-color: var(--lang-proficiency-fill);
    border-radius: 5px;
    transition: width 0.5s ease-in-out;
}

/* Contact Section (styles from index.html) */
#contact .container { /* Assuming a structure like this */
    /* max-width: 1100px; margin: auto; padding: 0 20px; */
}
.contact-intro h2 { /* Specific h2 in contact */
    background: linear-gradient(90deg, var(--contact-intro-h2-gradient-start), var(--contact-intro-h2-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent; /* Standard property */
    font-size: 2.8rem; /* from inline */
    margin-bottom: 1rem; /* from inline */
}
.contact-intro p {
  color: var(--contact-intro-p); /* Uses variable defined above */
  font-size: 1.1rem; /* from inline */
  line-height: 1.8; /* from inline */
  max-width: 700px; /* from inline */
  margin: 0 auto 2rem auto; /* from inline */
}
.contact-category {
  background: var(--contact-category-bg);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  text-align: left;
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
body.light-mode .contact-category {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.06);
}
.contact-category:hover {
  transform: translateY(-5px); /* from inline */
  box-shadow: 0 15px 35px rgba(0,0,0,0.1); /* from inline, might need theme specific var */
}
body.light-mode .contact-category:hover {
  box-shadow: 0 15px 35px rgba(0,0,0,0.15); /* Adjusted hover shadow for light */
}
.contact-category-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--contact-category-icon-bg-gradient-start) 0%, var(--contact-category-icon-bg-gradient-end) 100%);
    color: var(--contact-category-icon-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.contact-category h3 {
  color: var(--contact-category-h3);
  font-size: 1.5rem; /* from inline */
  margin-bottom: 1rem; /* from inline */
}
.contact-link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--contact-link-text);
  text-decoration: none;
  margin-bottom: 0;
  transition: color 0.3s ease, padding-left 0.3s ease;
  font-weight: 500;
  min-width: 0;
}
.contact-link:hover {
  color: var(--contact-link-hover-text);
}
.contact-link i { /* Assuming icons are used, e.g. Font Awesome */
  margin-right: 10px; /* from inline */
  width: 20px; /* from inline */
  text-align: center; /* from inline */
}
.contact-link-icon { /* This was for a more complex structure in example, simplified here */
  background: var(--contact-link-icon-bg); /* For if icon itself had a bg */
}
.contact-link:hover .contact-link-icon { /* For if icon itself had a bg and hover effect */
    background: linear-gradient(135deg, var(--contact-link-icon-hover-bg-gradient-start) 0%, var(--contact-link-icon-hover-bg-gradient-end) 100%);
    color: var(--contact-link-icon-hover-text);
}
.contact-link-value {
  color: var(--contact-link-value);
  font-style: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.map-container {
  margin-top: 3rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
body.light-mode .map-container {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.map-split {
  margin: 0;
}
.map-panel {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.map-panel + .map-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
@media (min-width: 768px) {
  .map-panel + .map-panel {
    border-top: none;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
  }
}
body.light-mode .map-panel + .map-panel {
  border-color: rgba(0, 0, 0, 0.08);
}
.map-header {
    background: linear-gradient(90deg, var(--map-header-bg-gradient-start), var(--map-header-bg-gradient-end));
    color: var(--map-header-text);
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
}
.map-panel iframe {
  width: 100%;
  height: 300px;
  border: none;
  display: block;
  flex: 1;
}
.map-header i {
    margin-right: 10px;
}

@keyframes rgb-glow-animation {
  0% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #ff0000, 0 0 15px #ff0000, 0 0 20px #ff0000; }
  16% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #ff7f00, 0 0 15px #ff7f00, 0 0 20px #ff7f00; }
  33% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #ffff00, 0 0 15px #ffff00, 0 0 20px #ffff00; }
  50% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #00ff00, 0 0 15px #00ff00, 0 0 20px #00ff00; }
  66% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #0000ff, 0 0 15px #0000ff, 0 0 20px #0000ff; }
  83% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #4b0082, 0 0 15px #4b0082, 0 0 20px #4b0082; }
  100% { text-shadow: 1px 1px 0px rgba(0,0,0,0.2), 2px 2px 0px rgba(0,0,0,0.15), 3px 3px 0px rgba(0,0,0,0.1), 0 0 10px #8f00ff, 0 0 15px #8f00ff, 0 0 20px #8f00ff; }
}

/* === LAYOUT HELPERS === */
.site-header,
nav.navbar,
main,
footer {
  position: relative;
  z-index: 2;
}

.site-navbar {
  padding-top: env(safe-area-inset-top, 0);
}

.navbar .container {
  max-width: 1140px;
}

#theme-toggle-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  text-decoration: none;
}

main.container {
  max-width: 1000px;
}

#faq dl {
  margin: 0;
}

#faq dt {
  font-size: 1.05rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

#faq dt:first-child {
  margin-top: 0;
}

#faq dd {
  margin: 0 0 0.75rem;
  padding-left: 1rem;
  border-left: 3px solid var(--border-card-left);
  line-height: 1.65;
  color: var(--text-primary);
  opacity: 0.9;
}

#faq dd a {
  color: var(--text-nav-link-hover);
  word-break: break-word;
}

.faq-accordion .accordion-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.75rem !important;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

body.light-mode .faq-accordion .accordion-item {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.08);
}

.faq-accordion .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: none;
  padding: 1rem 1.15rem;
  min-height: 44px;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: rgba(255, 119, 255, 0.08);
  color: var(--text-nav-link-hover);
}

body.light-mode .faq-accordion .accordion-button:not(.collapsed) {
  background: rgba(93, 173, 226, 0.12);
}

.faq-accordion .accordion-button::after {
  filter: brightness(0) invert(1);
}

body.light-mode .faq-accordion .accordion-button::after {
  filter: none;
}

.faq-accordion .accordion-body {
  color: var(--text-primary);
  opacity: 0.92;
  line-height: 1.65;
  padding: 0 1.15rem 1rem;
}

.faq-accordion .accordion-body a {
  color: var(--text-nav-link-hover);
  word-break: break-word;
}

.contact-link-value,
.contact-link-label {
  word-break: break-word;
}

/* === MOBILE & TABLET === */
@media (max-width: 991.98px) {
  .navbar-nav {
    gap: 0.15rem;
    padding: 0.75rem 0 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  body.light-mode .navbar-nav {
    border-top-color: rgba(0, 0, 0, 0.08);
  }

  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    border-radius: 0.5rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .navbar-nav .nav-link:hover,
  .navbar-nav .nav-link:focus {
    background: rgba(255, 119, 255, 0.1);
  }

  body.light-mode .navbar-nav .nav-link:hover,
  body.light-mode .navbar-nav .nav-link:focus {
    background: rgba(93, 173, 226, 0.1);
  }

  .navbar-toggler {
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }
}

@media (max-width: 767.98px) {
  body {
    -webkit-tap-highlight-color: transparent;
  }

  .site-header,
  header {
    padding: 3.5rem 1rem 1rem;
  }

  .hero-3d-badge {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    padding: 0.35rem 0.85rem;
  }

  .site-header__eyebrow {
    font-size: 0.72rem !important;
    letter-spacing: 0.08em;
    line-height: 1.5;
  }

  .site-header__tagline {
    font-size: 0.95rem !important;
    line-height: 1.55;
    padding: 0 0.25rem;
  }

  p {
    font-size: 1rem;
    line-height: 1.65;
  }

  section,
  .section-panel {
    padding: 1.35rem 1rem !important;
    margin-bottom: 1rem;
    border-radius: 1rem;
  }

  main.container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  h2 {
    font-size: 1.45rem;
    margin-bottom: 1.25rem;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .skills-grid.row-cols-2 > * {
    flex: 0 0 auto;
    width: 50%;
  }

  .skill {
    padding: 0.85rem 0.5rem;
    font-size: 0.88rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .card {
    padding: 1.15rem;
  }

  .card h3 {
    font-size: 1.05rem;
  }

  .portfolio-item {
    padding: 1.35rem 1rem;
  }

  .portfolio-item img {
    width: 64px;
    height: 64px;
  }

  .btn-3d,
  .button {
    width: 100%;
    max-width: 100%;
    text-align: center;
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
  }

  .contact-container {
    padding: 1rem 0;
  }

  .contact-intro h2,
  #contact .contact-intro h2 {
    font-size: 1.75rem !important;
  }

  .contact-category {
    padding: 1.15rem !important;
  }

  .contact-category h3 {
    font-size: 1.1rem;
    flex-wrap: wrap;
  }

  .contact-link {
    padding: 0.85rem 0;
    min-height: 44px;
  }

  .contact-link-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }

  .map-panel iframe {
    height: 220px;
  }

  .map-header {
    font-size: 0.95rem;
    padding: 0.85rem 1rem;
  }

  .languages-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .language-item {
    padding: 1rem;
  }

  footer {
    padding: 1.75rem 1rem calc(1.75rem + env(safe-area-inset-bottom, 0));
    font-size: 0.85rem;
  }

  canvas#bg {
    opacity: 0.65;
  }

  body.light-mode canvas#bg {
    opacity: 0.35;
  }
}

@media (max-width: 575.98px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }

  .navbar-brand {
    font-size: 1rem;
    letter-spacing: 1px !important;
    max-width: 65%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (hover: none) and (pointer: coarse) {
  .card:hover,
  .skill:hover,
  .portfolio-item:hover,
  .language-item:hover,
  .contact-category:hover {
    transform: none;
    box-shadow: inherit;
  }

  .contact-link:hover {
    padding-left: 0;
  }
}