/* ===========================
   Variables
   =========================== */
:root {
  /* Shared Variables */
  --primary-font: "Cinzel", serif;
  --secondary-font: "Poppins", sans-serif;

  /* Light Theme (Default) */
  --bg-main: #f8f9fa;
  --bg-alt: #ffffff;
  --text-main: #212529;
  --text-muted: #6c757d;
  --accent-gold: #ffc107;
  --accent-amethyst: #7f5af0;
  --accent-emerald: #28a745;
  --glow-color: var(--accent-amethyst);
  --glow-color-rgb: 127, 90, 240; /* RGB for light --accent-amethyst */

  --header-bg: rgba(248, 249, 250, 0.8);
  --header-scrolled-bg: rgba(248, 249, 250, 0.95);
  --header-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
  --logo-color: var(--accent-amethyst);
  --nav-link-color: var(--text-main);
  --nav-link-hover-underline: var(--accent-gold);
  --section-border: 1px solid rgba(0, 0, 0, 0.1);
  --cta-button-bg: var(--accent-gold);
  --cta-button-text: var(--text-main); /* Dark text on gold button */
  --cta-button-shadow: 0 0 10px rgba(255, 193, 7, 0.3);
  --cta-button-hover-shadow: 0 0 15px rgba(255, 193, 7, 0.5);
  --card-bg: var(--bg-alt);
  --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --card-hover-shadow1: 0 10px 25px rgba(var(--glow-color-rgb), 0.2);
  --card-hover-shadow2: 0 0 15px rgba(var(--glow-color-rgb), 0.15);
  --card-hover-border: var(--glow-color);
  --tag-bg: rgba(0, 0, 0, 0.05);
  --project-link-color: var(--accent-gold);
  --project-link-border: 1px solid var(--accent-gold);
  --project-link-hover-bg: var(--accent-gold);
  --project-link-hover-text: var(--bg-alt);
  --skill-star-bg: rgba(var(--glow-color-rgb), 0.1);
  --skill-star-border: 1px solid var(--accent-amethyst);
  --skill-star-shadow: 0 0 8px rgba(var(--glow-color-rgb), 0.3),
    0 0 15px rgba(var(--glow-color-rgb), 0.2);
  --skill-star-text-color: var(--text-main);
  --skill-star-hover-bg: rgba(255, 193, 7, 0.15); /* Gold accent on hover */
  --skill-star-hover-border: var(--accent-gold);
  --skill-star-hover-shadow: 0 0 15px rgba(255, 193, 7, 0.4),
    0 0 30px rgba(255, 193, 7, 0.3);
  --skill-connection-gradient: linear-gradient(
    90deg,
    rgba(var(--glow-color-rgb), 0.5),
    rgba(255, 193, 7, 0.5)
  );
  --skill-tooltip-bg: var(--bg-alt);
  --skill-tooltip-border-color: var(--accent-amethyst);
  --skill-tooltip-text-color: var(--text-main);
  --skill-tooltip-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --form-input-border-color: var(--text-muted);
  --form-input-focus-border-color: var(--accent-amethyst);
  --form-label-color: var(--text-muted);
  --form-label-focused-color: var(--accent-amethyst);
  --submit-rune-color: var(--accent-gold);
  --submit-rune-border: 2px solid var(--accent-gold);
  --submit-rune-hover-bg: var(--accent-gold);
  --submit-rune-hover-text: var(--bg-alt);
  --submit-rune-hover-shadow: 0 0 15px rgba(255, 193, 7, 0.4);
  --modal-backdrop: rgba(220, 220, 220, 0.7);
  --modal-content-bg: var(--bg-alt);
  --modal-content-border: 1px solid var(--accent-amethyst);
  --modal-shadow: 0 0 30px rgba(var(--glow-color-rgb), 0.15);
  --footer-bg: var(--bg-alt);
  --footer-text: var(--text-muted);
  --custom-cursor-border: 2px solid var(--accent-amethyst);
  --custom-cursor-hover-bg: rgba(var(--glow-color-rgb), 0.2);
  --loader-bg: var(--bg-main);
  --loader-symbol-color: var(--accent-amethyst);
  --loader-text-color: var(--text-muted);
  --loader-animation: pulseGlowLight 2s infinite alternate;

  /* convenience aliases used later */
  --text-color: var(--text-main);
  --accent-color: var(--accent-gold);
}

/* Dark Theme Overrides */
body.dark-mode {
  --bg-main: #0a0514;
  --bg-alt: #1a0f2f;
  --text-main: #e0d8f5;
  --text-muted: #a098b5;
  --accent-gold: #ffd700;
  --accent-amethyst: #9966cc;
  --accent-emerald: #50c878;
  --glow-color: var(--accent-amethyst);
  --glow-color-rgb: 153, 102, 204; /* RGB for dark --accent-amethyst */

  --header-bg: rgba(10, 5, 20, 0.7);
  --header-scrolled-bg: rgba(10, 5, 20, 0.9);
  --header-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  --logo-color: var(--accent-gold);
  --nav-link-color: var(--text-main);
  --nav-link-hover-underline: var(--accent-amethyst);
  --section-border: 1px solid rgba(255, 215, 0, 0.1);
  --cta-button-bg: var(--accent-gold);
  --cta-button-text: #0a0514; /* Very dark text on gold button */
  --cta-button-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
  --cta-button-hover-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
  --card-bg: var(--bg-alt);
  --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  --card-hover-shadow1: 0 10px 30px rgba(var(--glow-color-rgb), 0.4);
  --card-hover-shadow2: 0 0 20px rgba(var(--glow-color-rgb), 0.3);
  --card-hover-border: var(--glow-color);
  --tag-bg: rgba(255, 255, 255, 0.1);
  --project-link-color: var(--accent-gold);
  --project-link-border: 1px solid var(--accent-gold);
  --project-link-hover-bg: var(--accent-gold);
  --project-link-hover-text: #0a0514;
  --skill-star-bg: rgba(var(--glow-color-rgb), 0.3);
  --skill-star-border: 1px solid var(--accent-amethyst);
  --skill-star-shadow: 0 0 8px var(--accent-amethyst),
    0 0 15px var(--accent-amethyst);
  --skill-star-text-color: var(--text-main);
  --skill-star-hover-bg: rgba(255, 215, 0, 0.4); /* Gold accent on hover */
  --skill-star-hover-border: var(--accent-gold);
  --skill-star-hover-shadow: 0 0 15px var(--accent-gold),
    0 0 30px var(--accent-gold);
  --skill-connection-gradient: linear-gradient(
    90deg,
    var(--accent-amethyst),
    var(--accent-gold)
  );
  --skill-tooltip-bg: var(--bg-main);
  --skill-tooltip-border-color: var(--accent-gold);
  --skill-tooltip-text-color: var(--accent-gold);
  --skill-tooltip-shadow: none;
  --form-input-border-color: var(--text-muted);
  --form-input-focus-border-color: var(--accent-amethyst);
  --form-label-color: var(--text-muted);
  --form-label-focused-color: var(--accent-amethyst);
  --submit-rune-color: var(--accent-gold);
  --submit-rune-border: 2px solid var(--accent-gold);
  --submit-rune-hover-bg: var(--accent-gold);
  --submit-rune-hover-text: #0a0514;
  --submit-rune-hover-shadow: 0 0 15px var(--accent-gold);
  --modal-backdrop: rgba(10, 5, 20, 0.85);
  --modal-content-bg: var(--bg-alt);
  --modal-content-border: 1px solid var(--accent-amethyst);
  --modal-shadow: 0 0 30px rgba(153, 102, 204, 0.5);
  --footer-bg: var(--bg-alt);
  --footer-text: var(--text-muted);
  --custom-cursor-border: 2px solid var(--accent-gold);
  --custom-cursor-hover-bg: rgba(255, 215, 0, 0.2);
  --loader-bg: #0a0514;
  --loader-symbol-color: var(--accent-gold);
  --loader-text-color: var(--text-muted);
  --loader-animation: pulseGlow 2s infinite alternate;

  /* update aliases for dark */
  --text-color: var(--text-main);
  --accent-color: var(--accent-gold);
}

/* ===========================
   Base reset & layout
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--secondary-font);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Small helper: skip link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 0.75rem;
  background: #000;
  color: #fff;
  border-radius: 6px;
  z-index: 9999;
}

/* ===========================
   Cursor, Loader, Header
   =========================== */

/* custom cursor */
.custom-cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border: var(--custom-cursor-border);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease,
    transform 0.1s ease-out;
  z-index: 9999;
}
.custom-cursor.hovered {
  width: 30px;
  height: 30px;
  background-color: var(--custom-cursor-hover-bg);
}

/* loader */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--loader-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
.loader-symbol {
  font-size: 3rem;
  color: var(--loader-symbol-color);
  animation: var(--loader-animation);
}
.loader p {
  margin-top: 1rem;
  color: var(--loader-text-color);
  font-size: 1.1rem;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* loader animations */
@keyframes pulseGlow {
  /* Dark theme loader anim */
  from {
    text-shadow: 0 0 10px var(--accent-gold), 0 0 20px var(--accent-gold);
  }
  to {
    text-shadow: 0 0 20px var(--accent-gold), 0 0 30px var(--accent-gold),
      0 0 40px #ffae00;
  }
}
@keyframes pulseGlowLight {
  /* Light theme loader anim */
  from {
    text-shadow: 0 0 8px rgba(var(--glow-color-rgb), 0.4),
      0 0 15px rgba(var(--glow-color-rgb), 0.3);
  }
  to {
    text-shadow: 0 0 15px rgba(var(--glow-color-rgb), 0.5),
      0 0 25px rgba(var(--glow-color-rgb), 0.4),
      0 0 35px rgba(var(--glow-color-rgb), 0.2);
  }
}

/* header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 5%;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
header.scrolled {
  background: var(--header-scrolled-bg);
  box-shadow: var(--header-shadow);
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-family: var(--primary-font);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--logo-color);
}

/* Navigation Links (Desktop) */
.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.nav-links li {
  margin-left: 2rem;
}
.nav-links li a {
  text-decoration: none;
  color: var(--nav-link-color);
  font-weight: 600;
  position: relative;
  padding-bottom: 0.3rem;
}
.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--nav-link-hover-underline);
  transition: width 0.3s ease;
}
.nav-links li a:hover::after {
  width: 100%;
}

/* Social icons + Theme toggle in Header (Desktop) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(0, 0, 0, 0.05); /* subtle border for light theme */
  background: transparent;
  transition: transform 0.2s, color 0.3s, border-color 0.3s;
}

body.dark-mode .social-link {
  border-color: rgba(255, 255, 255, 0.1); /* subtle border for dark theme */
}

.social-link:hover {
  transform: scale(1.2);
  color: var(--accent-color);
  border-color: var(--accent-color); /* Highlight border on hover */
}

.theme-toggle-button {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 0.5rem;
  transition: color 0.3s, background-color 0.3s;
}
.theme-toggle-button:hover {
  background-color: rgba(var(--glow-color-rgb), 0.1);
  color: var(--accent-amethyst);
}

/* ===========================
   Main sections
   =========================== */
section {
  min-height: 100vh;
  padding: 120px 5% 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  border-bottom: var(--section-border);
}
section:last-of-type {
  border-bottom: none;
}

h1,
h2 {
  font-family: var(--primary-font);
  margin-bottom: 1.5rem;
  color: var(--text-main);
}
h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  letter-spacing: 2px;
}
h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.hero-section {
  background: radial-gradient(circle, var(--bg-alt) 0%, var(--bg-main) 70%);
  overflow: hidden;
}
.hero-content {
  z-index: 2;
  position: relative;
}
.hero-title span {
  display: inline-block;
}
.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--accent-emerald);
  margin-bottom: 2rem;
}

/* CTA Button */
.cta-button {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--cta-button-bg);
  color: var(--cta-button-text);
  text-decoration: none;
  font-weight: 600;
  border-radius: 50px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: var(--cta-button-shadow);
  border: none; /* Ensure no default button border */
  cursor: pointer;
}
.cta-button:hover {
  transform: scale(1.05);
  box-shadow: var(--cta-button-hover-shadow);
}

/* ===========================
   About / Projects / Skills
   =========================== */

/* About Section */
.about-section {
  background-color: var(--bg-alt);
}
.about-content {
  display: flex;
  flex-direction: column; /* Changed to column for image-on-top-text-below */
  align-items: center; /* Center horizontally */
  justify-content: center;
  gap: 2rem; /* Vertical gap between image and text */
  max-width: 1000px;
  text-align: center; /* Center align text within this container */
}
.about-image img {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--accent-amethyst);
  box-shadow: 0 0 15px rgba(var(--glow-color-rgb), 0.12);
  margin-bottom: 1rem; /* Add some space below the image */
}
.about-text {
  max-width: 700px; /* Constrain text width for readability */
  text-align: center; /* Ensure paragraphs are centered */
}
.about-text p {
  margin-bottom: 1rem;
  color: var(--text-main);
}
.about-text p:last-child {
  margin-bottom: 0;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  width: 100%;
  max-width: 1200px;
  margin-top: 2rem;
  perspective: 1000px;
}
.project-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid transparent;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
    box-shadow 0.4s ease, border-color 0.4s ease;
}
.project-card:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(-3deg) scale(1.03);
  box-shadow: var(--card-hover-shadow1), var(--card-hover-shadow2);
  border-color: var(--card-hover-border);
}
.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.project-card:hover img {
  transform: scale(1.05);
}
.project-info {
  padding: 1.5rem;
  text-align: left;
}
.project-info h3 {
  font-family: var(--primary-font);
  color: var(--accent-emerald);
  margin-bottom: 0.5rem;
}
.project-tags span {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  margin-top: 0.5rem;
}

/* Project link button */
.project-link {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--project-link-color);
  border: var(--project-link-border);
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}
.project-link:hover {
  background-color: var(--project-link-hover-bg);
  color: var(--project-link-hover-text);
}

/* Skills constellation */
.skills-constellation-wrapper {
  position: relative;
  width: 100%;
  max-width: 700px;
  height: 450px;
  margin-top: 3rem;
}
.skills-constellation {
  position: relative;
  width: 100%;
  height: 100%;
}
.skill-star {
  position: absolute;
  width: 50px;
  height: 50px;
  background-color: var(--skill-star-bg);
  border: var(--skill-star-border);
  border-radius: 50%;
  box-shadow: var(--skill-star-shadow);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  z-index: 2;
}
.skill-star span {
  display: block;
  font-size: 0.7rem;
  color: var(--skill-star-text-color);
}
.skill-star:hover {
  transform: scale(1.3);
  box-shadow: var(--skill-star-hover-shadow);
  background-color: var(--skill-star-hover-bg);
  border-color: var(--skill-star-hover-border);
  z-index: 10;
}

/* connection line */
.skill-connection-line {
  position: absolute;
  height: 2px;
  background: var(--skill-connection-gradient);
  transform-origin: 0 0;
  z-index: 1;
  opacity: 1;
}

/* tooltip */
.skill-tooltip {
  position: absolute;
  background: var(--skill-tooltip-bg);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--skill-tooltip-border-color);
  color: var(--skill-tooltip-text-color);
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease, transform 0.12s;
  pointer-events: none;
  transform: translate(-50%, -140%);
  z-index: 20;
  white-space: nowrap;
  box-shadow: var(--skill-tooltip-shadow);
}
.skill-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

/* ===========================
   Contact Form (fixed visuals & floating labels)
   =========================== */
.contact-section {
  background: radial-gradient(circle, var(--bg-alt) 0%, var(--bg-main) 80%);
}
.contact-form {
  width: 100%;
  max-width: 600px;
  margin-top: 2rem;
}

/* form group & floating label */
.form-group {
  position: relative;
  margin-bottom: 2.5rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 0.5rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--form-input-border-color); /* explicit visible bottom border */
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.18s ease;
  border-radius: 2px;
}

/* label placement and float behavior */
.form-group label {
  position: absolute;
  top: 0.8rem;
  left: 0.5rem;
  color: var(--form-label-color);
  pointer-events: none;
  transition: top 0.22s ease, font-size 0.22s ease, color 0.22s ease,
    transform 0.22s ease;
  transform-origin: left top;
}

/* Lift the label when focused or when input has content */
.form-group:focus-within label,
.form-group input:valid + label,
.form-group textarea:valid + label,
.form-group.filled label {
  /* NEW: support when JS marks the group as filled */
  top: -1.2rem;
  font-size: 0.8rem;
  color: var(--form-label-focused-color);
}

/* focus */
.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--form-input-focus-border-color);
  box-shadow: 0 2px 6px rgba(var(--glow-color-rgb), 0.05);
}

/* Submit button */
.submit-rune {
  padding: 0.8rem 2rem;
  background: transparent;
  color: var(--submit-rune-color);
  border: var(--submit-rune-border);
  border-radius: 50px;
  font-family: var(--primary-font);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.submit-rune:hover {
  background-color: var(--submit-rune-hover-bg);
  color: var(--submit-rune-hover-text);
  box-shadow: var(--submit-rune-hover-shadow);
}

/* ===========================
   Modal
   =========================== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: var(--modal-backdrop);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.modal.visible {
  display: flex;
  opacity: 1;
}
.modal-content {
  background-color: var(--modal-content-bg);
  margin: auto;
  padding: 30px;
  border: var(--modal-content-border);
  border-radius: 10px;
  width: 90%;
  max-width: 700px;
  box-shadow: var(--modal-shadow);
  position: relative;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.modal.visible .modal-content {
  transform: scale(1);
  opacity: 1;
  transition-delay: 0.1s;
}
.close-button {
  color: var(--text-muted);
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s ease;
}
.close-button:hover,
.close-button:focus {
  color: var(--accent-gold);
}
.modal-content h3 {
  font-family: var(--primary-font);
  color: var(--accent-emerald);
  margin-bottom: 1rem;
  margin-top: 0;
  font-size: 1.8rem;
}
.modal-content img {
  width: 100%;
  max-height: 350px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 1rem;
}
.modal-content .project-tags {
  margin-bottom: 1.5rem;
}

/* ===========================
   Footer
   =========================== */
footer {
  text-align: center;
  padding: 2rem 5%;
  background-color: var(--footer-bg);
  color: var(--footer-text);
  font-size: 0.9rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.footer-actions {
  display: flex;
  flex-direction: column; /* Stack social and button */
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}
.footer-socials {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
}

.download-cv-button {
  padding: 0.7rem 1.8rem; /* Slightly smaller than main CTA */
  font-size: 0.95rem;
  margin-top: 0.5rem;
  /* inherits cta-button styles, override if needed */
}

/* --- Hamburger and Mobile Navigation --- */
.hamburger {
  display: none; /* Hidden by default on desktop */
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-main);
  border-radius: 3px;
  transition: all 0.3s ease;
}
/* Hamburger animation for right-side opening */
.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile specific overrides for nav-links */
@media (max-width: 900px) {
  header {
    padding: 1rem 4%; /* Slightly less padding to give more space for header elements */
  }
  .nav-actions {
    gap: 0.2rem; /* Reduce gap between actions to save space */
  }
  .theme-toggle-button {
    font-size: 1rem; /* Slightly smaller icon to save space */
    padding: 0.3rem;
  }

  .nav-links {
    display: flex; /* Make it a flex container even when hidden */
    flex-direction: column;
    justify-content: flex-start; /* Align content to the top initially */
    align-items: center;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-alt);
    padding: 2rem 0;
    z-index: 999;
    transform: translateX(100%); /* Start off-screen to the right */
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0; /* Also hide with opacity */
    pointer-events: none; /* Disable interaction when hidden */
  }

  .nav-links.mobile-active {
    transform: translateX(0); /* Slide in */
    opacity: 1;
    pointer-events: auto; /* Enable interaction */
  }

  .nav-links li {
    width: 80%; /* Give links a defined width */
    max-width: 320px; /* Prevent them from being too wide */
    margin: 0.75rem auto; /* Center list items and add vertical spacing */
  }

  .nav-links li a {
    font-size: 1.6rem; /* Keep a good size */
    padding: 0.8rem 1.5rem; /* Good padding for tap targets */
    border-radius: 8px; /* Slightly rounded corners */
    transition: background-color 0.3s ease, color 0.3s ease;
    display: block; /* Make the whole area clickable */
    text-align: center;
    width: 100%; /* Fill the li's width */
    color: var(--text-main); /* Ensure proper text color */
  }

  .nav-links li a:hover,
  .nav-links li a:focus-visible {
    /* Add focus-visible for keyboard nav */
    background-color: rgba(
      var(--glow-color-rgb),
      0.1
    ); /* Subtle background highlight */
    color: var(--accent-amethyst); /* Highlight text color */
  }

  /* Adjust underline for mobile - maybe remove or make it subtle */
  .nav-links li a::after {
    height: 1px; /* Thinner underline */
    background-color: var(
      --accent-amethyst
    ); /* Use amethyst for dark mode compatibility */
    left: 50%; /* Center the underline */
    transform: translateX(-50%);
  }
  .nav-links li a:hover::after {
    width: 50%; /* Make underline shorter and centered */
    left: 50%;
    transform: translateX(-50%);
  }

  /* Hide desktop social links */
  .nav-actions .social-link {
    display: none;
  }

  .hamburger {
    display: flex; /* Show hamburger on mobile */
  }

  /* Mobile menu footer (socials + CV button) */
  .mobile-menu-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-top: auto; /* Push it to the bottom of the flex container (nav-links) */
    padding-top: 2rem; /* Spacing from links above */
    width: 80%; /* Match width of links */
    max-width: 320px;
  }

  .mobile-socials {
    display: flex; /* Show mobile socials in the menu */
    gap: 1rem;
    justify-content: center;
    width: 100%; /* Take full width of its parent (.mobile-menu-footer) */
  }

  .mobile-socials a {
    font-size: 1.8rem; /* Keep size consistent */
    color: var(--text-main);
    transition: color 0.3s, transform 0.2s;
  }

  .mobile-socials a:hover {
    color: var(--accent-color);
    transform: scale(1.2);
  }

  .mobile-cv-button {
    width: 100%; /* Make button fill available width */
    text-align: center;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  /* Close mobile menu button */
  .close-mobile-menu {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2.5rem; /* Large and clear */
    color: var(--text-main);
    cursor: pointer;
    z-index: 1000; /* Ensure it's above other content */
    transition: color 0.3s ease, transform 0.2s ease;
    padding: 0.5rem;
    line-height: 1; /* Prevent extra line height from pushing it */
  }
  .close-mobile-menu:hover {
    color: var(--accent-gold); /* Highlight on hover */
    transform: rotate(90deg); /* Little animation */
  }
}

/* Hide mobile menu footer and close button on desktop */
@media (min-width: 901px) {
  .mobile-menu-footer,
  .close-mobile-menu {
    display: none;
  }
}

/* ===========================
   Accessibility helpers
   =========================== */
:focus {
  outline: none;
}
:focus-visible {
  outline: 3px solid rgba(var(--glow-color-rgb), 0.45);
  outline-offset: 3px;
  border-radius: 6px;
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===========================
   Particles, minor extras
   =========================== */
.hero-particles .particle {
  position: absolute;
  pointer-events: none;
}

/* ===========================
   Responsive rules for small screens
   =========================== */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.8rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .hero-tagline {
    font-size: 0.9rem;
  }
  .project-card {
    margin-bottom: 1rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .theme-toggle-button {
    font-size: 1.3rem;
    padding: 0.4rem;
  }
  .projects-grid {
    gap: 1.2rem;
  }

  .nav-links li a {
    font-size: 1.5rem; /* Slightly smaller for very small screens */
  }
  .mobile-socials a {
    font-size: 1.5rem; /* Slightly smaller icons for very small screens */
  }
  .close-mobile-menu {
    font-size: 2rem;
    top: 1rem;
    right: 1rem;
  }
}