/* ============================================
   PERSONAL PORTFOLIO - DARK TECHY THEME
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --accent: #00d4ff;
  --accent-secondary: #a855f7;
  --accent-gradient: linear-gradient(135deg, #00d4ff, #a855f7);
  --text-primary: #e0e0e0;
  --text-secondary: #8888a0;
  --text-heading: #ffffff;
  --border-color: #2a2a3e;
  --success: #00e676;
  --font-main: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'Consolas', monospace;
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1400px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ---------- Loading Screen ---------- */
.loader-wrapper {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s, visibility 0.5s;
}

.loader-wrapper.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Particle Background ---------- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.navbar.scrolled {
  padding: 0.7rem 2rem;
  border-bottom-color: var(--border-color);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-heading);
  font-family: 'Dancing Script', cursive;
  letter-spacing: 0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--transition);
  white-space: nowrap;
  flex: 1;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  justify-content: flex-end;
}

.nav-logo:hover {
  opacity: 0.8;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-heading);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-content {
  max-width: var(--max-width);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  animation: fadeInUp 0.8s ease forwards;
  margin-left: auto;
}

.hero-greeting {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: #c0c4cc;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-description {
  color: #c0c4cc;
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 2rem;
  margin-left: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s 0.2s ease forwards;
  opacity: 0;
}

.hero-image {
  width: 100%;
  max-width: 680px;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-glow), 0 0 40px rgba(123, 47, 247, 0.2);
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero-image:hover {
  transform: scale(1.03);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3), 0 0 60px rgba(123, 47, 247, 0.3);
}

.hero-image-caption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: #b4b9c8;
  text-align: center;
  font-style: italic;
  opacity: 0.9;
}

.hero-image-placeholder {
  width: 100%;
  max-width: 550px;
  height: 350px;
  border-radius: 12px;
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

/* Typing cursor effect */
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--accent);
  margin-left: 4px;
  animation: blink 0.8s step-end infinite;
  vertical-align: text-bottom;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
  color: var(--bg-primary);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

/* ---------- Section Styles ---------- */
.section {
  padding: 6rem 2rem;
  position: relative;
  z-index: 1;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gradient);
  margin: 1.5rem auto 0;
  border-radius: 2px;
}

/* ---------- Highlight Cards (Home) ---------- */
.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.highlight-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.highlight-card:hover::before {
  transform: scaleX(1);
}

.highlight-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.highlight-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.highlight-card p {
  color: #c0c4cc;
  font-size: 0.95rem;
}

.highlight-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.about-image-container {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-card);
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.about-image-container::after {
  content: '';
  position: absolute;
  inset: 15px;
  border: 2px solid var(--accent);
  border-radius: 12px;
  z-index: -1;
  opacity: 0.3;
}

.about-text h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-text p {
  color: #b8b8c8;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.about-detail-item {
  display: flex;
  flex-direction: column;
}

.about-detail-item .label {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

.about-detail-item .value {
  color: var(--text-heading);
  font-weight: 500;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: all var(--transition);
}

.skill-category:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.skill-category h3 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-item {
  margin-bottom: 1.2rem;
}

.skill-item:last-child {
  margin-bottom: 0;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.skill-info span:first-child {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.skill-info span:last-child {
  font-size: 0.85rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.skill-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tech-tag {
  padding: 0.3rem 0.8rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
  transition: all var(--transition);
}

.tech-tag:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--accent);
}

/* Education Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 1.5rem auto 0;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  width: 100%;
  padding: 0 0 1.2rem 2rem;
}

.timeline-dot {
  position: absolute;
  top: 0.35rem;
  left: -7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  transition: all var(--transition);
}

.timeline-content:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.timeline-date {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.timeline-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.timeline-org {
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
  opacity: 0.9;
}

.timeline-gpa {
  color: #b8b8c8;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
}

.timeline-desc {
  color: #b8b8c8;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.timeline-image {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
  margin: 1rem 0 0.5rem;
  opacity: 0.9;
}

.timeline-courses {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.timeline-course-tag {
  padding: 0.2rem 0.6rem;
  background: rgba(56, 139, 253, 0.18);
  border: 1px solid rgba(56, 139, 253, 0.5);
  border-radius: 4px;
  font-size: 0.75rem;
  color: #7cc4ff;
  font-family: var(--font-mono);
}

/* ---------- Projects Page ---------- */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border: 1px solid rgba(180, 185, 200, 0.35);
  background: transparent;
  color: #b4b9c8;
  border-radius: 25px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--font-main);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.project-image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-body {
  padding: 1.5rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.project-category {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-date {
  font-family: var(--font-mono);
  color: #c0c4cc;
  font-size: 0.75rem;
}

.project-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.project-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

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

.project-tag {
  padding: 0.2rem 0.6rem;
  background: rgba(56, 139, 253, 0.18);
  border: 1px solid rgba(56, 139, 253, 0.5);
  border-radius: 4px;
  font-size: 0.75rem;
  color: #7cc4ff;
  font-family: var(--font-mono);
}

/* ---------- Experience Page ---------- */
.experience-container {
  max-width: 800px;
  margin: 0 auto;
}

.experience-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 3rem;
}

.experience-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: -3rem;
  width: 2px;
  background: var(--border-color);
}

.experience-item:last-child::before {
  bottom: 0;
}

.experience-item::after {
  content: '';
  position: absolute;
  left: -5px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--shadow-glow);
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.experience-header h3 {
  font-size: 1.2rem;
}

.experience-date {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  white-space: nowrap;
}

.experience-company {
  color: var(--accent-secondary);
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.experience-description {
  color: #c0c4cc;
  font-size: 0.95rem;
}

.experience-description li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.4rem;
}

.experience-description li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

.exp-gallery-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.exp-gallery-link:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent);
}

/* Resume download section */
.resume-section {
  text-align: center;
  margin-top: 4rem;
  padding: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.resume-section h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.resume-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: all var(--transition);
}

.contact-item:hover .contact-icon {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.contact-item p {
  color: #c0c4cc;
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-status {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
  margin-top: 1rem;
}

.form-status.success {
  display: block;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  color: var(--success);
}

/* ---------- Under Construction Overlay ---------- */
#constructionOverlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.construction-content {
  max-width: 480px;
  padding: 2rem;
}
.construction-icon {
  font-size: 4rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: block;
  animation: constructionBounce 2s ease-in-out infinite;
}
.construction-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 1rem;
}
.construction-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.construction-bar {
  width: 200px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  margin: 0 auto;
  overflow: hidden;
}
.construction-bar-fill {
  width: 40%;
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 2px;
  animation: constructionProgress 2s ease-in-out infinite;
}
@keyframes constructionBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes constructionProgress {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ---------- Footer ---------- */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-text .accent {
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 45px;
  height: 45px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 999;
  font-size: 1.2rem;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Lightbox / Modal ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

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

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition);
}

.lightbox-close:hover {
  color: var(--accent);
}

/* ---------- Responsive ---------- */


@media (max-width: 992px) {
  .hamburger {
    display: flex;
  }

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

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

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    margin-left: 0;
  }

  .hero-description {
    margin: 0 auto 2rem;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image-wrapper {
    order: -1;
  }

  .hero-image,
  .hero-image-placeholder {
    width: 320px;
    height: auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image-container {
    max-width: 350px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .highlights {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero-image,
  .hero-image-placeholder {
    width: 100%;
    height: auto;
  }

  .about-details {
    grid-template-columns: 1fr;
  }
}

/* ---------- Utilities ---------- */
.text-accent {
  color: var(--accent);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* ---------- Language Toggle ---------- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 1rem;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.3rem 0.6rem;
  transition: all var(--transition);
  flex-shrink: 0;
}

.lang-toggle:hover {
  border-color: var(--accent);
}

.lang-toggle span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  transition: all var(--transition);
}

.lang-toggle span.active {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: all var(--transition);
  cursor: pointer;
}

.gallery-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.5s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.gallery-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.gallery-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.gallery-video {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #000;
}

.gallery-caption {
  padding: 1rem 1.25rem;
}

.gallery-caption p {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.gallery-caption .gallery-date {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 0.3rem;
}

.gallery-category-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.2rem 0.7rem;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: capitalize;
  backdrop-filter: blur(4px);
}

/* Resume buttons row */
.resume-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

}