/* ==========================================================================
   Base & Theme Variables
   ========================================================================== */
:root {
  /* Default: Dark Theme */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-card: rgba(22, 31, 52, 0.7);
  --bg-card-hover: rgba(30, 42, 70, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #6366f1;       /* Indigo */
  --accent-secondary: #8b5cf6;     /* Purple */
  --accent-tertiary: #ec4899;      /* Pink */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --accent-glow: rgba(99, 102, 241, 0.25);
  
  --nav-bg: rgba(11, 15, 25, 0.8);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --nav-bg: rgba(248, 250, 252, 0.85);
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.07);
}

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

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

body {
  font-family: 'Outfit', 'Noto Sans JP', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  min-height: 100vh;
  position: relative;
}

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

ul {
  list-style: none;
}

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Background Aurora Glows */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  transition: opacity 0.5s ease;
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.bg-glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
  top: 40%;
  right: -150px;
}

.bg-glow-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #ec4899 0%, transparent 70%);
  bottom: 5%;
  left: 10%;
}

[data-theme="light"] .bg-glow {
  opacity: 0.2;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section.bg-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.title-underline {
  width: 50px;
  height: 4px;
  background: var(--accent-gradient);
  margin: 0.8rem auto 0;
  border-radius: var(--radius-full);
}

.section-subtitle {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--card-shadow);
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-family: 'JetBrains Mono', monospace;
}

.brand-bracket {
  color: var(--accent-primary);
}

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

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

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

.sun-icon { display: none; }
.moon-icon { display: block; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

.mobile-only {
  display: none;
}

.hamburger-icon { display: block; }
.close-icon { display: none; }
.nav-menu.open ~ .nav-actions .hamburger-icon { display: none; }
.nav-menu.open ~ .nav-actions .close-icon { display: block; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 8.5rem;
  padding-bottom: 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 0.75rem;
}

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

.hero-subtitle {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
}

.cursor {
  animation: blink 1s infinite;
  color: var(--accent-primary);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 2.2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

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

.btn-block {
  width: 100%;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
}

/* Hero Visual / Avatar Card */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.avatar-card {
  position: relative;
  width: 320px;
  height: 320px;
}

.avatar-glow {
  position: absolute;
  inset: -15px;
  background: var(--accent-gradient);
  filter: blur(35px);
  border-radius: 50%;
  opacity: 0.45;
  z-index: 0;
  animation: float 6s ease-in-out infinite alternate;
}

.avatar-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  padding: 6px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

[data-theme="light"] .avatar-placeholder {
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 50%, #818cf8 100%);
}

.avatar-initial {
  font-size: 6.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

.floating-badge {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--card-shadow);
  animation: floatBadge 4s ease-in-out infinite alternate;
}

.badge-top-right {
  top: 15px;
  right: -25px;
  animation-delay: 0s;
}

.badge-bottom-left {
  bottom: 15px;
  left: -25px;
  animation-delay: 2s;
}

.badge-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-primary);
}

@keyframes float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

@keyframes floatBadge {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--card-shadow);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}

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

.intro-card p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.info-list {
  margin-top: 1.8rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.info-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-weight: 500;
  min-width: 110px;
}

.info-value {
  color: var(--text-primary);
  font-weight: 600;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.feature-box:hover {
  border-color: var(--border-color-hover);
  transform: translateX(5px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-box h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Skills Section
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.category-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-level {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

[data-theme="light"] .progress-bar {
  background: rgba(0, 0, 0, 0.08);
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tag i {
  width: 14px;
  height: 14px;
  color: var(--accent-primary);
}

.tag:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
}

.project-thumb {
  height: 170px;
  overflow: hidden;
  position: relative;
}

.thumb-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease;
}

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

.thumb-grad-1 { background: linear-gradient(135deg, #1e1b4b, #4338ca); }
.thumb-grad-2 { background: linear-gradient(135deg, #0f172a, #0d9488); }
.thumb-grad-3 { background: linear-gradient(135deg, #3b0764, #c026d3); }

.thumb-icon {
  width: 52px;
  height: 52px;
  color: rgba(255, 255, 255, 0.85);
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.link-btn i {
  width: 15px;
  height: 15px;
}

.link-btn:hover {
  color: var(--accent-primary);
}

/* ==========================================================================
   Career Timeline Section
   ========================================================================== */
.timeline {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-color-hover);
  transform: translateX(4px);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--border-color-hover);
  transform: translateX(6px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info {
  flex-grow: 1;
}

.contact-info h4 {
  font-size: 1rem;
  font-weight: 600;
}

.contact-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.arrow {
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
}

.contact-form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
  background: rgba(0, 0, 0, 0.02);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  transition: var(--transition);
}

.back-to-top:hover {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.back-to-top i {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-desc {
    margin: 0 auto 2.2rem;
  }
  
  .hero-cta,
  .hero-socials {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.6rem;
  }
  
  .mobile-only {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    display: none;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .avatar-card {
    width: 260px;
    height: 260px;
  }
  
  .avatar-initial {
    font-size: 5rem;
  }
  
  .floating-badge {
    padding: 0.45rem 0.8rem;
    font-size: 0.75rem;
  }
  
  .badge-top-right {
    right: -10px;
  }
  
  .badge-bottom-left {
    left: -10px;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================================================
   Works & Gallery Page Styles
   ========================================================================== */
.gallery-hero {
  padding-top: 7.5rem;
  padding-bottom: 2rem;
  text-align: center;
}

.gallery-hero-content {
  max-width: 760px;
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  transform: translateX(-4px);
}

.gallery-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 1rem 0 0.8rem;
}

.gallery-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Featured Showcase */
.featured-showcase {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 4rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--card-shadow);
  align-items: center;
}

.featured-image-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  background: #000;
  aspect-ratio: 16 / 9;
}

.featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

.featured-image-container:hover .featured-img {
  transform: scale(1.04);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.featured-image-container:hover .image-overlay {
  opacity: 1;
}

.overlay-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.featured-details {
  display: flex;
  flex-direction: column;
}

.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.featured-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  line-height: 1.25;
}

.featured-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.work-specs {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.8rem;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

[data-theme="light"] .work-specs {
  background: rgba(0, 0, 0, 0.02);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.spec-label {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.spec-item i {
  width: 14px;
  height: 14px;
}

.spec-val {
  font-weight: 600;
  color: var(--text-primary);
}

.featured-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* Gallery Sub Header */
.gallery-sub-header {
  margin-bottom: 2rem;
}

.gallery-sub-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
}

.gallery-sub-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.gallery-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
}

.gallery-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.gallery-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-card-thumb img {
  transform: scale(1.06);
}

.card-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: #fff;
}

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

.card-hover-overlay i {
  width: 28px;
  height: 28px;
}

.gallery-card-info {
  padding: 1.2rem;
}

.card-tags {
  margin-bottom: 0.5rem;
}

.gallery-card-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.gallery-card-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Placeholder Card */
.placeholder-card {
  border: 2px dashed var(--border-color);
  background: transparent;
  cursor: default;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}

.placeholder-card:hover {
  transform: none;
  border-color: var(--accent-primary);
}

.placeholder-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
}

.placeholder-icon i {
  width: 26px;
  height: 26px;
}

.placeholder-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.placeholder-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.placeholder-content code {
  background: var(--bg-card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent-primary);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 16, 0.92);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 1001;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

.lightbox-content {
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrapper {
  max-height: 75vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrapper img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
  margin-top: 1.2rem;
  text-align: center;
  color: #fff;
}

.lightbox-caption h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.lightbox-caption p {
  color: #94a3b8;
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

@media (max-width: 992px) {
  .featured-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}