/* ==========================================================================
   Imtiyaj Portfolio — Main Stylesheet
   Modular CSS organized for easy WordPress theme conversion
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables (Light & Dark Themes)
   -------------------------------------------------------------------------- */
:root {
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Brand */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-accent: #06b6d4;

  /* Light theme */
  --bg-body: #f8fafc;
  --bg-section: #f1f5f9;
  --bg-card: #ffffff;
  --bg-navbar: rgba(255, 255, 255, 0.85);
  --bg-code: #1e293b;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #f8fafc 100%);

  --navbar-height: 72px;
  --section-padding: 100px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-body: #0f172a;
  --bg-section: #1e293b;
  --bg-card: #1e293b;
  --bg-navbar: rgba(15, 23, 42, 0.9);
  --bg-code: #0f172a;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

/* --------------------------------------------------------------------------
   2. Base & Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-body);
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* --------------------------------------------------------------------------
   3. Typography & Section Layout
   -------------------------------------------------------------------------- */
.section-padding {
  padding: var(--section-padding) 0;
}

.bg-section {
  background-color: var(--bg-section);
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
}

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

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
  --bs-btn-bg: var(--color-primary);
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-bg: var(--color-primary-dark);
  --bs-btn-hover-border-color: var(--color-primary-dark);
  --bs-btn-active-bg: var(--color-primary-dark);
  --bs-btn-active-border-color: var(--color-primary-dark);
  border-radius: 10px;
  font-weight: 600;
  padding: 10px 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.btn-outline-primary {
  --bs-btn-color: var(--color-primary);
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-bg: var(--color-primary);
  --bs-btn-hover-border-color: var(--color-primary);
  border-radius: 10px;
  font-weight: 600;
}

.btn-outline-secondary {
  border-radius: 10px;
  font-weight: 600;
  --bs-btn-color: var(--text-secondary);
  --bs-btn-border-color: var(--border-color);
  --bs-btn-hover-bg: var(--bg-section);
  --bs-btn-hover-border-color: var(--text-muted);
  --bs-btn-hover-color: var(--text-primary);
}

[data-theme="dark"] .btn-outline-secondary {
  --bs-btn-color: var(--text-secondary);
  --bs-btn-border-color: var(--border-color);
}

/* --------------------------------------------------------------------------
   5. Navigation
   -------------------------------------------------------------------------- */
.navbar {
  background: var(--bg-navbar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
  min-height: var(--navbar-height);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary) !important;
}

.brand-icon {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 1.1rem;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 14px !important;
  position: relative;
  transition: color var(--transition);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.navbar-toggler {
  border-color: var(--border-color);
  padding: 6px 10px;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%236366f1' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.btn-theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-theme-toggle:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

.nav-cta {
  border-radius: 8px !important;
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  min-height: 100vh;
}

.hero-bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  bottom: 10%;
  left: -80px;
  animation-delay: -3s;
}

.shape-3 {
  width: 200px;
  height: 200px;
  background: #a78bfa;
  top: 40%;
  right: 20%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-actions {
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Code window visual */
.hero-visual {
  position: relative;
}

.code-window {
  background: var(--bg-code);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.code-filename {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #94a3b8;
}

.code-window-body {
  padding: 24px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: #e2e8f0;
  overflow-x: auto;
}

.code-keyword { color: #c084fc; }
.code-var { color: #67e8f9; }
.code-string { color: #86efac; }

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  transition: color var(--transition);
}

.scroll-indicator:hover {
  color: var(--color-primary);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --------------------------------------------------------------------------
   7. About Section
   -------------------------------------------------------------------------- */
.about-image-wrapper {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  color: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.about-badge i {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.about-content .lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-highlights {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.highlight-item i {
  font-size: 1.5rem;
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 12px;
  border-radius: 10px;
  flex-shrink: 0;
}

.highlight-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.highlight-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* --------------------------------------------------------------------------
   8. Skills Section
   -------------------------------------------------------------------------- */
.skills-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.skills-card:hover {
  box-shadow: var(--shadow-md);
}

.skills-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.skill-item {
  margin-bottom: 20px;
}

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

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-percent {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.skill-bar {
  height: 8px;
  background: var(--bg-section);
  border-radius: 50px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: 50px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 48px;
}

.skill-tag {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.skill-tag:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   9. Experience Timeline
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

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

.timeline-marker {
  position: absolute;
  left: -34px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--color-primary);
  z-index: 1;
  transition: transform var(--transition);
}

.timeline-marker.current {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-content:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-company {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.timeline-role {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 500;
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-section);
  padding: 4px 12px;
  border-radius: 50px;
  white-space: nowrap;
}

.timeline-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text-secondary);
}

.timeline-list li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

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

/* --------------------------------------------------------------------------
   10. Plugin Cards
   -------------------------------------------------------------------------- */
.plugin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 28px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.plugin-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.plugin-icon {
  width: 52px;
  height: 52px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  transition: background var(--transition), color var(--transition);
}

.plugin-card:hover .plugin-icon {
  background: var(--color-primary);
  color: #fff;
}

.plugin-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.plugin-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.plugin-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   11. Project Cards
   -------------------------------------------------------------------------- */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.project-card-icon {
  font-size: 1.8rem;
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 12px;
  border-radius: 12px;
}

.project-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background: var(--bg-section);
  transition: all var(--transition);
}

.project-link:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   12. AI Tools Section
   -------------------------------------------------------------------------- */
.ai-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  height: 100%;
}

.ai-category-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ai-tool-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg-section);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: transform var(--transition), box-shadow var(--transition);
}

.ai-tool-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.ai-tool-item span {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.ai-tool-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.ai-tool-icon.chatgpt { background: #10a37f; }
.ai-tool-icon.claude { background: #d97706; }
.ai-tool-icon.gemini { background: #4285f4; }
.ai-tool-icon.deepseek { background: #1d4ed8; }
.ai-tool-icon.cursor { background: #6366f1; }
.ai-tool-icon.antigravity { background: #7c3aed; }
.ai-tool-icon.windsurf { background: #0891b2; }
.ai-tool-icon.vscode { background: #0078d4; }

/* --------------------------------------------------------------------------
   13. Resume CTA
   -------------------------------------------------------------------------- */
.resume-cta-section {
  padding: 60px 0;
}

.resume-cta-card {
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  padding: 60px 40px;
  color: #fff;
}

.resume-cta-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.9;
}

.resume-cta-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.resume-cta-card p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.resume-cta-card .btn-primary {
  --bs-btn-bg: #fff;
  --bs-btn-border-color: #fff;
  --bs-btn-color: var(--color-primary);
  --bs-btn-hover-bg: #f1f5f9;
  --bs-btn-hover-border-color: #f1f5f9;
  --bs-btn-hover-color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   14. Contact Section
   -------------------------------------------------------------------------- */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 0;
  font-weight: 500;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.contact-form .form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.contact-form .form-control {
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form .form-control:focus {
  background: var(--bg-section);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  color: var(--text-primary);
}

.contact-form .form-control::placeholder {
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
}

.footer-brand {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.footer-social {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.footer-social a {
  width: 44px;
  height: 44px;
  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);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   16. Scroll to Top Button
   -------------------------------------------------------------------------- */
.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

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

.scroll-top-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   17. Scroll Animations
   -------------------------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   18. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  :root {
    --section-padding: 70px;
  }

  .navbar-collapse {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-top: 12px;
  }

  .nav-link.active::after {
    display: none;
  }

  .hero-stats {
    gap: 24px;
  }

  .timeline {
    padding-left: 32px;
  }

  .timeline-marker {
    left: -26px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-padding: 60px;
  }

  .hero-actions .btn {
    display: block;
    width: 100%;
    margin-right: 0 !important;
  }

  .timeline-header {
    flex-direction: column;
  }

  .ai-tools-grid {
    grid-template-columns: 1fr;
  }

  .resume-cta-card {
    padding: 40px 24px;
  }

  .scroll-top-btn {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 575.98px) {
  .skill-tags {
    gap: 8px;
  }

  .skill-tag {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
}

/* --------------------------------------------------------------------------
   19. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}