/* ==================== Variables ==================== */
:root {
  --primary: #0077B6;
  --primary-dark: #023E8A;
  --cyan: #90E0EF;
  --pale: #CAF0F8;
  --bg: #010E1A;
  --bg-2: #011627;
  --card: rgba(1, 38, 70, 0.55);
  --card-border: rgba(0, 119, 182, 0.2);
  --card-border-hover: rgba(0, 119, 182, 0.55);
  --text: #CAF0F8;
  --text-muted: #8ecae6;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 119, 182, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 119, 182, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.portfolio-container { position: relative; z-index: 1; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== Scroll Progress ==================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--cyan));
  z-index: 9999;
  transition: width 0.08s linear;
}

/* ==================== Cursor Glow ==================== */
.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 119, 182, 0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  will-change: transform;
}

/* ==================== Navbar ==================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(1, 14, 26, 0.88);
  border-bottom: 1px solid rgba(0, 119, 182, 0.12);
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: rgba(0, 119, 182, 0.25);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 55%; }
.nav-links a.active { color: var(--text); }

.language-switcher {
  display: flex;
  gap: 3px;
  background: rgba(0, 119, 182, 0.07);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  flex-shrink: 0;
}

.lang-btn {
  padding: 0.3rem 0.65rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--primary); color: white; }

/* ==================== Hero ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 80px;
  position: relative;
  overflow: hidden;
}

/* Radial glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 119, 182, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  background: rgba(81, 207, 102, 0.08);
  border: 1px solid rgba(81, 207, 102, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  color: #7dd87f;
  font-weight: 500;
  margin-bottom: 1.75rem;
  letter-spacing: 0.2px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: #51cf66;
  border-radius: 50%;
  animation: pulse-dot 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(81, 207, 102, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 5px rgba(81, 207, 102, 0); }
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 1.1rem;
  letter-spacing: -2px;
  color: var(--text);
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-weight: 400;
  display: block;
}

.hero-description {
  font-size: 0.97rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 480px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.hero-meta span {
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Hero right — stats */
.hero-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
}

.hero-stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.4rem 1.25rem;
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.hero-stat-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 119, 182, 0.12);
}

.hero-stat-card.featured-stat {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(2, 62, 138, 0.3), rgba(0, 119, 182, 0.15));
  border-color: rgba(0, 119, 182, 0.35);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.3rem;
  letter-spacing: -1px;
}

.hero-stat-card.featured-stat .stat-value {
  font-size: 1.5rem;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.3;
}

/* ==================== Buttons ==================== */
.btn {
  padding: 0.75rem 1.6rem;
  border: none;
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.2px;
}

.btn-primary {
  background: var(--primary);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0, 119, 182, 0.4);
}

.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border-hover);
}

.btn-secondary:hover {
  background: rgba(0, 119, 182, 0.08);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ==================== Sections ==================== */
.section {
  padding: 7rem 24px;
  position: relative;
}

.section-header {
  margin-bottom: 3rem;
}

.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--primary);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-eyebrow::after {
  content: '';
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent);
}

.section-title {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1.15;
  background: none;
  -webkit-text-fill-color: var(--text);
}

/* ==================== About ==================== */
.about-section {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(1, 22, 39, 0.6) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

.about-story h3,
.about-vision h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.about-story p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.85;
  font-size: 0.97rem;
}

.personality-traits h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.traits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.trait {
  padding: 0.55rem 0.9rem;
  background: rgba(0, 119, 182, 0.07);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
}

.trait:hover {
  background: rgba(0, 119, 182, 0.15);
  border-color: var(--primary);
  transform: translateX(3px);
}

.quick-info {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.info-item {
  padding: 0.875rem 1.125rem;
  background: rgba(0, 119, 182, 0.04);
  border-left: 2px solid var(--primary);
  border-radius: 0 10px 10px 0;
  transition: var(--transition);
}

.info-item:hover {
  background: rgba(0, 119, 182, 0.09);
}

.info-item .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--primary);
  font-weight: 700;
  display: block;
  margin-bottom: 0.4rem;
}

.info-item div {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.6;
}

.info-item div span { display: inline-block; margin-right: 0.4rem; }

.about-vision {
  position: sticky;
  top: 90px;
}

.vision-box.featured-vision {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  text-align: left;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  width: 100%;
  height: auto;
}

.vision-box.featured-vision::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--cyan));
}

.vision-box.featured-vision h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 0.875rem;
  letter-spacing: -0.2px;
}

.vision-box.featured-vision p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.vision-box.featured-vision:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 119, 182, 0.15);
}

/* ==================== Skills ==================== */
.skills-section { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.125rem;
}

.skill-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.6rem;
  backdrop-filter: blur(20px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.skill-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 119, 182, 0.13);
}

.skill-card:hover::before { opacity: 1; }

.skill-icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  display: block;
}

.skill-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.2px;
}

.skill-card > p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 1.1rem;
  line-height: 1.6;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tech-tag {
  padding: 0.28rem 0.6rem;
  background: rgba(0, 119, 182, 0.1);
  border: 1px solid rgba(0, 119, 182, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 500;
  transition: var(--transition);
}

.tech-tag:hover {
  background: rgba(0, 119, 182, 0.22);
  border-color: var(--primary);
}

/* ==================== Projects ==================== */
.projects-section {
  background: linear-gradient(180deg, rgba(1, 22, 39, 0.5) 0%, var(--bg) 100%);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.375rem;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card.featured {
  border-color: rgba(144, 224, 239, 0.22);
}

.project-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-7px);
  box-shadow: 0 28px 70px rgba(0, 119, 182, 0.16);
}

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

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 0.875rem;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.3;
  letter-spacing: -0.3px;
}

.project-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.feature-badge {
  padding: 0.22rem 0.6rem;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-card p {
  color: var(--text-muted);
  margin-bottom: 0.875rem;
  line-height: 1.75;
  font-size: 0.9rem;
}

.project-sections {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
  margin-bottom: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, margin-bottom 0.35s ease;
}

.project-sections.open {
  opacity: 1;
  margin-bottom: 0.75rem;
}

.project-section h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.project-section ul {
  list-style: none;
  padding: 0;
}

.project-section li {
  color: var(--text-muted);
  padding-left: 1.2rem;
  margin-bottom: 0.3rem;
  font-size: 0.86rem;
  position: relative;
  line-height: 1.55;
  transition: color 0.3s;
}

.project-section li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.72rem;
  top: 2px;
}

.project-card:hover .project-section li { color: var(--text); }

.project-section p {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.6;
  margin: 0;
}

.tech-used {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0, 119, 182, 0.12);
}

.expand-btn {
  margin-top: 0.75rem;
  padding: 0.6rem 1.2rem;
  background: transparent;
  border: 1px solid var(--card-border-hover);
  color: var(--text-muted);
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
  letter-spacing: -0.1px;
}

.expand-btn:hover {
  background: rgba(0, 119, 182, 0.1);
  border-color: var(--primary);
  color: var(--text);
  transform: translateY(-1px);
}

.expand-btn.expanded {
  background: rgba(0, 119, 182, 0.12);
  border-color: var(--primary);
  color: var(--cyan);
}

/* ==================== Experience Timeline ==================== */
.experience-section { background: var(--bg); }

.experience-timeline {
  position: relative;
  padding-left: 2rem;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--primary), rgba(0, 119, 182, 0.1));
}

.experience-item {
  padding: 1.875rem;
  margin-bottom: 1.25rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(20px);
}

.experience-item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 1.75rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.2);
  transition: var(--transition);
}

.experience-item:hover {
  border-color: var(--card-border-hover);
  transform: translateX(6px);
  box-shadow: 0 14px 40px rgba(0, 119, 182, 0.1);
}

.experience-item:hover::before {
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.15);
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.experience-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.15rem;
  letter-spacing: -0.3px;
}

.experience-company {
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.9rem;
}

.experience-duration {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(0, 119, 182, 0.07);
  padding: 0.28rem 0.7rem;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  white-space: nowrap;
}

.experience-description {
  color: var(--text-muted);
  margin-bottom: 0.875rem;
  line-height: 1.75;
  font-size: 0.9rem;
}

.highlights-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.highlights-list li {
  color: var(--text-muted);
  padding-left: 1.2rem;
  font-size: 0.86rem;
  position: relative;
  line-height: 1.55;
  transition: color 0.3s;
}

.highlights-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.72rem;
  top: 2px;
}

.experience-item:hover .highlights-list li { color: var(--text); }

/* ==================== Footer ==================== */
.footer {
  background: rgba(1, 8, 15, 0.98);
  border-top: 1px solid var(--card-border);
  padding: 3rem 24px;
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--text);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: -0.2px;
}

.social-links {
  display: flex;
  gap: 0.625rem;
  justify-content: center;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(0, 119, 182, 0.07);
  border: 1px solid var(--card-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0;
}

.social-link::before {
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-link[href*="mailto"]::before { content: "✉"; font-size: 15px; color: var(--text-muted); }
.social-link[href*="linkedin"]::before, .social-link[title="LinkedIn"]::before { content: "in"; font-size: 13px; font-weight: 800; color: var(--text-muted); }
.social-link[href*="github"]::before, .social-link[title="GitHub"]::before { content: "⚡"; font-size: 14px; color: var(--text-muted); }

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 119, 182, 0.35);
}

.social-link:hover::before { color: white; }

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 119, 182, 0.1);
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ==================== Scroll Animations ==================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(22px);
}

.animate-on-scroll.animate-in {
  animation: fadeUp 0.65s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.skill-card:nth-child(1).animate-in { animation-delay: 0s; }
.skill-card:nth-child(2).animate-in { animation-delay: 0.07s; }
.skill-card:nth-child(3).animate-in { animation-delay: 0.14s; }
.skill-card:nth-child(4).animate-in { animation-delay: 0.21s; }

.project-card:nth-child(1).animate-in { animation-delay: 0s; }
.project-card:nth-child(2).animate-in { animation-delay: 0.09s; }
.project-card:nth-child(3).animate-in { animation-delay: 0.18s; }

.experience-item:nth-child(1).animate-in { animation-delay: 0s; }
.experience-item:nth-child(2).animate-in { animation-delay: 0.09s; }

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0, 119, 182, 0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ==================== Responsive ==================== */
@media (max-width: 1100px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; max-width: 700px; }
  .hero-right {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
  }
  .hero-stat-card.featured-stat { grid-column: span 2; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 88px 20px 60px; }
  .section { padding: 5rem 20px; }
  .about-content { grid-template-columns: 1fr; }
  .about-vision { position: static; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .traits-grid { grid-template-columns: 1fr 1fr; }
  .hero-right { grid-template-columns: 1fr 1fr; }
  .hero-stat-card.featured-stat { grid-column: span 2; }
  .experience-timeline { padding-left: 1.5rem; }
  .experience-item::before { left: -1.9rem; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .quick-info { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-right { grid-template-columns: 1fr; }
  .hero-stat-card.featured-stat { grid-column: span 1; }
  .traits-grid { grid-template-columns: 1fr; }
}