@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ================= RESET & BASE ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #3b82f6;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --dark-bg: #0a0e1a;
  --card-bg: #111827;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --border-color: rgba(59, 130, 246, 0.1);
  --gradient-1: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-2: linear-gradient(135deg, #06b6d4, #3b82f6);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

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

/* Animated background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.08), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08), transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05), transparent 50%);
  z-index: -1;
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* ================= NAVBAR ================= */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

#header.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar {
  width: 100%;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: translateY(-2px);
}

.logo-icon {
  font-size: 1.5rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.logo-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s ease;
}

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

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

.nav-cta {
  background: var(--gradient-1);
  padding: 0.6rem 1.5rem !important;
  border-radius: 50px;
  color: white !important;
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

.hero-content {
  max-width: 1200px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  color: var(--primary-color);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2rem;
  animation: fadeInDown 1s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease 0.2s both;
}

.highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease 0.4s both;
}

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

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.8s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(59, 130, 246, 0.5);
  color: var(--primary-color);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

.hero-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
  animation: fadeInUp 1s ease 1s both;
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--primary-color);
  font-size: 1.25rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--gradient-1);
  color: white;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* Floating illustration cards */
.hero-illustration {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.floating-card {
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(59, 130, 246, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.card-2 {
  top: 60%;
  right: 15%;
  animation-delay: 1s;
}

.card-3 {
  bottom: 20%;
  left: 15%;
  animation-delay: 2s;
}

/* ================= SECTIONS ================= */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-label {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

/* ================= ABOUT SECTION ================= */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.1);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-image-wrapper {
  position: relative;
  aspect-ratio: 1;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ================= EXPERTISE SECTION ================= */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.expertise-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.expertise-card:hover::before {
  opacity: 0.05;
}

.expertise-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.card-icon {
  width: 70px;
  height: 70px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.expertise-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.expertise-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  position: relative;
  z-index: 1;
}

.skill-tags li {
  background: rgba(59, 130, 246, 0.1);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--primary-color);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ================= EDUCATION SECTION ================= */
.education-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-1);
}

.timeline-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  background: var(--card-bg);
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  z-index: 2;
}

.timeline-content {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateX(10px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  display: inline-block;
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.timeline-institution {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-institution i {
  color: var(--primary-color);
  font-size: 1.125rem;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* Education Highlights */
.education-highlights {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: all 0.3s ease;
}

.highlight-item:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: translateX(5px);
}

.highlight-item i {
  color: var(--primary-color);
  font-size: 1rem;
}

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

/* Certificates Grid */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.certificate-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.certificate-item:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.certificate-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.cert-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cert-details strong {
  color: var(--text-primary);
  font-size: 1rem;
}

.cert-details span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Skill Progress Bars */
.skill-progress {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.progress-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 10px;
  transition: width 1.5s ease;
  position: relative;
  animation: progressAnimation 2s ease-out;
}

@keyframes progressAnimation {
  from {
    width: 0 !important;
  }
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ================= PROJECTS SECTION ================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s ease;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.project-image {
  height: 200px;
  background: var(--gradient-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.3);
}

.project-content {
  padding: 2rem;
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.project-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-tags span {
  background: rgba(59, 130, 246, 0.1);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--primary-color);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ================= CONTACT SECTION ================= */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-details {
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.contact-item i {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--primary-color);
}

.contact-social h4 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.social-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.social-btn i {
  font-size: 1.5rem;
}

.social-btn.github {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border-color: rgba(255, 255, 255, 0.1);
}

.social-btn.github:hover {
  background: #333;
  transform: translateY(-3px);
}

.social-btn.linkedin {
  background: rgba(10, 102, 194, 0.1);
  color: #0a66c2;
  border-color: rgba(10, 102, 194, 0.3);
}

.social-btn.linkedin:hover {
  background: #0a66c2;
  color: white;
  transform: translateY(-3px);
}

.social-btn.twitter {
  background: rgba(29, 155, 240, 0.1);
  color: #1d9bf0;
  border-color: rgba(29, 155, 240, 0.3);
}

.social-btn.twitter:hover {
  background: #1d9bf0;
  color: white;
  transform: translateY(-3px);
}

.social-btn.instagram {
  background: linear-gradient(45deg, rgba(225, 48, 108, 0.1), rgba(247, 119, 55, 0.1));
  color: #e1306c;
  border-color: rgba(225, 48, 108, 0.3);
}

.social-btn.instagram:hover {
  background: linear-gradient(45deg, #e1306c, #f77737);
  color: white;
  transform: translateY(-3px);
}

/* ================= CONTACT FORM ================= */
.contact-form-wrapper {
  position: relative;
}

.form-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  padding: 2rem;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.form-overlay-content {
  text-align: center;
  max-width: 400px;
  animation: slideUp 0.6s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-overlay-content i {
  font-size: 4rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  display: block;
  animation: pulse 2s ease-in-out infinite;
}

.form-overlay-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.form-overlay-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.form-overlay-content .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 50px;
  background: var(--gradient-1);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.form-overlay-content .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-overlay-content .btn:hover::before {
  opacity: 1;
}

.form-overlay-content .btn i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.form-overlay-content .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.form-overlay-content .btn:hover i {
  transform: translateX(2px);
}

.form-overlay-content .btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
}

.contact-form.form-disabled {
  filter: blur(3px);
  pointer-events: none;
  user-select: none;
}

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

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group label i {
  color: var(--primary-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  margin-top: 1rem;
}

/* ================= FOOTER ================= */
.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-contact p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .certificates-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }
  
  .menu-toggle {
    display: flex;
    z-index: 1001;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    transition: right 0.3s ease;
    border-left: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
  }
  
  .hero {
    padding: 5rem 1.5rem 3rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .floating-card {
    display: none;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .social-buttons {
    grid-template-columns: 1fr;
  }
  
  .education-timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    gap: 1rem;
  }
  
  .timeline-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .form-overlay-content {
    padding: 1rem;
  }
  
  .form-overlay-content i {
    font-size: 3rem;
  }
  
  .form-overlay-content h3 {
    font-size: 1.5rem;
  }
  
  .form-overlay-content p {
    font-size: 0.9rem;
  }
  
  section {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-social {
    flex-wrap: wrap;
  }
  
  .expertise-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ================= ANIMATIONS ================= */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-1);
  border-radius: 5px;
}

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