:root {
  --bg-primary: #0A0A1A;
  --bg-secondary: #111125;
  --bg-card: rgba(17, 17, 37, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --text-primary: #F0F0FF;
  --text-secondary: #A0A0C0;
  --text-muted: #6B6B8D;
  --accent-1: #6C3CE1;
  --accent-2: #00D4FF;
  --accent-3: #FF3EA5;
  --accent-4: #00FF94;
  --accent-5: #FF8A00;
  --gradient-1: linear-gradient(135deg, #6C3CE1, #00D4FF);
  --gradient-2: linear-gradient(135deg, #FF3EA5, #FF8A00);
  --gradient-3: linear-gradient(135deg, #00D4FF, #00FF94);
  --gradient-bg: linear-gradient(135deg, rgba(108, 60, 225, 0.15), rgba(0, 212, 255, 0.08));
  --gradient-primary: linear-gradient(135deg, #6C3CE1, #00D4FF, #FF3EA5);
  --shadow-primary: 0 0 40px rgba(108, 60, 225, 0.3);
  --shadow-secondary: 0 0 40px rgba(0, 212, 255, 0.2);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-primary);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

.section {
  padding: 120px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 20px;
  background: var(--bg-glass);
  border: 1px solid rgba(108, 60, 225, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 16px;
  backdrop-filter: blur(10px);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-1);
  border-radius: 2px;
  margin: 20px auto 0;
}

#preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-ring {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: loaderPulse 1.5s ease-in-out infinite;
}

.loader-ring-inner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-primary);
}

.loader-text {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.loader-dots span {
  display: inline-block;
  animation: dotFade 1.5s ease-in-out infinite;
}
.loader-dots span:nth-child(1) { animation-delay: 0s; }
.loader-dots span:nth-child(2) { animation-delay: 0.3s; }
.loader-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
}

@keyframes dotFade {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 60, 225, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease-out;
}

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(108, 60, 225, 0.15);
  padding: 10px 0;
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-accent {
  color: var(--accent-2);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
  border-radius: 1px;
}

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

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

.nav-cta-btn {
  padding: 10px 24px;
  background: var(--gradient-1);
  border-radius: 100px;
  color: #fff !important;
  font-weight: 600;
  transition: var(--transition);
}

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

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108, 60, 225, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(255, 62, 165, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--accent-2);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  background: rgba(0, 212, 255, 0.05);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-4);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 148, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(0, 255, 148, 0); }
}

.hero-title {
  margin-bottom: 24px;
}

.hero-greeting {
  display: block;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-family: var(--font-primary);
}

.hero-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-type-wrapper {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-type-prefix {
  font-weight: 300;
}

.hero-type {
  font-weight: 600;
  color: var(--accent-2);
}

.hero-type-cursor {
  font-weight: 100;
  color: var(--accent-2);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

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

.hero-description {
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 60, 225, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(108, 60, 225, 0.45);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent-2);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-3px);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.hero-email {
  margin-bottom: 24px;
}

.hero-email a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.hero-email a:hover {
  color: var(--accent-2);
  border-color: rgba(0, 212, 255, 0.2);
}

.hero-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 1rem;
}

.social-link:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 30px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent-2);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: center;
}

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

.about-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gradient-bg);
  border: 1px solid rgba(108, 60, 225, 0.2);
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-placeholder {
  font-size: 6rem;
  color: rgba(108, 60, 225, 0.3);
}

.about-image-badge {
  position: absolute;
  bottom: -12px;
  right: -12px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 62, 165, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-3);
}

.about-image-badge i {
  font-size: 1.2rem;
}

.about-portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.about-image-frame:hover .about-portrait {
  transform: scale(1.03);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 8px 0 16px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  position: relative;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-2);
  display: inline;
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-2);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.skill-category:hover {
  border-color: rgba(108, 60, 225, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.skill-category-header i {
  font-size: 1.5rem;
  color: var(--accent-2);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.08);
}

.skill-category-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skill-item {
  width: 100%;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.skill-info span:first-child {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.skill-percent {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  font-weight: 500;
}

.skill-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-1);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.skill-tag {
  padding: 8px 18px;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: rgba(0, 212, 255, 0.2);
  color: var(--accent-2);
  transform: translateY(-2px);
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(20px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108, 60, 225, 0.15);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-bg);
  font-size: 1.4rem;
  color: var(--accent-2);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-1);
  color: #fff;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(108, 60, 225, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

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

.project-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
  transition: var(--transition-slow);
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.project-links {
  display: flex;
  gap: 16px;
}

.project-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #fff;
  font-size: 1.1rem;
  transition: var(--transition);
  transform: translateY(20px);
}

.project-card:hover .project-link {
  transform: translateY(0);
}

.project-link:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: var(--bg-primary);
}

.project-info {
  padding: 24px;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-3);
  margin-bottom: 8px;
  display: block;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  padding: 4px 12px;
  background: rgba(108, 60, 225, 0.1);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--accent-2);
}

.projects-cta {
  text-align: center;
  margin-top: 48px;
}

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

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.cert-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-bg);
  font-size: 1.3rem;
  color: var(--accent-2);
  transition: var(--transition);
}

.cert-card:hover .cert-icon {
  background: var(--gradient-1);
  color: #fff;
}

.cert-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}

.cert-org {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.achievements-wrapper {
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.achievements-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.achievements-title i {
  color: #FFD700;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.achievement-card {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.achievement-card:hover {
  border-color: rgba(255, 62, 165, 0.15);
  transform: translateY(-4px);
}

.achievement-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.1);
  font-size: 1.2rem;
  color: #FFD700;
}

.achievement-card h4 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

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

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

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-xl);
  padding: 48px;
  backdrop-filter: blur(20px);
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

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

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--gradient-bg);
  color: var(--accent-2);
  font-size: 1rem;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-value {
  font-weight: 500;
  color: var(--text-primary);
}

.contact-item a.contact-value:hover {
  color: var(--accent-2);
}

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--accent-1);
  background: rgba(108, 60, 225, 0.05);
  box-shadow: 0 0 0 3px rgba(108, 60, 225, 0.1);
}

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

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand .nav-logo {
  font-size: 1.6rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-2);
}

.footer-email-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-email-link:hover {
  border-color: rgba(0, 212, 255, 0.2);
  color: var(--accent-2);
}

.footer-bottom {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-1);
  border-radius: 50%;
  color: #fff;
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 100;
  box-shadow: var(--shadow-primary);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(108, 60, 225, 0.4);
}

.whatsapp-btn {
  position: fixed;
  bottom: 32px;
  right: 92px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  z-index: 100;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-btn:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.whatsapp-btn .whatsapp-tooltip {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  font-family: var(--font-primary);
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  right: 72px;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid rgba(108, 60, 225, 0.15);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-section {
    padding: 100px 20px 60px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-name {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .achievements-wrapper {
    padding: 32px 20px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-btn {
    bottom: 20px;
    right: 80px;
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
  }

  .whatsapp-btn .whatsapp-tooltip {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 60px 0;
  }

  .hero-name {
    font-size: 2.2rem;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 1.6rem;
  }

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

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