/* ==================== RESET & BASE ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0a1a;
  color: #e0e0f0;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0a0a1a; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #6C63FF, #00D4AA); border-radius: 4px; }
::selection { background: rgba(108, 99, 255, 0.4); color: #fff; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ==================== CUSTOM PROPERTIES ==================== */
:root {
  --primary: #6C63FF;
  --primary-dark: #5a52e0;
  --secondary: #00D4AA;
  --accent: #F6C453;
  --accent-glow: rgba(246, 196, 83, 0.15);
  --bg-dark: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(108, 99, 255, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #b0b0c8;
  --text-muted: #6e6e8a;
  --gradient-1: linear-gradient(135deg, #6C63FF, #00D4AA);
  --gradient-2: linear-gradient(135deg, #6C63FF, #F6C453);
  --gradient-3: linear-gradient(135deg, #0a0a1a, #1a1a3e);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ==================== ANIMATED BACKGROUND ==================== */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* ==================== UTILITY ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.section {
  padding: 100px 0;
  position: relative;
}
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 20px;
}
.section-title .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255,255,255,0.15);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(108, 99, 255, 0.1);
  transform: translateY(-3px);
}
.btn-gold {
  background: linear-gradient(135deg, #F6C453, #E8A72E);
  color: #0a0a1a;
  box-shadow: 0 4px 20px rgba(246, 196, 83, 0.35);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(246, 196, 83, 0.5);
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-scale.visible {
  opacity: 1;
  transform: scale(1);
}
.stagger > * { transition-delay: calc(var(--i, 0) * 0.1s); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== NAVIGATION ==================== */
.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, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s ease;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--gradient-1);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.85rem;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.menu-toggle span {
  width: 28px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(108,99,255,0.08), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.06), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(108, 99, 255, 0.2);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  animation: pulse-dot 2s ease-in-out infinite;
}
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.hero h1 .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero h1 .gold-text {
  background: linear-gradient(135deg, #F6C453, #E8A72E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-avatar-frame {
  position: relative;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--gradient-1);
  padding: 4px;
  animation: float 6s ease-in-out infinite;
}
.hero-avatar-frame .inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-avatar-frame .inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.floating-card {
  position: absolute;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  animation: float 5s ease-in-out infinite;
}
.floating-card:nth-child(2) { top: 10%; right: -10%; animation-delay: -1s; }
.floating-card:nth-child(3) { bottom: 15%; left: -15%; animation-delay: -3s; }
.floating-card .icon { font-size: 1.2rem; }

/* ==================== ABOUT ==================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.about-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 0.9rem;
  font-weight: 500;
}
.about-highlight .check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.15);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}
.about-image-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.about-image-card .about-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.about-image-card .quote {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.3;
  font-family: serif;
  line-height: 0.5;
}
.about-image-card blockquote {
  font-style: italic;
  color: var(--text-secondary);
  margin: 16px 0;
  font-size: 1.05rem;
}
.about-image-card .author {
  font-weight: 600;
  color: var(--text-primary);
}
.about-image-card .role {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.about-image-card .brand-strip {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.about-image-card .brand-strip span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ==================== SKILLS ==================== */
.skills-header { margin-bottom: 48px; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.skill-card:hover::before { transform: scaleX(1); }
.skill-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.skill-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.skill-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.skill-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.skill-level {
  margin-top: 16px;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
}
.skill-level-bar {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-1);
  transition: width 1.2s ease;
  width: 0;
}

/* ==================== SERVICES ==================== */
.services-header { margin-bottom: 48px; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
  color: inherit;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(108, 99, 255, 0.03);
  transform: translate(40%, 40%);
  transition: var(--transition);
}
.service-card:hover::after {
  width: 200px; height: 200px;
  background: rgba(108, 99, 255, 0.06);
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-6px);
}
.service-icon {
  width: 64px; height: 64px;
  border-radius: 20px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.service-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== PROJECTS / SLIDER ==================== */
.projects-header { margin-bottom: 48px; }
.slider-container {
  position: relative;
  overflow: hidden;
}
.slider-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}
.slider-slide {
  min-width: calc(50% - 12px);
  flex-shrink: 0;
}
@media (max-width: 1024px) {
  .slider-slide { min-width: 100%; }
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.project-thumb {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-thumb img {
  transform: scale(1.08);
}
.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,10,26,0.6));
}
.project-body {
  padding: 24px;
}
.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.project-tags span {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid rgba(108, 99, 255, 0.15);
}
.project-body h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.project-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.project-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.project-link:hover { color: var(--secondary); }

/* Slider controls */
.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}
.slider-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
}
.slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}
.slider-dots {
  display: flex;
  gap: 8px;
}
.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active {
  background: var(--primary);
  width: 28px;
  border-radius: 5px;
}

/* ==================== AI TOOLS ==================== */
.tools-header { margin-bottom: 48px; }
.tools-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.tool-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.tool-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.tool-item .emoji {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.tool-item h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.tool-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==================== CERTIFICATIONS ==================== */
.certs-header { margin-bottom: 48px; }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}
.cert-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.cert-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(246, 196, 83, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--accent);
}
.cert-info h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.cert-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==================== TESTIMONIALS ==================== */
.testimonials-header { margin-bottom: 48px; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.testimonial-stars {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card blockquote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-author h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-author p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==================== CONTACT CTA ==================== */
.contact-section {
  background: linear-gradient(135deg, rgba(108,99,255,0.06), rgba(0,212,170,0.04));
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.contact-info h2 .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.contact-detail:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}
.contact-detail .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 500;
}
.contact-detail .value {
  font-weight: 600;
  color: var(--text-primary);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-form h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  background: rgba(108,99,255,0.06);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group select option { background: #1a1a3e; color: #e0e0f0; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==================== WHATSAPP BUTTON ==================== */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 96px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.whatsapp-float .whatsapp-tooltip {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  white-space: nowrap;
  pointer-events: none;
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}
.whatsapp-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  text-decoration: none;
  color: #fff;
  flex-shrink: 0;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border-light);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-brand h3 span { color: var(--primary); }
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.6;
}
.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-1);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(108,99,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.5);
}

/* ==================== LOADER ==================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-ring {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.06);
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-avatar-frame { width: 260px; height: 260px; }
  .floating-card { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-showcase { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .slider-slide { min-width: calc(100% - 0px); }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: rgba(10,10,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right 0.4s ease;
    box-shadow: -8px 0 32px rgba(0,0,0,0.5);
  }
  .nav-links.open { right: 0; }
  .menu-toggle { display: flex; }
  .section { padding: 60px 0; }
  .hero { padding: 100px 0 40px; }
  .hero h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat h3 { font-size: 1.4rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-form { padding: 28px 20px; }
  .about-highlights { grid-template-columns: 1fr; }
  .whatsapp-float { right: 24px; bottom: 96px; }
  .whatsapp-float .whatsapp-tooltip { display: none; }
  .back-to-top { right: 24px; bottom: 24px; }
}
@media (max-width: 480px) {
  .hero-avatar-frame { width: 200px; height: 200px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .tools-showcase { grid-template-columns: 1fr 1fr; }
  .slider-slide { min-width: 100%; }
}