/* =====================================================
   PORTFOLIO - Venkata Balaji Ananthagari
   Design: Dark Theme | Purple/Cyan Glassmorphism
   ===================================================== */

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

/* ── CSS Variables ── */
:root {
  --bg-primary:    #050510;
  --bg-secondary:  #0a0a1f;
  --bg-card:       rgba(255,255,255,0.04);
  --glass:         rgba(255,255,255,0.06);
  --glass-border:  rgba(255,255,255,0.10);
  --purple:        #7c3aed;
  --purple-light:  #a855f7;
  --cyan:          #06b6d4;
  --cyan-light:    #22d3ee;
  --pink:          #ec4899;
  --green:         #10b981;
  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --gradient-1:    linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --gradient-2:    linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  --gradient-3:    linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
  --shadow-glow:   0 0 40px rgba(124,58,237,0.3);
  --shadow-card:   0 8px 32px rgba(0,0,0,0.4);
  --radius:        16px;
  --radius-sm:     10px;
  --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: var(--purple) var(--bg-secondary); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── Particle Canvas ── */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── Noise Overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(5,5,16,0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  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);
  border-radius: 1px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 9px 22px;
  background: var(--gradient-1);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: white !important;
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(124,58,237,0.4);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 0 30px rgba(124,58,237,0.6); }
.nav-cta::after { display: none !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

.mobile-menu { display: none; }

/* ── Hero Section ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: rgba(124,58,237,0.15); top: -100px; right: -100px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: rgba(6,182,212,0.12); bottom: 0; left: -100px; animation-delay: 3s; }
.orb-3 { width: 300px; height: 300px; background: rgba(236,72,153,0.08); top: 40%; right: 20%; animation-delay: 6s; }

@keyframes float { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(20px,-20px) scale(1.05); } }

.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: 6px 16px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--purple-light);
  margin-bottom: 20px;
  animation: fadeInDown 0.8s ease both;
}
.hero-badge .dot { width:7px; height:7px; background: var(--green); border-radius:50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.4); } }

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero-title .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cyan-light);
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
  font-family: 'Space Grotesk', sans-serif;
}
.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 36px;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--gradient-1);
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(124,58,237,0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(124,58,237,0.6); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border: 1.5px solid var(--glass-border);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--glass);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--purple-light); color: var(--purple-light); transform: translateY(-3px); }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  animation: fadeInUp 0.8s ease 0.5s both;
}
.stat-item { text-align: left; }
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }

/* ── Hero Image Card ── */
.hero-image-side {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInRight 0.8s ease 0.3s both;
}
.avatar-container {
  position: relative;
  width: 340px;
  height: 340px;
}
.avatar-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--purple), var(--cyan), var(--pink), var(--purple));
  animation: spin 6s linear infinite;
  filter: blur(2px);
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.avatar-ring-inner {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: var(--bg-primary);
}
.avatar-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 4px solid var(--bg-primary);
}
.avatar-float-card {
  position: absolute;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  box-shadow: var(--shadow-card);
  animation: float 4s ease-in-out infinite;
}
.float-card-1 { bottom: 20px; left: -60px; animation-delay: 0s; }
.float-card-2 { top: 30px; right: -50px; animation-delay: 2s; }
.float-icon { font-size: 1.4rem; }
.float-text { font-size: 0.78rem; }
.float-text strong { display: block; font-weight: 700; color: var(--text-primary); font-size: 0.85rem; }
.float-text span { color: var(--text-muted); }

.social-links {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
}
.social-link {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.social-link:hover { background: var(--purple); border-color: var(--purple); transform: translateY(-4px); }

/* ── Section Base ── */
section { padding: 100px 0; position: relative; z-index: 1; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--purple-light);
  margin-bottom: 12px;
}
.section-tag::before, .section-tag::after {
  content: '';
  height: 1px;
  width: 30px;
  background: var(--purple-light);
  opacity: 0.5;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-title .accent { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc { color: var(--text-secondary); font-size: 1.05rem; max-width: 550px; }
.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }
.section-header.center .section-tag { justify-content: center; }

/* ── About Section ── */
#about { background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.03) 50%, transparent 100%); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-1);
}
.about-text { font-size: 1.0rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-item { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.info-icon { font-size: 1.1rem; }
.info-label { color: var(--text-muted); min-width: 80px; }
.info-value { color: var(--text-primary); font-weight: 500; }
.info-value a:hover { color: var(--cyan-light); }
.about-highlights { display: flex; flex-direction: column; gap: 20px; }
.highlight-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.highlight-card:hover { border-color: var(--purple); transform: translateX(6px); }
.highlight-icon { font-size: 2rem; flex-shrink: 0; }
.highlight-title { font-weight: 700; margin-bottom: 4px; font-size: 1rem; }
.highlight-desc { font-size: 0.875rem; color: var(--text-secondary); }

/* ── Skills Section ── */
#skills { background: linear-gradient(180deg, transparent 0%, rgba(6,182,212,0.03) 50%, transparent 100%); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.skill-category {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-category::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}
.skill-category:hover { border-color: var(--purple); transform: translateY(-6px); box-shadow: 0 20px 40px rgba(124,58,237,0.2); }
.skill-cat-icon { font-size: 2rem; margin-bottom: 12px; }
.skill-cat-title { font-weight: 700; font-size: 1.0rem; margin-bottom: 16px; color: var(--text-primary); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1.5px solid;
  transition: var(--transition);
}
.tag-purple { background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.4); color: var(--purple-light); }
.tag-cyan   { background: rgba(6,182,212,0.12);  border-color: rgba(6,182,212,0.4);  color: var(--cyan-light); }
.tag-pink   { background: rgba(236,72,153,0.12); border-color: rgba(236,72,153,0.4); color: #f472b6; }
.tag-green  { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.4); color: #34d399; }
.skill-tag:hover { transform: scale(1.05); }
.skill-bar-wrap { margin-top: 12px; }
.skill-bar-label { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 6px; }
.skill-bar-track { height: 5px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.skill-bar-fill { height: 100%; border-radius: 3px; background: var(--gradient-1); transform: scaleX(0); transform-origin: left; transition: transform 1.2s cubic-bezier(0.4,0,0.2,1); }
.skill-bar-fill.animated { transform: scaleX(1); }

/* ── Projects Section ── */
#projects { background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.03) 50%, transparent 100%); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 28px; }
.project-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}
.project-card:hover { border-color: var(--purple); transform: translateY(-8px); box-shadow: 0 24px 48px rgba(124,58,237,0.2); }
.project-header {
  padding: 28px 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.project-emoji { font-size: 2.5rem; flex-shrink: 0; }
.project-links { display: flex; gap: 10px; }
.project-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  color: var(--text-secondary);
}
.project-link:hover { background: var(--purple); border-color: var(--purple); color: white; }
.project-body { padding: 16px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.project-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.project-tagline { font-size: 0.8rem; color: var(--cyan-light); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.project-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.project-features { margin-bottom: 20px; }
.project-feature { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); padding: 4px 0; }
.project-feature::before { content: '▸'; color: var(--cyan-light); flex-shrink: 0; font-size: 0.75rem; margin-top: 2px; }
.project-stack { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.stack-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
}
.project-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--glass-border); }
.project-status { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; }
.status-live { color: var(--green); }
.status-dot-live { background: var(--green); animation: pulse 2s infinite; }
.status-dev { color: var(--cyan-light); }
.status-dot-dev { background: var(--cyan-light); }
.project-year { font-size: 0.78rem; color: var(--text-muted); }

/* ── Experience Section ── */
#experience { background: linear-gradient(180deg, transparent 0%, rgba(6,182,212,0.03) 50%, transparent 100%); }
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--purple), var(--cyan), transparent);
  border-radius: 1px;
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-dot {
  position: absolute;
  left: -36px;
  top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--gradient-1);
  box-shadow: 0 0 12px rgba(124,58,237,0.6);
  border: 3px solid var(--bg-primary);
}
.timeline-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.timeline-card:hover { border-color: var(--purple); transform: translateX(6px); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; }
.timeline-role { font-size: 1.05rem; font-weight: 700; }
.timeline-date {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--purple-light);
  white-space: nowrap;
}
.timeline-company { font-size: 0.9rem; color: var(--cyan-light); font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.company-logo { width: 32px; height: 32px; object-fit: contain; border-radius: 4px; background: white; padding: 2px; }
.company-logo-icon { font-size: 1.4rem; color: var(--purple-light); }
.timeline-points { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.timeline-points li { font-size: 0.9rem; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 8px; }
.timeline-points li::before { content: '→'; color: var(--purple-light); flex-shrink: 0; }

/* ── Education Section ── */
#education { background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.03) 50%, transparent 100%); }
.edu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.edu-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.edu-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
}
.edu-card.current::before { background: var(--gradient-1); }
.edu-card.inter::before { background: var(--gradient-2); }
.edu-card.school::before { background: var(--gradient-3); }
.edu-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.edu-icon { font-size: 1.8rem; margin-bottom: 14px; }
.edu-degree { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.edu-school { font-size: 0.9rem; color: var(--cyan-light); font-weight: 600; margin-bottom: 12px; }
.edu-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.edu-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid;
}
.badge-purple { background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.4); color: var(--purple-light); }
.badge-green  { background: rgba(16,185,129,0.15);  border-color: rgba(16,185,129,0.4);  color: #34d399; }
.badge-cyan   { background: rgba(6,182,212,0.15);   border-color: rgba(6,182,212,0.4);   color: var(--cyan-light); }

/* ── Certifications ── */
#certifications { background: linear-gradient(180deg, transparent 0%, rgba(6,182,212,0.03) 50%, transparent 100%); }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.cert-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.cert-card:hover { border-color: var(--cyan); transform: translateY(-4px); box-shadow: 0 16px 32px rgba(6,182,212,0.15); }
.cert-icon { font-size: 1.8rem; flex-shrink: 0; }
.cert-logo { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; background: white; border-radius: 4px; padding: 4px; }
.cert-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.cert-issuer { font-size: 0.82rem; color: var(--cyan-light); font-weight: 600; }

/* ── Contact Section ── */
#contact { background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.04) 50%, transparent 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.contact-item:hover { border-color: var(--purple); transform: translateX(6px); }
.contact-icon { font-size: 1.6rem; }
.contact-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.contact-value { font-size: 0.95rem; font-weight: 600; }
.contact-value a:hover { color: var(--cyan-light); }
.contact-form {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 36px;
  backdrop-filter: blur(10px);
}
.form-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(124,58,237,0.15); background: rgba(124,58,237,0.05); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,58,237,0.5); }

/* ── Footer ── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  position: relative;
  z-index: 1;
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 700; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-copy { font-size: 0.85rem; color: var(--text-muted); }
.footer-socials { display: flex; gap: 12px; }
.footer-social { font-size: 1.1rem; color: var(--text-muted); transition: var(--transition); }
.footer-social:hover { color: var(--purple-light); transform: translateY(-3px); }

/* ── Animations ── */
@keyframes fadeInUp   { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInRight{ from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-image-side { order: -1; }
  .avatar-container { width: 240px; height: 240px; }
  .float-card-1 { left: -20px; }
  .float-card-2 { right: -10px; }
  .social-links { position: static; transform: none; margin-top: 24px; justify-content: center; }
  nav .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 280px;
    background: rgba(10,10,31,0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: var(--transition);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .mobile-menu.open { transform: translateX(0); display: flex; }
  .mobile-menu a { font-size: 1.1rem; color: var(--text-secondary); font-weight: 500; }
  .mobile-menu a:hover { color: var(--text-primary); }
  .mobile-menu .nav-cta { display: inline-flex !important; margin-top: 16px; width: fit-content; }
}
@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .edu-grid, .cert-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}