:root{
  --bg: #ffffff;
  --surface: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #ec4899;
  --glass: rgba(255,255,255,0.7);
  --card-radius: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,0.05), 0 10px 40px rgba(15,23,42,0.08);
  --shadow-lg: 0 20px 50px rgba(99,102,241,0.15);
  --container: 1200px;
  --gap: 1.5rem;
  --transition: 320ms cubic-bezier(0.4, 0, 0.2, 1);
  --blur: 12px;
  --max-width: 1400px;
  font-size: 16px;
  color-scheme: light;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.7;
  overflow-x:hidden;
}

/* Smooth gradient background */
body::before{
  content:'';
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:-1;
}

/* container */
.container{
  width: min(94%, var(--container));
  margin: 0 auto;
}

/* header */
.site-header{
  position: sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(var(--blur)) saturate(180%);
  background: rgba(255,255,255,0.8);
  border-bottom: 1px solid rgba(15,23,36,0.06);
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
  transition: all var(--transition);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:1rem;
  padding:1rem 0;
  max-width:var(--container);
  margin:0 auto;
  width:min(94%, var(--container));
}
.brand{
  font-weight:800;
  font-size:1.3rem;
  text-decoration:none;
  background:black;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-0.02em;
}
.nav{margin-left:auto}
.nav ul{display:flex;gap:0.5rem;list-style:none;padding:0;margin:0}
.nav a{
  display:inline-block;
  padding:10px 16px;
  border-radius:12px;
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  font-size:0.95rem;
  transition:all var(--transition);
  position:relative;
}
.nav a::before{
  content:'';
  position:absolute;
  bottom:6px;
  left:50%;
  transform:translateX(-50%) scaleX(0);
  width:20px;
  height:3px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius:999px;
  transition:transform var(--transition);
}
.nav a:hover{color:var(--accent);background:rgba(99,102,241,0.06)}
.nav a.active{color:var(--accent)}
.nav a.active::before{transform:translateX(-50%) scaleX(1)}
.header-actions{display:flex;gap:8px;align-items:center}
.menu-toggle{
  display:none;
  background:none;
  border:0;
  font-size:1.3rem;
  cursor:pointer;
  color:var(--text);
  padding:8px;
  border-radius:8px;
  transition:background var(--transition);
}
.menu-toggle:hover{background:rgba(99,102,241,0.06)}
#themeToggle{
  background:var(--surface);
  border:0;
  padding:10px 12px;
  border-radius:12px;
  font-size:1.1rem;
  cursor:pointer;
  transition:all var(--transition);
  box-shadow:0 1px 3px rgba(0,0,0,0.05);
}
#themeToggle:hover{transform:scale(1.05);box-shadow:var(--shadow)}

/* hero */
.hero{
  padding:6rem 0 5rem;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  top:-50%;
  right:-20%;
  width:600px;
  height:600px;
  border-radius:50%;
  filter:blur(60px);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:3rem;
  align-items:center;
  position:relative;
  z-index:1;
}
.eyebrow{
  margin:0 0 0.5rem;
  font-weight:600;
  font-size:1rem;
  letter-spacing:0.5px;
  text-transform:uppercase;
}
.display{
  font-size:3.5rem;
  margin:0 0 1rem;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.03em;
}
.display .accent{
  background:black;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.lead{
  color:var(--muted);
  max-width:50ch;
  font-size:1.15rem;
  line-height:1.8;
}
.hero-stats{
  display:flex;
  gap:1.5rem;
  margin:2rem 0;
  flex-wrap:wrap;
}
.stat{
  background:white;
  padding:1.25rem 1.5rem;
  border-radius:16px;
  box-shadow:var(--shadow);
  border:1px solid rgba(99,102,241,0.08);
  transition:all var(--transition);
}
.stat:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(99,102,241,0.2);
}
.stat-num{
  font-weight:800;
  font-size:2rem;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label{
  font-size:0.9rem;
  color:var(--muted);
  margin-top:0.25rem;
}
.hero-cta{
  display:flex;
  gap:1rem;
  margin-top:2rem;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:0.85rem 1.75rem;
  border-radius:12px;
  text-decoration:none;
  border:0;
  cursor:pointer;
  font-weight:600;
  font-size:1rem;
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.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 var(--transition);
}
.btn:hover::before{opacity:1}
.btn.primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  box-shadow:0 4px 20px rgba(99,102,241,0.3);
}
.btn.primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(99,102,241,0.4);
}
.btn.ghost{
  background:white;
  border:2px solid rgba(99,102,241,0.2);
  color:var(--text);
  box-shadow:var(--shadow);
}
.btn.ghost:hover{
  border-color:var(--accent);
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}

/* portrait */
.portrait{
  width: 500px;
  height: 500px;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.portrait-frame{
  width:340px;
  height:340px;
  border-radius:50%;
  position:relative;
  overflow:visible;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto;
}
.portrait-frame::before{
  content:'';
  position:absolute;
  inset:-20px;
  /* background:linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3)); */
  border-radius:50%;
  opacity:0.15;
  filter:blur(30px);
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{transform:scale(1);opacity:0.15}
  50%{transform:scale(1.1);opacity:0.25}
}


.portrait-initials{
  width:280px;
  height:280px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:5rem;
  color:white;
  background:linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index:3;
  box-shadow:0 20px 60px rgba(99,102,241,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
  position:relative;
  letter-spacing:-0.05em;
}
.portrait-initials::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:50%;
  padding:3px;
  background:linear-gradient(135deg, rgba(255,255,255,0.3), transparent);
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
}
.brush{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.3), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.2), transparent 30%);
  pointer-events:none;
}
.badge{
  margin-top:1.5rem;
  font-size:0.95rem;
  color:var(--muted);
  text-align:center;
  font-weight:500;
}

/* section */
.section{
  padding:5rem 0;
  position:relative;
}
.section.light{
  /* background:var(--surface); */
}
.container{
  width: min(94%, var(--container));
  margin: 0 auto;
}
.section-title{
  font-size:2.5rem;
  margin:0 0 0.5rem;
  font-weight:800;
  letter-spacing:-0.02em;
}
.section-sub{
  color:var(--muted);
  margin:0 0 2.5rem;
  font-size:1.15rem;
  max-width:60ch;
}

/* services */
.service-card-image{
  width: 100px;
  height :100px
}
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.5rem;
}
.service-card{
  padding:2rem;
  background:white;
  border-radius:var(--card-radius);
  box-shadow:var(--shadow);
  border:1px solid rgba(99,102,241,0.08);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--transition);
}
.service-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(99,102,241,0.2);
}
.service-card:hover::before{
  transform:scaleX(1);
}
.service-card .icon{
  font-size:2.5rem;
  margin-bottom:1rem;
  display:inline-block;
  transition:transform var(--transition);
}


.service-card:hover .icon{
  transform:scale(1.1);
}
.service-card h3{
  font-size:1.25rem;
  margin:0 0 0.75rem;
  font-weight:700;
}
.service-card p{
  color:var(--muted);
  line-height:1.7;
  margin:0;
}

/* about */
.about-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:2rem;
  align-items:start;
}
.card{
  background:white;
  padding:2rem;
  border-radius:var(--card-radius);
  box-shadow:var(--shadow);
  border:1px solid rgba(99,102,241,0.08);
  transition:all var(--transition);
}
.card:hover{
  box-shadow:var(--shadow-lg);
  border-color:rgba(99,102,241,0.15);
}
.card h3{
  margin:0 0 1rem;
  font-size:1.25rem;
  font-weight:700;
}
.card p{
  margin:0 0 0.75rem;
  color:var(--muted);
  line-height:1.8;
}

/* Quick Facts Card */
.quick-facts-card {
  background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(139,92,246,0.05) 100%);
  border: 1px solid rgba(99,102,241,0.12);
}
.quick-facts-card h3 {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}
.fact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 12px;
  margin-bottom: 0.75rem;
  transition: all var(--transition);
  border: 1px solid rgba(99,102,241,0.06);
}
.fact-item:last-child {
  margin-bottom: 0;
}
.fact-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.15);
}
.fact-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  width: 45px;
  height: 45px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(99,102,241,0.15);
}
.fact-item > div {
  flex: 1;
}
.fact-item strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.fact-item p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}
.fact-item a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}
.fact-item a:hover {
  color: var(--accent);
}

.skill-list{
  display:flex;
  gap:0.75rem;
  margin-top:1.5rem;
  flex-wrap:wrap;
  list-style:none;
}
.skill-list li{
  background:linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.06));
  padding:10px 18px;
  border-radius:999px;
  font-size:0.9rem;
  font-weight:600;
  color:var(--text);
  border:1px solid rgba(99,102,241,0.15);
  transition:all var(--transition);
}
.skill-list li:hover{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(99,102,241,0.3);
}

/* timeline */
.timeline{
  margin-top:2rem;
  border-left:3px solid rgba(99,102,241,0.2);
  padding-left:2rem;
}
.timeline-item{
  display:flex;
  gap:1.5rem;
  margin-bottom:2.5rem;
  position:relative;
}
.timeline-marker{
  width:16px;
  height:16px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  position:absolute;
  left:-2.6rem;
  top:8px;
  box-shadow:0 0 0 4px rgba(99,102,241,0.1), 0 2px 8px rgba(99,102,241,0.3);
  animation:markerPulse 2s ease-in-out infinite;
}
@keyframes markerPulse{
  0%, 100%{box-shadow:0 0 0 4px rgba(99,102,241,0.1), 0 2px 8px rgba(99,102,241,0.3)}
  50%{box-shadow:0 0 0 8px rgba(99,102,241,0.15), 0 4px 12px rgba(99,102,241,0.4)}
}
.timeline-content{
  flex:1;
  background:white;
  padding:1.5rem;
  border-radius:16px;
  box-shadow:var(--shadow);
  border:1px solid rgba(99,102,241,0.08);
  transition:all var(--transition);
}
.timeline-content:hover{
  transform:translateX(8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(99,102,241,0.2);
}
.timeline-content h4{
  margin:0 0 0.5rem;
  font-size:1.15rem;
  font-weight:700;
}
.muted{
  color:var(--muted);
  font-size:0.9rem;
  margin:0.25rem 0;
}
.timeline-content p:last-child{
  margin:0.75rem 0 0;
  line-height:1.7;
}

/* works */
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:2.5rem;
  flex-wrap:wrap;
  gap:1rem;
}
.filters{
  display:flex;
  gap:0.75rem;
  flex-wrap:wrap;
}
.filter-btn{
  padding:10px 20px;
  border-radius:999px;
  border:2px solid rgba(99,102,241,0.15);
  background:white;
  cursor:pointer;
  font-weight:600;
  font-size:0.95rem;
  color:var(--text);
  transition:all var(--transition);
}
.filter-btn:hover{
  border-color:var(--accent);
  background:rgba(99,102,241,0.05);
}
.filter-btn.active{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  border-color:transparent;
  box-shadow:0 4px 12px rgba(99,102,241,0.3);
}

.works-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:1.5rem;
}
.project-card{
  background:white;
  border-radius:var(--card-radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  cursor:pointer;
  transition:all var(--transition);
  border:1px solid rgba(99,102,241,0.08);
  position:relative;
}
.project-card::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08));
  opacity:0;
  transition:opacity var(--transition);
  z-index:1;
  pointer-events:none;
}
.project-card:hover{
  transform:translateY(-12px);
  box-shadow:0 20px 50px rgba(99,102,241,0.2);
  border-color:rgba(99,102,241,0.2);
}
.project-card:hover::before{
  opacity:1;
}
.project-thumb{
  height:200px;
  background:linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08), rgba(236,72,153,0.06));
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.project-thumb::after{
  content:'→';
  position:absolute;
  font-size:2rem;
  color:white;
  background:rgba(99,102,241,0.9);
  width:60px;
  height:60px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transform:scale(0.5);
  transition:all var(--transition);
}
.project-card:hover .project-thumb::after{
  opacity:1;
  transform:scale(1);
}
.project-body{
  padding:1.5rem;
  position:relative;
  z-index:2;
}
.project-body h4{
  margin:0 0 0.5rem;
  font-size:1.1rem;
  font-weight:700;
}

/* Project Link */
.project-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.95), rgba(139,92,246,0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
}

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

.view-project {
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  transform: translateY(10px);
  transition: transform var(--transition);
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

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

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* testimonials */
.testimonials{
  display:flex;
  gap:1.5rem;
  align-items:center;
  justify-content:space-between;
  margin-top:2rem;
}
.testimonial-slider{
  flex:1;
  overflow:hidden;
  position:relative;
  min-height:180px;
  border-radius:var(--card-radius);
}
.testimonial{
  min-width:100%;
  transition:transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:2.5rem;
  background:white;
  border-radius:var(--card-radius);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(99,102,241,0.1);
  position:relative;
}
.testimonial::before{
  content:'"';
  position:absolute;
  top:1rem;
  left:1.5rem;
  font-size:5rem;
  color:rgba(99,102,241,0.1);
  font-family:Georgia, serif;
  line-height:1;
}
.testimonial p{
  font-size:1.1rem;
  line-height:1.8;
  margin:0 0 1rem;
  font-style:italic;
  color:var(--text);
}
.testimonial footer{
  font-weight:600;
  color:var(--accent);
  font-style:normal;
}
.testimonial-controls{
  display:flex;
  gap:0.75rem;
}
.testimonial-controls button{
  background:white;
  border:2px solid rgba(99,102,241,0.15);
  padding:12px 16px;
  border-radius:12px;
  cursor:pointer;
  font-size:1.2rem;
  transition:all var(--transition);
  color:var(--text);
  font-weight:700;
  box-shadow:var(--shadow);
}
.testimonial-controls button:hover{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  border-color:transparent;
  transform:scale(1.05);
  box-shadow:var(--shadow-lg);
}

/* contact */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:2.5rem;
  align-items:start;
}
.contact-list{
  list-style:none;
  margin:2rem 0;
  padding:0;
}
.contact-list li{
  margin-bottom:1rem;
  font-size:1.05rem;
}
.contact-list a{
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
  transition:all var(--transition);
}
.contact-list a:hover{
  color:var(--accent-2);
  text-decoration:underline;
}
.contact-form{
  background:white;
  padding:2.5rem;
  border-radius:var(--card-radius);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(99,102,241,0.1);
}
.contact-form label{
  display:block;
  margin-bottom:1.5rem;
}
.contact-form label span{
  display:block;
  margin-bottom:0.5rem;
  font-weight:600;
  color:var(--text);
}
.contact-form input,
.contact-form textarea{
  width:100%;
  padding:0.9rem 1rem;
  border-radius:12px;
  border:2px solid rgba(99,102,241,0.15);
  font-family:inherit;
  font-size:1rem;
  transition:all var(--transition);
  background:var(--surface);
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--accent);
  background:white;
  box-shadow:0 0 0 4px rgba(99,102,241,0.1);
}
.contact-form textarea{
  resize:vertical;
  min-height:120px;
}
.contact-form button[type="submit"]{
  width:100%;
  margin-top:0.5rem;
}

/* footer */
.site-footer{
  padding:2rem 0;
  margin-top:4rem;
  border-top:1px solid rgba(99,102,241,0.1);
  background:transparent;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1rem;
}
.footer-inner > div:first-child{
  color:var(--muted);
  font-weight:500;
}
.socials{
  display:flex;
  gap:0.75rem;
}
.socials a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  background:white;
  border:2px solid rgba(99,102,241,0.15);
  color:var(--text);
  text-decoration:none;
  font-weight:700;
  transition:all var(--transition);
  box-shadow:var(--shadow);
}
.socials a:hover{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  border-color:transparent;
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}

/* scroll to top */
.scroll-top{
  position:fixed;
  right:24px;
  bottom:24px;
  border:0;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;
  width:56px;
  height:56px;
  border-radius:50%;
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(99,102,241,0.3);
  font-size:1.5rem;
  transition:all var(--transition);
  z-index:99;
  opacity:0;
}
.scroll-top:hover{
  transform:translateY(-4px) scale(1.05);
  box-shadow:0 12px 32px rgba(99,102,241,0.4);
}

/* Add smooth transitions for project cards */
.project-card{
  transition:all var(--transition), transform 400ms cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-left{order:2}
  .hero-right{order:1}
  .hero-stats{justify-content:center}
  .hero-cta{justify-content:center}
  .lead{margin-left:auto;margin-right:auto}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .display{font-size:2.5rem}
  .portrait{width:280px;height:280px}
  .portrait-frame{width:280px;height:280px}
  .portrait-initials{width:220px;height:220px;font-size:4rem}
}

@media (max-width: 720px){
  .nav{
    display:none;
    position:fixed;
    top:0;
    left:0;
    right:0;
    bottom:0;
    width:100vw;
    height:100vh;
    background:rgba(255,255,255,0.98);
    backdrop-filter:blur(var(--blur));
    box-shadow:var(--shadow-lg);
    z-index:999;
    overflow-y:auto;
  }
  .nav ul{
    flex-direction:column;
    padding:5rem 2rem 2rem;
    gap:0.5rem;
    min-height:100vh;
  }
  .nav a{
    display:block;
    padding:1rem 1.5rem;
    text-align:left;
    font-size:1.25rem;
    border-radius:12px;
  }
  .nav a:hover{
    background:rgba(99,102,241,0.1);
  }
  .menu-toggle{
    display:inline-block;
    position:relative;
    z-index:1000;
  }
  .hero{padding:4rem 0 3rem}
  .display{font-size:2rem}
  .portrait{width:240px;height:240px}
  .portrait-frame{width:240px;height:240px}
  .portrait-initials{width:180px;height:180px;font-size:3rem}
  .works-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .section{padding:3rem 0}
  .section-title{font-size:2rem}
  .testimonials{flex-direction:column}
  .testimonial-slider{width:100%;min-height:200px}
  .stat{padding:1rem}
  .hero-stats{gap:0.75rem}
}

@media (max-width: 480px){
  .display{font-size:1.75rem}
  .section-title{font-size:1.75rem}
  .hero-stats{flex-direction:column;width:100%}
  .stat{width:100%}
  .btn{width:100%;justify-content:center}
  .hero-cta{flex-direction:column;width:100%}
}

/* dark theme */
:root.dark{
  --bg:#0a0e27;
  --surface:#0f1629;
  --text:#e2e8f0;
  --muted:#94a3b8;
  --glass:rgba(15,22,41,0.8);
  --shadow:0 1px 3px rgba(0,0,0,0.3), 0 10px 40px rgba(0,0,0,0.4);
  --shadow-lg:0 20px 50px rgba(0,0,0,0.5);
  color-scheme:dark;
}

:root.dark body::before{
  background:
    radial-gradient(circle at 20% 10%, rgba(99,102,241,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139,92,246,0.12) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(236,72,153,0.1) 0%, transparent 50%);
}

:root.dark .site-header{
  background:rgba(10,14,39,0.8);
  border-bottom-color:rgba(99,102,241,0.15);
}

:root.dark .service-card,
:root.dark .card,
:root.dark .project-card,
:root.dark .testimonial,
:root.dark .timeline-content,
:root.dark .contact-form{
  background:var(--surface);
  border-color:rgba(99,102,241,0.2);
}

:root.dark .stat{
  background:var(--surface);
  border-color:rgba(99,102,241,0.2);
}

:root.dark .btn.ghost{
  background:var(--surface);
  border-color:rgba(99,102,241,0.3);
}

:root.dark .filter-btn{
  background:var(--surface);
  border-color:rgba(99,102,241,0.2);
}

:root.dark .contact-form input,
:root.dark .contact-form textarea{
  background:var(--bg);
  border-color:rgba(99,102,241,0.2);
  color:var(--text);
}

:root.dark .contact-form input:focus,
:root.dark .contact-form textarea:focus{
  background:var(--surface);
}

:root.dark .socials a,
:root.dark .testimonial-controls button{
  background:var(--surface);
  border-color:rgba(99,102,241,0.2);
}

:root.dark #themeToggle{
  background:var(--surface);
}

:root.dark .nav{
  background:rgba(10,14,39,0.98);
}

:root.dark .hero::before{
  background:linear-gradient(135deg, rgba(99,102,241,0.15), rgba(236,72,153,0.12));
}

/* Dark theme - Quick Facts Card */
:root.dark .quick-facts-card {
  background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, rgba(139,92,246,0.08) 100%);
  border-color: rgba(99,102,241,0.25);
}

:root.dark .fact-item {
  background: var(--surface);
  border-color: rgba(99,102,241,0.15);
}

:root.dark .fact-item:hover {
  background: rgba(15,22,41,0.6);
  box-shadow: 0 4px 12px rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.3);
}

:root.dark .fact-item p {
  color: var(--text);
}

:root.dark .fact-item a {
  color: var(--text);
}

:root.dark .fact-item a:hover {
  color: var(--accent);
}