:root{
  --bg:#ffffff;
  --soft:#f8fafc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --primary:#111827;
  --blue:#2563eb;
  --purple:#7c3aed;
  --success:#059669;
  --shadow:0 24px 70px rgba(15,23,42,.10);
  --shadow-soft:0 14px 40px rgba(15,23,42,.08);
  --radius:28px;
}

body.dark{
  --bg:#070a12;
  --soft:#0f172a;
  --card:#111827;
  --text:#f8fafc;
  --muted:#cbd5e1;
  --line:#273449;
  --primary:#f8fafc;
  --blue:#60a5fa;
  --purple:#a78bfa;
  --shadow:0 24px 70px rgba(0,0,0,.42);
  --shadow-soft:0 14px 40px rgba(0,0,0,.32);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  transition:background .28s ease,color .28s ease;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.section{padding:96px 7%}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:3000;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 7%;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
body.dark .site-header{background:rgba(7,10,18,.82)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#111827,#2563eb);
  color:white;
  box-shadow:var(--shadow-soft);
}
.site-nav{display:flex;align-items:center;gap:10px}
.site-nav a:not(.nav-hire-btn){
  padding:10px 14px;
  border-radius:999px;
  color:var(--muted);
  font-weight:800;
}
.site-nav a:not(.nav-hire-btn):hover{background:var(--soft);color:var(--text)}
.nav-hire-btn{
  padding:12px 20px;
  border-radius:999px;
  color:white;
  background:linear-gradient(135deg,#111827,#2563eb);
  font-weight:900;
  box-shadow:0 12px 28px rgba(37,99,235,.22);
  transition:.25s ease;
}
.nav-hire-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.30)}
.theme-switch{
  width:64px;height:36px;
  padding:0;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--soft);
  cursor:pointer;
  position:relative;
}
.switch-track{display:block;position:relative;width:100%;height:100%}
.switch-thumb{
  position:absolute;left:4px;top:4px;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  background:white;
  box-shadow:0 6px 16px rgba(15,23,42,.16);
  font-size:14px;
  transition:.28s ease;
}
body.dark .switch-thumb{left:30px;background:#1e293b}
.menu-toggle{display:none;background:transparent;border:0;gap:5px;flex-direction:column}
.menu-toggle span{width:24px;height:2px;background:var(--text);display:block;border-radius:99px}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:14px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:900;
  letter-spacing:-.01em;
  cursor:pointer;
  transition:transform .24s ease, box-shadow .24s ease, background .24s ease, border-color .24s ease;
}
.btn:hover{transform:translateY(-3px)}
.btn-primary{
  background:linear-gradient(135deg,#111827,#2563eb);
  color:white;
  box-shadow:0 18px 38px rgba(37,99,235,.24);
}
.btn-primary:hover{box-shadow:0 24px 52px rgba(37,99,235,.32)}
.btn-secondary{
  background:var(--card);
  color:var(--text);
  border-color:var(--line);
  box-shadow:var(--shadow-soft);
}
.btn-secondary:hover{border-color:var(--blue)}
.btn-clean{
  background:transparent;
  color:var(--muted);
  border-color:var(--line);
}
.btn-clean:hover{background:var(--soft);color:var(--text)}
.btn-light{
  background:white;
  color:#111827;
  box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.section-actions,.hero-actions,.page-actions{display:flex;gap:14px;flex-wrap:wrap}

/* Hero */
.hero{
  min-height:calc(100vh - 75px);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:70px;
  position:relative;
  overflow:visible;
}
.blob{position:absolute;border-radius:999px;pointer-events:none;z-index:0;filter:blur(8px)}
.blob-one{width:350px;height:350px;background:rgba(37,99,235,.08);right:9%;top:12%}
.blob-two{width:240px;height:240px;background:rgba(124,58,237,.08);left:4%;bottom:8%}
.hero-copy,.hero-visual{position:relative;z-index:5}
.eyebrow{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--blue);
  font-size:.78rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.hero h1,.page-hero h1{
  font-size:clamp(3.1rem,7vw,6.3rem);
  line-height:.95;
  letter-spacing:-.075em;
  margin:22px 0;
}
.lead,.page-hero p,.section-heading p{
  color:var(--muted);
  font-size:1.12rem;
  max-width:740px;
}
.hero-actions{margin:34px 0 24px}
.trust-row{display:flex;gap:10px;flex-wrap:wrap}
.trust-row span{
  padding:9px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--soft);
  color:var(--muted);
  font-weight:800;
  font-size:.92rem;
}

/* Hero visual fixed upper layer */
.hero-visual{
  min-height:560px;
  display:grid;
  place-items:center;
  overflow:visible;
}
.dashboard-card{
  width:min(410px,92vw);
  min-height:520px;
  border-radius:42px;
  background:linear-gradient(180deg,var(--card),var(--soft));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:26px;
  position:relative;
  z-index:20;
}
.browser-dots{display:flex;gap:8px;margin-bottom:26px}
.browser-dots span{width:12px;height:12px;border-radius:50%;background:#cbd5e1}
.dashboard-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.dashboard-title span{font-weight:900}
.dashboard-title strong{font-size:2rem;color:var(--blue)}
.bars{
  height:280px;
  display:flex;
  align-items:end;
  gap:16px;
  padding:24px;
  border-radius:30px;
  background:var(--bg);
  border:1px solid var(--line);
}
.bars i{
  flex:1;
  border-radius:18px 18px 8px 8px;
  background:linear-gradient(180deg,var(--blue),var(--purple));
}
.dashboard-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.dashboard-metrics div{padding:16px;border-radius:20px;background:var(--bg);border:1px solid var(--line)}
.dashboard-metrics strong{display:block}
.dashboard-metrics span{color:var(--muted);font-size:.9rem}
.float-card{
  position:absolute;
  z-index:999;
  padding:16px 18px;
  border-radius:22px;
  display:grid;
  gap:2px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px);
  border:1px solid rgba(226,232,240,.9);
  box-shadow:var(--shadow-soft);
  animation:float 4.5s ease-in-out infinite;
}
body.dark .float-card{background:rgba(17,24,39,.86);border-color:#273449}
.float-card span{color:var(--muted);font-size:.88rem;font-weight:700}
.float-one{top:62px;left:0}
.float-two{right:0;top:245px;animation-delay:.7s}
.float-three{left:10px;bottom:64px;animation-delay:1.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}

/* Sections */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding-top:36px;
}
.stat-card,.service-card,.education-card,.timeline-content,.contact-card,.contact-form,.profile-card,.skill-panel,.project-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
}
.stat-card{padding:30px}
.stat-card h3{font-size:3rem;line-height:1}
.stat-card h3::after{content:"+";font-size:1.7rem;color:var(--blue)}
.stat-card p{color:var(--muted);font-weight:800;margin-top:8px}
.section-heading{margin-bottom:42px}
.section-heading.center{text-align:center;margin-inline:auto}
.section-heading.center p{margin-inline:auto}
.section-heading h2{
  font-size:clamp(2rem,4vw,4rem);
  line-height:1.02;
  letter-spacing:-.055em;
  margin:16px 0;
}
.about-grid,.split,.contact-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:42px;
  align-items:center;
}
.profile-card{padding:22px;display:grid;gap:18px}
.profile-card img{border-radius:24px;background:var(--soft)}
.profile-card h3{font-size:1.8rem}
.profile-card p{color:var(--muted);font-weight:700}
.service-grid,.education-grid,.project-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.service-card{padding:30px;transition:.24s ease}
.service-card:hover,.project-card:hover{transform:translateY(-7px)}
.service-card span{font-size:2rem}
.service-card h3{font-size:1.32rem;margin:14px 0 8px}
.service-card p,.education-card p,.timeline-content p,.project-card p{color:var(--muted)}
.service-card a,.project-card a{display:inline-block;margin-top:16px;color:var(--blue);font-weight:900}
.skill-panel{padding:12px;display:grid;gap:12px}
.skill-panel div{padding:24px;border-radius:22px;background:var(--soft);border:1px solid var(--line)}
.skill-panel h4{font-size:1.15rem;margin-bottom:6px}
.skill-panel p{color:var(--muted);font-weight:700}
.timeline{max-width:980px;margin:0 auto;display:grid;gap:22px}
.timeline-item{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}
.timeline-date{font-weight:900;color:var(--blue);padding-top:24px}
.timeline-content{padding:26px}
.timeline-content h4{color:var(--muted);margin:4px 0 10px}
.education-card{padding:28px}
.education-card span{font-weight:900;color:var(--blue)}
.education-card h3{font-size:1.25rem;margin:14px 0 6px}
.project-card{overflow:hidden;transition:.24s ease}
.project-card img{aspect-ratio:16/10;object-fit:cover;background:var(--soft)}
.project-card div{padding:24px}
.project-card span{color:var(--blue);font-weight:900;font-size:.8rem;text-transform:uppercase}
.project-card h3{font-size:1.25rem;margin:8px 0 10px}
.center-btn{text-align:center;margin-top:34px}
.cta-section{
  margin:40px 7% 96px;
  border-radius:38px;
  background:linear-gradient(135deg,#111827,#2563eb);
  color:white;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-section .eyebrow{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:white}
.cta-section h2{font-size:clamp(2rem,4vw,4rem);line-height:1.02;letter-spacing:-.055em;margin-top:16px;max-width:780px}

/* Pages */
.page-hero{text-align:center;padding-top:118px;padding-bottom:64px}
.page-hero .eyebrow,.page-hero p{margin-inline:auto}
.page-actions{justify-content:center;margin-top:28px}
.filter-bar{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter-btn{
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  padding:12px 18px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
  transition:.24s ease;
}
.filter-btn.active,.filter-btn:hover{background:linear-gradient(135deg,#111827,#2563eb);color:white;transform:translateY(-2px)}
.contact-grid{align-items:start}
.contact-info h2{font-size:2rem;margin-bottom:22px}
.contact-card{padding:22px;display:flex;gap:14px;align-items:flex-start;margin-bottom:14px}
.contact-card span{font-size:1.6rem}
.contact-card a,.contact-card p{color:var(--muted);font-weight:700}
.contact-form{padding:30px;display:grid;gap:18px}
.contact-form label{font-weight:900}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;
  margin-top:8px;
  padding:15px 16px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--soft);
  color:var(--text);
  outline:none;
  font:inherit;
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.form-note{color:var(--muted);font-size:.92rem}

/* Footer */
.footer{border-top:1px solid var(--line);background:var(--soft);padding:52px 7% 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr .6fr 1fr;gap:30px}
.footer p,.footer a{display:block;color:var(--muted);margin-top:10px;font-weight:700}
.footer h4{margin-bottom:12px}
.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;color:var(--muted);font-weight:700}

/* Animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.22s}

@media(max-width:1050px){
  .hero,.about-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero{gap:32px;padding-top:70px}
  .stats,.service-grid,.education-grid,.project-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .section{padding:72px 5%}
  .site-header{padding:14px 5%}
  .menu-toggle{display:flex}
  .site-nav{
    position:absolute;
    top:72px;
    left:5%;
    right:5%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:14px;
    border:1px solid var(--line);
    border-radius:24px;
    background:var(--card);
    box-shadow:var(--shadow);
  }
  .site-nav.open{display:flex}
  .site-nav a,.theme-switch,.nav-hire-btn{width:100%;justify-content:center;text-align:center}
  .theme-switch{margin:auto}
  .hero h1,.page-hero h1{font-size:3.1rem}
  .hero-actions,.section-actions,.page-actions{flex-direction:column}
  .btn{width:100%}
  .stats,.service-grid,.education-grid,.project-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr}
  .timeline-date{padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .cta-section{margin:20px 5% 72px;flex-direction:column;align-items:flex-start}
  .hero-visual{display:block;min-height:auto}
  .dashboard-card{margin:auto}
  .float-card{position:relative;top:auto;left:auto;right:auto;bottom:auto;width:100%;margin-top:12px;animation:none}
}