:root {
  --pink: #FF5FA2;
  --purple: #8B5CF6;
  --sky: #60A5FA;
  --mint: #5EEAD4;

  --bg: #FFFFFF;
  --section: #F9FAFB;
  --card: #FFFFFF;
  --card-2: rgba(255,255,255,0.6);
  --text: #0F172A;
  --muted: #475569;
  --border: rgba(15,23,42,0.08);
  --shadow: 0 20px 60px -30px rgba(15,23,42,0.25);
  --gradient: linear-gradient(135deg, var(--pink), var(--purple) 55%, var(--sky));
  --gradient-soft: linear-gradient(135deg, rgba(255,95,162,0.15), rgba(139,92,246,0.15), rgba(96,165,250,0.15));
}

html[data-theme="dark"] {
  --bg: #0F172A;
  --section: #0B1220;
  --card: #1E293B;
  --card-2: rgba(30,41,59,0.55);
  --text: #F8FAFC;
  --muted: #94A3B8;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
  --gradient-soft: linear-gradient(135deg, rgba(255,95,162,0.18), rgba(139,92,246,0.22), rgba(94,234,212,0.15));
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  overflow-x:hidden;transition:background .4s ease,color .4s ease;
}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5vw,4rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--pink)}
img{max-width:100%;display:block}
.container{width:min(1150px,92%);margin:0 auto}
.muted{color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;color:var(--purple);font-weight:600;margin:0 0 .5rem}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.skip-link{position:absolute;left:-999px;top:0;background:var(--text);color:var(--bg);padding:.5rem 1rem;z-index:1000}
.skip-link:focus{left:1rem;top:1rem}

/* Glass */
.glass{
  background:var(--card-2);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--shadow);
}

/* Nav */
.nav{position:sticky;top:0;z-index:50;padding:.75rem 0;border-radius:0}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav__logo{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.4rem}
.nav__links{display:flex;gap:1.25rem;align-items:center;flex-wrap:wrap}
.nav__links a{font-size:.92rem;font-weight:500;position:relative}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gradient);transform:scaleX(0);transform-origin:right;transition:transform .3s}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav__actions{display:flex;gap:.5rem;align-items:center}
.theme-toggle{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--card-2);cursor:pointer;display:grid;place-items:center;color:var(--text);transition:transform .3s,background .3s}
.theme-toggle:hover{transform:rotate(20deg) scale(1.05)}
.theme-toggle .icon{transition:opacity .3s,transform .3s}
.theme-toggle .icon--moon{display:none}
html[data-theme="dark"] .theme-toggle .icon--sun{display:none}
html[data-theme="dark"] .theme-toggle .icon--moon{display:block}
.nav__burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav__burger span{width:22px;height:2px;background:var(--text);display:block;border-radius:2px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.75rem 1.4rem;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;
  position:relative;overflow:hidden;
}
.btn--primary{background:var(--gradient);color:#fff;box-shadow:0 10px 30px -10px rgba(255,95,162,.55)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(139,92,246,.55);color:#fff}
.btn--ghost{background:var(--card-2);color:var(--text);border-color:var(--border)}
.btn--ghost:hover{background:var(--section);transform:translateY(-2px)}
.btn--outline{background:transparent;color:var(--text);border-color:var(--purple)}
.btn--outline:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}

/* Hero */
.hero{position:relative;padding:6rem 0 5rem;overflow:hidden}
.hero__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.hero__eyebrow{color:var(--muted);margin-bottom:.5rem;letter-spacing:.05em}
.hero__name{margin:0 0 .75rem}
.hero__tagline{font-size:clamp(1.1rem,2vw,1.5rem);color:var(--muted);font-weight:500;margin:0 0 1rem;font-family:'Space Grotesk',sans-serif}
.caret{color:var(--pink);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.hero__intro{max-width:520px;color:var(--muted);font-size:1.05rem}
.hero__cta{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.75rem}
.hero__photo{display:flex;justify-content:center}
.photo-ring{
  width:min(340px,80vw);aspect-ratio:1;border-radius:50%;
  padding:6px;background:var(--gradient);
  position:relative;box-shadow:0 30px 80px -20px rgba(139,92,246,.5);
}
.photo-ring::before{content:"";position:absolute;inset:-20px;border-radius:50%;background:var(--gradient);filter:blur(40px);opacity:.4;z-index:-1;animation:pulse-ring 4s ease-in-out infinite}
@keyframes pulse-ring{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}}
.photo-ring img{width:100%;height:100%;object-fit:cover;border-radius:50%;background:var(--section)}
.hero__tech{position:absolute;inset:0;pointer-events:none;z-index:0}
.tech-icon{
  position:absolute;padding:.5rem .9rem;border-radius:12px;
  background:var(--card-2);backdrop-filter:blur(10px);border:1px solid var(--border);
  font-family:'Space Grotesk',monospace;font-weight:600;font-size:.8rem;color:var(--muted);
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.tech-icon:nth-child(2){animation-delay:.6s}
.tech-icon:nth-child(3){animation-delay:1.2s}
.tech-icon:nth-child(4){animation-delay:1.8s}
.tech-icon:nth-child(5){animation-delay:2.4s}
.tech-icon:nth-child(6){animation-delay:3s}
.tech-icon:nth-child(7){animation-delay:3.6s}

/* Sections */
.section{padding:5rem 0;position:relative}
.section--alt{background:var(--section)}
.section__head{text-align:center;max-width:640px;margin:0 auto 3rem}
.card{padding:1.75rem}
.card--about{max-width:820px;margin:0 auto;font-size:1.05rem}

/* Timeline */
.timeline{list-style:none;padding:0;margin:0;position:relative;max-width:760px;margin-inline:auto}
.timeline::before{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:var(--gradient);opacity:.4}
.timeline__item{position:relative;padding-left:48px;margin-bottom:1.5rem}
.timeline__dot{position:absolute;left:6px;top:22px;width:18px;height:18px;border-radius:50%;background:var(--gradient);box-shadow:0 0 0 6px var(--bg)}
.timeline__year{color:var(--pink);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.4rem}

/* Skills */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.skill{padding:1.1rem 1.25rem;border-radius:16px;border:1px solid var(--border);background:var(--card-2);backdrop-filter:blur(10px);transition:transform .3s,box-shadow .3s}
.skill:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.skill__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.6rem}
.skill__name{font-weight:600;font-family:'Space Grotesk',sans-serif}
.skill__pct{color:var(--muted);font-size:.85rem}
.skill__bar{height:6px;border-radius:99px;background:var(--border);overflow:hidden}
.skill__bar i{display:block;height:100%;background:var(--gradient);border-radius:99px;width:0;transition:width 1.2s ease}
.skill--tool .skill__bar i{background:linear-gradient(135deg,var(--mint),var(--sky))}

/* Projects */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}
.project{border-radius:22px;overflow:hidden;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s}
.project:hover{transform:translateY(-6px)}
.project__thumb{aspect-ratio:16/10;background:var(--gradient-soft);position:relative;overflow:hidden}
.project__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.project:hover .project__thumb img{transform:scale(1.05)}
.project__body{padding:1.25rem 1.4rem 1.4rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.project__year{color:var(--pink);font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.project__desc{color:var(--muted);font-size:.94rem;flex:1}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.2rem}
.chip{padding:.25rem .65rem;border-radius:99px;font-size:.75rem;background:var(--gradient-soft);color:var(--text);border:1px solid var(--border)}
.project__actions{display:flex;gap:.5rem;margin-top:.75rem;flex-wrap:wrap}
.project__actions .btn{padding:.5rem 1rem;font-size:.85rem}

/* Cards grid (certificates) */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.cert{padding:1.4rem;border-radius:18px;background:var(--card-2);border:1px solid var(--border);transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.cert::before{content:"";position:absolute;inset:0;background:var(--gradient);opacity:0;transition:opacity .3s;z-index:0}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cert>*{position:relative;z-index:1}

/* GitHub */
.github-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.github-profile__head{display:flex;gap:1rem;align-items:center;margin-bottom:1rem}
.github-profile__head img{width:64px;height:64px;border-radius:50%;border:2px solid var(--purple)}
.github-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin:1rem 0;text-align:center}
.github-stats div{padding:.75rem;border-radius:12px;background:var(--gradient-soft)}
.github-stats strong{display:block;font-size:1.4rem;font-family:'Space Grotesk',sans-serif}
.github-stats span{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.repo-list{list-style:none;padding:0;margin:0}
.repo-list li{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px dashed var(--border)}
.repo-list li:last-child{border-bottom:0}
.lang-bars{display:flex;flex-direction:column;gap:.75rem}
.lang{display:grid;grid-template-columns:100px 1fr;gap:.75rem;align-items:center;font-size:.9rem}
.bar{height:8px;background:var(--border);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--gradient);border-radius:99px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:1.5rem}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.contact-list li{display:grid;grid-template-columns:110px 1fr;gap:.5rem;padding:.5rem 0;border-bottom:1px dashed var(--border)}
.contact-list li:last-child{border-bottom:0}
.contact-list span:first-child{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}
#contact-form{display:grid;gap:.9rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
#contact-form label{display:grid;gap:.35rem;font-size:.85rem;color:var(--muted);font-weight:500}
#contact-form input,#contact-form textarea{
  width:100%;padding:.75rem .9rem;border-radius:12px;border:1px solid var(--border);
  background:var(--bg);color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s;
}
#contact-form input:focus,#contact-form textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 4px rgba(139,92,246,.15)}
.honeypot{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.form-status{margin:.25rem 0 0;font-size:.9rem;min-height:1.25em}
.form-status.ok{color:var(--mint)}
.form-status.err{color:var(--pink)}

/* Footer */
.footer{padding:3rem 0 1.5rem;background:var(--section);border-top:1px solid var(--border);margin-top:2rem}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;align-items:start}
.footer nav{display:flex;flex-direction:column;gap:.4rem}
.socials{display:flex;gap:.5rem}
.socials a{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--card-2);border:1px solid var(--border);font-weight:600;transition:transform .2s,background .3s}
.socials a:hover{background:var(--gradient);color:#fff;transform:translateY(-3px)}
.copyright{text-align:center;color:var(--muted);font-size:.85rem;margin-top:2rem}

/* Back to top */
.back-to-top{position:fixed;right:1.25rem;bottom:1.25rem;width:46px;height:46px;border-radius:50%;background:var(--gradient);color:#fff;border:0;cursor:pointer;box-shadow:0 10px 30px -10px rgba(139,92,246,.6);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:40;font-size:1.2rem}
.back-to-top.show{opacity:1;pointer-events:auto}
.back-to-top:hover{transform:translateY(-4px)}

/* Modal */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:1.5rem}
.modal.open{display:flex;animation:fadeIn .25s ease}
.modal__backdrop{position:absolute;inset:0;background:rgba(15,23,42,.6);backdrop-filter:blur(6px)}
.modal__panel{position:relative;max-width:640px;width:100%;max-height:85vh;overflow:auto;padding:2rem;border-radius:24px;animation:scaleIn .3s ease}
.modal__close{position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;background:var(--card);border:1px solid var(--border);cursor:pointer;font-size:1.4rem;color:var(--text)}
.modal__body img{border-radius:14px;margin-bottom:1rem}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}

/* Loader */
.loader{position:fixed;inset:0;background:var(--bg);z-index:200;display:grid;place-items:center;transition:opacity .5s,visibility .5s}
.loader.hidden{opacity:0;visibility:hidden}
.loader__ring{width:52px;height:52px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--pink);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Blobs */
.blobs{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:-1}
.blob{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(120px);opacity:.35;animation:drift 22s ease-in-out infinite}
.blob--pink{background:var(--pink);top:-100px;left:-120px}
.blob--purple{background:var(--purple);top:30%;right:-160px;animation-delay:-6s}
.blob--blue{background:var(--sky);bottom:-100px;left:20%;animation-delay:-12s}
.blob--mint{background:var(--mint);bottom:10%;right:10%;width:380px;height:380px;animation-delay:-18s;opacity:.25}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(60px,-40px) scale(1.15)}}
html[data-theme="dark"] .blob{opacity:.25}

/* Cursor glow */
.cursor-glow{position:fixed;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(255,95,162,.15),transparent 60%);pointer-events:none;z-index:1;transform:translate(-50%,-50%);transition:opacity .3s;mix-blend-mode:screen}
@media (hover:none){.cursor-glow{display:none}}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* Responsive */
@media (max-width:900px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__intro{margin:0 auto}
  .hero__cta{justify-content:center}
  .hero__photo{order:-1}
  .contact-grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;text-align:center}
  .socials{justify-content:center}
  .nav__links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;padding:1rem;background:var(--card);border-top:1px solid var(--border)}
  .nav__links.open{display:flex}
  .nav__burger{display:flex}
}
@media (max-width:520px){
  .form-row{grid-template-columns:1fr}
  .section{padding:3.5rem 0}
  .hero{padding:3rem 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* Extra keyframes / interactive helpers */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:none}}
@keyframes slideInRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.gradient-text{background-size:200% 200%;animation:gradientShift 6s ease infinite}
.hover-lift{transition:transform .3s ease,box-shadow .3s ease}
.hover-lift:hover{transform:translateY(-4px);box-shadow:var(--shadow)}