:root{
  color-scheme:light;
  --bg-dark:#ffffff; --bg-card:#ffffff; --bg-card-alt:#f6f7fb; --border-color:#e4e7ef;
  --text-primary:#161a26; --text-secondary:#555b6e; --text-muted:#8b90a3;
  --accent-purple:#7c5cfc; --accent-purple-light:#6d4ef0;
  --accent-gradient:linear-gradient(135deg,#6366f1,#8b5cf6);
  --badge-bg:rgba(124,92,252,.1); --nav-bg:rgba(255,255,255,.9); --shadow:0 2px 12px rgba(22,26,38,.06);
  --success:#16a34a; --error:#dc2626;
  --ph-bg:#fff4d6; --ph-line:#c99a1e; --ph-ink:#6b4e00;
  --font-main:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
/* white by default; the page's own sun/moon button switches to dark */
body.dark{
  color-scheme:dark;
  --bg-dark:#0a0e1a; --bg-card:#12172a; --bg-card-alt:#0f1424; --border-color:#232a42;
  --text-primary:#f5f6fa; --text-secondary:#9ca3af; --text-muted:#6b7280;
  --accent-purple-light:#9b7bff; --badge-bg:rgba(124,92,252,.12); --nav-bg:rgba(10,14,26,.9); --shadow:none;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--bg-dark);color:var(--text-primary);font-family:var(--font-main);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent-purple-light);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding-inline:24px}
@media (max-width:480px){.container{padding-inline:16px}}
section{padding-block:100px}
@media (max-width:700px){section{padding-block:72px}}
.alt{background:var(--bg-card-alt)}

/* placeholders */
.ph{background:var(--ph-bg);color:var(--ph-ink);border-bottom:1.5px dashed var(--ph-line);padding:0 .2em;border-radius:2px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
body.clean .ph{background:none;color:inherit;border-bottom:none;padding:0}
.draftbar{background:var(--ph-bg);color:var(--ph-ink);font-size:13px;border-bottom:1px solid var(--ph-line)}
.draftbar .container{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-block:8px}
.draftbar button{font:inherit;font-weight:600;background:none;color:inherit;border:1px solid var(--ph-line);border-radius:6px;padding:3px 10px;cursor:pointer}

/* navbar */
.navbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 40px;border-bottom:1px solid var(--border-color);position:sticky;top:env(safe-area-inset-top,0px);background:var(--nav-bg);backdrop-filter:blur(10px);z-index:100}
.logo{font-size:20px;font-weight:700;white-space:nowrap}
.logo span{color:var(--accent-purple-light)}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--text-secondary);font-size:15px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text-primary)}
.nav-right{display:flex;align-items:center;gap:12px}
.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;font-size:15px}
.theme-toggle:hover{border-color:var(--accent-purple)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons, badges, headings */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:8px;font:600 15px var(--font-main);cursor:pointer;border:none;transition:transform .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent-gradient);color:#fff}
.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}
.btn-secondary:hover{border-color:var(--accent-purple)}
.badge{display:inline-block;background:var(--badge-bg);color:var(--accent-purple-light);padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:16px}
.section-eyebrow{text-align:center;color:var(--accent-purple-light);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}
.section-title{text-align:center;font-size:32px;font-weight:700;margin-bottom:12px;text-wrap:balance}
.section-title::after{content:'';display:block;width:60px;height:3px;background:var(--accent-gradient);margin:16px auto 0;border-radius:2px}
.section-sub{text-align:center;color:var(--text-secondary);max-width:560px;margin:0 auto}
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;padding:24px;min-width:0;box-shadow:var(--shadow)}
.center{text-align:center;margin-top:40px}

/* hero */
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding-block:60px}
.hero-text h1{font-size:clamp(32px,5vw,48px);font-weight:800;line-height:1.15;margin-bottom:12px}
.hero-text h2{font-size:clamp(22px,3.5vw,34px);font-weight:700;margin-bottom:20px}
.hero-intro{color:var(--text-secondary);font-size:16px;max-width:480px;margin-bottom:32px}
.hero-buttons{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.tiny-label{color:var(--text-muted);font-size:12px;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
.tech-icons{display:flex;gap:14px;flex-wrap:wrap}
.tech-icons .card{padding:12px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:none}
.hero-image-wrap{position:relative;width:100%}
.hero-photo{aspect-ratio:4/5;max-width:100%;width:100%;border-radius:20px;border:1px dashed var(--border-color);background:radial-gradient(circle at 30% 20%,rgba(139,92,246,.35),transparent 55%),radial-gradient(circle at 80% 90%,rgba(99,102,241,.3),transparent 50%),var(--bg-card);display:grid;place-items:center;text-align:center;color:var(--text-secondary);font-size:14px;padding:24px}
.hero-photo .initials{display:block;font-size:64px;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;margin-bottom:8px}
.hero-photo.is-img{display:block;object-fit:cover;object-position:center;padding:0;border:none;border-radius:0;background:transparent;box-shadow:none}
body.dark .hero-photo.is-img{background:#fff;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.code-card{position:absolute;bottom:-24px;right:-12px;z-index:2;width:250px;font-family:'Courier New',monospace;font-size:13px;box-shadow:none}
.code-head{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--text-muted)}
.code-head .live{width:8px;height:8px;border-radius:50%;background:var(--success);margin-left:auto}
.code-body{color:var(--text-secondary);line-height:1.8}
.code-body .s{color:var(--accent-purple-light)}

/* about + stats */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-grid h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:16px;line-height:1.3;text-wrap:balance}
.about-grid p{color:var(--text-secondary);margin-bottom:20px;max-width:60ch}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stat-item{display:flex;align-items:center;gap:16px;min-width:0}
.stat-icon{width:48px;height:48px;border-radius:10px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex-shrink:0}
.stat-number{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}
.stat-label{color:var(--text-secondary);font-size:14px}

/* skills */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px 48px;margin-top:48px}
.skill-row-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-weight:600;font-size:15px}
.skill-row-icon{display:flex;align-items:center;gap:10px}
.skill-row-icon svg{color:var(--accent-purple-light);width:18px}
.percent{color:var(--text-secondary);font-weight:500;font-variant-numeric:tabular-nums}
.progress-track{height:8px;background:var(--bg-card-alt);border-radius:4px;overflow:hidden}
.alt .progress-track{background:var(--bg-dark)}
.progress-fill{height:100%;background:var(--accent-gradient);border-radius:4px}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.service{display:flex;flex-direction:column;gap:12px;transition:transform .25s,border-color .25s}
.service:hover{transform:translateY(-6px);border-color:var(--accent-purple)}
.service .stat-icon{width:44px;height:44px;font-size:18px}
.service h3{font-size:18px}
.service p{color:var(--text-secondary);font-size:14px}
.service .from{margin-top:auto;padding-top:8px;color:var(--accent-purple-light);font-size:14px;font-weight:600}

/* projects */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.project-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;overflow:hidden;transition:transform .25s,border-color .25s;box-shadow:var(--shadow);display:flex;flex-direction:column}
.project-card:hover{transform:translateY(-6px);border-color:var(--accent-purple)}
.project-thumb{height:180px;display:grid;place-items:center;font-size:40px;color:rgba(255,255,255,.85)}
.project-thumb.shot{display:block;width:100%;object-fit:cover;object-position:top left;background:#fbfaf7;border-bottom:1px solid var(--border-color)}
.t1{background:linear-gradient(135deg,#312e81,#6d28d9)}
.t2{background:linear-gradient(135deg,#1e3a8a,#6366f1)}
.t3{background:linear-gradient(135deg,#4c1d95,#a855f7)}
.project-info{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.project-info h3{font-size:18px}
.project-info p{color:var(--text-secondary);font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px;background:var(--badge-bg);color:var(--accent-purple-light)}
.project-link{color:var(--accent-purple-light);font-size:14px;font-weight:600;margin-top:auto;padding-top:6px}

/* testimonials */
.quotes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.tq{display:flex;flex-direction:column;gap:18px}
.tq .qi{color:var(--accent-purple-light);font-size:22px}
.tq blockquote{font-style:italic;color:var(--text-primary);line-height:1.7}
.who{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}
.who b{display:block;font-size:14px}
.who span{font-size:13px;color:var(--text-secondary)}

/* quote */
.quote-section{max-width:800px;margin:0 auto;text-align:center}
.quote-icon{font-size:28px;color:var(--accent-purple-light);margin-bottom:20px}
.quote-text{font-size:clamp(18px,2.2vw,24px);font-style:italic;line-height:1.6;margin-bottom:20px}
.quote-author{color:var(--text-secondary);font-weight:600;font-size:14px}

/* contact */
.contact-wrap{max-width:600px;margin:0 auto}
form.contact-form{margin-top:32px;display:flex;flex-direction:column;gap:16px}
.contact-form input,.contact-form textarea{padding:14px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font:15px var(--font-main);width:100%}
.contact-form textarea{resize:vertical;min-height:130px}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent-purple)}
.contact-form .btn{justify-content:center}
.form-note{display:none;text-align:center;border-color:var(--accent-purple)}
.form-note.show{display:block}
.form-note p{color:var(--text-secondary)}
.contact-meta{margin-top:48px;text-align:center;color:var(--text-secondary)}
.copy-row{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.copy{font:600 12px var(--font-main);background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:6px;padding:4px 10px;cursor:pointer}
.copy:hover{border-color:var(--accent-purple);color:var(--text-primary)}
.social-icons{display:flex;gap:14px;margin:16px 0;flex-wrap:wrap}
.contact-meta .social-icons{justify-content:center}
.social-icons a{width:38px;height:38px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background .2s}
.social-icons a:hover{background:var(--accent-gradient);color:#fff}

/* footer */
footer{border-top:1px solid var(--border-color);padding:60px 24px 24px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1200px;margin:0 auto}
.footer-grid h3{font-size:22px}
.footer-grid h4{margin-bottom:12px;color:var(--accent-purple-light);font-size:13px;letter-spacing:1px;text-transform:uppercase}
.footer-bottom{text-align:center;color:var(--text-muted);font-size:13px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border-color)}

/* responsive */
@media (max-width:900px){
  .navbar{padding:14px 20px}
  .hero-grid{grid-template-columns:1fr}
  .hero-image-wrap{order:-1;max-width:320px;margin:0 auto}
  .hero-photo.is-img{display:block;object-fit:cover;object-position:center;padding:0;border:none;border-radius:0;background:transparent;box-shadow:none}
body.dark .hero-photo.is-img{background:#fff;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.code-card{display:none}
  .about-grid,.footer-grid{grid-template-columns:1fr}
  .skills-grid,.services-grid{grid-template-columns:1fr 1fr}
  .projects-grid,.quotes-grid{grid-template-columns:1fr}
  .nav-toggle{display:flex}
  .nav-links{flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--bg-dark);border-bottom:1px solid var(--border-color);padding:24px;gap:20px;display:none}
  .nav-links.active{display:flex}
  .nav-right .btn{display:none}
}
@media (max-width:560px){
  .skills-grid,.services-grid,.stats-grid{grid-template-columns:1fr}
}