@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800;900&display=swap');

/* DESIGN TOKENS */
:root {
  --bg: #030712; --surface: #111827; --accent: #22d3ee;
  --accent-glow: rgba(34,211,238,0.3); --secondary: #818cf8;
  --secondary-glow: rgba(129,140,248,0.2); --text: #f9fafb;
  --muted: #9ca3af; --border: rgba(255,255,255,0.1);
  --glass: rgba(17,24,39,0.85); --radius: 24px;
  --grid-line: rgba(34,211,238,0.04);
  --bg-radial: radial-gradient(circle at 50% 50%,#0f172a 0%,#030712 100%);
}
body[data-theme="light"] {
  --bg: #f8fafc; --surface: #ffffff; --accent: #0891b2;
  --accent-glow: rgba(8,145,178,0.12); --secondary: #4f46e5;
  --secondary-glow: rgba(79,70,229,0.1); --text: #111827;
  --muted: #4b5563; --border: rgba(0,0,0,0.08);
  --glass: rgba(255,255,255,0.9); --grid-line: rgba(0,0,0,0.03);
  --bg-radial: radial-gradient(circle at 50% 50%,#f1f5f9 0%,#f8fafc 100%);
}

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Outfit',sans-serif;background-color:var(--bg);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),var(--bg-radial);background-size:40px 40px,40px 40px,100% 100%;color:var(--text);overflow-x:hidden;line-height:1.6;transition:background-color .5s,color .5s}
h1,h2,h3,h4,p,a,span,button,input,textarea,label{font-family:'Outfit',sans-serif}
img{max-width:100%;height:auto;display:block}

@media(pointer:coarse){*{cursor:auto!important}.custom-cursor,.custom-cursor-inner{display:none!important}}
@media(pointer:fine){*{cursor:none!important}}

/* SKIP LINK */
.skip-link{position:absolute;top:-100%;left:16px;background:var(--accent);color:#000;padding:12px 24px;border-radius:0 0 12px 12px;z-index:10000;font-weight:700;text-decoration:none;transition:top .3s}
.skip-link:focus{top:0}

/* CURSOR */
.custom-cursor,.custom-cursor-inner{position:fixed;top:0;left:0;width:40px;height:40px;border:1px solid var(--accent);border-radius:50%;pointer-events:none;z-index:10000;transform:translate(-50%,-50%);transition:width .2s,height .2s,background-color .2s}
.custom-cursor-inner{width:8px;height:8px;background-color:var(--accent);border:none}
.cursor-hover{width:60px;height:60px;background:var(--accent-glow);border-color:transparent}

/* LAYOUT */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* HEADER */
.header{position:fixed;top:0;width:100%;z-index:1000;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass);border-bottom:1px solid var(--border);transition:background-color .5s,border-color .5s}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.brand{font-size:1.4rem;font-weight:900;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:12px;z-index:1001}
.brand-logo{background:var(--accent);color:#000;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;font-weight:900;font-size:.9rem;box-shadow:0 0 20px var(--accent-glow);transition:transform .3s}
.brand-logo:hover{transform:rotate(10deg) scale(1.1)}
.header-actions{display:flex;align-items:center;gap:12px;z-index:1001}

.nav{display:flex;gap:28px}
.nav a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.9rem;transition:color .3s;position:relative}
.nav a:hover{color:var(--accent)}
.nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:width .3s}
.nav a:hover::after{width:100%}

.theme-toggle{background:var(--surface);color:var(--text);border:1px solid var(--border);width:44px;height:44px;border-radius:50%;font-size:1.2rem;display:grid;place-items:center;transition:transform .3s,background-color .3s,border-color .3s}
.theme-toggle:hover{transform:rotate(15deg) scale(1.1)}

.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:none;border:none;width:44px;height:44px;padding:8px;z-index:1001}
.hamburger-line{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}
.menu-toggle.active .hamburger-line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active .hamburger-line:nth-child(2){opacity:0}
.menu-toggle.active .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

.mobile-nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg);z-index:999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s}
.mobile-nav-overlay.active{opacity:1;pointer-events:all}
.mobile-nav-links{display:flex;flex-direction:column;align-items:center;gap:28px}
.mobile-nav-links a{text-decoration:none;color:var(--text);font-size:2rem;font-weight:800;transition:color .3s,transform .3s}
.mobile-nav-links a:hover{color:var(--accent);transform:scale(1.05)}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:100px;padding-bottom:40px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.hero-content h1{opacity:0;animation:dropDown 1s cubic-bezier(.16,1,.3,1) forwards}
.hero-content p{opacity:0;animation:dropDown 1s cubic-bezier(.16,1,.3,1) .2s forwards}
.hero-content .cta-row{opacity:0;animation:dropDown 1s cubic-bezier(.16,1,.3,1) .4s forwards}
.hero-content .social-row{opacity:0;animation:dropDown 1s cubic-bezier(.16,1,.3,1) .6s forwards}
@keyframes dropDown{from{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}

.h1{font-size:clamp(2.5rem,7vw,5.5rem);font-weight:900;line-height:1.05;margin-bottom:24px}
.accent-text{color:var(--accent)}
.magnetic-text{display:inline-block;transition:transform .15s ease-out}
.subhead{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--muted);margin-bottom:36px;max-width:600px}
.cta-row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:32px}
.social-row{display:flex;gap:16px;align-items:center}
.social-link{color:var(--muted);width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--border);border-radius:12px;transition:all .3s;text-decoration:none}
.social-link:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-glow);transform:translateY(-3px)}

.profile-wrapper{position:relative;border-radius:30px;overflow:visible;perspective:1000px;opacity:0;animation:revealImg 1.5s cubic-bezier(.16,1,.3,1) .3s forwards}
@keyframes revealImg{from{opacity:0;transform:scale(.8) rotate(5deg)}to{opacity:1;transform:scale(1) rotate(0)}}
.profile-glow{position:absolute;top:-10%;left:-10%;width:120%;height:120%;background:conic-gradient(from 0deg,var(--accent),var(--secondary),var(--accent));filter:blur(40px);opacity:.3;z-index:0;border-radius:50%;animation:rotateGlow 10s linear infinite}
@keyframes rotateGlow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.profile-img{width:100%;border-radius:30px;position:relative;z-index:2;box-shadow:0 30px 60px rgba(0,0,0,.4);transition:transform .5s cubic-bezier(.175,.885,.32,1.275)}
@media(pointer:fine){.profile-img{animation:profileFloat 6s ease-in-out infinite}.profile-wrapper:hover .profile-img{transform:scale(1.03) rotateY(5deg)}}
@keyframes profileFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}

/* SCROLL REVEAL */
[data-reveal]{opacity:1;transform:translateY(0);transition:all .8s cubic-bezier(.2,.8,.2,1)}
.js-enabled [data-reveal]:not(.reveal-active){opacity:0;transform:translateY(30px)}
.reveal-active{opacity:1!important;transform:translateY(0)!important}

/* SECTIONS */
.section{padding:100px 0}
.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:900;margin-bottom:50px;display:flex;align-items:center;gap:20px}
.section-title::after{content:'';flex:1;height:2px;background:var(--border)}

/* CARDS */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:all .4s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,transparent,var(--accent-glow));opacity:0;transition:opacity .4s}
.card:hover::before{opacity:.08}
@media(pointer:fine){.card:hover{transform:translateY(-10px);border-color:var(--accent);box-shadow:0 20px 50px rgba(0,0,0,.3)}}
.card-icon{font-size:2rem;margin-bottom:16px}
.card h3{font-size:1.35rem;margin-bottom:10px;color:var(--accent);position:relative}
.card-meta{font-weight:700;color:var(--secondary);margin-bottom:16px;font-size:.88rem}
.card-desc{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.card p{color:var(--muted);position:relative}

.about-card{font-size:1.2rem;border-left:4px solid var(--accent);line-height:1.8;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;position:relative}
.tag{background:var(--bg);border:1px solid var(--border);padding:6px 14px;border-radius:50px;font-size:.8rem;font-weight:600;color:var(--muted);transition:all .3s}
.tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}

.project-card{position:relative}
.project-badge{position:absolute;top:20px;right:20px;background:var(--accent-glow);color:var(--accent);padding:4px 14px;border-radius:50px;font-size:.75rem;font-weight:700;border:1px solid var(--accent);z-index:10}
.project-link{display:inline-block;margin-top:24px;color:var(--accent);text-decoration:none;font-weight:700;font-size:.9rem;transition:all .3s;position:relative;z-index:5}
.project-link:hover{color:var(--text);transform:translateX(5px)}

/* TIMELINE */
.timeline{display:grid;gap:0;position:relative}
.t-item{border-left:3px solid var(--border);padding:0 0 40px 32px;position:relative;transition:border-color .3s}
.t-item:last-child{padding-bottom:0}
.t-item::before{content:'';position:absolute;left:-8px;top:4px;width:13px;height:13px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent-glow);transition:transform .3s}
.t-item:hover{border-left-color:var(--accent)}
.t-item:hover::before{transform:scale(1.3)}
.t-title{font-size:1.2rem;font-weight:800;margin-bottom:4px;color:var(--text)}
.t-meta{color:var(--secondary);font-weight:700;font-size:.88rem;margin-bottom:10px}
.t-item p{color:var(--muted);font-size:.95rem}

/* Tech badge on timeline items */
.t-badge{display:inline-block;padding:2px 10px;border-radius:50px;font-size:.7rem;font-weight:700;margin-bottom:8px;letter-spacing:.5px;text-transform:uppercase}
.tech-badge{background:var(--accent-glow);color:var(--accent);border:1px solid var(--accent)}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
.field{margin-bottom:20px}
.field label{display:block;font-weight:700;margin-bottom:8px;color:var(--muted);font-size:.9rem}
input,textarea{width:100%;padding:16px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:14px;color:var(--text);font-family:inherit;font-size:1rem;transition:all .3s}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-glow);background:rgba(255,255,255,.05)}
.info-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px;font-size:.95rem;color:var(--muted)}
.info-item svg{flex-shrink:0;margin-top:2px}
.availability-badge{margin-top:30px;padding:18px 24px;border:1px solid var(--accent);border-radius:14px;color:var(--accent);font-weight:800;font-size:.9rem;text-align:center;background:var(--accent-glow);letter-spacing:.5px}

/* Form status */
.form-status{margin-top:16px;padding:0;font-size:.9rem;font-weight:600;min-height:24px;transition:all .3s}
.form-status.success{color:#22c55e}
.form-status.error{color:#ef4444}

/* BUTTONS */
.btn{padding:14px 28px;border-radius:50px;font-weight:800;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:all .3s cubic-bezier(.175,.885,.32,1.275);border:none;font-size:.95rem;min-height:48px}
.btn:disabled{opacity:.6;pointer-events:none}
.btn-primary{background:var(--accent);color:#000;box-shadow:0 8px 24px var(--accent-glow)}
.btn-primary:hover{transform:scale(1.05) translateY(-3px);box-shadow:0 12px 32px var(--accent-glow)}
.btn-outline{border:1px solid var(--border);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* FOOTER */
.footer{padding:60px 0;border-top:1px solid var(--border)}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.1rem}
.footer-links{display:flex;gap:24px}
.footer-links a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.9rem;transition:color .3s}
.footer-links a:hover{color:var(--accent)}
.footer-copy{color:var(--muted);font-size:.85rem}

:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}

.theme-switching::after{content:'';position:fixed;top:0;left:0;width:100%;height:100%;background:white;z-index:20000;opacity:0;pointer-events:none;animation:themeFlash .5s ease-out}
@keyframes themeFlash{0%{opacity:.15}100%{opacity:0}}

/* TABLET */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr .7fr;gap:40px}
  .contact-grid{grid-template-columns:1fr}
  .section{padding:80px 0}
}

/* MOBILE */
@media(max-width:768px){
  .nav{display:none}.menu-toggle{display:flex}
  .hero{padding-top:90px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-content{order:1}
  .profile-wrapper{order:0;max-width:280px;margin:0 auto}
  .subhead{margin-left:auto;margin-right:auto}
  .cta-row{justify-content:center}.social-row{justify-content:center}
  .h1{font-size:clamp(2.2rem,10vw,3.5rem)}
  .grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .section-title{font-size:1.8rem;margin-bottom:32px}
  .card{padding:24px}.about-card{font-size:1.05rem}
  .container{padding:0 16px}
  .profile-img{animation:none}
  .magnetic-text{display:inline!important}
}

/* SMALL PHONE */
@media(max-width:480px){
  .h1{font-size:2rem}
  .btn{padding:12px 22px;font-size:.88rem;width:100%;justify-content:center}
  .cta-row{flex-direction:column}
  .card{padding:20px}
  .brand span,.brand{font-size:1.15rem}
  .mobile-nav-links a{font-size:1.5rem}
  .section-title{font-size:1.5rem}
  .footer-links{flex-direction:column;gap:12px}
}

/* REDUCED MOTION */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}