/* ============================================================
   NHR Portfolio — Premium Frontend Styles
   Purple/fuchsia neon + gold accents on deep-space background
   ============================================================ */

:root{
  --bg:#050010;
  --bg-2:#0b0322;
  --fg:#eae4ff;
  --muted:#9c93b8;
  --neon:#c79bff;
  --neon-2:#7c3aed;
  --gold:#f5c860;
  --border:rgba(199,155,255,.18);
  --glass:rgba(20,10,45,.55);
  --radius:14px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:radial-gradient(1200px 800px at 20% -10%, #170535 0%, transparent 60%),
             radial-gradient(1000px 700px at 100% 20%, #22084d 0%, transparent 55%),
             var(--bg);
  color:var(--fg);
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
  overflow-x:hidden;
  min-height:100vh;
}
h1,h2,h3,h4,h5,.font-display{font-family:"Space Grotesk","Inter",sans-serif;letter-spacing:-.01em;margin:0}
p{line-height:1.65;color:#c9c3e2}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.muted{color:var(--muted)}

/* ===== Preloader ===== */
#preloader{position:fixed;inset:0;background:#050010;z-index:9999;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease, visibility .6s;}
#preloader.done{opacity:0;visibility:hidden}
.pl-inner{position:relative;width:180px;height:180px;display:flex;align-items:center;justify-content:center}
.pl-logo{width:70px;filter:drop-shadow(0 0 20px var(--neon))}
.pl-ring{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--neon);border-right-color:var(--gold);animation:spin 1.4s linear infinite;box-shadow:0 0 40px rgba(199,155,255,.35)}
.pl-percent{position:absolute;bottom:-38px;left:0;right:0;text-align:center;color:var(--neon);letter-spacing:.15em;font-size:13px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Cursor glow / progress / grain ===== */
#cursorGlow{position:fixed;pointer-events:none;width:400px;height:400px;left:-200px;top:-200px;border-radius:50%;background:radial-gradient(closest-side,rgba(199,155,255,.18),transparent 70%);z-index:1;mix-blend-mode:screen;transition:transform .06s linear}
#scrollProgress{position:fixed;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--neon-2),var(--neon),var(--gold));z-index:9998;box-shadow:0 0 12px var(--neon)}
#grain{position:fixed;inset:0;pointer-events:none;z-index:9997;opacity:.04;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}

#stars{position:fixed;inset:0;z-index:0;pointer-events:none}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(14px);background:rgba(5,0,16,.55);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand img{width:34px;height:34px;filter:drop-shadow(0 0 8px var(--neon))}
.brand span{background:linear-gradient(90deg,var(--neon),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-links a{color:#d7d0f0;font-size:14px;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--neon),var(--gold));transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.nav-toggle span{width:26px;height:2px;background:var(--neon);display:block}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.btn i,.btn svg{width:16px;height:16px}
.btn-primary{background:linear-gradient(135deg,var(--neon-2),var(--neon));color:#fff;box-shadow:0 10px 30px rgba(124,58,237,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(199,155,255,.5)}
.btn-ghost{background:rgba(199,155,255,.06);border-color:var(--border);color:var(--fg)}
.btn-ghost:hover{background:rgba(199,155,255,.12);border-color:var(--neon)}

/* ===== Sections ===== */
.section{padding:110px 0;position:relative}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:700;margin-bottom:48px;text-align:center;position:relative;display:inline-block;left:50%;transform:translateX(-50%)}
.section-title .grad{background:linear-gradient(90deg,var(--neon),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.section-title::after{content:"";position:absolute;left:50%;bottom:-12px;transform:translateX(-50%);width:60%;height:2px;background:linear-gradient(90deg,transparent,var(--neon),var(--gold),transparent);box-shadow:0 0 12px var(--neon)}
.eyebrow{color:var(--gold);letter-spacing:.3em;text-transform:uppercase;font-size:12px;margin-bottom:8px}
.sub{font-size:22px;margin-bottom:20px;color:var(--neon)}

/* Planets */
.planet{position:absolute;pointer-events:none;z-index:1;opacity:.85;animation:rot 60s linear infinite}
.planet-hero{right:-100px;top:80px;width:340px;filter:drop-shadow(0 0 40px rgba(199,155,255,.4))}
.planet-moon{right:180px;top:40px;width:80px;animation-duration:25s}
.planet-side{width:260px;top:20%;opacity:.5}
.planet-side.left{left:-120px}
.planet-side.right{right:-120px}
.planet-contact{left:-80px;bottom:10%;width:260px;opacity:.6}
.planet-contact-moon{left:180px;bottom:30%;width:70px;animation-duration:20s}
@keyframes rot{to{transform:rotate(360deg)}}

/* ===== Hero ===== */
.hero{padding-top:150px;min-height:100vh;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:60px;align-items:center}
.hero-title{font-size:clamp(40px,6vw,72px);line-height:1.05;font-weight:700;margin-bottom:10px}
.hero-role{font-size:clamp(20px,2.4vw,30px);font-weight:600;margin-bottom:14px}
.grad{background:linear-gradient(90deg,var(--neon),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-tag{font-size:17px;max-width:560px;margin-bottom:28px}
.rotator{color:var(--gold);border-right:2px solid var(--gold);padding-right:4px;animation:blink 1s step-end infinite}
@keyframes blink{50%{border-color:transparent}}
.hero-cta{display:flex;gap:14px;margin-bottom:36px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:22px;border-radius:var(--radius);position:relative}
.hero-stats.aurora::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:conic-gradient(from 0deg,var(--neon),var(--gold),var(--neon-2),var(--neon));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:rot 8s linear infinite}
.hero-stats{background:var(--glass);backdrop-filter:blur(12px)}
.hero-stats > div{text-align:center}
.hero-stats b{display:block;font-size:26px;color:var(--neon);font-family:"Space Grotesk",sans-serif}
.hero-stats span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.15em}

.hero-photo{position:relative;justify-self:center;width:min(360px,100%);aspect-ratio:1;border-radius:50%;overflow:hidden}
.hero-photo img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.photo-ring{position:absolute;inset:-14px;border-radius:50%;background:conic-gradient(from 0deg,var(--neon),var(--gold),var(--neon-2),var(--neon));animation:rot 10s linear infinite;filter:blur(2px);opacity:.6;z-index:-1}

/* ===== Glass ===== */
.glass{background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:relative;transition:transform .3s,box-shadow .3s,border-color .3s}
.glass:hover{transform:translateY(-4px);border-color:var(--neon);box-shadow:0 20px 50px rgba(124,58,237,.25)}
.glass-mini{background:rgba(199,155,255,.06);border:1px solid var(--border);border-radius:10px;padding:10px 14px;display:flex;flex-direction:column}
.glass-mini b{color:var(--neon)}
.chip{display:inline-block;background:rgba(199,155,255,.12);color:var(--neon);border:1px solid var(--border);padding:4px 10px;border-radius:999px;font-size:12px;margin-bottom:10px}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.lang-list{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:38px}
.timeline::before{content:"";position:absolute;left:14px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,transparent,var(--neon) 15%,var(--gold) 85%,transparent)}
.tl-item{position:relative;margin-bottom:22px}
.tl-dot{position:absolute;left:-38px;top:8px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--neon-2),var(--neon));display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(199,155,255,.6)}
.tl-dot i{width:15px;height:15px;color:#fff}
.tl-body h4{font-size:17px;margin-bottom:4px}
.tl-body p{margin:6px 0 0;font-size:14px}

/* ===== Skills ===== */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.skill-head{display:flex;justify-content:space-between;margin-bottom:10px;font-weight:600}
.skill-head b{color:var(--gold)}
.bar{height:8px;background:rgba(199,155,255,.1);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--neon-2),var(--neon),var(--gold));box-shadow:0 0 12px var(--neon);border-radius:999px;animation:barin 1.4s ease}
@keyframes barin{from{width:0}}
.tech-tags{margin-top:30px;text-align:center;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.tag{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--neon);background:rgba(199,155,255,.05)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ===== Cards Grid ===== */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{text-align:left}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--neon-2),var(--neon));display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 10px 25px rgba(124,58,237,.4)}
.card-icon i{width:26px;height:26px;color:#fff}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14px}

/* ===== Projects ===== */
.proj{padding:0;overflow:hidden}
.proj-img{aspect-ratio:16/10;background:#1a0733 center/cover;position:relative;transition:transform .4s}
.proj:hover .proj-img{transform:scale(1.05)}
.proj-body{padding:20px}
.proj-body h3{font-size:18px;margin-bottom:8px}
.proj-body p{font-size:14px}
.proj-actions{display:flex;gap:10px;margin-top:14px}

/* ===== Blog ===== */
.blog-card{padding:0;overflow:hidden}
.blog-img{aspect-ratio:16/10;background:#1a0733 center/cover}
.blog-body{padding:20px}
.blog-body h3{font-size:18px;margin:8px 0}
.link-arrow{color:var(--neon);display:inline-flex;align-items:center;gap:6px;font-weight:600;margin-top:10px}
.link-arrow i{width:14px;height:14px;transition:transform .2s}
.link-arrow:hover i{transform:translateX(4px)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px}
.contact-item{display:flex;align-items:center;gap:14px;margin-bottom:14px;padding:16px 20px}
.contact-item i{width:22px;height:22px;color:var(--neon)}
.contact-item b{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.15em;margin-bottom:4px}
.contact-item a,.contact-item span{color:var(--fg);font-weight:500}
.socials{display:flex;gap:12px;margin-top:20px}
.socials a{width:44px;height:44px;border-radius:12px;background:rgba(199,155,255,.08);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;transition:.2s}
.socials a:hover{background:linear-gradient(135deg,var(--neon-2),var(--neon));transform:translateY(-3px)}
.socials i{width:18px;height:18px}

.contact-form{padding:28px}
.row{margin-bottom:14px}
.row input,.row textarea{width:100%;padding:14px 16px;border-radius:10px;background:rgba(199,155,255,.05);border:1px solid var(--border);color:var(--fg);font-family:inherit;font-size:14px;transition:.2s}
.row input:focus,.row textarea:focus{outline:none;border-color:var(--neon);background:rgba(199,155,255,.08);box-shadow:0 0 0 3px rgba(199,155,255,.15)}
.form-msg{margin-top:12px;font-size:14px}
.form-msg.ok{color:#7bd88f}
.form-msg.err{color:#ff6b8a}

/* ===== Footer ===== */
.footer{background:#0a0322;border-top:1px solid var(--border);padding:48px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.footer h5{color:var(--neon);margin-bottom:12px;font-size:14px;letter-spacing:.1em;text-transform:uppercase}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:8px}
.footer ul a{color:#c9c3e2}
.footer ul a:hover{color:var(--neon)}
.footer p{margin:6px 0;font-size:14px;display:flex;align-items:center;gap:8px}
.footer i{width:16px;height:16px;color:var(--neon)}
.footer-bar{text-align:center;padding:20px;border-top:1px solid var(--border);margin-top:32px;color:var(--muted);font-size:13px}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* Title FX variations */
.section-title[data-fx]{opacity:0;transform:translateY(20px);transition:opacity .8s,transform .8s}
.section-title[data-fx].in{opacity:1;transform:none}
.section-title[data-fx="blur-in"]{filter:blur(12px)}
.section-title[data-fx="blur-in"].in{filter:blur(0)}

/* Responsive */
@media (max-width:900px){
  .hero-grid,.about-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(5,0,16,.95);flex-direction:column;padding:20px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .nav .btn{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .planet-hero{width:200px;right:-60px;top:auto;bottom:0;opacity:.4}
  .planet-moon,.planet-contact-moon,.planet-side{display:none}
  .section{padding:80px 0}
}

/* Scrollbar */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#0a0322}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--neon-2),var(--neon));border-radius:999px}