/* =========================================================
   NIKORA — Web3 Portfolio
   Tokens
========================================================= */
:root{
  --void:#04050c;
  --deep:#0a0e1e;
  --deep-2:#0d1224;
  --surface: rgba(255,255,255,0.045);
  --surface-strong: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.09);
  --blue:#3E7BFA;
  --purple:#9B5CFF;
  --cyan:#22E1FF;
  --text:#E9ECF8;
  --muted:#94A0C2;
  --muted-2:#5D6790;
  --font-display:'Orbitron', sans-serif;
  --font-body:'Space Grotesk', sans-serif;
  --radius:20px;
  --ease:cubic-bezier(.19,1,.22,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--void);
  color:var(--text);
  font-family:var(--font-body);
  overflow-x:hidden;
  min-height:100vh;
  line-height:1.6;
}
::selection{background:var(--purple);color:#fff;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
img{max-width:100%;display:block;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important;}
}

/* =========================================================
   LOADER
========================================================= */
#loader{
  position:fixed;inset:0;z-index:9999;
  background:radial-gradient(circle at 50% 40%, #0d1330 0%, var(--void) 70%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;
  transition:opacity .8s var(--ease), visibility .8s var(--ease);
}
#loader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.loader-inner{position:relative;width:140px;height:140px;display:flex;align-items:center;justify-content:center;}
.loader-ring{
  position:absolute;inset:0;border-radius:50%;
  border:2px solid transparent;
  border-top-color:var(--cyan);
  border-right-color:var(--blue);
  animation:spin 1.4s linear infinite;
}
.loader-ring.ring-2{
  inset:16px;
  border-top-color:var(--purple);
  border-right-color:transparent;
  border-bottom-color:var(--cyan);
  animation:spin 1.8s linear infinite reverse;
}
.loader-logo{
  font-family:var(--font-display);
  font-weight:800;font-size:1.05rem;letter-spacing:.15em;
  background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.loader-bar{width:220px;height:3px;background:rgba(255,255,255,0.08);border-radius:4px;overflow:hidden;}
.loader-bar span{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,var(--blue),var(--cyan),var(--purple));
  animation:loadbar 2.2s var(--ease) forwards;
  box-shadow:0 0 12px var(--cyan);
}
.loader-text{font-size:.68rem;letter-spacing:.25em;color:var(--muted-2);text-transform:uppercase;}
@keyframes loadbar{0%{width:0%}100%{width:100%}}
@keyframes spin{to{transform:rotate(360deg);}}

/* =========================================================
   BACKGROUND — space, planet, particles, grid
========================================================= */
.bg-space{
  position:fixed;inset:0;z-index:0;overflow:hidden;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(59,80,220,0.16), transparent 55%),
    radial-gradient(ellipse at 85% 80%, rgba(155,92,255,0.14), transparent 55%),
    linear-gradient(180deg, var(--void) 0%, var(--deep) 45%, var(--void) 100%);
}
#particles{position:absolute;inset:0;width:100%;height:100%;}
.grid-overlay{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse at 50% 20%, black 10%, transparent 70%);
  opacity:.6;
}
.network-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.35;}

/* Planet */
.planet-wrap{
  position:absolute;
  top:8%;
  right:-14%;
  width:640px;height:640px;
  transform-style:preserve-3d;
}
@media (max-width:1024px){
  .planet-wrap{width:460px;height:460px;top:4%;right:-22%;}
}
@media (max-width:640px){
  .planet-wrap{width:320px;height:320px;top:2%;right:-30%;opacity:.85;}
}
.planet{
  position:absolute;inset:0;border-radius:50%;
  background:
    radial-gradient(circle at 35% 30%, #2c62ff 0%, #142a8a 35%, #060c2c 75%, #020412 100%);
  box-shadow:
    inset -40px -30px 90px rgba(0,0,0,0.65),
    inset 20px 10px 60px rgba(120,170,255,0.25),
    0 0 120px rgba(62,123,250,0.35);
  overflow:hidden;
  animation:rotatePlanet 40s linear infinite;
}
.planet-shading{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 60% 65%, rgba(155,92,255,0.35), transparent 40%),
    repeating-linear-gradient(100deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 40px);
  mix-blend-mode:screen;
  animation:rotatePlanet 70s linear infinite reverse;
}
.planet-clouds{
  position:absolute;inset:-10%;
  background:
    radial-gradient(circle at 30% 40%, rgba(255,255,255,0.10) 0%, transparent 12%),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,0.08) 0%, transparent 10%),
    radial-gradient(circle at 50% 80%, rgba(34,225,255,0.10) 0%, transparent 14%);
  animation:rotatePlanet 55s linear infinite;
}
@keyframes rotatePlanet{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}

.planet-glow{
  position:absolute;inset:-60px;border-radius:50%;
  background:radial-gradient(circle, rgba(62,123,250,0.18), transparent 65%);
  filter:blur(10px);
  pointer-events:none;
}
.orbit{
  position:absolute;top:50%;left:50%;
  border:1px solid rgba(120,160,255,0.18);
  border-radius:50%;
  transform:translate(-50%,-50%) rotateX(72deg);
}
.orbit-1{width:120%;height:120%;animation:spin 18s linear infinite;}
.orbit-2{width:145%;height:145%;animation:spin 30s linear infinite reverse;border-color:rgba(155,92,255,0.16);}
.sat{
  position:absolute;top:-4px;left:50%;
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px 3px var(--cyan);
  transform:translateX(-50%);
}
.sat-2{background:var(--purple);box-shadow:0 0 12px 3px var(--purple);}

#cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;
  border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle, rgba(62,123,250,0.10), transparent 65%);
  transform:translate(-50%,-50%);
  transition:opacity .3s;
  will-change:transform;
}

/* =========================================================
   GLASSMORPHISM
========================================================= */
.glass{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 8px 32px rgba(0,0,0,0.35);
}

/* =========================================================
   NAVBAR
========================================================= */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 6vw;
  background:rgba(4,5,12,0.55);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.logo{
  font-family:var(--font-display);font-weight:800;font-size:1.15rem;letter-spacing:.08em;color:var(--text);
}
.logo span{
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-links{display:flex;gap:36px;}
.nav-links a{
  font-size:.86rem;letter-spacing:.03em;color:var(--muted);
  position:relative;transition:color .3s;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-6px;width:0;height:1px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{width:100%;}
.nav-cta{padding:10px 22px;font-size:.82rem;}
.burger{display:none;flex-direction:column;gap:5px;width:26px;z-index:110;}
.burger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:.3s;}

@media (max-width:860px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:rgba(8,10,22,0.97);backdrop-filter:blur(20px);
    flex-direction:column;justify-content:center;align-items:flex-start;
    padding:0 40px;gap:28px;
    transform:translateX(100%);transition:transform .45s var(--ease);
    border-left:1px solid var(--border);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:1.1rem;}
  .nav-cta{display:none;}
  .burger{display:flex;}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger.open span:nth-child(2){opacity:0;}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
}

/* =========================================================
   BUTTONS
========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 34px;border-radius:100px;font-size:.9rem;font-weight:600;
  letter-spacing:.02em;transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(90deg,var(--blue),var(--purple));
  color:#fff;
  box-shadow:0 0 0 rgba(62,123,250,0);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(62,123,250,0.35), 0 0 40px rgba(155,92,255,0.25);
}
.btn-outline{
  border:1px solid rgba(255,255,255,0.22);color:var(--text);
  background:rgba(255,255,255,0.02);
}
.btn-outline:hover{
  border-color:var(--cyan);
  box-shadow:0 0 24px rgba(34,225,255,0.25);
  transform:translateY(-3px);
}
.btn-glass{
  padding:10px 22px;background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(10px);
}
.btn-glass:hover{border-color:var(--cyan);box-shadow:0 0 20px rgba(34,225,255,0.2);}

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative;z-index:2;
  min-height:100vh;
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  padding:140px 6vw 100px;
}
.hero-content{max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;letter-spacing:.2em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:22px;
  padding:8px 16px;border:1px solid rgba(34,225,255,0.25);border-radius:100px;
  background:rgba(34,225,255,0.05);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:pulse 1.6s ease-in-out infinite;}
.eyebrow.center{margin:0 auto 18px;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(1.3);}}

.hero-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(3.4rem, 11vw, 8.5rem);
  line-height:.95;
  letter-spacing:.02em;
  background:linear-gradient(120deg, #fff 10%, var(--cyan) 45%, var(--blue) 65%, var(--purple) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 40px rgba(62,123,250,0.25));
  margin-bottom:20px;
}
.hero-subtitle{
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  font-family:var(--font-display);
  font-size:clamp(1.1rem, 2.6vw, 1.7rem);
  color:var(--muted);
  margin-bottom:26px;
}
.cycle-wrap{position:relative;min-width:280px;display:inline-block;}
.cycle-text{
  color:var(--text);
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  border-bottom:2px solid rgba(34,225,255,0.4);
  padding-bottom:2px;
  display:inline-block;
}
.hero-bio{
  max-width:620px;color:var(--muted);font-size:1.05rem;line-height:1.8;margin-bottom:38px;
}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;gap:4px;}
.stat strong{
  font-family:var(--font-display);font-size:1.7rem;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:.78rem;color:var(--muted-2);letter-spacing:.05em;text-transform:uppercase;}

.scroll-hint{
  position:absolute;bottom:36px;left:6vw;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:.68rem;letter-spacing:.2em;color:var(--muted-2);text-transform:uppercase;
}
.scroll-hint span{
  width:1px;height:34px;
  background:linear-gradient(180deg, var(--cyan), transparent);
  animation:scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

/* =========================================================
   SECTIONS — shared
========================================================= */
.section{position:relative;z-index:2;padding:130px 6vw;}
.section-head{max-width:680px;margin:0 auto 64px;text-align:center;}
.section-head h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(2rem, 4.4vw, 3rem);
  color:var(--text);
}
.section-sub{color:var(--muted);margin-top:14px;font-size:1rem;}

/* =========================================================
   ABOUT
========================================================= */
.about-grid{
  display:grid;grid-template-columns:340px 1fr;gap:36px;
  max-width:1100px;margin:0 auto;align-items:stretch;
}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;}}

.profile-card{
  position:relative;padding:44px 30px;text-align:center;overflow:hidden;
  transition:transform .4s var(--ease);
}
.profile-card:hover{transform:translateY(-6px);}
.profile-glow{
  position:absolute;top:-40%;left:50%;width:260px;height:260px;
  background:radial-gradient(circle, rgba(62,123,250,0.35), transparent 65%);
  transform:translateX(-50%);filter:blur(10px);
}
.profile-avatar{
  position:relative;width:120px;height:120px;margin:0 auto 22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:linear-gradient(135deg, rgba(62,123,250,0.25), rgba(155,92,255,0.25));
}
.profile-avatar span{
  font-family:var(--font-display);font-size:2.6rem;font-weight:800;color:var(--text);
}
.avatar-ring{
  position:absolute;inset:-8px;border-radius:50%;
  border:1.5px dashed rgba(34,225,255,0.4);
  animation:spin 12s linear infinite;
}
.profile-card h3{font-family:var(--font-display);font-size:1.4rem;margin-bottom:6px;}
.profile-role{color:var(--cyan);font-size:.85rem;letter-spacing:.03em;margin-bottom:22px;}
.profile-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:24px;}
.profile-tags li{
  font-size:.72rem;padding:6px 12px;border-radius:100px;
  border:1px solid var(--border);color:var(--muted);
}
.profile-status{
  display:inline-flex;align-items:center;gap:8px;font-size:.75rem;color:var(--muted);
  border-top:1px solid var(--border);padding-top:18px;width:100%;justify-content:center;
}
.pulse{width:8px;height:8px;border-radius:50%;background:#3EE07E;box-shadow:0 0 10px #3EE07E;animation:pulse 1.6s ease-in-out infinite;}

.about-text{padding:46px 42px;display:flex;flex-direction:column;justify-content:center;gap:26px;}
.about-text > p{color:var(--muted);font-size:1.02rem;line-height:1.85;}
.about-points{display:flex;flex-direction:column;gap:14px;}
.point{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--text);}
.point-ico{color:var(--cyan);flex-shrink:0;}

/* =========================================================
   SERVICES
========================================================= */
.services-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  max-width:1200px;margin:0 auto;
}
@media (max-width:980px){.services-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.services-grid{grid-template-columns:1fr;}}

.service-card{
  padding:42px 28px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.service-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(160deg, rgba(62,123,250,0.12), rgba(155,92,255,0.06) 60%, transparent);
  opacity:0;transition:opacity .4s;
}
.service-card:hover{
  transform:translateY(-10px);
  border-color:rgba(34,225,255,0.35);
  box-shadow:0 20px 50px rgba(20,30,80,0.4), 0 0 30px rgba(62,123,250,0.15);
}
.service-card:hover::before{opacity:1;}
.service-icon{
  font-size:2.1rem;margin-bottom:22px;
  width:64px;height:64px;display:flex;align-items:center;justify-content:center;
  border-radius:16px;background:rgba(255,255,255,0.05);border:1px solid var(--border);
  position:relative;z-index:1;
}
.service-card h3{font-size:1.15rem;margin-bottom:10px;position:relative;z-index:1;}
.service-card p{color:var(--muted);font-size:.92rem;position:relative;z-index:1;}

/* =========================================================
   SKILLS
========================================================= */
.skills-grid{
  max-width:820px;margin:0 auto;padding:50px 48px;
  display:flex;flex-direction:column;gap:30px;
}
@media (max-width:640px){.skills-grid{padding:36px 22px;}}
.skill-label{display:flex;justify-content:space-between;margin-bottom:10px;font-size:.92rem;}
.skill-pct{color:var(--cyan);font-family:var(--font-display);font-size:.85rem;}
.skill-track{
  height:8px;border-radius:100px;background:rgba(255,255,255,0.06);overflow:hidden;
  border:1px solid var(--border);
}
.skill-fill{
  height:100%;width:0%;border-radius:100px;
  background:linear-gradient(90deg,var(--blue),var(--cyan),var(--purple));
  box-shadow:0 0 14px rgba(62,123,250,0.5);
  transition:width 1.4s var(--ease);
}

/* =========================================================
   CONTACT
========================================================= */
.contact-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;
  max-width:1100px;margin:0 auto;align-items:start;
}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-cards{display:flex;flex-direction:column;gap:22px;}
.contact-card{
  display:flex;align-items:center;gap:18px;padding:26px;
  transition:transform .35s var(--ease), border-color .35s;
}
.contact-card:hover{transform:translateY(-5px) translateX(3px);border-color:rgba(34,225,255,0.35);}
.contact-icon{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;
  background:linear-gradient(135deg, rgba(62,123,250,0.25), rgba(34,225,255,0.15));
}
.contact-card h4{font-size:1rem;margin-bottom:4px;}
.contact-card span{color:var(--muted);font-size:.86rem;}
.contact-arrow{margin-left:auto;color:var(--cyan);font-size:1.2rem;transition:transform .3s;}
.contact-card:hover .contact-arrow{transform:translateX(4px);}

.contact-form{padding:38px;display:flex;flex-direction:column;gap:20px;}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row label{font-size:.8rem;color:var(--muted);letter-spacing:.03em;}
.form-row input, .form-row textarea{
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px 16px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:.94rem;
  resize:vertical;
  transition:border-color .3s, box-shadow .3s;
}
.form-row input:focus, .form-row textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,225,255,0.12);
}
.form-row input::placeholder, .form-row textarea::placeholder{color:var(--muted-2);}
.form-submit{position:relative;margin-top:6px;}
.btn-loader{
  display:none;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,0.4);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
.form-submit.loading .btn-text{opacity:.6;}
.form-submit.loading .btn-loader{display:inline-block;}
.form-status{font-size:.85rem;min-height:20px;color:var(--cyan);}
.form-status.error{color:#ff6b81;}

/* =========================================================
   FOOTER
========================================================= */
.footer{
  position:relative;z-index:2;
  text-align:center;padding:70px 6vw 40px;
  border-top:1px solid var(--border);
  overflow:hidden;
}
.footer-glow{
  position:absolute;bottom:-100px;left:50%;transform:translateX(-50%);
  width:500px;height:200px;
  background:radial-gradient(ellipse, rgba(62,123,250,0.18), transparent 70%);
}
.footer-brand{
  font-family:var(--font-display);font-weight:800;font-size:1.3rem;letter-spacing:.08em;
  position:relative;z-index:1;
}
.footer-brand span{color:var(--muted-2);font-weight:400;font-size:.9rem;margin-left:8px;}
.footer-tag{color:var(--muted);font-size:.85rem;margin-top:10px;letter-spacing:.02em;position:relative;z-index:1;}
.footer-links{margin-top:20px;display:flex;gap:14px;justify-content:center;color:var(--muted-2);font-size:.85rem;position:relative;z-index:1;}
.footer-links a:hover{color:var(--cyan);}
#backToTop{
  margin-top:34px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--border);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);font-size:1.1rem;transition:transform .3s, border-color .3s;
  position:relative;z-index:1;
}
#backToTop:hover{transform:translateY(-4px);border-color:var(--cyan);}

/* =========================================================
   SCROLL REVEAL
========================================================= */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* =========================================================
   FOCUS
========================================================= */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;
}