:root{
  --bg:#0a0e14;
  --bg-alt:#0f1420;
  --surface:#131926;
  --border:#1f2937;
  --text:#e6edf3;
  --text-dim:#8b98a9;
  --accent:#5eead4;
  --accent-2:#818cf8;
  --font-head:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --radius:14px;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

::selection{background:var(--accent); color:#04120f;}

::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--border); border-radius:10px;}
::-webkit-scrollbar-thumb:hover{background:var(--accent-2);}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
}

.container{
  max-width:1100px;
  margin:0 auto;
  padding:0 24px;
}

.bg-grid{
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size:48px 48px;
  z-index:-2;
  pointer-events:none;
}

.bg-glow{
  position:fixed;
  top:-200px;
  left:50%;
  transform:translateX(-50%);
  width:900px;
  height:600px;
  background:radial-gradient(circle, rgba(94,234,212,0.15) 0%, rgba(129,140,248,0.08) 40%, transparent 70%);
  z-index:-1;
  pointer-events:none;
}

.orb{
  position:fixed;
  border-radius:50%;
  filter:blur(60px);
  z-index:-1;
  pointer-events:none;
  opacity:0.5;
}
.orb-1{
  width:380px; height:380px;
  top:10%; left:-120px;
  background:radial-gradient(circle, rgba(94,234,212,0.25), transparent 70%);
  animation:float1 14s ease-in-out infinite;
}
.orb-2{
  width:320px; height:320px;
  top:55%; right:-100px;
  background:radial-gradient(circle, rgba(129,140,248,0.22), transparent 70%);
  animation:float2 16s ease-in-out infinite;
}
.orb-3{
  width:260px; height:260px;
  bottom:0%; left:30%;
  background:radial-gradient(circle, rgba(192,132,252,0.16), transparent 70%);
  animation:float1 18s ease-in-out infinite reverse;
}
@keyframes float1{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(40px,-30px);}
}
@keyframes float2{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(-30px,40px);}
}

/* NAVBAR */
.navbar{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter:blur(12px);
  background:rgba(10,14,20,0.5);
  border-bottom:1px solid transparent;
  transition:background .3s, border-color .3s, box-shadow .3s;
}
.navbar.scrolled{
  background:rgba(10,14,20,0.85);
  border-bottom-color:var(--border);
  box-shadow:0 8px 24px rgba(0,0,0,0.25);
}

.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1);
}
.reveal-in{
  opacity:1;
  transform:translateY(0);
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
}

.logo{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1.4rem;
  color:var(--text);
  text-decoration:none;
  letter-spacing:1px;
  transition:transform .25s;
  display:inline-block;
}
.logo:hover{transform:scale(1.05);}
.logo span{color:var(--accent);}

nav{
  display:flex;
  gap:32px;
}

nav a{
  color:var(--text-dim);
  text-decoration:none;
  font-size:0.95rem;
  font-weight:500;
  transition:color .2s;
  position:relative;
  padding-bottom:4px;
}
nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:0%;
  height:2px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width .3s ease;
}
nav a:hover{color:var(--accent);}
nav a:hover::after{width:100%;}

.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.menu-toggle span{
  width:24px;
  height:2px;
  background:var(--text);
  display:block;
}

/* HERO */
.hero{
  min-height:88vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:40px;
}

.eyebrow{
  color:var(--accent);
  font-family:var(--font-head);
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  font-size:0.9rem;
  margin-bottom:16px;
  opacity:0;
  animation:fadeUp .7s ease forwards;
}

.hero h1{
  font-family:var(--font-head);
  font-size:clamp(2.8rem, 8vw, 5.5rem);
  font-weight:700;
  line-height:1.05;
  background:linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  opacity:0;
  animation:fadeUp .8s ease .1s forwards;
}

.hero h2.typewriter{opacity:0; animation:fadeUp .8s ease .25s forwards;}
.hero-desc{opacity:0; animation:fadeUp .8s ease .4s forwards;}
.hero-actions{opacity:0; animation:fadeUp .8s ease .55s forwards;}

@keyframes fadeUp{
  from{opacity:0; transform:translateY(18px);}
  to{opacity:1; transform:translateY(0);}
}

.hero h2.typewriter{
  font-family:var(--font-head);
  font-size:clamp(1.4rem, 4vw, 2.2rem);
  color:var(--text-dim);
  font-weight:500;
  margin-top:12px;
  min-height:1.4em;
}

.cursor{
  color:var(--accent);
  animation:blink 1s step-start infinite;
}
@keyframes blink{50%{opacity:0;}}

.hero-desc{
  max-width:560px;
  color:var(--text-dim);
  font-size:1.05rem;
  margin-top:20px;
}

.hero-actions{
  display:flex;
  gap:16px;
  margin-top:36px;
  flex-wrap:wrap;
}

.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  text-decoration:none;
  font-weight:600;
  font-size:0.95rem;
  transition:transform .2s, box-shadow .2s, background .2s;
  overflow:hidden;
}
.btn::after{
  content:"";
  position:absolute;
  top:0; left:-120%;
  width:60%; height:100%;
  background:linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transform:skewX(-20deg);
  transition:left .6s ease;
}
.btn:hover::after{left:130%;}

.btn-primary{
  background:var(--accent);
  color:#04120f;
  box-shadow:0 0 0 rgba(94,234,212,0.4);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(94,234,212,0.25);
}

.btn-outline{
  border:1px solid var(--border);
  color:var(--text);
}
.btn-outline:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}

.btn.big{
  font-size:1.05rem;
  padding:18px 36px;
}

/* SECTIONS */
.section{
  padding:110px 24px;
}

.section-title{
  font-family:var(--font-head);
  font-size:clamp(1.6rem, 4vw, 2.2rem);
  font-weight:600;
  margin-bottom:48px;
  display:flex;
  align-items:center;
  gap:12px;
  position:relative;
  padding-bottom:18px;
}
.section-title::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:64px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
}
.section-title.center{
  justify-content:center;
}
.section-title.center::after{
  left:50%;
  transform:translateX(-50%);
}

.section-title .num{
  color:var(--accent);
  font-family:var(--font-head);
}

/* ABOUT */
.about-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:48px;
  align-items:start;
}

.about-text p{
  color:var(--text-dim);
  margin-bottom:18px;
  font-size:1.05rem;
}

.about-card{
  position:relative;
  background:linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  backdrop-filter:blur(8px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  overflow:hidden;
  transition:transform .3s, border-color .3s;
}
.about-card::before{
  content:"";
  position:absolute;
  top:-40%; left:-20%;
  width:180px; height:180px;
  background:radial-gradient(circle, rgba(94,234,212,0.18), transparent 70%);
  pointer-events:none;
}
.about-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent);
}

.facts{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:18px;
  position:relative;
  z-index:1;
}
.facts li{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--text-dim);
  font-size:0.98rem;
}
.facts li span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border);
  flex-shrink:0;
}

/* SKILLS */
.skills-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:24px;
}

.skill-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 24px;
  transition:transform .3s, border-color .3s, box-shadow .3s;
}
.skill-card:hover{
  transform:translateY(-6px);
  border-color:var(--accent);
  box-shadow:0 16px 36px rgba(0,0,0,0.35);
}

.skill-icon{
  font-size:1.7rem;
  margin-bottom:18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;
  height:56px;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(94,234,212,0.15), rgba(129,140,248,0.1));
  border:1px solid var(--border);
  transition:transform .3s;
}
.skill-card:hover .skill-icon{
  transform:rotate(-6deg) scale(1.08);
}

.skill-card h4{
  font-family:var(--font-head);
  font-size:1.15rem;
  margin-bottom:8px;
}
.skill-card p{
  color:var(--text-dim);
  font-size:0.92rem;
}

/* PROJECTS */
.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:28px;
}

.project-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s, border-color .3s;
  opacity:0;
  transform:translateY(24px);
  animation:cardIn .6s cubic-bezier(.2,.8,.2,1) forwards;
}
.projects-grid .project-card:nth-child(1){animation-delay:.05s;}
.projects-grid .project-card:nth-child(2){animation-delay:.12s;}
.projects-grid .project-card:nth-child(3){animation-delay:.19s;}
.projects-grid .project-card:nth-child(4){animation-delay:.26s;}
.projects-grid .project-card:nth-child(5){animation-delay:.33s;}
.projects-grid .project-card:nth-child(6){animation-delay:.4s;}

@keyframes cardIn{
  to{opacity:1; transform:translateY(0);}
}

.project-card::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .35s;
  pointer-events:none;
  background:var(--card-glow);
}
.project-card:hover::before{opacity:1;}

.project-card:hover{
  transform:translateY(-8px) scale(1.015);
  box-shadow:0 20px 45px rgba(0,0,0,0.4);
  border-color:var(--card-accent);
}

.app-link{
  color:inherit;
  text-decoration:none;
  display:block;
  cursor:pointer;
}

.luna-icon{
  background:radial-gradient(circle at 40% 35%, rgba(124,58,237,0.35), #0a0e14 75%) !important;
  box-shadow:0 0 18px rgba(157,78,221,0.4);
  transition:transform .3s, box-shadow .3s;
  width:60px !important;
  height:60px !important;
}
.project-card.app-5:hover .luna-icon{
  box-shadow:0 0 30px rgba(157,78,221,0.6);
}

.ext-arrow{
  display:inline-block;
  font-size:0.8em;
  color:var(--card-accent);
  opacity:0;
  transform:translate(-4px, 4px);
  transition:opacity .25s, transform .25s;
}
.project-card:hover .ext-arrow{
  opacity:1;
  transform:translate(0,0);
}

.app-1{--card-accent:#f87171; --card-glow:radial-gradient(circle at 30% 0%, rgba(248,113,113,0.14), transparent 60%);}
.app-2{--card-accent:#5eead4; --card-glow:radial-gradient(circle at 30% 0%, rgba(94,234,212,0.14), transparent 60%);}
.app-3{--card-accent:#818cf8; --card-glow:radial-gradient(circle at 30% 0%, rgba(129,140,248,0.14), transparent 60%);}
.app-4{--card-accent:#fbbf24; --card-glow:radial-gradient(circle at 30% 0%, rgba(251,191,36,0.14), transparent 60%);}
.app-5{--card-accent:#c084fc; --card-glow:radial-gradient(circle at 30% 0%, rgba(192,132,252,0.14), transparent 60%);}
.app-6{--card-accent:#34d399; --card-glow:radial-gradient(circle at 30% 0%, rgba(52,211,153,0.14), transparent 60%);}

.project-top{
  display:flex;
  justify-content:space-between;
  margin-bottom:20px;
  position:relative;
  z-index:1;
}
.folder{
  font-size:1.9rem;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;
  height:56px;
  border-radius:16px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  transition:transform .3s, border-color .3s;
}
.project-card:hover .folder{
  transform:rotate(-6deg) scale(1.08);
  border-color:var(--card-accent);
}

.project-card h4{
  font-family:var(--font-head);
  font-size:1.2rem;
  margin-bottom:10px;
  position:relative;
  z-index:1;
}
.project-card p{
  color:var(--text-dim);
  font-size:0.92rem;
  margin-bottom:18px;
  position:relative;
  z-index:1;
}
.project-card .tags{position:relative; z-index:1;}
.project-card .tags span{
  border-color:var(--card-accent);
  color:var(--card-accent);
}

.tags{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.tags span{
  font-size:0.78rem;
  color:var(--accent-2);
  border:1px solid var(--border);
  padding:4px 10px;
  border-radius:999px;
}

/* CONTACT */
.contact-section{
  text-align:center;
}
.contact-desc{
  color:var(--text-dim);
  max-width:520px;
  margin:0 auto 36px;
}

.contact-section .btn.big{
  animation:pulseGlow 2.4s ease-in-out infinite;
}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(94,234,212,0.35);}
  50%{box-shadow:0 0 0 14px rgba(94,234,212,0);}
}

/* FOOTER */
.footer{
  position:relative;
  border-top:1px solid var(--border);
  padding:28px 0;
  text-align:center;
  color:var(--text-dim);
  font-size:0.85rem;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px; left:50%;
  transform:translateX(-50%);
  width:120px;
  height:1px;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* RESPONSIVE */
@media (max-width:768px){
  nav{
    position:absolute;
    top:70px;
    left:0;
    right:0;
    background:rgba(10,14,20,0.97);
    backdrop-filter:blur(10px);
    flex-direction:column;
    padding:0 24px;
    gap:20px;
    border-bottom:1px solid var(--border);
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .35s ease, opacity .3s ease, padding .35s ease;
  }
  nav.open{
    max-height:320px;
    opacity:1;
    padding:24px;
  }
  .menu-toggle{display:flex;}
  .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle.open span:nth-child(2){opacity:0;}
  .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .menu-toggle span{transition:transform .25s, opacity .25s;}
  .about-grid{grid-template-columns:1fr;}
}