/* ===========================
   SPIDER-MAN THEME PORTFOLIO
   Author: Keshav Raja
   =========================== */

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

html { scroll-behavior: smooth; }

:root{
  --bg:#05060b;
  --glass: rgba(255,255,255,0.06);
  --glass2: rgba(255,255,255,0.09);
  --stroke: rgba(255,255,255,0.12);

  --red:#ff2b4a;
  --blue:#00b7ff;
  --purple:#b100ff;
  --neon:#00ff88;

  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
}

body{
  font-family: "Poppins", sans-serif;
  background: radial-gradient(circle at 25% 10%, rgba(255,43,74,0.15), transparent 45%),
              radial-gradient(circle at 85% 30%, rgba(0,183,255,0.14), transparent 50%),
              radial-gradient(circle at 55% 90%, rgba(177,0,255,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
  overflow-x: hidden;
  opacity: 0;
  animation: pageIn 0.7s ease forwards;
}

@keyframes pageIn{
  to{ opacity: 1; }
}

/* ========= Loader ========= */
.loader{
  position: fixed;
  inset: 0;
  z-index: 99999;
  display:flex;
  align-items:center;
  justify-content:center;
  background: #05060b;
}

.loader-card{
  width: 280px;
  padding: 2rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  text-align:center;
  box-shadow: 0 20px 80px rgba(255,43,74,0.08);
}

.mask{
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto 14px auto;
  background:
    radial-gradient(circle at 30% 40%, rgba(0,0,0,0.9), transparent 42%),
    radial-gradient(circle at 70% 40%, rgba(0,0,0,0.9), transparent 42%),
    radial-gradient(circle, rgba(255,43,74,0.95), rgba(255,43,74,0.35));
  border: 2px solid rgba(255,255,255,0.12);
  animation: pulse 1.1s infinite ease-in-out;
}

@keyframes pulse{
  0%,100%{ transform: scale(1); filter: drop-shadow(0 0 0 rgba(255,43,74,0.0)); }
  50%{ transform: scale(1.08); filter: drop-shadow(0 0 25px rgba(255,43,74,0.35)); }
}

.loader p{
  color: var(--muted);
  font-weight: 600;
}

/* ========= Cursor Glow ========= */
.cursor-glow{
  position: fixed;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255,43,74,0.18), transparent 65%);
  pointer-events:none;
  transform: translate(-50%,-50%);
  z-index: 1;
  filter: blur(10px);
}

/* ========= Scroll Progress ========= */
.scroll-progress{
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  z-index: 9999;
  background: linear-gradient(90deg, var(--red), var(--blue), var(--purple));
}

/* ========= Web Grid Background ========= */
.web-bg{
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 20%, rgba(0,0,0,1), transparent 70%);
  opacity: 0.9;
}

/* ========= Floating Web Particles ========= */
.particles{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events:none;
}

.particle{
  position:absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,183,255,0.9), transparent);
  opacity: 0.6;
  animation: float 8s linear infinite;
}

@keyframes float{
  0%{ transform: translateY(0) translateX(0); opacity: 0.4; }
  50%{ transform: translateY(-30px) translateX(20px); opacity: 0.9; }
  100%{ transform: translateY(0) translateX(0); opacity: 0.4; }
}

/* ========= Container ========= */
.container{
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* ========= Navbar ========= */
.navbar{
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-container{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 1rem 0;
}

/* Spider Logo Text */
.logo{
  text-decoration:none;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 1px;
  background: linear-gradient(45deg, var(--red), var(--blue));
  -webkit-background-clip:text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.logo::after{
  content:"";
  position:absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: 0.65;
}

/* Nav Links */
.nav-links{
  list-style:none;
  display:flex;
  gap: 2rem;
}

.nav-links a{
  color: rgba(255,255,255,0.82);
  text-decoration:none;
  font-weight: 600;
  position: relative;
  transition: 0.25s;
}

.nav-links a:hover,
.nav-links a.active{
  color: var(--red);
}

.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:0%;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  transition: 0.25s;
}

.nav-links a:hover::after,
.nav-links a.active::after{
  width:100%;
}

.menu-btn{
  display:none;
  background: transparent;
  border:none;
  color:white;
  font-size: 1.8rem;
  cursor:pointer;
}

.mobile-menu{
  display:none;
  flex-direction: column;
  padding: 1rem 5%;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.mobile-menu a{
  padding: 0.75rem 0;
  color: rgba(255,255,255,0.85);
  text-decoration:none;
  font-weight: 600;
}

.mobile-menu.show{ display:flex; }

/* ========= HERO ========= */
.hero{
  padding: 6rem 0 4rem;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items:center;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: rgba(255,43,74,0.10);
  border: 1px solid rgba(255,43,74,0.30);
  color: rgba(255,255,255,0.9);
  font-weight: 700;
}

.badge .dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 18px rgba(255,43,74,0.45);
}

/* Glitch Title */
.hero-title{
  margin-top: 1.2rem;
  font-size: 3.8rem;
  line-height: 1.02;
  font-weight: 800;
  position: relative;
}

.hero-title span{
  background: linear-gradient(45deg, var(--red), var(--blue), var(--purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color: transparent;
}

.hero-title::before,
.hero-title::after{
  content: attr(data-text);
  position:absolute;
  left: 0;
  top: 0;
  width: 100%;
  opacity: 0.25;
  clip-path: inset(0 0 0 0);
}

.hero-title::before{
  transform: translate(2px, 0);
  color: var(--blue);
  animation: glitch 2.8s infinite;
}
.hero-title::after{
  transform: translate(-2px, 0);
  color: var(--red);
  animation: glitch 2.8s infinite reverse;
}

@keyframes glitch{
  0%{ clip-path: inset(0 0 92% 0); }
  10%{ clip-path: inset(15% 0 50% 0); }
  25%{ clip-path: inset(60% 0 10% 0); }
  40%{ clip-path: inset(8% 0 72% 0); }
  60%{ clip-path: inset(40% 0 40% 0); }
  75%{ clip-path: inset(0 0 92% 0); }
  100%{ clip-path: inset(0 0 92% 0); }
}

.hero-desc{
  margin-top: 1.2rem;
  max-width: 650px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 1.05rem;
}

.hero-buttons{
  display:flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn{
  position: relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration:none;
  color: #000;
  background: linear-gradient(45deg, var(--red), var(--blue));
  transition: 0.25s;
  overflow:hidden;
}

.btn::before{
  content:"";
  position:absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: translateX(-120%);
  transition: transform 0.55s;
}

.btn:hover::before{
  transform: translateX(120%);
}

.btn:hover{
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 30px 70px rgba(255,43,74,0.12);
}

.btn-secondary{
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.18);
}

/* Right Hero Card */
.hero-card{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 1.3rem;
  backdrop-filter: blur(18px);
  overflow:hidden;
  position: relative;
}

.hero-card::after{
  content:"";
  position:absolute;
  top:-50%;
  left:-50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,183,255,0.12), transparent 60%);
  animation: rotateGlow 9s linear infinite;
}

@keyframes rotateGlow{
  100%{ transform: rotate(360deg); }
}

.hero-card-inner{
  position: relative;
  z-index: 2;
  display:flex;
  flex-direction: column;
  gap: 1rem;
}

.profile{
  display:flex;
  gap: 1rem;
  align-items:center;
}

.profile img{
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,43,74,0.55);
  box-shadow: 0 0 25px rgba(255,43,74,0.18);
}

.profile h3{
  font-size: 1.1rem;
  font-weight: 800;
}

.profile p{
  color: var(--muted);
  font-size: 0.9rem;
}

/* 3D Model Box */
.model-box{
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,0.12);
  height: 300px;
  background: rgba(0,0,0,0.35);
}

.model-caption{
  color: var(--muted);
  font-size: 0.92rem;
}

/* ========= Sections ========= */
.page-section{
  padding: 4.5rem 0;
}

.section-title{
  text-align:center;
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  background: linear-gradient(45deg, var(--red), var(--blue));
  -webkit-background-clip:text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle{
  text-align:center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
  color: var(--muted);
}

/* ========= About ========= */
.about-box{
  padding: 2rem;
  border-radius: 24px;
  background: var(--glass);
  border: 1px solid var(--stroke);
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  position: relative;
  overflow:hidden;
}

.about-box::before{
  content:"";
  position:absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent);
  transform: translateX(-120%);
  transition: 0.6s;
}

.about-box:hover::before{
  transform: translateX(120%);
}

/* ========= Skills ========= */
.skills-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.skill{
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 1.2rem;
  backdrop-filter: blur(16px);
}

.skill p{
  font-weight: 800;
  margin-bottom: 0.8rem;
}

.progress-bar{
  width:100%;
  height: 26px;
  border-radius: 14px;
  background: rgba(255,255,255,0.10);
  overflow:hidden;
}

.progress{
  width:0%;
  height: 100%;
  border-radius: 14px;
  background: linear-gradient(90deg, var(--red), var(--blue), var(--purple));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#000;
  font-weight: 900;
  transition: 1.3s ease;
}

/* ========= Projects ========= */
.projects-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(290px,1fr));
  gap: 1.6rem;
  margin-top: 2rem;
}

.project-card{
  cursor:pointer;
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 22px;
  overflow:hidden;
  transition: 0.35s;
  position: relative;
}

.project-card:hover{
  transform: translateY(-10px);
  border-color: rgba(255,43,74,0.35);
  box-shadow: 0 40px 80px rgba(255,43,74,0.12);
}

.project-card::before{
  content:"";
  position:absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: translateX(-120%);
  transition: 0.65s;
}

.project-card:hover::before{
  transform: translateX(120%);
}

.project-image{
  width:100%;
  height: 180px;
  object-fit: cover;
}

.project-content{
  padding: 1.2rem;
}

.project-content h3{
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 0.6rem;
}

.project-content p{
  color: var(--muted);
  line-height: 1.6;
}

.project-tags{
  display:flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.project-tags span{
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  background: rgba(255,43,74,0.12);
  border: 1px solid rgba(255,43,74,0.25);
  color: rgba(255,255,255,0.9);
}

/* ========= Contact ========= */
.contact-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1.6rem;
  margin-top: 2.5rem;
}

.contact-card{
  padding: 2rem;
  border-radius: 22px;
  background: var(--glass);
  border: 1px solid var(--stroke);
  text-decoration:none;
  color: white;
  transition: 0.35s;
  text-align:center;
  position: relative;
  overflow:hidden;
}

.contact-card:hover{
  transform: translateY(-8px);
  border-color: rgba(0,183,255,0.35);
}

.contact-card i{
  font-size: 2.3rem;
  margin-bottom: 1rem;
  color: var(--blue);
  filter: drop-shadow(0 0 18px rgba(0,183,255,0.25));
}

.contact-card p{
  margin-top: 0.5rem;
  color: var(--muted);
}

/* ========= Modal ========= */
.modal{
  position: fixed;
  inset:0;
  background: rgba(0,0,0,0.78);
  display:none;
  align-items:center;
  justify-content:center;
  z-index: 9999;
  padding: 1rem;
}

.modal.show{ display:flex; }

.modal-content{
  width:100%;
  max-width: 550px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(18px);
  padding: 1.4rem;
  text-align:center;
  position: relative;
  animation: pop 0.35s ease;
}

@keyframes pop{
  from{ transform: scale(0.85); opacity: 0; }
  to{ transform: scale(1); opacity: 1; }
}

.modal-content img{
  width:100%;
  height: 230px;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 1rem;
}

.modal-close{
  position:absolute;
  top: 12px;
  right: 14px;
  border:none;
  background: transparent;
  color:white;
  font-size: 1.3rem;
  cursor:pointer;
}

.modal-tags{
  display:flex;
  flex-wrap: wrap;
  justify-content:center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.modal-tags span{
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  background: rgba(0,183,255,0.12);
  border: 1px solid rgba(0,183,255,0.25);
  color: white;
}

/* ========= Footer ========= */
.footer{
  padding: 1.6rem 0;
  text-align:center;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
}

/* ========= Anim classes ========= */
.fade-up{ opacity:0; transform: translateY(55px); }

/* ========= Responsive ========= */
@media(max-width: 950px){
  .hero-grid{ grid-template-columns: 1fr; }
  .menu-btn{ display:block; }
  .nav-links{ display:none; }
}