/* Custom CSS for Saurav's Portfolio */

/* Global Styles */
:root {
    --neon-blue: #4361EE;
    --neon-purple: #7209B7;
    --neon-pink: #F72585;
    --dark-bg: #121212;
    --card-bg: rgba(30, 30, 30, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(67, 97, 238, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(114, 9, 183, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Custom Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(67, 97, 238, 0); }
    100% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0); }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes blob {
    0% { transform: scale(1); }
    33% { transform: scale(1.1); }
    66% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

.animate-blob {
    animation: blob 7s infinite;
}

/* Glassmorphism */
.backdrop-blur-lg {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Neon Glow Effects */
.hover\:shadow-glow:hover {
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.7);
}

.shadow-glow {
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.7);
}

/* Hero Section */
.hero-title {
    opacity: 0;
    transform: translateY(20px);
}

.hero-tagline {
    opacity: 0;
    transform: translateY(20px);
}


/* hero CTA: let GSAP control initial and final states */
.hero-cta {
  opacity: 0;                       /* start hidden (GSAP will animate this) */
  transform: translateY(20px);      /* initial offset */
  will-change: transform, opacity;  /* hint to browser for smooth animation */
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
  transition: none !important;      /* remove any accidental CSS transition conflicts */
  -webkit-transition: none !important;
}


/* Section Titles */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    border-radius: 3px;
}

/* Project Cards */
.project-card {
    transition: transform 0.5s ease;
    perspective: 1000px;
}

.project-card:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
}

/* Skill Items */
.skill-item {
    opacity: 0;
    transform: translateY(20px);
}

/* Shared interactive panel hover for content sections */
.experience .content,
.about-content > div,
#contact .md\:w-1\/2 > div {
    transition: box-shadow 0.35s ease, border-color 0.35s ease, background-color 0.35s ease;
}

.experience .content:hover,
.about-content > div:hover,
#contact .md\:w-1\/2 > div:hover,
#contact .md\:w-1\/2 > div:focus-within {
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35), 0 0 18px rgba(67, 97, 238, 0.28);
    border-color: rgba(67, 97, 238, 0.65);
    background-color: rgba(17, 24, 39, 0.92);
}

/* Contact Form */
input:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--neon-blue);
}

/* Media Queries */
@media (max-width: 768px) {
    .project-card:hover {
        transform: translateY(-5px);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1e1e1e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--neon-blue), var(--neon-purple));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, var(--neon-purple), var(--neon-pink));
}

/* Particles background styles (added from Gaurav portfolio) */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
   /* allow clicks through the canvas */
}

/* ensure main page content sits above particles */
body > *:not(#particles-js) {
  position: relative;
  z-index: 1;
}


/* Home hero with particles (only this section will have the animated background) */
#home {
  position: relative;
  background-color: #000000; /* black background for home section */
  min-height: 100vh;
  overflow: hidden;
}

/* Particles canvas positioned inside the home section */
#home #particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto;
}


/* Keep home content above particles */
#home .hero-content, #home > *:not(#particles-js) {
  position: relative;
  z-index: 1;
}


/* Ensure navbar stays above everything */
nav.fixed, nav.sticky, header.fixed {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999 !important;
}

/* Footer styling matching neon theme */
.site-footer {
  background: linear-gradient(90deg, rgba(17,24,39,1) 0%, rgba(10,10,10,1) 100%);
  border-top: 1px solid rgba(255,45,149,0.08);
  color: #d1d5db;
  padding: 2.5rem 1rem;
  text-align: center;
  font-size: 0.95rem;
}
.site-footer a { color: #ff7ab8; text-decoration: none; }
.site-footer .footer-inner { max-width: 1100px; margin: 0 auto; display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
.site-footer .brand { font-weight:700; color: #fff; font-size:1.05rem; }
.site-footer .links { opacity:0.9; }

/*original updated
/* Force site-wide background to match Hero section color */
html, body {
    background-color: #000000 !important;
    color: #ffffff;
    min-height: 100%;
}

/* Make all sections use transparent background (so black shows through) */
section {
    background: transparent !important;
}
/*---------------
/* Footer tweaks */
/* Social icons: white by default, neon-blue on hover */
.social-icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid rgba(67, 97, 238, 0.25);
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.9), rgba(17, 24, 39, 0.65));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: color .25s ease, background .25s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  color: #ffffff;
}
.social-icon .social-svg { width: 20px; height: 20px; color: inherit; fill: currentColor; }

.social-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}

/* Hover: icon color becomes neon-blue, slight lift */
.social-icon:hover,
.social-icon:focus {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.95), rgba(114, 9, 183, 0.95));
  border-color: rgba(247, 37, 133, 0.55);
  box-shadow: 0 0 18px rgba(67, 97, 238, 0.45);
  transform: translateY(-4px) scale(1.04);
}

.social-icon:focus-visible {
  outline: 2px solid rgba(247, 37, 133, 0.75);
  outline-offset: 3px;
}

/* Quick links and contact text bold + white (already set via tailwind classes),
   but ensure anchor hover uses the neon-blue color */
.site-footer a { color: inherit; }
.site-footer a:hover { color: #4361EE; }

/* Small responsive tweak */
@media (max-width: 768px) {
  .site-footer .md\:w-1\/3 { width: 100%; }
  #contact .backdrop-blur-lg {
    padding: 1.5rem;
  }
  #contact .social-links {
    justify-content: center;
  }
  .site-footer .footer-column {
    text-align: center;
  }
  .site-footer .footer-column .social-links {
    justify-content: center;
  }
  .site-footer .text-sm .flex {
    justify-content: center;
  }
  .site-footer .text-sm {
    display: grid;
    gap: 0.9rem;
  }
}

/* experience section starts */
.experience {
  position: relative;
  padding: 4rem 0;
}

/* Match heading alignment to other sections (left, inline underline) */
.experience .section-title {
  display: inline-block;
  text-align: left;
}

.experience .timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 0.75rem;
}

.experience .timeline::after {
  content: '';
  position: absolute;
  width: 6px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
  z-index: 0; /* keep the spine behind cards and markers */
}

.experience .timeline > .container {
  padding: 0 32px 48px;
  position: relative;
  background-color: inherit;
  width: 50%;
  margin: 2rem 0; /* consistent vertical spacing and keeps markers off the heading */
}

/*circles on timeline*/
.experience .timeline > .container::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  right: -14px;
  transform: none;
  background-color: var(--neon-blue);
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
  border: 3px solid var(--neon-blue);
  top: 24px; /* align marker vertically with card content and away from heading */
  border-radius: 50%;
  z-index: 4; /* keep markers visually above the center spine */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M10 6V5a2 2 0 0 1 4 0v1h4a1 1 0 0 1 1 1v3.126l-2 1V9h-2v1.874L12 12.6 9 10.874V9H7v2.126l-2-1V7a1 1 0 0 1 1-1h4Zm2-1a1 1 0 0 0-1 1v1h2V6a1 1 0 0 0-1-1Z'/%3E%3Cpath d='M4 12.874V18a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-5.126l-2.553 1.277a1 1 0 0 1-.894 0L12 12.126l-4.553 2.025a1 1 0 0 1-.894 0L4 12.874Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 60%;
  box-shadow: 0 0 0 12px #000000;
  outline: 3px solid #000000;
}

/* Hide the leading marker if a container has no visible content above it */

.experience .left {
  left: 0;
}

.experience .right {
  left: 50%;
}

/* arrows pointing right */
.experience .left::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  right: 30px;
  border: medium solid transparent; 
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent var(--neon-blue);
}

/* arrows pointing left  */
.experience .right::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  left: 30px;
  border: medium solid transparent;
  border-width: 10px 10px 10px 0;
  border-color: transparent var(--neon-blue) transparent transparent;
}

.experience .right::after {
  left: -14px;
}

.experience .content {
  background-color: rgba(17, 24, 39, 0.85);
  border: 1px solid rgba(67, 97, 238, 0.35);
  position: relative;
  border-radius: 6px;
  color: #e5e7eb;
  box-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

.experience .content .tag {
  font-size: 1.4rem;
  padding: 1.2rem 1.5rem 0.25rem;
  color: var(--neon-blue);
}

.experience .content .desc {
  margin-left: 1.5rem;
  padding-bottom: 1rem;
  padding-right: 1.5rem;
}

.experience .content .desc h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #f9fafb;
}

.experience .content .desc p {
  font-size: 1.3rem;
  color: #cbd5e1;
}

/* view all button */
.morebtn {
  display: flex;
  justify-content: center;
}

.morebtn .btn {
  position: relative;
  line-height: 0;
  padding: 1.6rem 3rem;
  border-radius: .5em;
  transition: 0.5s;
  color: #fff;
  background: #2506ad;
  box-shadow: 0px 5px 10px rgba(48, 68, 247, .6);
  text-align: center;
}

.morebtn .btn span {
  font-weight: 600;
  font-size: 1.7rem;
  font-family: 'Nunito', sans-serif;
}

.morebtn .btn i {
  margin-left: 0.3rem;
  font-size: 1.5rem;
  transition: 0.3s;
}

.morebtn .btn:hover {
  background: #1a047e;
}

.morebtn .btn:hover i {
  transform: translateX(5px);
}

/* Media queries - Responsive timeline on screens less than 600px wide */
@media screen and (max-width: 600px) {
  .experience {
    min-height: auto;
    padding: 3rem 0;
  }

  .experience .timeline {
    margin-top: 0.75rem;
    padding-top: 0.25rem;
  }

  .experience .timeline::after {
    left: 31px;
  }

  .experience .timeline > .container {
    width: 100%;
    padding-left: 5.5rem;
    padding-right: 1rem;
    padding-bottom: 2rem;
    margin: 1rem 0;
  }

  .experience .timeline > .container::after {
    left: 17px;
    right: auto;
    top: 22px;
  }

  .experience .timeline > .container::before {
    left: 47px;
    border: medium solid transparent;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--neon-blue) transparent transparent;
  }

  .experience .left::after {
    left: 17px;
  }

  .experience .right::after {
    left: 17px;
  }

  .experience .right {
    left: 0%;
  }

  .experience .content .tag {
    font-size: 1.2rem;
    padding: 1rem 1.1rem 0.2rem;
  }

  .experience .content .desc {
    margin-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .experience .content .desc h3 {
    font-size: 1.3rem;
  }

  .experience .content .desc p {
    font-size: 1.05rem;
  }

  .morebtn {
    margin-top: 3rem;
  }
}

/* experience media queries ends */
/* experience section ends */