/* ── Color Variables ── */
:root {
    --bg-start: #0b0c10;    /* jet black */
    --bg-end:   #1f2833;    /* gunmetal grey */
    --container:#1f2833;    /* same as bg-end for panels */
    --accent:   #66fcf1;    /* electric blue */
    --text:     #ffffff;    /* pure white */
  }
  
  /* ── Reset ── */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* ── Body ── */
  body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
    color: var(--text);
    overflow-x: hidden;   /* lock horizontal */
    overflow-y: auto;     /* allow vertical scroll */
    cursor: url('data:image/svg+xml;utf8,\
  <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24">\
  <circle cx="12" cy="12" r="2" fill="%2366fcf1"/>\
  <line x1="12" y1="0" x2="12" y2="24" stroke="%2366fcf1" stroke-width="1"/>\
  <line x1="0" y1="12" x2="24" y2="12" stroke="%2366fcf1" stroke-width="1"/>\
  </svg>') 12 12, auto;
  }
  
  /* ── Navbar Styles ── */
.navbar {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background: rgba(11, 12, 16, 0.93); /* glassy black */
  box-shadow: 0 2px 18px rgba(102,252,241,0.09);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 2.3rem 0.8rem 2rem;
  backdrop-filter: blur(5px);
}

.nav-logo {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: 2px;
  text-shadow: 0 1px 12px rgba(102,252,241,0.08);
}

.nav-links {
  display: flex;
  gap: 1.3rem;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links a,
.resume-btn-nav {
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
  font-size: 1.09rem;
  padding: 0.4rem 0.95rem;
  border-radius: 2em;
  transition: 
    color 0.16s,
    background 0.13s,
    box-shadow 0.13s;
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.42em;
}

.nav-links a:hover,
.resume-btn-nav:hover {
  background: var(--accent);
  color: var(--bg-start);
  box-shadow: 0 2px 18px rgba(102,252,241,0.13);
  text-decoration: none;
}

.resume-btn-nav i {
  font-size: 1.16rem;
}

@media (max-width: 900px) {
  .navbar {
    padding: 0.7rem 0.9rem 0.7rem 0.8rem;
  }
  .nav-logo {
    font-size: 1.05rem;
  }
  .nav-links {
    gap: 0.48rem;
  }
  .nav-links a,
  .resume-btn-nav {
    font-size: 0.97rem;
    padding: 0.32rem 0.67rem;
  }
}
body {
  padding-top: 64px; /* Give space for fixed navbar */
}

  /* ── Hero Section ── */
  .hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }
  .hero h1 {
    font-size: 4rem;
    color: var(--accent);
    animation: fadeIn 2s ease forwards;
  }
  .hero p {
    font-size: 1.25rem;
    margin-top: 1rem;
    max-width: 600px;
    animation: fadeIn 3s ease forwards;
  }
  .scroll-hint {
    position: absolute;
    bottom: 2rem;
    font-size: 0.9rem;
    color: var(--accent);
    animation: blink 2s infinite;
  }
  
  /* ── Animations ── */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes blink {
    0%,100% { opacity: 1; }
    50%     { opacity: 0.4; }
  }
  
  /* ── About Me Section ── */
  #about {
    background: var(--container);
    padding: 4rem 2rem;
    text-align: center;
  }
  #about h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
  }
  #about p {
    max-width: 800px;
    margin: 0.75rem auto;
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
  }
  #about .punchline {
    margin-top: 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
  }
  
  /* ── Why Me Minimalist Block ── */
.whyme-block {
  background: var(--bg-start);
  padding: 4rem 2rem 6rem 2rem;
  text-align: center;
}

.whyme-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2rem;
  letter-spacing: 1px;
}

.whyme-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: stretch;
  max-width: 900px;
  margin: auto;
}

.whyme-item {
  background: var(--container);
  border-radius: 1.2rem;
  padding: 2rem 1.25rem;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 32px rgba(102,252,241,0.06);
  transition: transform 0.2s cubic-bezier(.55,1.3,.44,.98);
}

.whyme-item:hover {
  transform: scale(1.07) translateY(-8px);
  box-shadow: 0 16px 40px rgba(102,252,241,0.11);
}

.whyme-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.whyme-text {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.2px;
}

.internships-block {
    background: var(--container);
    padding: 4rem 2rem 6rem 2rem;
  }
  

  .internships-block h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 2.5rem;
    text-align: center;
    letter-spacing: 1px;
  }
  
  .internship-subsection {
    background: var(--bg-start);
    border-radius: 1.2rem;
    box-shadow: 0 4px 16px rgba(102,252,241,0.07);
    margin: 1.5rem auto 2rem auto;
    max-width: 800px;
    padding: 1.5rem 1.7rem;
  }
  
  .internship-subsection h3 {
    color: var(--accent);
    font-size: 1.15rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2px;
  }
  
  .internship-list {
    margin: 0;
    padding-left: 1.2rem;
    list-style: disc;
    color: var(--text);
    opacity: 0.88;
    font-size: 1rem;
  }
  
  .internship-list li {
    margin-bottom: 0.18rem;
    line-height: 1.6;
  }
  
  /* ── Projects Block ── */
.projects-block {
  background: var(--bg-end);
  padding: 4rem 2rem 6rem 2rem;
}
.projects-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2rem;
  text-align: center;
}
.projects-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem 2.2rem;
  justify-content: center;
  align-items: flex-start;
  max-width: 1200px;
  margin: auto;
  margin-top: 1.2rem;
  position: relative;
  z-index: 1;
}
.project-item {
  background: var(--bg-start);
  border-radius: 1.2rem;
  box-shadow: 0 8px 32px rgba(102,252,241,0.15), 0 1.5px 7px rgba(0,0,0,0.08);
  padding: 1.5rem 1.1rem 1.2rem 1.1rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  min-width: 270px;
  max-width: 330px;
  transition: 
    transform 0.19s cubic-bezier(.55,1.3,.44,.98),
    box-shadow 0.17s;
  position: relative;
  z-index: 2;
  /* unique rotation by index */
}
.project-item:nth-child(1) { transform: rotate(-3.7deg); }
.project-item:nth-child(2) { transform: rotate(2.7deg); }
.project-item:nth-child(3) { transform: rotate(-2.5deg); }
.project-item:nth-child(4) { transform: rotate(2.1deg); }
.project-item:nth-child(5) { transform: rotate(-1.7deg); }
.project-item:nth-child(6) { transform: rotate(1.2deg); }
.project-item:nth-child(7) { transform: rotate(-0.8deg); }

.project-item:hover {
  transform: scale(1.06) rotate(0deg) !important;
  z-index: 5;
  box-shadow: 0 16px 48px rgba(102,252,241,0.21), 0 4px 22px rgba(0,0,0,0.15);
}

.project-icon {
  font-size: 2.1rem;
  color: var(--accent);
  margin-top: 3px;
}

.project-item strong {
  color: var(--accent);
  font-size: 1.09rem;
  letter-spacing: 0.2px;
}

.project-desc {
  margin: 0.35rem 0 0 0;
  font-size: 1rem;
  color: var(--text);
  opacity: 0.9;
  line-height: 1.6;
}

/* ── Research Papers Block ── */
.research-block {
  background: var(--bg-start);
  padding: 4rem 2rem 6rem 2rem;
}
.research-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2rem;
  text-align: center;
}
.research-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 2.5rem;
  justify-content: center;
  align-items: stretch;
  max-width: 1100px;
  margin: auto;
}
.research-item {
  background: var(--bg-end);
  border-radius: 1.1rem;
  box-shadow: 0 4px 18px rgba(102,252,241,0.11);
  padding: 1.6rem 1.2rem 1.2rem 1.2rem;
  min-width: 280px;
  max-width: 390px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  transition: transform 0.17s cubic-bezier(.55,1.3,.44,.98), box-shadow 0.18s;
  position: relative;
}
.research-item:hover {
  transform: translateY(-9px) scale(1.05);
  box-shadow: 0 12px 32px rgba(102,252,241,0.16);
}
.research-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 5px;
}
.research-item strong {
  color: var(--accent);
  font-size: 1.09rem;
}
.research-authors {
  font-size: 0.97rem;
  color: var(--text);
  opacity: 0.7;
}
.research-authors .me {
  color: #66fcf1;
  font-weight: bold;
  letter-spacing: 0.2px;
  background: linear-gradient(90deg,#1f2833 85%,rgba(102,252,241,0.11) 100%);
  padding: 0.1em 0.25em;
  border-radius: 0.33em;
}
.research-sections {
  font-size: 1rem;
  color: var(--text);
  opacity: 0.92;
  margin-left: 1.1rem;
  margin-bottom: 0.5rem;
}
.research-sections li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
}
.paper-link {
  color: var(--accent);
  text-decoration: underline;
  font-size: 1rem;
  margin-top: 0.6rem;
}
.paper-link:hover {
  color: #0ff;
}

/* ── Tools Block ── */
.tools-block {
  background: var(--container);
  padding: 4rem 2rem 6rem 2rem;
}
.tools-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2.2rem;
  text-align: center;
}
.tools-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.2rem 1.6rem;
  max-width: 1100px;
  margin: auto;
}
.tool-card {
  background: var(--bg-start);
  border-radius: 1.1rem;
  box-shadow: 0 4px 14px rgba(102,252,241,0.09);
  width: 110px;
  height: 125px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.19s, box-shadow 0.14s;
  cursor: pointer;
  position: relative;
}
.tool-card:hover {
  transform: translateY(-9px) scale(1.09) rotate(-2deg);
  box-shadow: 0 12px 36px rgba(102,252,241,0.19);
  z-index: 5;
}
.tool-icon img {
  width: 48px;
  height: 48px;
  display: block;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 7px rgba(102,252,241,0.09));
}
.tool-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.1px;
  text-align: center;
  margin-top: 0.3rem;
}

/* ── Skills Nebula Block ── */
.skills-block {
  background: var(--bg-start);
  padding: 4rem 2rem 6rem 2rem;
}
.skills-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2.2rem;
  text-align: center;
}
.skills-nebula {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  max-width: 920px;
  margin: auto;
}
.skill-badge {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.04rem;
  padding: 0.62rem 1.32rem 0.62rem 1.07rem;
  background: linear-gradient(120deg, var(--bg-end) 82%, var(--accent) 130%);
  color: var(--accent);
  border-radius: 2.2rem;
  box-shadow: 0 2px 10px rgba(102,252,241,0.08), 0 0.8px 4px rgba(0,0,0,0.05);
  position: absolute;
  transition: 
    transform 0.15s cubic-bezier(.51,1.6,.3,.8),
    box-shadow 0.15s, 
    background 0.18s;
  cursor: default;
  z-index: 1;
}
.skill-badge .skill-icon {
  font-size: 1.33em;
  filter: drop-shadow(0 0 3px rgba(102,252,241,0.15));
}

/* Unique nebula placements—tweak as you wish */
.nebula1 { top: 12%; left: 8%;   transform: rotate(-4deg); }
.nebula2 { top: 6%;  left: 46%;  transform: rotate(7deg);  }
.nebula3 { top: 22%; left: 75%;  transform: rotate(-6deg);}
.nebula4 { top: 41%; left: 6%;   transform: rotate(5deg);  }
.nebula5 { top: 30%; left: 35%;  transform: rotate(-10deg);}
.nebula6 { top: 51%; left: 63%;  transform: rotate(7deg);  }
.nebula7 { top: 59%; left: 18%;  transform: rotate(2deg);  }
.nebula8 { top: 60%; left: 80%;  transform: rotate(-7deg); }
.nebula9 { top: 80%; left: 44%;  transform: rotate(4deg);  }

/* Responsive: fallback to grid on mobile */
@media (max-width: 850px) {
  .skills-nebula {
    min-height: unset;
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem 1.2rem;
    justify-content: center;
    align-items: center;
    position: static;
  }
  .skill-badge {
    position: static !important;
    margin-bottom: 0;
    margin-top: 0;
    transform: none !important;
  }
}

/* Hover/Focus Pop */
.skill-badge:hover, .skill-badge:focus {
  transform: scale(1.11) rotate(0deg) !important;
  background: linear-gradient(100deg, var(--accent) 60%, var(--bg-end) 180%);
  color: var(--bg-end);
  box-shadow: 0 9px 26px rgba(102,252,241,0.18), 0 2px 7px rgba(0,0,0,0.14);
  z-index: 10;
}

/* ── Contact Block ── */
.contact-block {
  background: var(--bg-end);
  padding: 4rem 2rem 6rem 2rem;
  text-align: center;
}
.contact-block h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1.8rem;
  letter-spacing: 0.5px;
}
.contact-links {
  display: flex;
  justify-content: center;
  gap: 2.2rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 2.2rem;
}
.contact-icon {
  width: 58px;
  height: 58px;
  background: var(--bg-start);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2.25rem;
  box-shadow: 0 2px 14px rgba(102,252,241,0.10);
  transition:
    background 0.18s,
    color 0.18s,
    transform 0.18s,
    box-shadow 0.18s,
    opacity 0.17s,
    filter 0.18s;
  text-decoration: none;
  border: 2px solid transparent;
  position: relative;
}

/* Glow/focus and all others fade/blur on hover */
.contact-links:hover .contact-icon,
.contact-links:focus-within .contact-icon {
  opacity: 0.33;
  filter: blur(0.2px) grayscale(25%);
  transition: opacity 0.16s, filter 0.19s;
}
.contact-icon:hover,
.contact-icon:focus {
  background: var(--accent);
  color: var(--bg-start);
  transform: scale(1.13) rotate(-4deg);
  box-shadow: 0 10px 26px rgba(102,252,241,0.18);
  border: 2px solid var(--accent);
  opacity: 1 !important;
  filter: none !important;
  z-index: 11;
}
.contact-icon:active {
  transform: scale(0.98) rotate(1deg);
}

/* ── Floating Resume Button ── */
.resume-btn-floating {
  position: fixed;
  bottom: 2.1rem;
  right: 2.1rem;
  z-index: 10002;
  background: var(--accent);
  color: var(--bg-start);
  border: none;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  box-shadow: 0 4px 24px rgba(102,252,241,0.13);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  cursor: pointer;
  transition: 
    background 0.16s, 
    color 0.16s, 
    box-shadow 0.18s, 
    transform 0.18s;
}
.resume-btn-floating:hover {
  background: var(--bg-end);
  color: var(--accent);
  box-shadow: 0 9px 28px rgba(102,252,241,0.19);
  transform: scale(1.13) rotate(-7deg);
}
@media (max-width: 700px) {
  .resume-btn-floating {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
    font-size: 1.5rem;
  }
}