/* ============================================================
   Shivrajsinh Bhosale — AI Portfolio Theme
   Dark glassmorphic with neural-network accents
   ============================================================ */

:root {
  --bg-0: #07070d;
  --bg-1: #0c0c16;
  --bg-2: #11111d;
  --glass: rgba(20, 20, 35, 0.55);
  --glass-border: rgba(127, 119, 221, 0.22);
  --glass-border-strong: rgba(127, 119, 221, 0.45);
  --text-0: #f4f4fa;
  --text-1: #c9c9da;
  --text-2: #8b8ba0;
  --accent: #7f77dd;
  --accent-2: #5dcaa5;
  --accent-3: #f0997b;
  --accent-warn: #ef9f27;
  --mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;
  --sans: 'Inter', 'Poppins', -apple-system, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-2); }

img { max-width: 100%; height: auto; }

/* Neural-network background canvas */
#neural-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
  pointer-events: none;
}

/* Subtle radial overlay so content stays readable */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 80% 10%, rgba(127, 119, 221, 0.15), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(93, 202, 165, 0.10), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

/* ============================================================
   Navbar
   ============================================================ */
.ai-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(7, 7, 13, 0.55);
  border-bottom: 1px solid rgba(127, 119, 221, 0.12);
  transition: padding .25s ease;
}
.ai-nav.scrolled { padding: 10px 0; }
.ai-nav .container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ai-nav .brand {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--text-0);
  letter-spacing: 0.5px;
}
.ai-nav .brand .prompt { color: var(--accent); margin-right: 6px; }
.ai-nav .brand .cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.ai-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0; padding: 0;
}
.ai-nav ul a {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-2);
  position: relative;
}
.ai-nav ul a:hover, .ai-nav ul a.active { color: var(--text-0); }
.ai-nav ul a::before { content: ''; color: var(--accent); margin-right: 4px; opacity: 0; transition: opacity .2s; }
.ai-nav ul a:hover::before, .ai-nav ul a.active::before { content: '> '; opacity: 1; }

.ai-nav .menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--text-0);
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}

@media (max-width: 820px) {
  .ai-nav ul { display: none; }
  .ai-nav ul.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; right: 24px;
    background: var(--bg-1);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 16px 20px;
    gap: 14px;
  }
  .ai-nav .menu-btn { display: inline-block; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 60px;
}
.hero .container {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero .badge {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 18px;
}
.hero .badge .dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
  margin-right: 8px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(0.9); }
}
.hero h1 {
  font-family: var(--sans);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 500;
  color: var(--text-0);
  line-height: 1.05;
  margin: 0 0 18px;
  letter-spacing: -1px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .role {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text-1);
  margin: 0 0 14px;
  min-height: 1.6em;
}
.hero .role .type-out::after {
  content: '|';
  color: var(--accent);
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
.hero .desc {
  font-size: 16px;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 0 28px;
}
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #6a62cf;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--text-0);
  border-color: var(--glass-border-strong);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* Hero status terminal */
.term-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.85;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}
.term-card .term-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(127,119,221,0.15);
}
.term-card .term-head .d {
  width: 10px; height: 10px; border-radius: 50%;
}
.term-card .term-head .d.r { background: #ff5f57; }
.term-card .term-head .d.y { background: #febc2e; }
.term-card .term-head .d.g { background: #28c840; }
.term-card .term-head .t {
  margin-left: 8px;
  color: var(--text-2);
  font-size: 11px;
}
.term-card .k { color: var(--accent-2); }
.term-card .s { color: var(--accent-3); }
.term-card .n { color: #85b7eb; }
.term-card .c { color: var(--text-2); }
.term-card .ok { color: var(--accent-2); }
.term-card .ok::after {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
  margin-left: 6px;
  vertical-align: 2px;
}

/* Tech-stack chips */
.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.chip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-1);
  padding: 5px 11px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: rgba(127,119,221,0.06);
}

/* ============================================================
   Sections / typography
   ============================================================ */
section {
  padding: 100px 24px;
  position: relative;
}
section .container {
  max-width: 1180px;
  margin: 0 auto;
}
.section-head {
  margin-bottom: 56px;
  text-align: center;
}
.section-head .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--sans);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: var(--text-0);
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}
.section-head p {
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}
.about-photo {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  aspect-ratio: 1 / 1.05;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.about-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,7,13,0.6), transparent 55%);
  pointer-events: none;
}
.about-copy p {
  font-size: 15.5px;
  color: var(--text-1);
  margin: 0 0 18px;
}
.about-meta {
  list-style: none;
  margin: 24px 0 0; padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.about-meta li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-1);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(20,20,35,0.4);
}
.about-meta li .label {
  display: block;
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

/* ============================================================
   Education timeline
   ============================================================ */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.edu-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 22px 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform .25s, border-color .25s;
}
.edu-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.edu-card .date {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: rgba(127,119,221,0.12);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.edu-card h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--text-0);
  margin: 0 0 6px;
}
.edu-card .inst {
  font-size: 13px;
  color: var(--text-2);
  margin: 0 0 10px;
}
.edu-card .score {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent-2);
}

/* ============================================================
   Projects
   ============================================================ */
.proj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.proj-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  overflow: hidden;
}
.proj-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(127,119,221,0.08), transparent 55%);
  pointer-events: none;
}
.proj-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 24px 60px -24px rgba(127,119,221,0.4);
}
.proj-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 11px;
}
.proj-head .id { color: var(--accent); letter-spacing: 1.5px; }
.proj-head .meta {
  display: flex;
  gap: 12px;
  color: var(--text-2);
}
.proj-head .meta span i { margin-right: 4px; color: var(--accent-warn); }
.proj-card h3 {
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 500;
  color: var(--text-0);
  margin: 0 0 10px;
}
.proj-card p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0 0 18px;
  flex-grow: 1;
}
.proj-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.proj-tags .tag {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 3px 9px;
  border-radius: 4px;
}
.tag.purple { background: rgba(127,119,221,0.16); color: #a59ff5; }
.tag.teal   { background: rgba(93,202,165,0.16); color: var(--accent-2); }
.tag.coral  { background: rgba(240,153,123,0.16); color: var(--accent-3); }
.tag.amber  { background: rgba(239,159,39,0.16); color: var(--accent-warn); }
.tag.blue   { background: rgba(133,183,235,0.16); color: #85b7eb; }
.tag.green  { background: rgba(151,196,89,0.16); color: #97c459; }
.proj-card .actions { display: flex; gap: 10px; }
.proj-card .actions a {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--glass-border-strong);
  color: var(--text-0);
}
.proj-card .actions a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.proj-card.more {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 180px;
  font-family: var(--mono);
}
.proj-card.more a {
  font-size: 14px;
  color: var(--accent);
}

/* ============================================================
   Blog
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.blog-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform .25s, border-color .25s;
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.blog-card .cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--accent), #534ab7);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  color: rgba(255,255,255,0.92);
  font-size: 14px;
  text-align: center;
  padding: 12px;
  letter-spacing: 0.5px;
}
.blog-card .cover.qkv::before {
  content: 'softmax(Q·Kᵀ/√dₖ)V';
  font-size: 18px;
  font-family: var(--mono);
}
.blog-card .cover.qkv span { display: none; }
.blog-card .body { padding: 20px; }
.blog-card .meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  margin-bottom: 10px;
}
.blog-card h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--text-0);
  margin: 0 0 8px;
  line-height: 1.3;
}
.blog-card h3 a { color: inherit; }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p {
  font-size: 13.5px;
  color: var(--text-2);
  margin: 0 0 12px;
}
.blog-card .read {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

/* ============================================================
   Stats / counter strip
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 28px 18px;
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.stat .n {
  font-family: var(--mono);
  font-size: 38px;
  font-weight: 500;
  color: var(--text-0);
  display: block;
  margin-bottom: 6px;
}
.stat .l {
  font-size: 12.5px;
  color: var(--text-2);
  font-family: var(--mono);
  letter-spacing: 1px;
}

/* ============================================================
   CV / Contact
   ============================================================ */
.cv-wrap {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.cv-wrap iframe {
  width: 100%;
  height: 720px;
  border: 0;
  border-radius: 8px;
  background: #fff;
}
.cv-actions { text-align: center; margin-top: 24px; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.contact-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform .25s, border-color .25s;
}
.contact-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.contact-card .icon {
  width: 52px; height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(127,119,221,0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.contact-card h3 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-0);
  margin: 0 0 6px;
}
.contact-card p, .contact-card a {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-2);
  margin: 0;
}
.contact-card a:hover { color: var(--accent); }

/* ============================================================
   Footer
   ============================================================ */
footer.ai-footer {
  border-top: 1px solid rgba(127,119,221,0.15);
  padding: 40px 24px 30px;
  text-align: center;
}
footer .container {
  max-width: 1180px;
  margin: 0 auto;
}
footer .socials {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 16px 0 18px;
}
footer .socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-1);
  font-size: 15px;
}
footer .socials a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
footer .small {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
}
footer .small .heart { color: var(--accent-3); }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .about-meta { grid-template-columns: 1fr; }
  section { padding: 70px 20px; }
  .hero { padding: 110px 20px 60px; }
}