/* ═══════════════════════════════════════════════
   VEDANT JADHAV — PORTFOLIO
   Dark terminal aesthetic · v1.0
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600&family=Inter:wght@300;400;500;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0d0f0e;
  --bg-surface: #111512;
  --bg-card:    #151918;
  --bg-hover:   #1a1f1d;
  --border:     #1f2821;
  --border-dim: #182019;
  --green:      #3ddc84;
  --green-dim:  #2a9f5e;
  --green-glow: rgba(61, 220, 132, 0.12);
  --green-faint:#0e1f15;
  --blue:       #4fc3f7;
  --blue-dim:   #2196a8;
  --text-pri:   #e2e8e4;
  --text-sec:   #8a9e91;
  --text-dim:   #4a5e52;
  --text-code:  #3ddc84;
  --mono:       'JetBrains Mono', 'Fira Code', monospace;
  --sans:       'Inter', system-ui, sans-serif;
  --radius:     6px;
  --radius-lg:  10px;
  --transition: 200ms ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-pri);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* ── Selection ── */
::selection { background: var(--green-faint); color: var(--green); }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--mono); font-weight: 500; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.1; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.05rem; }
p  { color: var(--text-sec); font-weight: 300; }
a  { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text-pri); }

/* ── Container ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* ── Section header ── */
.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-label::before { content: '//'; color: var(--text-dim); }
.section-title {
  font-family: var(--mono);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  color: var(--text-pri);
  margin-bottom: 2.5rem;
}

section { padding: 90px 0; }

/* ════════════════════════════════════
   NAV
════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13, 15, 14, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--green);
  letter-spacing: 0.04em;
}
.nav-logo span { color: var(--text-dim); }
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-sec);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--green); }
.nav-terminal-btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sec);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.05em;
}
.nav-terminal-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-faint);
}
.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-sec);
  padding: 4px;
}
.nav-menu-btn svg { display: block; }

/* ════════════════════════════════════
   HERO
════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 58px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-dim) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%,
    black 20%, transparent 100%);
  opacity: 0.5;
}
.hero-content { position: relative; z-index: 1; }
.hero-prompt {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-prompt-char { color: var(--text-dim); }
.hero-name {
  font-family: var(--mono);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text-pri);
}
.hero-name .accent { color: var(--green); }
.hero-tag {
  font-family: var(--mono);
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  color: var(--text-sec);
  margin-top: 0.8rem;
  font-weight: 300;
}
.hero-tag .hl { color: var(--text-pri); }
.hero-sub {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-top: 1.5rem;
  font-family: var(--mono);
  letter-spacing: 0.03em;
}
.hero-ranking {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--green-faint);
  border: 1px solid rgba(61, 220, 132, 0.2);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  margin-top: 1.2rem;
}
.hero-ranking .dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--green);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1.1s step-end infinite;
}

/* ════════════════════════════════════
   BUTTONS
════════════════════════════════════ */
.btn {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-primary {
  background: var(--green);
  color: #0a0f0b;
  font-weight: 500;
}
.btn-primary:hover {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-ghost {
  background: transparent;
  color: var(--text-sec);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-faint);
}
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.77rem;
}

/* ════════════════════════════════════
   ABOUT
════════════════════════════════════ */
#about { background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text p { margin-bottom: 1rem; font-size: 0.95rem; line-height: 1.8; }
.about-meta { margin-top: 1.5rem; }
.about-meta-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-dim);
  font-size: 0.88rem;
}
.about-meta-item:last-child { border-bottom: none; }
.about-meta-key { font-family: var(--mono); color: var(--green); min-width: 120px; font-size: 0.78rem; }
.about-meta-val { color: var(--text-sec); line-height: 1.4; }
.about-sidebar {}
.sidebar-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.sidebar-block-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-dim);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.73rem;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-sec);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--green); color: var(--green); background: var(--green-faint); }
.tag.accent { border-color: rgba(61, 220, 132, 0.3); color: var(--green); background: var(--green-faint); }

/* ════════════════════════════════════
   PROJECTS
════════════════════════════════════ */
#projects {}
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--green) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover {
  border-color: rgba(61, 220, 132, 0.25);
  box-shadow: 0 8px 40px rgba(61, 220, 132, 0.06);
  transform: translateY(-3px);
}
.project-card:hover::before { opacity: 1; }
.project-card-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}
.project-card-title {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--text-pri);
  font-weight: 500;
}
.project-card-desc { font-size: 0.88rem; color: var(--text-sec); line-height: 1.7; flex: 1; }
.project-insight {
  background: var(--green-faint);
  border-left: 2px solid var(--green);
  padding: 0.6rem 0.9rem;
  font-size: 0.82rem;
  color: var(--text-sec);
  border-radius: 0 4px 4px 0;
}
.project-insight strong { color: var(--green); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; display: block; margin-bottom: 0.2rem; }
.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.stack-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--blue-dim);
}
.project-links { display: flex; gap: 0.6rem; }

/* ════════════════════════════════════
   CERTIFICATIONS
════════════════════════════════════ */
#certifications { background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.certs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.cert-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition);
}
.cert-badge:hover {
  border-color: rgba(61, 220, 132, 0.3);
  background: var(--bg-hover);
}
.cert-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: var(--green-faint);
  border: 1px solid rgba(61, 220, 132, 0.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cert-icon svg { width: 20px; height: 20px; color: var(--green); }
.cert-info {}
.cert-name { font-family: var(--mono); font-size: 0.85rem; color: var(--text-pri); font-weight: 500; line-height: 1.3; }
.cert-issuer { font-size: 0.75rem; color: var(--text-dim); margin-top: 0.2rem; }

/* ════════════════════════════════════
   SKILLS
════════════════════════════════════ */
#skills {}
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}
.skill-group-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.skill-group-label::before { content: '>'; color: var(--text-dim); }
.skill-items { display: flex; flex-direction: column; gap: 0.5rem; }
.skill-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.85rem; color: var(--text-sec);
  padding: 0.3rem 0;
}
.skill-item::before {
  content: '—';
  font-family: var(--mono);
  color: var(--text-dim);
  font-size: 0.75rem;
}

/* ════════════════════════════════════
   EXPERIENCE
════════════════════════════════════ */
#experience { background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 160px 1px 1fr; gap: 0 2rem; }
.timeline-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: right;
  padding-top: 0.2rem;
  line-height: 1.4;
}
.timeline-line {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--green);
  flex-shrink: 0;
  margin-top: 0.35rem;
}
.timeline-track {
  flex: 1;
  width: 1px;
  background: var(--border);
  margin-top: 4px;
}
.timeline-item:last-child .timeline-track { display: none; }
.timeline-body { padding-bottom: 3rem; padding-top: 0; }
.timeline-role {
  font-family: var(--mono);
  font-size: 0.98rem;
  color: var(--text-pri);
  line-height: 1.3;
}
.timeline-company {
  font-size: 0.82rem;
  color: var(--green-dim);
  margin-top: 0.15rem;
  margin-bottom: 0.8rem;
}
.timeline-points { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.timeline-points li {
  font-size: 0.88rem;
  color: var(--text-sec);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.6;
}
.timeline-points li::before {
  content: '›';
  position: absolute; left: 0;
  color: var(--green);
  font-family: var(--mono);
}

/* ════════════════════════════════════
   CONTACT
════════════════════════════════════ */
#contact {}
.contact-inner {
  max-width: 600px;
  text-align: center;
  margin: 0 auto;
}
.contact-inner p { margin-bottom: 2.5rem; font-size: 0.95rem; }
.contact-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.contact-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-sec);
  transition: all var(--transition);
}
.contact-link:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-faint);
}
.contact-link svg { width: 16px; height: 16px; }

/* ════════════════════════════════════
   FOOTER
════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}
footer span { color: var(--green); }

/* ════════════════════════════════════
   TERMINAL OVERLAY
════════════════════════════════════ */
.terminal-overlay {
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}
.terminal-overlay.active { opacity: 1; pointer-events: all; }
.terminal-window {
  background: #0a0d0b;
  border: 1px solid var(--green-dim);
  border-radius: var(--radius-lg);
  width: min(700px, 92vw);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 0 60px rgba(61, 220, 132, 0.12);
  display: flex; flex-direction: column;
  transform: translateY(20px);
  transition: transform 250ms ease;
}
.terminal-overlay.active .terminal-window { transform: translateY(0); }
.terminal-titlebar {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.terminal-dots { display: flex; gap: 0.4rem; }
.terminal-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }
.terminal-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.terminal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-dim); font-family: var(--mono); font-size: 0.8rem;
  transition: color var(--transition);
}
.terminal-close:hover { color: var(--text-pri); }
.terminal-body { padding: 1.4rem; font-family: var(--mono); font-size: 0.83rem; line-height: 2; }
.t-line { display: flex; gap: 0.6rem; }
.t-prompt { color: var(--green); flex-shrink: 0; }
.t-cmd { color: var(--text-pri); }
.t-output { color: var(--text-sec); padding-left: 1rem; margin-bottom: 0.5rem; }
.t-section { color: var(--green-dim); margin-top: 0.8rem; margin-bottom: 0.1rem; }
.t-blank { height: 0.6rem; }
.t-item { color: var(--text-sec); padding-left: 1rem; display: flex; gap: 0.5rem; }
.t-item::before { content: '-'; color: var(--text-dim); }

/* ════════════════════════════════════
   KEYFRAMES
════════════════════════════════════ */
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.4); }
  50% { box-shadow: 0 0 0 5px rgba(61, 220, 132, 0); }
}

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute; top: 58px; left: 0; right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    gap: 1rem;
  }
  .nav-menu-btn { display: block; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .timeline-item { grid-template-columns: 90px 1px 1fr; gap: 0 1rem; }
  .timeline-date { font-size: 0.7rem; }
}
@media (max-width: 560px) {
  section { padding: 60px 0; }
  .hero-cta { flex-direction: column; }
  .timeline-item { grid-template-columns: 0 1px 1fr; }
  .timeline-date { display: none; }
  .contact-links { flex-direction: column; align-items: center; }
}