/* ======================================
   SHIVANI PEDNEKAR PORTFOLIO
   Theme: Precision Dark — Editorial QA
   Fonts: Syne (display) + DM Sans (body)
   Accent: Electric Jade #00E5A0
   ====================================== */

/* ===== CSS VARIABLES ===== */
:root {
  --bg:        #0A0C0F;
  --bg-2:      #0F1216;
  --bg-3:      #151A20;
  --bg-card:   #111418;
  --border:    rgba(255,255,255,0.07);
  --border-active: rgba(0,229,160,0.4);

  --accent:    #00E5A0;
  --accent-dim: rgba(0,229,160,0.12);
  --accent-glow: rgba(0,229,160,0.25);

  --text:      #F0F2F5;
  --text-2:    #8A9BB0;
  --text-3:    #4A5568;

  --red:       #FF4D6D;
  --yellow:    #FFD166;

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1160px;

  --transition: 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== CURSOR ===== */
.cursor, .cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: opacity 0.2s;
}
.cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}
.cursor-follower {
  width: 32px; height: 32px;
  border: 1.5px solid var(--accent);
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s;
  opacity: 0.5;
}
@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(10,12,15,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-2);
  letter-spacing: 0.04em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a:focus { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--accent) !important;
  border-radius: 100px;
  color: var(--accent) !important;
  font-size: 0.8rem !important;
  letter-spacing: 0.06em;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--accent) !important; color: var(--bg) !important; }
.nav-cta::after { display: none !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  transition: var(--transition);
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ===== SECTION BASE ===== */
.section {
  padding: 7rem 0;
  position: relative;
}
.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 2.5rem;
}
.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #00ffb3;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  border: 1px solid var(--border-active);
  color: var(--accent);
}
.btn-ghost:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.grid-lines::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(0,229,160,0.06) 0%, transparent 60%);
}
.floating-badges {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.badge {
  position: absolute;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--border-active);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  background: var(--accent-dim);
  opacity: 0;
  animation: floatBadge 8s ease-in-out infinite;
}
.badge:nth-child(1) { top: 15%; left: 72%; animation-delay: 0s; }
.badge:nth-child(2) { top: 35%; right: 5%; animation-delay: 1.5s; }
.badge:nth-child(3) { top: 65%; left: 68%; animation-delay: 3s; }
.badge:nth-child(4) { top: 80%; right: 12%; animation-delay: 4.5s; }
.badge:nth-child(5) { top: 50%; left: 80%; animation-delay: 6s; }
@keyframes floatBadge {
  0%,100% { opacity: 0; transform: translateY(10px); }
  20%,80% { opacity: 1; transform: translateY(0); }
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 8rem 2.5rem 4rem;
  width: 100%;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,229,160,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(0,229,160,0); }
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.name-line { display: block; }
.name-line.accent { color: var(--accent); }
.hero-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.hero-prefix { color: var(--text-2); }
.typewriter {
  color: var(--text);
  border-right: 2px solid var(--accent);
  padding-right: 4px;
  animation: blink 1s step-end infinite;
  min-height: 1.5em;
}
@keyframes blink {
  0%,100% { border-color: var(--accent); }
  50% { border-color: transparent; }
}
.hero-desc {
  max-width: 520px;
  font-size: 1.05rem;
  color: var(--text-2);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.stat {}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ===== ABOUT ===== */
.about { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-text p {
  color: var(--text-2);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}
.about-text strong { color: var(--text); font-weight: 500; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}
.about-tags span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  letter-spacing: 0.04em;
}
.about-card { position: relative; }
.card-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  transition: border-color var(--transition);
}
.card-inner:hover { border-color: var(--border-active); }
.code-block {}
.code-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot.red    { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green  { background: #28CA41; }
.code-filename {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}
.code-content {
  padding: 1.5rem 1.25rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-2);
  overflow-x: auto;
}
.code-content .kw  { color: #C792EA; }
.code-content .var { color: #82AAFF; }
.code-content .key { color: #F07178; }
.code-content .str { color: var(--accent); }

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition);
}
.skill-card:hover { border-color: var(--border-active); transform: translateY(-4px); }
.skill-card:hover::before { background: var(--accent); }
.skill-card.featured {
  border-color: rgba(0,229,160,0.2);
  background: linear-gradient(135deg, rgba(0,229,160,0.05), var(--bg-card));
}
.skill-card.featured::before { background: var(--accent); }
.skill-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}
.skill-card ul li {
  font-size: 0.82rem;
  color: var(--text-2);
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.skill-card ul li::before {
  content: '—';
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}
.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skills-cloud span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  letter-spacing: 0.03em;
  transition: all var(--transition);
}
.skills-cloud span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== EXPERIENCE ===== */
.experience { background: var(--bg-2); }
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 1px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 3rem;
}
.timeline-dot {
  position: absolute;
  left: -5px; top: 6px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  transition: border-color var(--transition);
}
.timeline-item.active .timeline-dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition);
}
.timeline-content:hover { border-color: var(--border-active); }
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.company {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
}
.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  text-align: right;
}
.period {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.location {
  font-size: 0.75rem;
  color: var(--text-3);
}
.timeline-achievements {
  list-style: disc;
  padding-left: 1.2rem;
  margin-bottom: 1.5rem;
}
.timeline-achievements li {
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.3rem 0;
  line-height: 1.7;
}
.timeline-achievements li::marker { color: var(--accent); }
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.timeline-tags span {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.7rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: 100px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.project-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-type {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.project-status {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
}
.project-status.pass {
  background: rgba(0,229,160,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,229,160,0.3);
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.project-card p {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.7;
  flex-grow: 1;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}
.project-stack span {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

/* ===== CONTACT ===== */
.contact { background: var(--bg-2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-text p {
  color: var(--text-2);
  margin-bottom: 2rem;
  font-size: 1rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-2);
  transition: all var(--transition);
}
.contact-link:hover {
  border-color: var(--border-active);
  color: var(--text);
  transform: translateX(4px);
}
.contact-icon {
  width: 36px; height: 36px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }

/* ===== FOOTER ===== */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner p { font-size: 0.8rem; color: var(--text-3); }
.footer-sub { font-style: italic; }

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE ===== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg);
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 99;
    font-size: 1.5rem;
  }
  .nav-toggle { display: flex; z-index: 101; }
  .hero-stats { gap: 2rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1.25rem; }
  .section { padding: 5rem 0; }
  .hero-content { padding: 7rem 1.25rem 4rem; }
  .badge { display: none; }
  .timeline-header { flex-direction: column; }
  .timeline-meta { align-items: flex-start; text-align: left; }
  .footer-inner { flex-direction: column; text-align: center; }
}