/* ============================================================
   PIYUSH PUSHKAR – PORTFOLIO / RESUME STYLESHEET
   ============================================================ */

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

:root {
  --bg:         #0f1117;
  --bg-card:    #161b27;
  --bg-elevated:#1c2336;
  --accent:     #4f8ef7;
  --accent-alt: #7c5cbf;
  --accent-glow:rgba(79,142,247,.18);
  --text:       #e2e8f0;
  --text-muted: #8b97b1;
  --border:     rgba(255,255,255,.07);
  --radius:     12px;
  --radius-sm:  7px;
  --font:       'Inter', system-ui, sans-serif;
  --mono:       'JetBrains Mono', monospace;
  --transition: .22s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, #0d1526 0%, #12192e 60%, #1a1040 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 32px rgba(0,0,0,.5);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.8rem 2rem 1rem;
}

.hero-avatar {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .05em;
  box-shadow: 0 0 0 3px rgba(79,142,247,.3), 0 0 20px var(--accent-glow);
}

.hero-text h1 {
  font-size: 1.65rem;
  font-weight: 700;
  background: linear-gradient(90deg, #fff 0%, #a5bffa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-title {
  color: var(--accent);
  font-weight: 600;
  font-size: .95rem;
  margin-top: .2rem;
}

.hero-company {
  color: var(--text-muted);
  font-size: .85rem;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .6rem;
  align-items: center;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: rgba(79,142,247,.12);
  color: var(--accent);
  border: 1px solid rgba(79,142,247,.3);
  padding: .3rem .75rem;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.btn-link:hover { background: rgba(79,142,247,.22); border-color: var(--accent); }
.btn-link svg { width: 14px; height: 14px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--text-muted);
  font-size: .8rem;
}
.chip svg { width: 13px; height: 13px; }

/* ---------- NAV TABS ---------- */
.nav-tabs {
  display: flex;
  gap: 0;
  max-width: 900px;
  margin: .8rem auto 0;
  padding: 0 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 500;
  padding: .6rem 1.1rem;
  white-space: nowrap;
  transition: var(--transition);
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- CONTAINER ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

/* ---------- SECTIONS ---------- */
.section { display: none; }
.section.active { display: block; }

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1rem;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 70%;
  background: linear-gradient(180deg, var(--accent), var(--accent-alt));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .8rem;
}

/* ---------- ABOUT ---------- */
.about-text {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.about-text strong { color: var(--text); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: rgba(79,142,247,.3);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .2rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ---------- EXPERIENCE ---------- */
.company-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}
.company-block:hover { border-color: rgba(79,142,247,.2); }

.company-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.company-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  font-family: var(--mono);
  flex-shrink: 0;
}
.company-logo.akamai  { background: linear-gradient(135deg, #009BDE, #0057A8); }
.company-logo.useready{ background: linear-gradient(135deg, #e05a2b, #c0392b); }
.company-logo.musigma  { background: linear-gradient(135deg, #6c3483, #4a235a); }

.company-name { font-size: 1.05rem; font-weight: 700; }

.meta {
  font-size: .8rem;
  color: var(--text-muted);
  display: block;
  margin-top: .1rem;
}

.role-block {
  margin-bottom: 1.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}
.role-block:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

.role-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .8rem;
}

.role-title {
  font-weight: 600;
  color: var(--text);
}

.role-date {
  font-size: .78rem;
  color: var(--accent);
  background: rgba(79,142,247,.1);
  padding: .2rem .55rem;
  border-radius: 20px;
  white-space: nowrap;
}

.role-bullets {
  list-style: none;
  color: var(--text-muted);
  font-size: .88rem;
}
.role-bullets li {
  padding: .3rem 0 .3rem 1.1rem;
  position: relative;
}
.role-bullets li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.role-bullets strong { color: var(--text); }

.role-desc {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: .8rem;
}

.project-card {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: .9rem 1rem;
  margin: .75rem 0;
  border-left: 2px solid var(--accent-alt);
}
.project-name {
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: .3rem;
  color: #c4b5fd;
}
.project-card p {
  font-size: .83rem;
  color: var(--text-muted);
  margin-bottom: .5rem;
}

.tech-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .5rem; }
.tag {
  background: rgba(79,142,247,.1);
  color: var(--accent);
  border: 1px solid rgba(79,142,247,.2);
  font-size: .72rem;
  font-family: var(--mono);
  padding: .15rem .5rem;
  border-radius: 20px;
}

/* ---------- SKILLS ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  transition: var(--transition);
}
.skill-category:hover { border-color: rgba(124,92,191,.3); }
.skill-category h3 {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent-alt);
  font-weight: 700;
  margin-bottom: .75rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.stag {
  background: var(--bg-elevated);
  color: var(--text);
  font-size: .78rem;
  padding: .25rem .6rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: default;
}
.stag:hover {
  border-color: rgba(124,92,191,.4);
  color: #c4b5fd;
  background: rgba(124,92,191,.08);
}

/* ---------- EDUCATION ---------- */
.edu-card {
  display: flex;
  gap: 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}
.edu-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #059669, #065f46);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  font-family: var(--mono);
  flex-shrink: 0;
}
.edu-content h3 { font-size: .95rem; font-weight: 700; }
.edu-school { color: var(--accent); font-size: .85rem; margin-top: .2rem; }
.edu-meta { color: var(--text-muted); font-size: .82rem; margin-top: .2rem; }
.edu-meta strong { color: var(--text); }
.edu-activities { color: var(--text-muted); font-size: .8rem; font-style: italic; margin-top: .2rem; }

.cert-block, .lang-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem;
  margin-top: 1.2rem;
}

.cert-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: .75rem;
}
.cert-icon { font-size: 1.5rem; }
.cert-name { font-weight: 600; }
.cert-issuer { color: var(--text-muted); font-size: .83rem; margin-top: .15rem; }
.cert-id { color: var(--text-muted); font-size: .75rem; font-family: var(--mono); }

.lang-tags { display: flex; gap: .6rem; margin-top: .75rem; }
.ltag {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: .35rem .9rem;
  border-radius: 20px;
  font-size: .83rem;
  color: var(--text);
}

/* ---------- AWARDS ---------- */
.award-card {
  display: flex;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}
.award-card:hover { border-color: rgba(79,142,247,.2); }
.award-card.project-featured { border-color: rgba(124,92,191,.3); }
.award-icon { font-size: 1.6rem; flex-shrink: 0; }
.award-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.award-meta { font-size: .8rem; color: var(--accent); margin-bottom: .4rem; }
.award-card p { font-size: .85rem; color: var(--text-muted); }
.award-quote {
  font-style: italic;
  border-left: 2px solid var(--accent-alt);
  padding-left: .75rem;
  color: var(--text-muted);
  font-size: .83rem !important;
  margin-top: .5rem;
}

/* ---------- FOOTER ---------- */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: .8rem;
  border-top: 1px solid var(--border);
}
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 650px) {
  .hero-inner { flex-direction: column; text-align: center; padding: 1.5rem 1rem .7rem; }
  .hero-links { justify-content: center; }
  .nav-tabs { padding: 0 .5rem; }
  .container { padding: 1.5rem 1rem 3rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .role-header { flex-direction: column; }
  .company-header { flex-direction: row; }
}