*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0d14;
  --bg2:       #0f1320;
  --bg3:       #141929;
  --card:      #161c2e;
  --border:    #1e2640;
  --accent:    #00d4ff;
  --accent2:   #7c5cfc;
  --accent3:   #00ff9d;
  --text:      #e2e8f0;
  --muted:     #7a8ba6;
  --radius:    12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .75; }

/* ── NAV ─────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
  background: rgba(10,13,20,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: .95rem; color: var(--accent);
  letter-spacing: .04em;
}
.nav-logo:hover { opacity: 1; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { font-size: .875rem; color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--text); opacity: 1; }
.nav-cta {
  background: var(--accent); color: #000 !important;
  padding: .45rem 1.1rem; border-radius: 6px;
  font-weight: 600; font-size: .85rem; opacity: 1 !important;
}
.nav-cta:hover { background: #33deff; opacity: 1 !important; }

/* ── HERO ─────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 100px 5% 60px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,252,.18) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero-content { position: relative; max-width: 780px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.25);
  color: var(--accent); font-size: .8rem; font-weight: 600;
  padding: .35rem .9rem; border-radius: 999px;
  margin-bottom: 1.6rem; letter-spacing: .08em; text-transform: uppercase;
}
.hero-badge span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent3); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -.02em; margin-bottom: 1.2rem;
}
h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--muted); max-width: 560px; margin: 0 auto 2.4rem;
}

.hero-stats {
  display: flex; justify-content: center; gap: 3rem;
  margin-bottom: 2.8rem; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--accent); display: block; line-height: 1; }
.stat-label { font-size: .75rem; color: var(--muted); margin-top: .3rem; text-transform: uppercase; letter-spacing: .06em; }

.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-weight: 700; padding: .85rem 2rem;
  border-radius: 8px; font-size: .95rem; border: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 0 30px rgba(0,212,255,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 40px rgba(0,212,255,.4); opacity: 1; }
.btn-outline {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1.5px solid var(--border); color: var(--text);
  font-weight: 600; padding: .85rem 2rem; border-radius: 8px;
  font-size: .95rem; background: transparent; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.btn-outline:hover { border-color: var(--accent); background: rgba(0,212,255,.06); opacity: 1; }

.scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  color: var(--muted); font-size: .8rem; display: flex; flex-direction: column; align-items: center; gap: .4rem;
  animation: float 3s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(-6px)} }
.scroll-hint svg { width: 20px; opacity: .5; }

/* ── SECTIONS ─────────────────────────────── */
section { padding: 100px 5%; }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem; color: var(--accent); letter-spacing: .15em;
  text-transform: uppercase; margin-bottom: .6rem;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: .8rem; }
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 520px; }
.section-header { margin-bottom: 3.5rem; }
.container { max-width: 1100px; margin: 0 auto; }
.highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── ABOUT ─────────────────────────────────── */
#about { background: var(--bg2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.about-text p { color: var(--muted); margin-bottom: 1rem; font-size: 1.02rem; }
.about-text p strong { color: var(--text); }
.about-meta { display: flex; flex-direction: column; gap: .75rem; margin-top: 1.5rem; }
.meta-row { display: flex; align-items: center; gap: .75rem; font-size: .9rem; color: var(--muted); }
.meta-row svg { width: 18px; color: var(--accent); flex-shrink: 0; }
.meta-row a, .meta-row span { color: var(--text); }

.cert-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem; display: flex; gap: 1.2rem; align-items: flex-start;
}
.cert-icon {
  width: 50px; height: 50px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, #4285f4, #34a853);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.cert-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.cert-card p { font-size: .82rem; color: var(--muted); }
.cert-badge {
  display: inline-block; margin-top: .5rem;
  background: rgba(0,255,157,.12); color: var(--accent3);
  border: 1px solid rgba(0,255,157,.25); border-radius: 999px;
  font-size: .72rem; font-weight: 700; padding: .15rem .6rem; letter-spacing: .04em;
}

/* ── SKILLS ────────────────────────────────── */
#skills { background: var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.skill-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; transition: border-color .3s, transform .3s;
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.skill-card-header { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.skill-icon {
  width: 40px; height: 40px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.skill-card h3 { font-size: .95rem; font-weight: 700; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
  color: var(--muted); font-size: .78rem; font-weight: 500;
  padding: .25rem .65rem; border-radius: 6px; font-family: 'JetBrains Mono', monospace;
  transition: all .2s;
}
.tag:hover { background: rgba(0,212,255,.1); border-color: var(--accent); color: var(--accent); }

/* ── EXPERIENCE ────────────────────────────── */
#experience { background: var(--bg2); }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
}
.timeline-item { position: relative; margin-bottom: 3rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2.45rem; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg2);
  box-shadow: 0 0 12px var(--accent);
}
.exp-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem; transition: border-color .3s;
}
.exp-card:hover { border-color: rgba(0,212,255,.4); }
.exp-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: .5rem; margin-bottom: .4rem; }
.exp-title { font-size: 1.1rem; font-weight: 700; }
.exp-company { color: var(--accent); font-weight: 600; font-size: .95rem; }
.exp-period {
  font-family: 'JetBrains Mono', monospace; font-size: .78rem; color: var(--muted);
  background: rgba(255,255,255,.05); padding: .25rem .7rem; border-radius: 6px; white-space: nowrap;
}
.exp-location { font-size: .82rem; color: var(--muted); margin-bottom: 1rem; }
.exp-bullets { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.exp-bullets li {
  font-size: .9rem; color: var(--muted); padding-left: 1.2rem; position: relative; line-height: 1.6;
}
.exp-bullets li::before {
  content: '▸'; position: absolute; left: 0; color: var(--accent); font-size: .8rem; top: .05rem;
}
.exp-bullets li strong { color: var(--text); }
.impact-badge {
  display: inline-block; background: rgba(0,255,157,.1); color: var(--accent3);
  border: 1px solid rgba(0,255,157,.2); border-radius: 4px;
  font-size: .76rem; font-weight: 700; padding: .1rem .45rem;
}

/* ── BLOG ──────────────────────────────────── */
#blog { background: var(--bg); }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.blog-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color .3s, transform .3s; display: flex; flex-direction: column;
  color: var(--text);
}
.blog-card:hover { border-color: rgba(124,92,252,.5); transform: translateY(-4px); opacity: 1; }
.blog-img {
  height: 180px; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.blog-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-meta { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.blog-tag {
  background: rgba(124,92,252,.15); color: var(--accent2);
  border: 1px solid rgba(124,92,252,.25); font-size: .72rem; font-weight: 700;
  padding: .2rem .6rem; border-radius: 999px; letter-spacing: .04em; text-transform: uppercase;
}
.blog-date { font-size: .78rem; color: var(--muted); }
.blog-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; line-height: 1.4; color: var(--text); }
.blog-card p { font-size: .87rem; color: var(--muted); flex: 1; line-height: 1.7; }
.blog-read {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .82rem; font-weight: 600; color: var(--accent);
  margin-top: 1.2rem;
}
.blog-read svg { width: 14px; transition: transform .2s; }
.blog-card:hover .blog-read svg { transform: translateX(3px); }
.blog-view-all { text-align: center; margin-top: 3rem; }

/* ── EDUCATION ─────────────────────────────── */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.edu-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem; display: flex; gap: 1rem; align-items: flex-start;
  transition: border-color .3s;
}
.edu-card:hover { border-color: rgba(0,212,255,.3); }
.edu-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.edu-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: .2rem; }
.edu-card .school { font-size: .85rem; color: var(--accent); font-weight: 500; margin-bottom: .2rem; }
.edu-card .period { font-size: .78rem; color: var(--muted); }

/* ── CONTACT ─────────────────────────────────── */
#contact { background: var(--bg); text-align: center; }
.contact-card {
  max-width: 680px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 3rem 2.5rem;
  background-image: radial-gradient(circle at 50% 0%, rgba(0,212,255,.07), transparent 60%);
}
.contact-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: .75rem; }
.contact-card p { color: var(--muted); margin-bottom: 2rem; font-size: 1rem; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.contact-link {
  display: inline-flex; align-items: center; gap: .6rem;
  border: 1.5px solid var(--border); color: var(--text);
  padding: .7rem 1.4rem; border-radius: 8px; font-size: .9rem; font-weight: 500;
  background: rgba(255,255,255,.03); transition: all .2s;
}
.contact-link:hover { border-color: var(--accent); background: rgba(0,212,255,.07); color: var(--accent); opacity: 1; }
.contact-link svg { width: 18px; }

/* ── FOOTER ──────────────────────────────────── */
footer {
  border-top: 1px solid var(--border); padding: 2rem 5%;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  color: var(--muted); font-size: .82rem;
}
.footer-mono { font-family: 'JetBrains Mono', monospace; color: var(--accent); }

/* ── POST PAGE ──────────────────────────────── */
.post-page {
  padding: 120px 5% 80px;
  max-width: 820px;
  margin: 0 auto;
}
.post-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
}
.post-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; letter-spacing: -.02em;
  margin: .5rem 0 1rem; line-height: 1.2;
  -webkit-text-fill-color: var(--text);
}
.post-meta { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.post-back {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .85rem; color: var(--muted); margin-bottom: 2rem; transition: color .2s;
}
.post-back:hover { color: var(--accent); opacity: 1; }
.post-content { color: var(--muted); line-height: 1.9; font-size: 1.05rem; }
.post-content h2 { color: var(--text); font-size: 1.6rem; font-weight: 700; margin: 2.5rem 0 1rem; -webkit-text-fill-color: var(--text); }
.post-content h3 { color: var(--text); font-size: 1.2rem; font-weight: 700; margin: 2rem 0 .75rem; -webkit-text-fill-color: var(--text); }
.post-content p { margin-bottom: 1.25rem; }
.post-content strong { color: var(--text); }
.post-content code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--card); border: 1px solid var(--border);
  padding: .15rem .4rem; border-radius: 4px; font-size: .88em; color: var(--accent);
}
.post-content pre {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; overflow-x: auto; margin: 1.5rem 0;
}
.post-content pre code { background: none; border: none; padding: 0; color: var(--text); font-size: .9rem; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.post-content li { margin-bottom: .5rem; }
.post-content blockquote {
  border-left: 3px solid var(--accent); padding: .75rem 1.25rem; margin: 1.5rem 0;
  color: var(--muted); background: rgba(0,212,255,.05);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.post-content a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(0,212,255,.3); }
.post-content a:hover { opacity: .8; }
.post-content img { max-width: 100%; border-radius: var(--radius); margin: 1.5rem 0; border: 1px solid var(--border); }

/* ── BLOG LISTING PAGE ──────────────────────── */
.blog-listing-page { padding: 120px 5% 80px; }
.blog-empty { text-align: center; padding: 4rem 0; color: var(--muted); }
.blog-empty .empty-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.blog-empty p { font-size: 1.05rem; }

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 4%; }
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { gap: 1.5rem; }
  section { padding: 70px 4%; }
  .timeline { padding-left: 1.5rem; }
  .timeline-item::before { left: -1.95rem; }
  .post-page { padding: 100px 4% 60px; }
  .blog-listing-page { padding: 100px 4% 60px; }
}

/* ── SCROLL ANIMATION ────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
.reveal.visible { opacity: 1; transform: none; }