/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F4F8FF;
  --bg-soft: #EBF2FC;
  --hero-bg: #0B1B3B;
  --card-dark: #0F2348;
  --card-light: #EAF2FF;
  --accent: #2563EB;
  --accent-light: #60A5FA;
  --accent-soft: #BFDBFE;
  --accent-tint: #DBEAFE;
  --text-dark: #0B1B3B;
  --text-mid: #3F4E6B;
  --text-muted: #7888A8;
  --white: #ffffff;
  --border: rgba(11,27,59,0.08);
  --border-dark: rgba(255,255,255,0.1);
  --font: 'Plus Jakarta Sans', sans-serif;
  --radius: 20px;
  --radius-hero: 28px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

/* ===== NAVBAR — white bar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(244,248,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px; height: 60px;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(11,27,59,0.06); }
.nav-left, .nav-right { display: flex; gap: 36px; }
.nav-link {
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--text-mid);
  transition: color var(--transition);
}
.nav-link:hover { color: var(--text-dark); }
.nav-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.logo-mark {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  cursor: pointer; transition: transform var(--transition);
}
.logo-mark:hover { transform: rotate(20deg) scale(1.1); }
.logo-mark svg { width: 36px; height: 36px; }

/* Mobile Nav */
.mobile-nav {
  display: none; position: fixed; top: 0; left: 0; right: 0;
  z-index: 999; background: rgba(244,248,255,0.92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); padding: 14px 20px;
}
.mobile-nav-inner { display: flex; align-items: center; justify-content: space-between; }
.hamburger { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #111; border-radius: 2px; }
.mobile-menu { display: none; flex-direction: column; padding-top: 12px; }
.mobile-menu.open { display: flex; }
.mobile-link { padding: 12px 0; font-size: 15px; font-weight: 600; color: var(--text-mid); border-bottom: 1px solid var(--border); }

/* ===== HERO SECTION ===== */
.hero-wrapper {
  padding: 76px 24px 0;
  display: flex; flex-direction: column; align-items: center;
}

/* The big rounded card */
.hero-card {
  width: 100%; max-width: 1100px;
  background:
    radial-gradient(circle at 80% 0%, rgba(96,165,250,0.18), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(37,99,235,0.22), transparent 55%),
    var(--hero-bg);
  border-radius: 28px;
  padding: 68px 60px 68px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.3);
  border-radius: 100px; padding: 7px 16px;
  font-size: 12px; font-weight: 600; color: var(--accent-light);
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }

.hero-title {
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 800; line-height: 1.08; letter-spacing: -1.8px;
  color: var(--white); margin-bottom: 20px;
}
.hero-title em { font-style: italic; color: var(--accent-light); font-weight: 700; }

.hero-bio {
  font-size: 16px; line-height: 1.7; color: rgba(255,255,255,0.7);
  max-width: 560px; margin: 0 auto 32px;
}

/* Primary pill CTA in hero */
.hero-cta-row {
  display: inline-flex; align-items: center; gap: 14px;
  flex-wrap: wrap; justify-content: center;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: white;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15px; font-weight: 700;
  transition: var(--transition);
  margin-bottom: 0;
}
.hero-cta:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,99,235,0.4); }
.hero-cta:hover .cta-arrow { transform: translate(4px, -1px); }
.cta-arrow {
  display: inline-block; color: white; font-size: 17px; font-weight: 700;
  line-height: 1; transition: transform var(--transition);
  margin-left: 2px;
  transform: translateY(-1px);
}
.hero-cta-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
  padding: 12.5px 26px; border-radius: 100px;
  font-size: 15px; font-weight: 700;
  transition: var(--transition);
}
.hero-cta-ghost:hover {
  border-color: var(--accent-light); color: var(--accent-light);
  background: rgba(96,165,250,0.10); transform: translateY(-2px);
}
.hero-cta-ghost:hover .ghost-arrow { transform: translateY(2px); }
.ghost-arrow {
  display: inline-block; font-size: 17px; font-weight: 700;
  line-height: 1; transition: transform var(--transition);
  margin-left: 2px;
  transform: translateY(-1px);
}

/* ===== SHARED ===== */
.section-wrap { max-width: 1100px; margin: 0 auto; padding: 110px 32px; }
.section-tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 2.4px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.section-heading {
  font-size: clamp(30px, 4.5vw, 52px); font-weight: 800;
  line-height: 1.12; letter-spacing: -1.5px; color: var(--text-dark);
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: white; padding: 13px 26px;
  border-radius: 100px; font-size: 14px; font-weight: 700;
  transition: var(--transition);
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(37,99,235,0.35); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: white;
  border: 1.5px solid var(--accent-tint); border-radius: 100px;
  padding: 14px 26px; font-size: 14px; font-weight: 700; color: var(--text-dark);
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-tint); transform: translateY(-2px); }
.btn-arrow { transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(3px); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid; grid-template-columns: 0.95fr 1.15fr;
  gap: 56px; align-items: stretch; margin-top: 0;
}
.about-text-col { padding-top: 4px; display: flex; flex-direction: column; }
.about-text-col .skills-grid { margin-top: auto; padding-top: 24px; margin-bottom: 0; }
.about-img-wrap {
  background: var(--card-light); border-radius: var(--radius);
  width: 100%; flex: 1 1 auto;
  min-height: 440px; max-height: 600px;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--accent-tint);
}
.about-img-wrap::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 60% 40%, rgba(37,99,235,0.20), transparent 70%);
}
.about-photo {
  position: absolute;
  top: 16px; left: 16px; right: 16px; bottom: 16px;
  width: auto; height: auto; max-width: none; max-height: none;
  object-fit: cover; object-position: center 25%;
  z-index: 2;
  border-radius: 14px;
  box-shadow: 0 14px 36px rgba(11,27,59,0.18);
}
.about-avatar {
  width: 150px; height: 150px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; font-weight: 900; color: white;
  position: relative; z-index: 1;
  box-shadow: 0 16px 48px rgba(37,99,235,0.3);
  letter-spacing: -2px;
}
.about-left-col { display: flex; flex-direction: column; gap: 14px; height: 100%; }
.about-credential {
  width: 100%;
  background: white;
  border: 1px solid var(--accent-tint);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 6px 20px rgba(11,27,59,0.05);
}
.about-credential-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-tint);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.about-credential-title { font-size: 15px; font-weight: 800; color: var(--text-dark); line-height: 1.25; }
.about-credential-sub { font-size: 12.5px; font-weight: 500; color: var(--text-muted); margin-top: 3px; }
.about-float-badge small { font-size: 10px; color: var(--text-muted); display: block; font-weight: 400; }
.about-text { font-size: 16px; line-height: 1.8; color: var(--text-mid); margin-bottom: 20px; }
.about-tagline {
  font-size: 15px; font-weight: 700; color: var(--accent);
  letter-spacing: 0.2px; margin: 6px 0 24px;
  text-transform: uppercase;
}
.skills-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 32px; }
.skill-tag {
  background: var(--bg-soft); border: 1.5px solid transparent;
  border-radius: 100px; padding: 6px 14px;
  font-size: 13px; font-weight: 600; color: var(--text-mid);
  transition: var(--transition);
}
.skill-tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-tint); }

/* ===== WORKS ===== */
.works-section { padding: 110px 32px; max-width: 1100px; margin: 0 auto; }
.section-header-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 48px; flex-wrap: wrap; gap: 24px;
}
.section-header-row > div { display: flex; flex-direction: column; gap: 14px; }
.section-header-row .section-tag { margin-bottom: 0; }
.section-header-row .btn-outline { flex-shrink: 0; }
.works-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.project-card {
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; display: flex; flex-direction: column;
}
.project-card:hover { transform: translateY(-6px); }
.project-card--dark { background: var(--card-dark); }
.project-card--dark:hover { box-shadow: 0 24px 60px rgba(0,0,0,0.25); }
.project-card--light { background: var(--card-light); }
.project-card--light:hover { box-shadow: 0 20px 50px rgba(0,0,0,0.12); }

.project-card-inner { padding: 28px; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.project-meta { display: flex; align-items: center; justify-content: space-between; }
.project-num { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.3); }
.project-num--dark { color: rgba(0,0,0,0.35); }
.project-tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.5px;
  background: rgba(255,255,255,0.1); border-radius: 100px;
  padding: 4px 10px; color: rgba(255,255,255,0.6);
}
.project-tag--dark { background: var(--accent-tint); color: var(--accent); }
.project-title { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; color: white; margin-bottom: 6px; }
.project-title--dark { color: var(--text-dark); }
.project-desc { font-size: 13.5px; line-height: 1.65; color: rgba(255,255,255,0.7); }
.project-desc--dark { color: var(--text-mid); }
.project-visual { min-height: 150px; border-radius: 12px; overflow: hidden; margin: 4px 0; }
.project-footer { margin-top: auto; }
.project-link { font-size: 13px; font-weight: 700; color: var(--accent); }
.project-link--light { color: var(--text-dark); }
.project-link--white { color: white; }

/* ===== PROJECT VISUALS (dev-themed) ===== */
.project-visual { font-family: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace; }

/* 01 — Terminal (s3-secure-vault) */
.code-visual { background: rgba(37,99,235,0.08); display:flex; align-items:center; justify-content:center; padding:16px; height:170px; }
.terminal-mockup { width:100%; background:#0d0d0d; border-radius:10px; border:1px solid #2a2a2a; overflow:hidden; box-shadow:0 8px 24px rgba(0,0,0,0.3); }
.terminal-bar { display:flex; align-items:center; gap:5px; background:#1a1a1a; padding:7px 10px; border-bottom:1px solid #2a2a2a; }
.terminal-bar .dot-r,.terminal-bar .dot-y,.terminal-bar .dot-g { width:8px; height:8px; border-radius:50%; }
.terminal-bar .dot-r { background:#ff5f57; }
.terminal-bar .dot-y { background:#febc2e; }
.terminal-bar .dot-g { background:#28c840; }
.terminal-title { font-size:9px; color:rgba(255,255,255,0.4); margin-left:auto; margin-right:auto; }
.terminal-body { padding:9px 12px; font-size:10px; line-height:1.7; color:rgba(255,255,255,0.85); }
.term-line { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.term-prompt { color:var(--accent); font-weight:700; margin-right:6px; }
.term-ok { color:#5ad07d; }

/* 02 — Graph (legal-reasoning-explorer) */
.graph-visual { background:#f4f0ea; display:flex; align-items:center; justify-content:center; padding:14px; height:170px; position:relative; }
.graph-mockup { position:relative; width:100%; height:100%; }
.graph-mockup .graph-lines { position:absolute; inset:0; width:100%; height:100%; }
.graph-mockup .graph-lines line { stroke:#1a1a1a; stroke-width:1.2; opacity:0.35; stroke-dasharray:3 3; }
.graph-mockup .node {
  position:absolute; background:white; border:1.5px solid #1a1a1a;
  border-radius:8px; padding:5px 10px; font-size:10px; font-weight:700;
  color:#1a1a1a; box-shadow:0 4px 12px rgba(0,0,0,0.08);
}
.node-a { top:18%; left:8%; }
.node-b { top:18%; left:46%; background:var(--accent); color:white; border-color:var(--accent); }
.node-c { top:72%; left:46%; }
.node-d { top:72%; left:80%; background:#1a1a1a; color:white; }

/* 03 — Code block (Lively) — on light card */
.lively-visual { background:var(--accent-tint); display:flex; align-items:center; justify-content:center; padding:14px; height:170px; }
.code-block { width:100%; background:#081530; border-radius:8px; padding:12px 14px; font-size:10.5px; line-height:1.7; color:#e6efff; box-shadow:0 8px 24px rgba(0,0,0,0.25); border:1px solid rgba(96,165,250,0.18); }
.code-line { white-space:nowrap; }
.code-block .kw { color:#7fb3ff; font-weight:700; }
.code-block .fn { color:#a7c8ff; }
.code-block .ty { color:#c4b6ff; }
.code-block .cm { color:#6a7a96; font-style:italic; }

/* 03 — IME AI Chat — on dark card */
.chat-visual { background:rgba(96,165,250,0.10); display:flex; align-items:center; justify-content:center; padding:14px; height:170px; }
.chat-mockup { width:100%; background:white; border-radius:10px; padding:10px 12px 8px; box-shadow:0 8px 24px rgba(0,0,0,0.3); font-family:var(--font); display:flex; flex-direction:column; gap:5px; }
.chat-header { display:flex; align-items:center; gap:8px; padding-bottom:6px; border-bottom:1px solid #eef3fb; margin-bottom:2px; }
.chat-avatar { width:22px; height:22px; border-radius:50%; background:linear-gradient(135deg,var(--accent),var(--accent-light)); color:white; display:flex; align-items:center; justify-content:center; font-size:11px; flex-shrink:0; }
.chat-name { font-size:10px; font-weight:800; color:var(--text-dark); line-height:1.2; }
.chat-status { font-size:8px; color:var(--text-muted); font-weight:600; display:flex; align-items:center; gap:3px; }
.chat-dot { width:5px; height:5px; border-radius:50%; background:#28c840; display:inline-block; }
.chat-msg { font-size:9.5px; padding:5px 9px; border-radius:9px; line-height:1.4; max-width:78%; }
.chat-msg--user { background:var(--accent); color:white; align-self:flex-end; border-bottom-right-radius:3px; }
.chat-msg--bot { background:var(--accent-tint); color:var(--text-dark); align-self:flex-start; border-bottom-left-radius:3px; }
.chat-input { margin-top:2px; background:#f4f7fb; color:var(--text-muted); font-size:9px; padding:5px 9px; border-radius:14px; }

/* ===== EXPERIENCE ===== */
.timeline { margin-top: 48px; position: relative; }
.timeline::before { content:'';position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--accent),var(--accent-tint)); border-radius:2px; }
.timeline-item { padding-left: 44px; position: relative; margin-bottom: 44px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { position:absolute;left:4px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid white;box-shadow:0 0 0 2px var(--accent-soft); }
.timeline-date { font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:5px; }
.timeline-title { font-size:19px;font-weight:800;color:var(--text-dark);margin-bottom:3px; }
.timeline-org { font-size:13px;color:var(--text-muted);margin-bottom:8px;font-weight:500; }
.timeline-desc { font-size:14.5px;color:var(--text-mid);line-height:1.7; }

/* ===== TOOLS ===== */
.tools-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px; }
.tool-card {
  background:#f9f9f9; border:1.5px solid var(--border);
  border-radius:var(--radius); padding:24px 16px; text-align:center;
  transition:var(--transition);
}
.tool-card:hover { border-color:var(--accent);transform:translateY(-4px);background:white;box-shadow:0 10px 30px rgba(37,99,235,0.1); }
.tool-icon { font-size:28px;margin-bottom:8px; }
.tool-name { font-size:14px;font-weight:700;color:var(--text-dark);margin-bottom:3px; }
.tool-level { font-size:11px;color:var(--text-muted);font-weight:500; }

/* ===== CONTACT ===== */
.contact-section { padding: 90px 32px 110px; max-width: 980px; margin: 0 auto; }
.contact-card {
  background:
    radial-gradient(circle at 80% 0%, rgba(96,165,250,0.18), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(37,99,235,0.22), transparent 55%),
    var(--hero-bg);
  color: white;
  border-radius: 28px; padding: 80px 56px; text-align: center;
}
.contact-card .section-tag { color: var(--accent); }
.contact-heading { font-size: clamp(28px,4.5vw,50px);font-weight:800;line-height:1.1;letter-spacing:-1.5px;color:white;margin:14px 0 20px; }
.contact-sub { font-size:16px;color:rgba(255,255,255,0.55);line-height:1.75;max-width:500px;margin:0 auto 40px; }
.contact-buttons { display:flex;flex-direction:column;align-items:center;gap:20px; }
.btn-large { font-size:16px;padding:16px 34px; }
.social-links { display:flex;gap:14px; }
.social-link { display:flex;align-items:center;gap:7px;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);border-radius:100px;padding:10px 20px;font-size:13px;font-weight:600;color:rgba(255,255,255,0.7);transition:var(--transition); }
.social-link:hover { border-color:var(--accent);color:var(--accent); }

/* ===== FOOTER ===== */
.footer { border-top:1px solid var(--border);padding:36px 24px; }
.footer-inner { max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px; }
.footer-brand { display:flex;align-items:center;gap:10px; }
.footer-name { font-size:15px;font-weight:700;color:var(--text-dark); }
.footer-links { display:flex;gap:24px; }
.footer-links a { font-size:13px;color:var(--text-muted);font-weight:500;transition:color var(--transition); }
.footer-links a:hover { color:var(--text-dark); }
.footer-copy { font-size:12px;color:var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width:900px) {
  .navbar { display:none; }
  .mobile-nav { display:block; }
  .hero-wrapper { padding-top:72px; }
  .hero-card { padding:60px 24px 60px; }
  .about-grid { grid-template-columns:1fr; }
  .about-img-wrap { height:260px; }
  .works-grid { grid-template-columns:1fr; }
  .tools-grid { grid-template-columns:repeat(2,1fr); }
  .contact-card { padding:44px 24px; }
  .footer-inner { flex-direction:column;text-align:center; }
  .footer-links { justify-content:center; }
}
@media (max-width:500px) {
  .hero-title { font-size:38px;letter-spacing:-1px; }
  .section-header-row { flex-direction:column;align-items:flex-start; }
  .tools-grid { grid-template-columns:repeat(2,1fr); }
  .contact-heading { font-size:26px; }
  .social-links { flex-direction:column;width:100%; }
}

/* ===== NOW STRIP ===== */
.now-strip {
  max-width: 1100px; margin: 36px auto 0; padding: 0 32px;
}
.now-inner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
  background: white;
  border: 1px solid var(--accent-tint);
  border-radius: 100px;
  padding: 12px 24px;
  font-size: 13px; color: var(--text-mid);
  box-shadow: 0 6px 20px rgba(11,27,59,0.05);
}
.now-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
  box-shadow: 0 0 0 0 var(--accent);
  animation: now-pulse 2s ease-in-out infinite;
}
@keyframes now-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0.5); }
  50% { box-shadow: 0 0 0 6px rgba(37,99,235,0); }
}
.now-label {
  font-size: 11px; font-weight: 800; letter-spacing: 2px;
  color: var(--accent); text-transform: uppercase;
}
.now-divider { color: var(--accent-tint); font-weight: 700; }
.now-dot { color: var(--text-muted); font-weight: 700; }
.now-item { font-weight: 500; }
.now-item strong { color: var(--text-dark); font-weight: 700; }

@media (max-width: 700px) {
  .now-inner { border-radius: 18px; padding: 14px 20px; }
  .now-dot { display: none; }
  .now-item { flex-basis: 100%; }
}

/* ===== STATS BENTO ===== */
.stats-section { max-width: 1100px; margin: 0 auto; padding: 60px 32px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.stat-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 22px;
  transition: var(--transition);
  display: flex; flex-direction: column; gap: 6px;
}
.stat-card:hover { transform: translateY(-3px); border-color: var(--accent-soft); box-shadow: 0 12px 30px rgba(37,99,235,0.10); }
.stat-num {
  font-size: 42px; font-weight: 800; letter-spacing: -2px;
  color: var(--accent); line-height: 1;
}
.stat-label {
  font-size: 12px; font-weight: 700; color: var(--text-mid);
  text-transform: uppercase; letter-spacing: 1.2px;
}
.stat-sub { font-size: 12px; color: var(--text-muted); }

@media (max-width: 700px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== CERTIFICATIONS ===== */
.certs-section { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.certs-section .section-wrap { padding-top: 80px; padding-bottom: 80px; }
.certs-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 48px;
}
.cert-card { grid-column: span 2; }
/* Center the orphan row when there are 5 cards (last two cards) */
.cert-card:nth-child(4):nth-last-child(2) { grid-column: 2 / span 2; }
.cert-card:nth-child(5):nth-last-child(1) { grid-column: 4 / span 2; }
.cert-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  display: flex; align-items: flex-start; gap: 14px;
  transition: var(--transition);
}
.cert-card:hover { transform: translateY(-3px); border-color: var(--accent-soft); box-shadow: 0 12px 30px rgba(37,99,235,0.10); }
.cert-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--accent-tint); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; flex-shrink: 0;
}
.cert-body { flex: 1; min-width: 0; }
.cert-title { font-size: 14.5px; font-weight: 800; color: var(--text-dark); line-height: 1.35; margin-bottom: 4px; }
.cert-issuer { font-size: 12px; font-weight: 600; color: var(--accent); }

@media (max-width: 900px) {
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-card,
  .cert-card:nth-child(4):nth-last-child(2),
  .cert-card:nth-child(5):nth-last-child(1) { grid-column: auto; }
}
@media (max-width: 600px) {
  .certs-grid { grid-template-columns: 1fr; }
}

/* ===== LEADERSHIP & COMMUNITY ===== */
.leadership-section { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.leadership-section .section-wrap { padding-top: 80px; padding-bottom: 80px; }
.leadership-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 22px; margin-top: 48px;
}
.role-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 14px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.role-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0; transition: var(--transition);
}
.role-card:hover { transform: translateY(-4px); border-color: var(--accent-soft); box-shadow: 0 14px 40px rgba(37,99,235,0.12); }
.role-card:hover::before { opacity: 1; }
.role-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-tint); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
}
.role-title { font-size: 17px; font-weight: 800; color: var(--text-dark); letter-spacing: -0.3px; line-height: 1.3; }
.role-org { font-size: 13px; font-weight: 600; color: var(--accent); }
.role-date { font-size: 11px; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
.role-desc { font-size: 13.5px; line-height: 1.7; color: var(--text-mid); margin-top: auto; }

@media (max-width: 900px) {
  .leadership-grid { grid-template-columns: 1fr; }
}

/* ===== CASE STUDY PAGE ===== */
.cs-hero {
  background:
    radial-gradient(circle at 85% 0%, rgba(96,165,250,0.20), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(37,99,235,0.22), transparent 55%),
    var(--hero-bg);
  color: white;
  padding: 130px 32px 80px;
}
.cs-hero-inner { max-width: 1100px; margin: 0 auto; }
.cs-back {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,0.6); margin-bottom: 28px;
  letter-spacing: 0.4px;
}
.cs-back:hover { color: var(--accent-light); }
.cs-back-mobile {
  font-size: 13px; font-weight: 700; color: var(--accent);
  text-decoration: none;
}
.cs-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.cs-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase;
  background: rgba(96,165,250,0.15); color: var(--accent-light);
  border: 1px solid rgba(96,165,250,0.25);
  border-radius: 100px; padding: 5px 12px;
}
.cs-title {
  font-size: clamp(48px, 7vw, 92px); font-weight: 800;
  letter-spacing: -2.5px; line-height: 1; margin-bottom: 24px;
}
.cs-subtitle {
  font-size: 18px; line-height: 1.65; color: rgba(255,255,255,0.72);
  max-width: 760px; margin-bottom: 44px;
}
.cs-meta-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.10);
}
.cs-meta { display: flex; flex-direction: column; gap: 6px; }
.cs-meta-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
}
.cs-meta-value { font-size: 14px; font-weight: 600; color: white; }
.cs-meta-value a { color: var(--accent-light); }
.cs-meta-value a:hover { color: white; }

@media (max-width: 800px) {
  .cs-meta-row { grid-template-columns: 1fr 1fr; }
}

/* Body sections */
.cs-body { background: var(--bg); }
.cs-section {
  max-width: 1100px; margin: 0 auto;
  padding: 90px 32px;
}
.cs-section--alt { background: var(--bg-soft); max-width: 100%; padding-left: 0; padding-right: 0; }
.cs-section--alt > * { max-width: 1100px; margin-left: auto; margin-right: auto; padding-left: 32px; padding-right: 32px; }
.cs-tag-label {
  font-size: 11.5px; font-weight: 800; letter-spacing: 2.4px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.cs-heading {
  font-size: clamp(28px, 3.5vw, 42px); font-weight: 800;
  letter-spacing: -1.2px; line-height: 1.15; color: var(--text-dark);
  margin-bottom: 24px;
}
.cs-para {
  font-size: 17px; line-height: 1.75; color: var(--text-mid);
  max-width: 760px; margin-bottom: 18px;
}
.cs-para em { color: var(--accent); font-style: italic; font-weight: 600; }
.cs-para--centered { text-align: center; margin-left: auto; margin-right: auto; }

/* Pipeline diagram */
.cs-pipeline {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 12px; margin: 40px 0 32px;
}
.pipe-stage {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: white; border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 20px; min-width: 110px;
  box-shadow: 0 4px 14px rgba(11,27,59,0.05);
}
.pipe-stage--accent { background: var(--accent); border-color: var(--accent); color: white; }
.pipe-num {
  font-size: 10px; font-weight: 800; letter-spacing: 1px;
  color: var(--accent); text-transform: uppercase;
}
.pipe-stage--accent .pipe-num { color: rgba(255,255,255,0.85); }
.pipe-name { font-size: 14px; font-weight: 800; color: var(--text-dark); }
.pipe-stage--accent .pipe-name { color: white; }
.pipe-sub { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.pipe-stage--accent .pipe-sub { color: rgba(255,255,255,0.7); }
.pipe-arrow { font-size: 22px; font-weight: 800; color: var(--accent-soft); }

@media (max-width: 900px) {
  .cs-pipeline { flex-direction: column; gap: 8px; }
  .pipe-arrow { transform: rotate(90deg); }
}

/* Code blocks */
.cs-code {
  background: #081530; border-radius: 14px;
  border: 1px solid rgba(96,165,250,0.20);
  overflow: hidden; margin: 24px 0;
  box-shadow: 0 14px 40px rgba(11,27,59,0.18);
}
.cs-code-bar {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.04); padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.cs-code-bar .cb-r, .cs-code-bar .cb-y, .cs-code-bar .cb-g {
  width: 9px; height: 9px; border-radius: 50%;
}
.cs-code-bar .cb-r { background: #ff5f57; }
.cs-code-bar .cb-y { background: #febc2e; }
.cs-code-bar .cb-g { background: #28c840; }
.cs-code-title {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: rgba(255,255,255,0.5); margin-left: auto; margin-right: auto;
}
.cs-code-body {
  font-family: 'JetBrains Mono', monospace; font-size: 13.5px;
  line-height: 1.7; padding: 20px 22px; color: #e6efff;
  overflow-x: auto; margin: 0;
}
.cs-code-body .kw { color: #7fb3ff; font-weight: 700; }
.cs-code-body .fn { color: #a7c8ff; }
.cs-code-body .ty { color: #c4b6ff; }
.cs-code-body .bi { color: #ffd7a8; }
.cs-code-body .cm { color: #6a7a96; font-style: italic; }

.cs-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .cs-two-col { grid-template-columns: 1fr; } }

/* Bullets */
.cs-bullets {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: flex; flex-direction: column; gap: 14px;
  max-width: 760px;
}
.cs-bullets li {
  font-size: 16px; line-height: 1.7; color: var(--text-mid);
  padding-left: 26px; position: relative;
}
.cs-bullets li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 14px; height: 2px; background: var(--accent); border-radius: 2px;
}
.cs-bullets strong { color: var(--text-dark); font-weight: 700; }

/* Lessons */
.cs-lessons { display: flex; flex-direction: column; gap: 28px; margin-top: 32px; }
.lesson-item { display: flex; gap: 22px; align-items: flex-start; }
.lesson-num {
  font-size: 28px; font-weight: 800; color: var(--accent);
  font-family: 'JetBrains Mono', monospace; flex-shrink: 0;
  line-height: 1;
}
.lesson-title { font-size: 18px; font-weight: 800; color: var(--text-dark); margin-bottom: 8px; }
.lesson-text { font-size: 15px; line-height: 1.7; color: var(--text-mid); }

@media (max-width: 700px) {
  .lesson-item { flex-direction: column; gap: 8px; }
}

/* CTA */
.cs-cta {
  max-width: 1100px; margin: 0 auto;
  padding: 100px 32px;
  text-align: center;
}
.cs-cta-heading {
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 800;
  letter-spacing: -1px; color: var(--text-dark); margin-bottom: 14px;
}
.cs-cta-sub {
  font-size: 16px; line-height: 1.7; color: var(--text-mid);
  max-width: 560px; margin: 0 auto 36px;
}
.cs-cta-row {
  display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center;
}
.cs-cta-row .hero-cta-ghost {
  background: white; border-color: var(--accent-tint); color: var(--text-dark);
}
.cs-cta-row .hero-cta-ghost:hover {
  border-color: var(--accent); color: var(--accent); background: var(--accent-tint);
}
.cs-cta-row .hero-cta-ghost .ghost-arrow { color: var(--text-dark); }
.cs-cta-row .hero-cta-ghost:hover .ghost-arrow { color: var(--accent); }

/* ===== ANIMATIONS ===== */
.fade-up { opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease; }
.fade-up.visible { opacity:1;transform:translateY(0); }