:root {
  --navy: #0A1628;
  --navy-mid: #112240;
  --navy-light: #1d3461;
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --cream: #F5F0E8;
  --text: #E8EDF5;
  --text-dim: #8899B4;
  --text-muted: #556680;
  --accent: #4A90C4;
  --green: #64FFDA;
  --border: rgba(201,168,76,0.2);
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--navy);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(10,22,40,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; color: var(--gold); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--gold); }

/* HERO */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 8rem 4rem 4rem;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(74,144,196,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(201,168,76,0.08) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0; opacity: 0.04;
  background-image: linear-gradient(var(--text-muted) 1px, transparent 1px), linear-gradient(90deg, var(--text-muted) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 900px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(201,168,76,0.1); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.4rem 1rem;
  font-size: 0.8rem; color: var(--gold); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 2rem; animation: fadeUp 0.8s ease both;
}
.hero-tag::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--gold); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
.hero-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 900; line-height: 1.0;
  color: var(--text); animation: fadeUp 0.8s 0.1s ease both;
}
.hero-name span { color: var(--gold); }
.hero-role { font-size: clamp(1rem, 2vw, 1.4rem); color: var(--text-dim); font-weight: 400; margin: 1.5rem 0; animation: fadeUp 0.8s 0.2s ease both; }
.hero-desc { max-width: 600px; font-size: 1rem; color: var(--text-dim); line-height: 1.8; margin-bottom: 3rem; animation: fadeUp 0.8s 0.3s ease both; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; animation: fadeUp 0.8s 0.4s ease both; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--gold); color: var(--navy);
  padding: 0.85rem 2rem; border-radius: 6px;
  font-weight: 600; font-size: 0.9rem; text-decoration: none;
  transition: all 0.2s; border: none; font-family: 'DM Sans', sans-serif; cursor: pointer;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.3); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--text);
  padding: 0.85rem 2rem; border-radius: 6px;
  font-weight: 500; font-size: 0.9rem; text-decoration: none;
  border: 1px solid rgba(232,237,245,0.3); transition: all 0.2s; font-family: 'DM Sans', sans-serif;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  animation: fadeUp 1s 0.8s ease both;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--gold), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%{transform:scaleY(0);transform-origin:top;} 50%{transform:scaleY(1);transform-origin:top;} 51%{transform:scaleY(1);transform-origin:bottom;} 100%{transform:scaleY(0);transform-origin:bottom;} }
@keyframes fadeUp { from{opacity:0;transform:translateY(30px);} to{opacity:1;transform:translateY(0);} }

/* SECTIONS */
section { padding: 6rem 4rem; }
.section-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.75rem; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--text); margin-bottom: 1rem; line-height: 1.2; }
.section-divider { width: 60px; height: 3px; background: linear-gradient(to right, var(--gold), transparent); margin-bottom: 3rem; }
.container { max-width: 1100px; margin: 0 auto; }

/* ABOUT */
#about { background: var(--navy-mid); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-text p { color: var(--text-dim); margin-bottom: 1.2rem; font-size: 1rem; }
.about-text p strong { color: var(--text); font-weight: 500; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }
.stat-card { background: rgba(201,168,76,0.06); border: 1px solid var(--border); border-radius: 10px; padding: 1.5rem; transition: transform 0.2s, border-color 0.2s; }
.stat-card:hover { transform: translateY(-3px); border-color: var(--gold); }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2.5rem; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }
.roles-list { list-style: none; margin-top: 1.5rem; }
.roles-list li { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); color: var(--text-dim); font-size: 0.95rem; }
.roles-list li::before { content: '→'; color: var(--gold); flex-shrink:0; margin-top:0.05rem; }

/* SKILLS */
#skills { background: var(--navy); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.skill-group { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07); border-radius: 12px; padding: 2rem; transition: border-color 0.2s, transform 0.2s; }
.skill-group:hover { border-color: var(--gold); transform: translateY(-4px); }
.skill-group-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-group h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 1rem; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { background: rgba(201,168,76,0.1); border: 1px solid rgba(201,168,76,0.25); color: var(--gold-light); border-radius: 4px; padding: 0.25rem 0.65rem; font-size: 0.78rem; font-family: 'DM Mono', monospace; }

/* EXPERIENCE */
#experience { background: var(--navy-mid); }
.timeline { position: relative; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--gold), transparent); }
.timeline-item { padding-left: 2.5rem; padding-bottom: 3rem; position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -5px; top: 0.4rem; width: 12px; height: 12px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px rgba(201,168,76,0.5); }
.timeline-dates { font-family: 'DM Mono', monospace; font-size: 0.8rem; color: var(--gold); margin-bottom: 0.3rem; }
.timeline-role { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 0.15rem; }
.timeline-org { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.8rem; }
.timeline-desc { color: var(--text-dim); font-size: 0.92rem; }
.timeline-desc li { margin-bottom: 0.35rem; }
.timeline-badge { display: inline-block; background: rgba(100,255,218,0.08); border: 1px solid rgba(100,255,218,0.2); color: var(--green); border-radius: 4px; padding: 0.15rem 0.6rem; font-size: 0.72rem; font-weight: 500; margin-left: 0.6rem; vertical-align: middle; }

/* PROJECTS */
#projects { background: var(--navy); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.project-card { background: var(--navy-mid); border: 1px solid rgba(255,255,255,0.07); border-radius: 14px; padding: 2rem; position: relative; overflow: hidden; transition: border-color 0.2s, transform 0.2s; }
.project-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(to right, var(--gold), transparent); opacity: 0; transition: opacity 0.2s; }
.project-card:hover { border-color: var(--gold); transform: translateY(-5px); }
.project-card:hover::before { opacity: 1; }
.project-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.project-title { font-size: 1.15rem; font-weight: 600; color: var(--text); margin-bottom: 0.5rem; }
.project-desc { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 1.2rem; line-height: 1.7; }
.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.stack-tag { font-family: 'DM Mono', monospace; font-size: 0.73rem; color: var(--accent); background: rgba(74,144,196,0.1); border: 1px solid rgba(74,144,196,0.2); border-radius: 3px; padding: 0.2rem 0.5rem; }

/* CERTS */
#certifications { background: var(--navy-mid); }
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cert-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07); border-radius: 10px; padding: 1.5rem; transition: border-color 0.2s, transform 0.2s; }
.cert-card:hover { border-color: rgba(201,168,76,0.5); transform: translateY(-3px); }
.cert-issuer { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.4rem; }
.cert-name { font-size: 0.95rem; font-weight: 500; color: var(--text); margin-bottom: 0.4rem; line-height: 1.4; }
.cert-date { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--text-muted); }

/* CONTACT */
#contact { background: var(--navy); }
.download-bar { background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(74,144,196,0.08)); border: 1px solid var(--border); border-radius: 16px; padding: 2.5rem 3rem; display: flex; align-items: center; justify-content: space-between; margin-bottom: 4rem; flex-wrap: wrap; gap: 1.5rem; }
.download-bar-text h3 { font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; color: var(--text); margin-bottom: 0.3rem; }
.download-bar-text p { color: var(--text-dim); font-size: 0.9rem; }
.download-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-download { display: inline-flex; align-items: center; gap: 0.6rem; background: var(--gold); color: var(--navy); padding: 0.8rem 1.6rem; border-radius: 6px; font-weight: 600; font-size: 0.88rem; text-decoration: none; transition: all 0.2s; font-family: 'DM Sans', sans-serif; white-space: nowrap; }
.btn-download:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(201,168,76,0.3); }
.btn-download-outline { display: inline-flex; align-items: center; gap: 0.6rem; background: transparent; color: var(--gold); padding: 0.8rem 1.6rem; border-radius: 6px; font-weight: 600; font-size: 0.88rem; text-decoration: none; border: 1px solid var(--gold); transition: all 0.2s; font-family: 'DM Sans', sans-serif; white-space: nowrap; }
.btn-download-outline:hover { background: rgba(201,168,76,0.1); }
.contact-inner { max-width: 650px; margin: 0 auto; text-align: center; }
.contact-inner p { color: var(--text-dim); margin-bottom: 2.5rem; font-size: 1.05rem; }
.contact-links { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.contact-link { display: flex; align-items: center; gap: 0.6rem; color: var(--text-dim); text-decoration: none; font-size: 0.9rem; padding: 0.75rem 1.5rem; border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; transition: all 0.2s; }
.contact-link:hover { color: var(--gold); border-color: var(--gold); background: rgba(201,168,76,0.06); }
.contact-link svg { width: 18px; height: 18px; flex-shrink: 0; }

footer { background: var(--navy-mid); border-top: 1px solid var(--border); text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.82rem; }

.reveal { opacity: 0; transform: translateY(30px); transition: all 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media(max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
  #hero { padding: 6rem 1.5rem 3rem; }
  .about-grid, .skills-grid, .projects-grid, .certs-grid { grid-template-columns: 1fr; }
  .download-bar { flex-direction: column; }
}

body { min-height: 100vh; }

.nav-back{display:flex;align-items:center;gap:0.5rem;color:var(--text-dim);text-decoration:none;font-size:0.85rem;font-weight:500;letter-spacing:0.06em;transition:color 0.2s;}
.nav-back:hover{color:var(--gold);}
.nav-back svg{width:16px;height:16px;}

.page-hero{padding:9rem 4rem 3rem;position:relative;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 60% 50% at 80% 30%,rgba(201,168,76,0.07) 0%,transparent 60%),radial-gradient(ellipse 40% 40% at 10% 70%,rgba(74,144,196,0.06) 0%,transparent 50%);}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:0.03;background-image:linear-gradient(var(--text-muted) 1px,transparent 1px),linear-gradient(90deg,var(--text-muted) 1px,transparent 1px);background-size:60px 60px;}
.hero-content{position:relative;z-index:1;max-width:800px;}
.page-tag{display:inline-flex;align-items:center;gap:0.6rem;background:rgba(201,168,76,0.1);border:1px solid var(--border);border-radius:100px;padding:0.35rem 1rem;font-size:0.75rem;color:var(--gold);letter-spacing:0.12em;text-transform:uppercase;margin-bottom:1.5rem;}
.page-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold);}
.page-title{font-family:'Playfair Display',serif;font-size:clamp(2.5rem,5vw,4.5rem);font-weight:900;line-height:1.05;margin-bottom:1rem;}
.page-title span{color:var(--gold);}
.page-sub{color:var(--text-dim);font-size:1.05rem;max-width:520px;line-height:1.7;}
.stats-bar{padding:2rem 4rem;display:flex;gap:3rem;flex-wrap:wrap;border-bottom:1px solid var(--border);}
.stat-n{font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:var(--gold);line-height:1;}
.stat-l{font-size:0.8rem;color:var(--text-muted);margin-top:0.2rem;}
.filter-bar{padding:2rem 4rem 1.5rem;display:flex;gap:0.75rem;flex-wrap:wrap;}
.filter-btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.5rem 1.2rem;border-radius:100px;font-size:0.8rem;font-weight:500;letter-spacing:0.06em;border:1px solid rgba(255,255,255,0.15);background:transparent;color:var(--text-dim);cursor:pointer;transition:all 0.2s;font-family:'DM Sans',sans-serif;}
.filter-btn:hover{border-color:var(--gold);color:var(--gold);}
.filter-btn.active{background:var(--gold);color:var(--navy);border-color:var(--gold);font-weight:600;}
.filter-count{background:rgba(255,255,255,0.15);border-radius:100px;padding:0.05rem 0.45rem;font-size:0.7rem;}
.filter-btn.active .filter-count{background:rgba(10,22,40,0.25);}
.certs-section{padding:1.5rem 4rem 6rem;}
.certs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:2rem;}
.cert-card{background:var(--navy-mid);border:1px solid rgba(255,255,255,0.07);border-radius:16px;overflow:hidden;transition:transform 0.25s,border-color 0.25s,box-shadow 0.25s;cursor:pointer;animation:fadeUp 0.5s ease both;}
.cert-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 20px 50px rgba(0,0,0,0.4);}
.cert-card.hidden{display:none;}
.cert-img-wrap{position:relative;overflow:hidden;background:#fff;aspect-ratio:1.41/1;}
.cert-img-wrap img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block;transition:transform 0.4s ease;}
.cert-card:hover .cert-img-wrap img{transform:scale(1.03);}
.cert-img-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,transparent 50%,rgba(17,34,64,0.85) 100%);opacity:0;transition:opacity 0.3s;display:flex;align-items:flex-end;padding:1.2rem;}
.cert-card:hover .cert-img-overlay{opacity:1;}
.view-hint{display:flex;align-items:center;gap:0.4rem;color:#fff;font-size:0.82rem;font-weight:500;}
.view-hint svg{width:16px;height:16px;}
.cert-body{padding:1.4rem 1.6rem 1.6rem;}
.cert-category{font-size:0.7rem;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--gold);margin-bottom:0.4rem;}
.cert-name{font-size:1rem;font-weight:600;color:var(--text);line-height:1.35;margin-bottom:0.3rem;}
.cert-issuer{font-size:0.85rem;color:var(--text-muted);margin-bottom:0.8rem;}
.cert-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,0.06);padding-top:0.9rem;}
.cert-date{font-family:'DM Mono',monospace;font-size:0.75rem;color:var(--text-muted);display:flex;align-items:center;gap:0.4rem;}
.cert-date svg{width:13px;height:13px;color:var(--gold);}
.cert-badge{font-size:0.7rem;font-weight:600;padding:0.2rem 0.6rem;border-radius:4px;letter-spacing:0.06em;}
.cert-badge.verified{background:rgba(100,255,218,0.1);border:1px solid rgba(100,255,218,0.25);color:var(--green);}
.cert-badge.service{background:rgba(201,168,76,0.1);border:1px solid rgba(201,168,76,0.25);color:var(--gold);}
.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(5,12,25,0.97);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.25s;padding:2rem;}
.lightbox.open{opacity:1;pointer-events:all;}
.lightbox-inner{max-width:900px;width:100%;display:flex;flex-direction:column;gap:1rem;transform:scale(0.94);transition:transform 0.25s;}
.lightbox.open .lightbox-inner{transform:scale(1);}
.lightbox-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;}
.lightbox-meta{flex:1;}
.lightbox-category{font-size:0.72rem;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:0.3rem;}
.lightbox-title{font-family:'Playfair Display',serif;font-size:clamp(1.2rem,2.5vw,1.7rem);font-weight:700;color:var(--text);line-height:1.25;}
.lightbox-issuer{color:var(--text-muted);font-size:0.9rem;margin-top:0.25rem;}
.lightbox-close{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);color:var(--text);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all 0.2s;font-size:1.1rem;font-family:'DM Sans',sans-serif;}
.lightbox-close:hover{background:rgba(201,168,76,0.15);border-color:var(--gold);color:var(--gold);}
.lightbox-img-wrap{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,0.6);max-height:68vh;display:flex;align-items:center;justify-content:center;}
.lightbox-img-wrap img{width:100%;max-height:68vh;object-fit:contain;display:block;}
.lightbox-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0.75rem;}
.lightbox-date{font-family:'DM Mono',monospace;font-size:0.8rem;color:var(--text-muted);display:flex;align-items:center;gap:0.4rem;}
.lightbox-nav{display:flex;gap:0.5rem;}
.lbnav-btn{display:flex;align-items:center;gap:0.4rem;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);color:var(--text-dim);padding:0.5rem 1rem;border-radius:6px;cursor:pointer;font-size:0.82rem;font-weight:500;transition:all 0.2s;font-family:'DM Sans',sans-serif;}
.lbnav-btn:hover{border-color:var(--gold);color:var(--gold);}
.lbnav-btn:disabled{opacity:0.3;cursor:not-allowed;}
.lbnav-btn svg{width:14px;height:14px;}
@media(max-width:768px){
  nav{padding:1rem 1.5rem;}
  .page-hero,.filter-bar,.certs-section,.stats-bar{padding-left:1.5rem;padding-right:1.5rem;}
  .certs-grid{grid-template-columns:1fr;}
  .lightbox{padding:1rem;}
}