/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  --navy:   #050d1f;
  --navy2:  #091428;
  --navy3:  #0d1e38;
  --gold:   #c9a84c;
  --gold2:  #e8c97a;
  --gold3:  #f5e0a0;
  --teal:   #1fd4c0;
  --red:    #e8534a;
  --text:   #d4dff5;
  --muted:  #7a8db0;
  --border: rgba(201,168,76,0.18);
  --glass:  rgba(13,30,56,0.7);
  --radius: 14px;
  --glow:   0 0 40px rgba(201,168,76,0.12);
  --arch-bg: #050d1f;
  --arch-card: #0d1e38;
  --arch-stroke: rgba(255,255,255,0.08);
}
body.light-mode {
  --navy:   #f0f4ff;
  --navy2:  #e2e8f8;
  --navy3:  #c8d3ee;
  --text:   #0f172a;
  --muted:  #4a5568;
  --border: rgba(99,102,241,0.2);
  --glass:  rgba(255,255,255,0.9);
  --glow:   0 0 40px rgba(201,168,76,0.08);
  --arch-bg: #f8faff;
  --arch-card: #ffffff;
  --arch-stroke: rgba(0,0,0,0.1);
}
/* explicit light mode overrides for elements with hardcoded or tricky colors */
body.light-mode .proj-title{color:#0f172a !important;}
body.light-mode .proj-card{background:rgba(255,255,255,0.95);box-shadow:0 4px 20px rgba(0,0,0,0.08);}
body.light-mode .skill-card{background:rgba(255,255,255,0.95);box-shadow:0 4px 20px rgba(0,0,0,0.07);}
body.light-mode .skill-tag{background:rgba(201,168,76,0.1);color:#8a6820;border-color:rgba(201,168,76,0.3);}
body.light-mode .skill-title{color:var(--gold);}
body.light-mode .tl-card{background:rgba(255,255,255,0.95);}
body.light-mode .tl-role{color:#0f172a;}
body.light-mode .tl-bullets li{color:#4a5568;}
body.light-mode .proj-bullets li{color:#4a5568;}
body.light-mode .hero-card{background:rgba(255,255,255,0.9);}
body.light-mode .stat-box{background:rgba(240,244,255,0.8);border-color:rgba(99,102,241,0.15);}
body.light-mode .cert-card{background:rgba(255,255,255,0.95);}
body.light-mode .arch-container{background:rgba(255,255,255,0.95);}
body.light-mode header{background:rgba(240,244,255,0.92);}
body.light-mode .section-title{color:#0f172a;}
body.light-mode h3{color:var(--gold);}
body,body *{transition:background-color .35s ease,color .35s ease,border-color .35s ease,box-shadow .35s ease;}

/* ── RESET ───────────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  background-color: var(--navy);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,168,76,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(31,212,192,0.04) 0%, transparent 60%);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}
body.light-mode{
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,168,76,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(31,212,192,0.03) 0%, transparent 60%);
}

/* star field — hide in light mode */
body::before{
  content:'';
  position:fixed;inset:0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 20%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 55%, rgba(255,255,255,0.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.2) 0%, transparent 100%);
  pointer-events:none;z-index:0;opacity:1;transition:opacity .35s;
}
body.light-mode::before{opacity:0;}

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--navy2);}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:4px;}

/* ── NAV ─────────────────────────────────────────────────── */
header{
  position:fixed;top:0;left:0;right:0;
  z-index:1000;
  backdrop-filter:blur(18px);
  background:rgba(5,13,31,0.85);
  border-bottom:1px solid var(--border);
  padding:0 6%;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-family:'Syne',sans-serif;
  font-weight:800;font-size:20px;
  background:linear-gradient(90deg,var(--gold),var(--gold3));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:-0.5px;
}
nav{display:flex;align-items:center;gap:6px;}
nav a{
  text-decoration:none;color:var(--muted);
  font-family:'DM Mono',monospace;font-size:12.5px;
  padding:6px 12px;border-radius:6px;
  transition:all .25s;
}
nav a:hover{color:var(--gold);background:rgba(201,168,76,0.08);}
.nav-cta{
  background:linear-gradient(135deg,var(--gold),#a87830);
  color:#0a0a0a !important;
  font-weight:600;
  padding:7px 16px !important;
  border-radius:7px;
  margin-left:8px;
}
.nav-cta:hover{opacity:.85;background:linear-gradient(135deg,var(--gold),#a87830)!important;}

/* Theme toggle button */
#theme-toggle{
  background:none;
  border:1px solid var(--border);
  border-radius:8px;
  padding:6px 10px;
  cursor:pointer;
  color:var(--text);
  font-size:16px;
  transition:.3s;
}
#theme-toggle:hover{
  background:rgba(201,168,76,0.08);
  border-color:rgba(201,168,76,0.4);
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero{
  min-height:100vh;
  display:flex;align-items:center;
  padding:100px 6% 60px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:60px;align-items:center;
  max-width:1100px;margin:auto;
  width:100%;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,168,76,0.1);
  border:1px solid rgba(201,168,76,0.3);
  border-radius:40px;padding:6px 16px;
  font-family:'DM Mono',monospace;font-size:12px;
  color:var(--gold2);margin-bottom:20px;
}
.hero-badge span{
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 8px var(--teal);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.4);}}

.hero h1{
  font-family:'Syne',sans-serif;
  font-size:clamp(34px,5vw,56px);
  font-weight:800;line-height:1.1;
  margin-bottom:10px;
  letter-spacing:-1.5px;
}
.hero h1 span{
  background:linear-gradient(100deg,var(--gold),var(--gold3),var(--teal));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-typewriter{
  font-family:'DM Mono',monospace;
  font-size:16px;color:var(--teal);
  margin-bottom:20px;
  min-height:28px;
}
.cursor{
  display:inline-block;width:2px;height:1.1em;
  background:var(--teal);
  vertical-align:middle;
  animation:blink .75s step-end infinite;
}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:0;}}
.hero p{color:var(--muted);font-size:16px;max-width:460px;margin-bottom:30px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary{
  background:linear-gradient(135deg,var(--gold),#a07828);
  color:#080808;font-weight:700;
  padding:13px 28px;border-radius:9px;
  text-decoration:none;font-size:14px;
  transition:.3s;border:none;cursor:pointer;
  font-family:'Syne',sans-serif;
  letter-spacing:.3px;
}
.btn-primary:hover{opacity:.85;transform:translateY(-1px);}
.btn-outline{
  background:none;
  color:var(--gold);font-weight:700;
  padding:13px 28px;border-radius:9px;
  text-decoration:none;font-size:14px;
  transition:.3s;border:1px solid var(--gold);cursor:pointer;
  font-family:'Syne',sans-serif;
  letter-spacing:.3px;
}
.btn-outline:hover{background:var(--gold);color:#080808;}

.hero-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  backdrop-filter:blur(20px);
}
.stat-row{display:flex;gap:12px;margin-bottom:20px;}
.stat-box{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:8px;padding:16px;
  flex:1;text-align:center;
}
.stat-num{
  font-family:'Syne',sans-serif;
  font-size:24px;font-weight:800;
  color:var(--gold);margin-bottom:4px;
}
.stat-label{
  font-size:11px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1px;
}
.hero-tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  background:rgba(201,168,76,0.1);
  color:var(--gold2);
  border:1px solid rgba(201,168,76,0.3);
  border-radius:20px;padding:4px 11px;
  font-family:'DM Mono',monospace;font-size:12px;
}

/* ── SECTION COMMON ──────────────────────────────────────── */
.section{padding:100px 6%;max-width:1200px;margin:auto;}
.section-label{
  font-family:'DM Mono',monospace;font-size:12px;
  color:var(--gold);letter-spacing:3px;text-transform:uppercase;
  margin-bottom:12px;
  display:flex;align-items:center;gap:10px;
}
.section-label::after{
  content:'';flex:1;max-width:60px;height:1px;background:var(--gold);opacity:.4;
}
.section-title{
  font-family:'Syne',sans-serif;
  font-size:clamp(26px,4vw,40px);
  font-weight:800;letter-spacing:-1px;
  margin-bottom:48px;line-height:1.15;
}
.section-title em{
  font-style:normal;
  background:linear-gradient(90deg,var(--gold),var(--gold3));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* ── SKILLS ──────────────────────────────────────────────── */
.skills-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.skill-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  transition:.3s;
  position:relative;overflow:hidden;
}
.skill-card:hover{transform:translateY(-4px);border-color:rgba(201,168,76,0.4);box-shadow:var(--glow);}
.skill-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(201,168,76,0.04),transparent);
  pointer-events:none;
}
.skill-icon{
  font-size:32px;margin-bottom:16px;
}
.skill-title{
  font-family:'Syne',sans-serif;
  font-size:18px;font-weight:700;
  color:var(--gold);margin-bottom:16px;
}
.skill-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;}
.skill-tag{
  background:rgba(201,168,76,0.1);
  color:var(--gold2);
  border:1px solid rgba(201,168,76,0.3);
  border-radius:20px;padding:3px 8px;
  font-family:'DM Mono',monospace;font-size:11px;
}
.skill-bar-wrap{margin-top:auto;}
.skill-bar-row{display:flex;justify-content:space-between;margin-bottom:8px;}
.skill-bar-label{display:flex;justify-content:space-between;width:100%;font-size:12px;color:var(--muted);}
.skill-bar-bg{
  width:100%;height:4px;background:rgba(255,255,255,0.1);
  border-radius:2px;overflow:hidden;margin-top:6px;
}
.skill-bar-fill{
  height:100%;background:linear-gradient(90deg,var(--gold),var(--gold3));
  border-radius:2px;
  width: var(--w, 0);
  transition: width 1s ease;
}

/* ── TIMELINE ────────────────────────────────────────────── */
.timeline{position:relative;padding-left:40px;}
.tl-item{position:relative;margin-bottom:40px;}
.tl-dot{
  position:absolute;left:-22px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:var(--gold);
  border:3px solid var(--navy);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  backdrop-filter:blur(20px);
}
.tl-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;}
.tl-role{
  font-family:'Syne',sans-serif;
  font-size:18px;font-weight:700;
  color:var(--gold);
}
.tl-date{
  font-family:'DM Mono',monospace;
  font-size:12px;color:var(--muted);
}
.tl-company{
  font-size:14px;color:var(--muted);
  margin-bottom:16px;
}
.tl-bullets li{
  color:var(--text);
  margin-bottom:8px;
  position:relative;padding-left:16px;
}
.tl-bullets li::before{
  content:'•';
  position:absolute;left:0;
  color:var(--gold);
}

/* ── PROJECTS ────────────────────────────────────────────── */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;}
.proj-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  transition:.3s;
  backdrop-filter:blur(20px);
}
.proj-card:hover{transform:translateY(-4px);border-color:rgba(201,168,76,0.4);box-shadow:var(--glow);}
.proj-icon{font-size:24px;margin-bottom:16px;}
.proj-title{
  font-family:'Syne',sans-serif;
  font-size:18px;font-weight:700;
  color:var(--gold);margin-bottom:16px;
}
.proj-bullets li{
  color:var(--text);
  margin-bottom:8px;
  position:relative;padding-left:16px;
}
.proj-bullets li::before{
  content:'•';
  position:absolute;left:0;
  color:var(--gold);
}
.proj-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:20px;}
.proj-tag{
  background:rgba(201,168,76,0.1);
  color:var(--gold2);
  border:1px solid rgba(201,168,76,0.3);
  border-radius:20px;padding:3px 8px;
  font-family:'DM Mono',monospace;font-size:11px;
}

/* ── CONTACT ─────────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:800px;margin:auto;}
.contact-info p{color:var(--muted);margin-bottom:24px;}
.contact-links{display:flex;flex-direction:column;gap:12px;}
.contact-link{
  color:var(--text);
  text-decoration:none;
  font-family:'DM Mono',monospace;
  font-size:14px;
  transition:.3s;
}
.contact-link:hover{color:var(--gold);}
.contact-form{max-width:400px;}
.form-group{margin-bottom:16px;}
.form-group input,
.form-group textarea{
  width:100%;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:8px;
  padding:12px 16px;
  color:var(--text);
  font-family:'DM Sans',sans-serif;
  font-size:14px;
  transition:.3s;
}
.form-group input:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(201,168,76,0.2);
}
.form-group textarea{resize:vertical;min-height:120px;}

/* ── CERTIFICATIONS ─────────────────────────────────────── */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.cert-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  text-align:center;
  transition:.3s;
  backdrop-filter:blur(20px);
}
.cert-card:hover{transform:translateY(-4px);border-color:rgba(201,168,76,0.4);box-shadow:var(--glow);}
.cert-icon{font-size:32px;margin-bottom:16px;}
.cert-title{
  font-family:'Syne',sans-serif;
  font-size:16px;font-weight:600;
  color:var(--gold);margin-bottom:8px;
}
.cert-code{
  color:var(--muted);
  font-family:'DM Mono',monospace;
  font-size:12px;
}

/* ── REVEAL ANIMATION ────────────────────────────────────── */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:all .6s ease;
}
.reveal.revealed{
  opacity:1;
  transform:translateY(0);
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-grid{grid-template-columns:1fr;gap:40px;text-align:center;}
  .hero h1{font-size:clamp(28px,8vw,42px);}
  .stat-row{flex-direction:column;gap:8px;}
  .contact-grid{grid-template-columns:1fr;gap:40px;}
  .timeline{padding-left:20px;}
  .tl-dot{left:-17px;}
  .skills-wrap{grid-template-columns:1fr;}
  .projects-grid{grid-template-columns:1fr;}
  nav a{display:none;}
  .nav-cta{display:none;}
  #theme-toggle{margin-left:auto;}
  header{padding:0 4%;}
  .section{padding:80px 4%;}
}