/* =========================================================
   Tokens
   ========================================================= */
:root{
  --bg:        #090D12;
  --surface:   #10161E;
  --surface-2: #161E28;
  --border:    rgba(230,238,246,0.08);
  --border-strong: rgba(230,238,246,0.16);

  --text:      #E7ECF2;
  --muted:     #8C99A8;
  --muted-2:   #5C6B7C;

  --cyan:      #47CBEA;
  --violet:    #7B6CFF;
  --green:     #6EE7A8;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body:    "Inter", sans-serif;
  --font-mono:    "JetBrains Mono", monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --max: 1080px;
}

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

html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img{ max-width:100%; display:block; }

::selection{ background:var(--cyan); color:#04121A; }

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* faint fixed circuit grid — signature ambient texture */
.grid-overlay{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(230,238,246,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230,238,246,0.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%);
}

section, header, footer{ position:relative; z-index:1; }

/* =========================================================
   Nav
   ========================================================= */
header{
  border-bottom:1px solid var(--border);
  background:linear-gradient(180deg, rgba(16,22,30,0.6), transparent 140%);
}

nav{
  max-width:var(--max);
  margin:0 auto;
  padding:26px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{
  font-family:var(--font-display);
  font-size:1.35rem;
  font-weight:700;
  letter-spacing:-0.02em;
}
.logo span{ color:var(--cyan); }

nav ul{
  display:flex;
  gap:8px;
}

.nav-link{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  font-size:0.92rem;
  color:var(--muted);
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover, .nav-link.active{
  color:var(--text);
  background:var(--surface-2);
}
.nav-index{
  font-family:var(--font-mono);
  font-size:0.72rem;
  color:var(--cyan);
}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.nav-toggle span{
  width:22px; height:2px; background:var(--text); border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  max-width:var(--max);
  margin:0 auto;
  padding:64px 24px 96px;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:48px;
  align-items:center;
}

.eyebrow{
  font-family:var(--font-mono);
  color:var(--cyan);
  font-size:0.9rem;
  margin-bottom:18px;
}

.presentation h2{
  font-family:var(--font-display);
  font-size:clamp(2rem, 4.4vw, 3.1rem);
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.12;
}

.role{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:clamp(1rem, 2vw, 1.25rem);
  color:var(--muted);
  margin-top:14px;
  min-height:1.6em;
}
.role .cursor{
  color:var(--cyan);
  animation:blink 1s step-end infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.hero-text{
  margin-top:22px;
  color:var(--muted);
  max-width:46ch;
  font-size:1.02rem;
}

.hero-actions{
  display:flex;
  gap:14px;
  margin-top:32px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:0.95rem;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--cyan), var(--violet));
  color:#04121A;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px -10px rgba(71,203,234,0.45);
}
.btn-ghost{
  border:1px solid var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{ background:var(--surface-2); }

.hero-stack{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--muted-2);
}
.hero-stack span{
  padding:6px 12px;
  border:1px solid var(--border);
  border-radius:999px;
}

.photo{ display:flex; justify-content:center; }
.photo-frame{
  position:relative;
  width:min(320px, 80vw);
  aspect-ratio:1/1.05;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border-strong);
  background:
    radial-gradient(circle at 30% 20%, rgba(123,108,255,0.25), transparent 55%),
    radial-gradient(circle at 75% 80%, rgba(71,203,234,0.22), transparent 55%),
    var(--surface);
}
.photo-frame img{
  width:100%; height:100%; object-fit:cover;
}
.photo-frame.img-fallback img{ display:none; }
.photo-frame.img-fallback::before{
  content:"LA";
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display);
  font-size:4rem; font-weight:700;
  color:var(--muted-2);
}
.frame-tag{
  position:absolute; bottom:14px; left:14px;
  font-family:var(--font-mono);
  font-size:0.78rem;
  background:rgba(9,13,18,0.75);
  border:1px solid var(--border-strong);
  padding:5px 12px;
  border-radius:999px;
  backdrop-filter:blur(6px);
}

/* =========================================================
   Sections (shared)
   ========================================================= */
main{ max-width:var(--max); margin:0 auto; padding:0 24px; }

section{ padding:88px 0; border-top:1px solid var(--border); }
section:first-of-type{ border-top:none; }

.section-eyebrow{
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--cyan);
  margin-bottom:10px;
}

section h2{
  font-family:var(--font-display);
  font-size:clamp(1.7rem, 3vw, 2.3rem);
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:22px;
}

.section-lead{
  font-size:1.08rem;
  color:var(--text);
  margin-bottom:12px;
}

#profil p{ max-width:68ch; color:var(--muted); }
#profil p.section-lead{ color:var(--text); }

/* reveal-on-scroll */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in-view{ opacity:1; transform:none; }

/* =========================================================
   Timeline (Formation) — styled like a commit log
   ========================================================= */
.timeline{
  position:relative;
  padding-left:28px;
  display:flex;
  flex-direction:column;
  gap:28px;
}
.timeline::before{
  content:"";
  position:absolute; left:5px; top:6px; bottom:6px;
  width:1px;
  background:linear-gradient(var(--cyan), var(--border) 80%);
}
.timeline-card{ position:relative; }
.commit-dot{
  position:absolute; left:-28px; top:6px;
  width:11px; height:11px; border-radius:50%;
  background:var(--bg);
  border:2px solid var(--cyan);
}
.card-body{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:26px 28px;
}
.card-body h3{
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:600;
}
.card-body h4{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:0.85rem;
  color:var(--cyan);
  margin-top:4px;
  margin-bottom:12px;
}
.card-body p{ color:var(--muted); max-width:62ch; }

.tag-list{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-list li{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--muted);
  border:1px solid var(--border);
  padding:5px 12px;
  border-radius:999px;
}

/* =========================================================
   Skills
   ========================================================= */
.skills{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:18px;
}
.skill-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px;
  transition:border-color .2s ease, transform .2s ease;
}
.skill-card:hover{
  border-color:var(--border-strong);
  transform:translateY(-3px);
}
.skill-card h3{
  font-family:var(--font-display);
  font-size:1rem;
  margin-bottom:16px;
  color:var(--text);
}

.pill-group{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--text);
  background:var(--surface-2);
  border:1px solid var(--border);
  padding:6px 12px;
  border-radius:999px;
}

/* =========================================================
   Certificates
   ========================================================= */
.certificates{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
  gap:20px;
}
.cert-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.cert-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  box-shadow:0 16px 32px -18px rgba(0,0,0,0.55);
}
.cert-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:6px;
}
.cert-icon{
  font-size:1.4rem;
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  background:var(--surface-2);
  border:1px solid var(--border);
}
.cert-date{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--cyan);
}
.cert-card h3{
  font-family:var(--font-display);
  font-size:1.05rem;
  font-weight:600;
}
.cert-card h4{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:0.82rem;
  color:var(--muted-2);
}
.cert-card p{
  color:var(--muted);
  font-size:0.92rem;
  margin-bottom:4px;
}

/* =========================================================
   Projects
   ========================================================= */
.projects{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:24px;
}
.project-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.project-card:hover{
  transform:translateY(-6px);
  border-color:var(--border-strong);
  box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);
}
.project-media{
  aspect-ratio:16/10;
  background:var(--surface-2);
  position:relative;
}
.project-media img{ width:100%; height:100%; object-fit:cover; }
.project-media.img-fallback{
  display:flex; align-items:center; justify-content:center;
}
.project-media.img-fallback img{ display:none; }
.project-media.img-fallback::before{
  content:"</>";
  font-family:var(--font-mono);
  font-size:1.6rem;
  color:var(--muted-2);
}
.project-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.project-body h3{
  font-family:var(--font-display);
  font-size:1.1rem;
  font-weight:600;
}
.project-body p{ color:var(--muted); font-size:0.95rem; }
.project-link{
  margin-top:auto;
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--cyan);
  width:fit-content;
}
.project-link:hover{ text-decoration:underline; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
  margin-bottom:34px;
}
.contact-item{
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:18px 20px;
  transition:border-color .2s ease, transform .2s ease;
}
.contact-item:hover{
  border-color:var(--cyan);
  transform:translateY(-2px);
}
.contact-icon{ font-size:1.2rem; }

footer{
  border-top:1px solid var(--border);
  padding:28px 24px;
  text-align:center;
  color:var(--muted-2);
  font-family:var(--font-mono);
  font-size:0.82rem;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:860px){
  .hero{ grid-template-columns:1fr; padding-top:40px; }
  .photo{ order:-1; }
}

@media (max-width:720px){
  .nav-toggle{ display:flex; }
  nav ul{
    position:fixed;
    inset:74px 16px auto 16px;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--border-strong);
    border-radius:var(--radius-md);
    padding:10px;
    gap:4px;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:transform .2s ease, opacity .2s ease;
    z-index:20;
  }
  nav ul.open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .nav-link{ width:100%; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; opacity:1; transform:none; }
  .role .cursor{ animation:none; }
}