/* ============================================================
   Abdoul Rachid Ouedraogo — portfolio
   Dark technical, NVIDIA-green to water-teal.
   ============================================================ */

:root{
  --bg:        #0a0e13;
  --bg-2:      #0d131a;
  --surface:   #111a22;
  --surface-2: #16212b;
  --border:    rgba(255,255,255,.08);
  --border-2:  rgba(255,255,255,.14);
  --text:      #e8eef3;
  --muted:     #93a4b3;
  --faint:     #61727f;

  --green:  #84cc16;
  --green-2:#a3e635;
  --teal:   #2dd4bf;
  --teal-2: #5eead4;
  --grad:   linear-gradient(100deg, var(--green) 0%, var(--teal) 100%);

  --max: 1180px;
  --r: 16px;
  --r-sm: 10px;

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; scroll-padding-top:80px; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{ background:rgba(45,212,191,.28); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
code{ font-family:var(--f-mono); font-size:.86em; color:var(--teal-2);
  background:rgba(45,212,191,.08); padding:.08em .35em; border-radius:5px; }
.muted{ color:var(--muted); }

.grad{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--green-2); display:inline-block;
  box-shadow:0 0 10px var(--green-2); animation:pulse 2.4s infinite;
}
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:.35} }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--f-display); font-weight:600; font-size:.95rem;
  padding:.72rem 1.35rem; border-radius:999px; cursor:pointer;
  border:1px solid transparent; transition:transform .18s ease, box-shadow .25s ease, background .2s, border-color .2s;
  white-space:nowrap;
}
.btn--primary{ background:var(--grad); color:#05140f; box-shadow:0 6px 24px -8px rgba(45,212,191,.55); }
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 12px 34px -8px rgba(132,204,22,.6); }
.btn--ghost{ border-color:var(--border-2); color:var(--text); background:rgba(255,255,255,.02); }
.btn--ghost:hover{ border-color:var(--teal); color:var(--teal-2); transform:translateY(-2px); }

.kicker{
  font-family:var(--f-mono); font-size:.78rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--teal); display:inline-block; margin-bottom:1rem;
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; gap:1.4rem;
  padding:.9rem clamp(1rem,4vw,2.4rem);
  background:rgba(10,14,19,.6); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:border-color .3s, background .3s;
}
.nav.scrolled{ border-bottom-color:var(--border); background:rgba(10,14,19,.82); }
.nav__brand{ display:flex; align-items:center; gap:.7rem; margin-right:auto; }
.nav__mark{
  font-family:var(--f-display); font-weight:700; font-size:.95rem;
  width:38px; height:38px; display:grid; place-items:center; border-radius:10px;
  background:var(--grad); color:#05140f; letter-spacing:.02em;
}
.nav__name{ font-family:var(--f-display); font-weight:600; font-size:.98rem; }
.nav__name .muted{ font-weight:400; }
.nav__links{ display:flex; gap:1.6rem; }
.nav__links a{ font-size:.93rem; color:var(--muted); position:relative; transition:color .2s; }
.nav__links a:hover, .nav__links a.active{ color:var(--text); }
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0;
  background:var(--grad); transition:width .25s ease;
}
.nav__links a:hover::after, .nav__links a.active::after{ width:100%; }
.nav__cv{ padding:.5rem 1rem; font-size:.88rem; }
.nav__toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px; }
.nav__toggle span{ width:24px; height:2px; background:var(--text); transition:.25s; border-radius:2px; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ position:relative; padding:10rem clamp(1rem,4vw,2.4rem) 0; overflow:hidden; }
.hero::before{ content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:radial-gradient(58% 46% at 50% 16%, rgba(45,212,191,.12), transparent 70%); }
.hero::after{ content:""; position:absolute; inset:0; z-index:0; pointer-events:none; opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(60% 50% at 50% 12%, #000, transparent 72%); }

.hero__inner{
  position:relative; z-index:2; max-width:var(--max); margin:0 auto;
  display:grid; grid-template-columns:1.35fr .9fr; gap:clamp(2rem,5vw,4rem); align-items:center;
}
.hero__inner--center{ grid-template-columns:1fr; max-width:900px; text-align:center; }
.hero__inner--center .hero__lede{ max-width:62ch; margin-left:auto; margin-right:auto; }
.hero__inner--center .hero__cta{ justify-content:center; }
.hero__inner--center .hero__stack{ justify-content:center; }
.hero__inner--center .hero__title{ font-size:clamp(2.4rem,6.2vw,4.7rem); }
.hero__title .amp{ color:var(--faint); font-weight:400; }
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--f-mono); font-size:.8rem; color:var(--muted);
  border:1px solid var(--border); border-radius:999px; padding:.4rem .9rem; margin-bottom:1.6rem;
  background:rgba(255,255,255,.02);
}
.hero__title{
  font-family:var(--f-display); font-weight:700; line-height:1.02;
  font-size:clamp(2.8rem,7vw,5.4rem); letter-spacing:-.02em; margin-bottom:1.3rem;
}
.hero__lede{ font-size:clamp(1.02rem,1.6vw,1.22rem); color:var(--muted); max-width:36ch; margin-bottom:2rem; }
.hero__lede strong{ color:var(--text); font-weight:600; }
.hero__cta{ display:flex; flex-wrap:wrap; gap:.8rem; margin-bottom:2rem; }
.hero__stack{ list-style:none; display:flex; flex-wrap:wrap; gap:.5rem; }
.hero__stack li{
  font-family:var(--f-mono); font-size:.78rem; color:var(--muted);
  border:1px solid var(--border); border-radius:7px; padding:.28rem .6rem;
}

/* portrait + metric-strip styles removed (no longer in the markup) */

/* ============================================================
   SECTIONS
   ============================================================ */
.section{ max-width:var(--max); margin:0 auto; padding:clamp(5rem,10vw,8rem) clamp(1rem,4vw,2.4rem) 0; }
.section__head{ max-width:760px; margin-bottom:3rem; }
.section__head h2, .about h2, .contact h2{
  font-family:var(--f-display); font-weight:700; letter-spacing:-.02em; line-height:1.1;
  font-size:clamp(1.7rem,3.6vw,2.6rem);
}

/* capabilities */
.cap-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; }
.cap{
  background:linear-gradient(180deg, var(--surface), var(--bg-2));
  border:1px solid var(--border); border-radius:var(--r); padding:2rem 1.7rem;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cap:hover{ transform:translateY(-5px); border-color:var(--border-2);
  box-shadow:0 24px 50px -30px rgba(45,212,191,.5); }
.cap__icon{ font-size:1.7rem; width:52px; height:52px; display:grid; place-items:center;
  border-radius:13px; background:rgba(45,212,191,.1); color:var(--teal-2); margin-bottom:1.2rem; }
.cap h3{ font-family:var(--f-display); font-size:1.22rem; margin-bottom:.7rem; }
.cap p{ color:var(--muted); font-size:.95rem; margin-bottom:1.2rem; }
.cap p strong{ color:var(--text); }
.cap__tags{ display:flex; flex-wrap:wrap; gap:.4rem; }
.cap__tags span{ font-family:var(--f-mono); font-size:.72rem; color:var(--faint);
  border:1px solid var(--border); border-radius:6px; padding:.22rem .5rem; }

/* projects */
.project{
  display:grid; grid-template-columns:1.05fr 1fr; gap:clamp(1.5rem,4vw,3.2rem);
  align-items:center; padding:2.2rem 0; border-top:1px solid var(--border);
}
.project:first-of-type{ border-top:0; }
.project--rev .project__media{ order:2; }
.project__media{
  border-radius:var(--r); overflow:hidden; border:1px solid var(--border);
  background:var(--surface-2); position:relative;
}
.project__media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.project:hover .project__media img{ transform:scale(1.03); }

.project__top{ display:flex; flex-wrap:wrap; align-items:center; gap:.7rem; margin-bottom:.9rem; }
.project__flag{ font-family:var(--f-mono); font-size:.72rem; font-weight:500; padding:.28rem .6rem;
  border-radius:7px; }
.flag--green{ color:var(--green-2); background:rgba(132,204,22,.12); border:1px solid rgba(132,204,22,.28); }
.flag--teal{ color:var(--teal-2); background:rgba(45,212,191,.12); border:1px solid rgba(45,212,191,.28); }
.project__lang{ font-family:var(--f-mono); font-size:.74rem; color:var(--faint); }
.project h3{ font-family:var(--f-display); font-size:clamp(1.5rem,3vw,2rem); margin-bottom:.7rem; }
.project__body > p{ color:var(--muted); font-size:.96rem; margin-bottom:1.2rem; }
.project__body p strong{ color:var(--text); }
.project__points{ list-style:none; margin-bottom:1.4rem; display:grid; gap:.55rem; }
.project__points li{ position:relative; padding-left:1.5rem; font-size:.93rem; color:var(--muted); }
.project__points li::before{ content:"▹"; position:absolute; left:0; color:var(--teal); }
.project__points strong{ color:var(--text); }
.project__links{ display:flex; flex-wrap:wrap; gap:1.3rem; }
.project__links a{ font-family:var(--f-display); font-weight:600; font-size:.92rem; color:var(--teal-2);
  transition:color .2s, gap .2s; }
.project__links a:hover{ color:var(--green-2); }

/* install snippet (paper-agent plugin) */
.install{ display:grid; gap:.4rem; margin-bottom:1.4rem; }
.install__label{ font-family:var(--f-mono); font-size:.7rem; letter-spacing:.06em;
  text-transform:uppercase; color:var(--faint); }
.install code{ font-family:var(--f-mono); font-size:.8rem; color:var(--teal-2);
  background:rgba(45,212,191,.07); border:1px solid var(--border-2); border-radius:6px;
  padding:.4rem .65rem; display:block; overflow-x:auto; }

/* architecture-as-art (Agronaut) */
.project__media--diagram{ background:radial-gradient(120% 120% at 50% 0%, var(--surface), var(--bg)); padding:1.8rem; display:flex; }
.arch{ font-family:var(--f-mono); width:100%; display:flex; flex-direction:column; gap:.7rem; align-self:center; }
.arch__row{ display:flex; align-items:center; gap:.6rem; justify-content:center; flex-wrap:wrap; }
.arch__node{ font-size:.74rem; text-align:center; line-height:1.4; padding:.55rem .8rem;
  border:1px solid var(--border-2); border-radius:9px; background:var(--surface); color:var(--muted); }
.arch__node em{ color:var(--faint); font-style:normal; font-size:.66rem; display:block; }
.arch__node--accent{ border-color:rgba(45,212,191,.4); color:var(--teal-2); }
.arch__arrow{ color:var(--faint); }
.arch__gate{ text-align:center; font-size:.66rem; color:var(--green-2); letter-spacing:.04em; }
.arch__trust{ border:1px dashed rgba(132,204,22,.45); border-radius:11px; padding:.9rem; text-align:center;
  background:rgba(132,204,22,.05); }
.arch__trustlabel{ font-size:.64rem; letter-spacing:.12em; color:var(--green-2); display:block; margin-bottom:.6rem; }
.arch__pills{ display:flex; flex-wrap:wrap; gap:.4rem; justify-content:center; }
.arch__pills span{ font-size:.7rem; color:var(--text); background:var(--surface-2);
  border:1px solid var(--border); border-radius:6px; padding:.25rem .5rem; }
.arch__out{ text-align:center; font-size:.68rem; color:var(--muted); line-height:1.5; }

/* terminal-style card (paper-agent) */
.project__media--term{ background:radial-gradient(120% 120% at 50% 0%, var(--surface), var(--bg)); padding:1.6rem; display:flex; align-items:center; }
.term{ width:100%; border:1px solid var(--border-2); border-radius:12px; overflow:hidden;
  background:#0b1116; box-shadow:0 16px 40px -24px rgba(0,0,0,.85); }
.term__bar{ display:flex; align-items:center; gap:7px; padding:.6rem .9rem;
  background:rgba(255,255,255,.04); border-bottom:1px solid var(--border); }
.term__bar span{ width:11px; height:11px; border-radius:50%; background:#33414d; }
.term__bar span:nth-child(1){ background:#ff5f57; }
.term__bar span:nth-child(2){ background:#febc2e; }
.term__bar span:nth-child(3){ background:#28c840; }
.term__bar em{ font-family:var(--f-mono); font-size:.74rem; color:var(--faint); font-style:normal; margin-left:.5rem; }
.term__body{ font-family:var(--f-mono); font-size:clamp(.72rem,1.5vw,.82rem); line-height:1.75;
  color:var(--muted); padding:1.2rem 1.1rem; white-space:pre-wrap; margin:0; }
.term__body .c{ color:var(--teal-2); }
.term__body .ok{ color:var(--green-2); }
.term__body .arrow{ color:var(--teal); }
.term__body .hl{ color:var(--text); }

/* ============================================================
   ABOUT
   ============================================================ */
.about{ display:grid; grid-template-columns:1fr 1.35fr; gap:clamp(2rem,5vw,4rem); align-items:start; }
.about__bio p{ color:var(--muted); margin-bottom:1.1rem; }
.about__bio p strong{ color:var(--text); }
.about__open{ border-left:2px solid var(--teal); padding-left:1rem; }
.about__chips{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.6rem; }
.chip{ font-family:var(--f-mono); font-size:.82rem; color:var(--text);
  border:1px solid var(--border-2); border-radius:999px; padding:.45rem .95rem; transition:.2s; }
.chip:hover{ border-color:var(--teal); color:var(--teal-2); transform:translateY(-2px); }

.about__rail{ column-count:2; column-gap:1.2rem; }
.rail__block{ background:var(--surface); border:1px solid var(--border); border-radius:var(--r); padding:1.5rem; margin-bottom:1.2rem; break-inside:avoid; }
.rail__block h4{ font-family:var(--f-mono); font-size:.76rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal); margin-bottom:1.1rem; }
.timeline{ list-style:none; display:grid; gap:1.1rem; }
.timeline li{ display:grid; gap:.15rem; }
.t-year{ font-family:var(--f-mono); font-size:.74rem; color:var(--faint); }
.t-main{ font-weight:600; font-size:.95rem; }
.t-sub{ font-size:.85rem; color:var(--muted); }
.pubs{ list-style:none; display:grid; gap:1rem; }
.pubs li{ font-size:.88rem; color:var(--muted); line-height:1.55; padding-left:1.1rem; position:relative; }
.pubs li::before{ content:"§"; position:absolute; left:0; color:var(--teal); }
.pubs em{ color:var(--text); font-style:italic; }
.rail__more{ display:inline-block; margin-top:1rem; font-family:var(--f-mono); font-size:.8rem; color:var(--teal-2); border-bottom:1px solid transparent; transition:border-color .2s; }
.rail__more:hover{ border-color:var(--teal-2); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact{ max-width:var(--max); margin:clamp(5rem,10vw,8rem) auto 0; padding:0 clamp(1rem,4vw,2.4rem) 3rem; }
.contact__inner{
  text-align:center; padding:clamp(3rem,7vw,5.5rem) 1.5rem;
  border:1px solid var(--border); border-radius:24px;
  background:radial-gradient(120% 140% at 50% 0%, rgba(45,212,191,.08), transparent 60%), var(--bg-2);
}
.contact__inner p{ color:var(--muted); margin:1rem auto 2rem; max-width:48ch; }
.contact__links{ display:flex; flex-wrap:wrap; gap:.8rem; justify-content:center; }
.foot{ max-width:var(--max); margin:2.5rem auto 0; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:.6rem; font-size:.83rem; color:var(--faint);
  border-top:1px solid var(--border); padding:1.6rem clamp(1rem,4vw,2.4rem); }

/* ============================================================
   SKILLS / TOOLBOX
   ============================================================ */
.skills{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--border); border:1px solid var(--border); border-radius:var(--r); overflow:hidden; }
.skill-group{ background:var(--bg-2); padding:1.5rem 1.6rem; }
.skill-group--wide{ grid-column:1 / -1; }
.skill-group h4{ font-family:var(--f-mono); font-size:.74rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--teal); margin-bottom:1.05rem; }
.skill-tags{ display:flex; flex-wrap:wrap; gap:.5rem; }
.skill-tags span{ font-family:var(--f-mono); font-size:.8rem; color:var(--text);
  border:1px solid var(--border-2); border-radius:8px; padding:.34rem .7rem;
  background:rgba(255,255,255,.02); transition:border-color .2s, color .2s; }
.skill-tags span:hover{ border-color:var(--teal); color:var(--teal-2); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .hero__inner{ grid-template-columns:1fr; gap:2.5rem; }
  .skills{ grid-template-columns:1fr; }
  .skill-group--wide{ grid-column:auto; }
  .cap-grid{ grid-template-columns:1fr; }
  .project, .about{ grid-template-columns:1fr; }
  .about__rail{ column-count:1; }
  .project--rev .project__media{ order:0; }
  .nav__links, .nav__cv{ display:none; }
  .nav__toggle{ display:flex; }
  .nav.open .nav__links{
    display:flex; flex-direction:column; gap:1.4rem; position:absolute; top:100%; left:0; right:0;
    height:100vh; background:rgba(10,14,19,.98); backdrop-filter:blur(8px);
    border-top:1px solid var(--border); padding:1.6rem clamp(1rem,4vw,2.4rem);
  }
  .nav.open .nav__toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav.open .nav__toggle span:nth-child(2){ opacity:0; }
  .nav.open .nav__toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}
@media (max-width:480px){
  .hero{ padding-top:7.5rem; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
}