/* =========================
   NASSIMA ARJI — PORTFOLIO V1
   Noir / blanc / éditorial
   ========================= */

:root{
  --bg:#f7f6f2;
  --paper:#fbfaf7;
  --ink:#111111;
  --muted:#66645f;
  --line:#d8d6cf;
  --soft:#eceae4;
  --max:1400px;
  --serif:"Playfair Display", Georgia, serif;
  --sans:"DM Sans", Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{max-width:100%;display:block}

::selection{background:#111;color:#fff}

.section-shell{
  width:min(calc(100% - 72px), var(--max));
  margin-inline:auto;
}

/* =========================
   HEADER EDITORIAL
   ========================= */

.site-header{
  width:min(calc(100% - 90px), 1680px);
  margin:0 auto;
  height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
  z-index:20;
}

.header-left{
  display:flex;
  align-items:center;
  gap:58px;
}

.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  color:#111;
  text-decoration:none;
}

.symbol-star{
  font-size:22px;
  line-height:1;
  display:inline-block;
  transition:transform .45s ease, opacity .3s ease;
}

.brand-mark:hover .symbol-star{
  transform:rotate(45deg);
}

.desktop-nav{
  display:flex;
  align-items:center;
  gap:48px;
  font-family:var(--serif);
  font-size:14px;
}

.desktop-nav a{
  position:relative;
  color:#111;
  text-decoration:none;
}

.desktop-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:1px;
  background:#111;
  transition:width .3s ease;
}

.desktop-nav a:hover::after{
  width:100%;
}

.header-right{
  display:flex;
  align-items:center;
  gap:13px;
  font-family:var(--serif);
  font-size:12px;
  color:#4e4c48;
}

.header-dot{
  width:7px;
  height:7px;
  background:#111;
  border-radius:50%;
  margin-right:20px;
}

.header-mini-star{
  font-size:11px;
  color:#111;
  margin:0 2px;
}

.header-circle{
  width:26px;
  height:26px;
  border:1px solid #111;
  border-radius:50%;
  margin-left:45px;
  transition:transform .5s ease, background .3s ease;
}

.header-circle:hover{
  transform:scale(1.12);
  background:#111;
}

.menu-toggle{
  display:none;
  background:none;
  border:0;
  width:36px;
  height:36px;
  padding:0;
}

.menu-toggle span{
  display:block;
  height:1px;
  background:#111;
  margin:8px 0;
}

.hero{
  min-height:calc(100vh - 92px);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:70px;
  align-items:center;
  padding:40px 0 70px;
}
.eyebrow{
  display:flex;align-items:center;gap:16px;
  font-size:11px;letter-spacing:.18em;
  margin-bottom:26px;
}
.eyebrow span:first-child{font-size:16px}
.hairline{display:block;width:58px;height:1px;background:#9e9b94}

.hero h1{
  margin:0;
  font-family:var(--serif);
  font-size:clamp(74px, 8vw, 142px);
  line-height:.9;
  font-weight:500;
  letter-spacing:-.045em;
}
.hero h2{
  font-family:var(--serif);
  font-size:clamp(24px,2.2vw,38px);
  font-weight:500;
  margin:22px 0 16px;
}
.hero-intro{
  max-width:630px;
  font-family:var(--serif);
  font-size:clamp(20px,1.7vw,28px);
  line-height:1.35;
  margin:0 0 32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  height:52px;padding:0 24px;
  border-radius:999px;
  border:1px solid #111;
  display:inline-flex;align-items:center;gap:22px;
  font-size:14px;
  transition:all .25s ease;
}
.btn span{transition:transform .25s ease}
.btn:hover span{transform:translateX(5px)}
.btn-dark{background:#111;color:#fff}
.btn-dark:hover{background:#2b2b2b}
.btn-light{background:transparent}
.btn-light:hover{background:#111;color:#fff}

.micro-tags{
  display:flex;gap:22px;align-items:center;
  margin-top:42px;
  font-size:9px;letter-spacing:.2em;color:#77736d;
}
.micro-tags span:first-child{color:#111;font-size:18px}

.hero-visual{position:relative;min-height:680px}
.portrait-frame{
  position:absolute;
  inset:30px 75px 30px 15px;
  background:#d8d8d6;
  overflow:hidden;
}
.portrait-placeholder{
  height:100%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  background:
    linear-gradient(145deg,#d9d9d7 0%,#bcbcb9 50%,#efefec 100%);
  color:#333;
  letter-spacing:.18em;
}
.portrait-placeholder span{font-family:var(--serif);font-size:46px}
.portrait-placeholder small{margin-top:8px;font-size:10px}

.orbit{
  position:absolute;
  width:150px;height:150px;
  border:1px solid #111;
  border-radius:50%;
  right:10px;top:65px;
  animation:float 6s ease-in-out infinite;
}
.orbit-dot{
  position:absolute;width:7px;height:7px;border-radius:50%;background:#111;
  right:3px;top:215px;
}
.floating-star{position:absolute;font-size:26px}
.star-a{right:50px;top:265px;animation:spin 12s linear infinite}
.star-b{left:-5px;bottom:90px;font-size:18px;animation:spin 15s linear infinite reverse}
.signature-note{
  position:absolute;left:-40px;top:235px;
  transform:rotate(-10deg);
  font-family:var(--serif);
  font-style:italic;font-size:28px;line-height:1.05;
}
.signature-note span{display:block}
.signature-note i{
  display:block;width:140px;height:1px;background:#111;
  transform:rotate(-7deg);margin-top:11px;
}
.hero-side-note{
  position:absolute;right:-5px;bottom:85px;
  font-size:10px;letter-spacing:.22em;
  line-height:1.5;border-left:1px solid #111;padding-left:18px;
}
.hero-side-note span{display:block}

.section-lined{border-top:1px solid var(--line)}
.section-index{
  min-width:230px;
  display:grid;
  grid-template-columns:20px 30px 1fr;
  align-items:start;gap:10px;
}
.section-index > span{font-size:18px}
.section-index small{font-size:11px;padding-top:4px}
.section-index h3{
  grid-column:1 / -1;
  font-family:var(--serif);
  font-size:42px;font-weight:500;
  margin:8px 0 0;
}

.about{
  display:grid;
  grid-template-columns:240px 1fr 1.15fr;
  gap:65px;
  padding:46px 0;
  align-items:start;
}
.about-copy{max-width:620px;font-family:var(--serif);font-size:19px}
.about-copy p{margin-top:0}
.text-link{
  display:inline-flex;align-items:center;gap:18px;
  border-bottom:1px solid #111;padding-bottom:4px;
  font-family:var(--sans);font-size:13px;
}
.text-link span{transition:transform .25s ease}
.text-link:hover span{transform:translateX(6px)}

.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-left:1px solid var(--line);
}
.metric{
  padding:6px 20px 0;
  min-height:120px;
  border-right:1px solid var(--line);
}
.metric strong{
  font-family:var(--serif);font-weight:500;font-size:38px;display:block
}
.metric span{font-size:12px;color:var(--muted);display:block;max-width:110px}

.projects{padding:46px 0 36px}
.section-head{
  display:flex;justify-content:space-between;align-items:end;
  margin-bottom:32px;
}
.section-head > p{
  font-family:var(--serif);font-size:28px;
  max-width:430px;margin:0;text-align:right;
}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.project-card{
  border-top:1px solid #111;
  padding-top:14px;
  position:relative;
}
.project-number{font-size:11px;letter-spacing:.12em;margin-bottom:12px}
.project-image{
  height:240px;
  background:#d7d6d2;
  position:relative;overflow:hidden;
  filter:grayscale(1);
  transition:transform .35s ease, filter .35s ease;
}
.project-card:hover .project-image{transform:translateY(-5px);filter:grayscale(.2)}
.project-image::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(135deg,transparent 0 36%,rgba(0,0,0,.08) 36% 50%,transparent 50%),
    linear-gradient(45deg,#ecebe8,#bdbbb6);
}
.project-image-2::before{
  background:
    radial-gradient(circle at 30% 40%,#f6f5f1 0 14%,transparent 15%),
    linear-gradient(135deg,#c7c5c0,#f2f1ed);
}
.project-image-3::before{
  background:
    linear-gradient(90deg,#c0bfbb 0 20%,#eee 20% 60%,#9e9c97 60% 65%,#d4d2ce 65%);
}
.project-symbol{
  position:absolute;right:18px;bottom:12px;
  z-index:2;font-family:var(--serif);font-size:44px
}
.project-content{padding:20px 2px 10px}
.project-kicker{font-size:9px;letter-spacing:.12em;color:#77736d}
.project-content h4{
  font-family:var(--serif);font-size:28px;font-weight:500;margin:8px 0
}
.project-content > p:not(.project-kicker){
  color:#4d4b47;font-size:14px;min-height:65px
}
.project-results{
  display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 17px
}
.project-results span{
  border:1px solid #c6c4bd;border-radius:999px;
  padding:6px 10px;font-size:11px
}

.expertise{
  display:grid;
  grid-template-columns:250px 1fr;
  gap:54px;padding:46px 0
}
.expertise-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.expertise-item{
  border-left:1px solid var(--line);
  padding:0 26px 8px;
}
.expertise-symbol{font-family:var(--serif);font-size:28px;height:42px}
.expertise-symbol.slash{font-size:34px}
.expertise-item h4{
  font-family:var(--serif);font-size:23px;font-weight:500;margin:4px 0
}
.expertise-item p{font-size:13px;color:var(--muted);margin:0}

.contact{
  display:grid;
  grid-template-columns:250px 1fr auto 230px;
  gap:54px;padding:40px 0 30px;align-items:center
}
.contact-copy h4{
  font-family:var(--serif);font-size:34px;font-weight:500;margin:0 0 5px
}
.contact-copy p{margin:0;color:var(--muted)}
.signature-mark svg{width:210px;height:auto}
.signature-mark path{
  fill:none;stroke:#111;stroke-width:1.2;stroke-linecap:round
}

.site-footer{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;
  font-size:10px;letter-spacing:.12em;
  color:#6a6863
}
.footer-links{display:flex;gap:14px;align-items:center}

.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .75s ease,transform .75s ease
}
.reveal.visible{opacity:1;transform:none}

.cursor-dot{
  width:7px;height:7px;background:#111;border-radius:50%;
  position:fixed;left:0;top:0;pointer-events:none;
  z-index:1000;transform:translate(-50%,-50%);
  opacity:.8
}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{50%{transform:translateY(12px)}}

@media (max-width:1100px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:65px}
  .hero-visual{min-height:600px}
  .hero-copy{max-width:850px}
  .about{grid-template-columns:220px 1fr}
  .metrics{grid-column:1/-1;margin-top:10px}
  .expertise{grid-template-columns:1fr}
  .expertise-grid{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:220px 1fr auto}
  .signature-mark{display:none}
}

@media (max-width:760px){
  .section-shell,.site-header{width:min(calc(100% - 36px),var(--max))}
  .site-header{height:72px}
  .desktop-nav{display:none}
  .menu-toggle{display:block}
  .desktop-nav.open{
    display:flex;
    position:absolute;
    top:66px;left:0;right:0;
    background:var(--paper);
    border:1px solid var(--line);
    flex-direction:column;
    padding:22px;
    gap:18px;
  }
  .hero{
    grid-template-columns:1fr;
    gap:28px;padding:36px 0 45px
  }
  .hero h1{font-size:clamp(60px,20vw,90px)}
  .hero h2{font-size:28px}
  .hero-intro{font-size:21px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:space-between;width:100%}
  .micro-tags{gap:12px;flex-wrap:wrap}
  .hero-visual{min-height:520px}
  .portrait-frame{inset:20px 28px 20px 0}
  .orbit{width:115px;height:115px;right:0}
  .signature-note{left:2px;top:190px;font-size:23px}
  .hero-side-note{right:2px;bottom:55px}
  .about,.expertise,.contact{grid-template-columns:1fr;gap:28px}
  .section-index{min-width:0}
  .section-index h3{font-size:35px}
  .metrics{grid-template-columns:repeat(2,1fr);border-left:0}
  .metric{border-top:1px solid var(--line);padding:16px 8px}
  .section-head{align-items:start;gap:24px;flex-direction:column}
  .section-head > p{text-align:left;font-size:24px}
  .project-grid{grid-template-columns:1fr}
  .project-image{height:260px}
  .expertise-grid{grid-template-columns:1fr}
  .expertise-item{padding:22px 6px;border-left:0;border-top:1px solid var(--line)}
  .contact .btn{width:100%}
  .site-footer{flex-direction:column;gap:12px}
  .cursor-dot{display:none}
}

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