/* ==========================================================================
   SAMET DESIGN — Design system
   Ink/Paper + Electric accent, motif signature : coin coupé (écho du logo)
   ========================================================================== */

:root{
  --ink:#0c0c0d;
  --ink-soft:#1c1c1d;
  --paper:#ffffff;
  --mist:#eeece6;
  --ash:#58584f;
  --accent:#ff3c1a;
  --accent-text:#a8230b;
  --accent-deep:#c81f0a;
  --cut:18px;
  --cut-lg:30px;
  --maxw:1200px;
  --ff-display:'Big Shoulders Display', sans-serif;
  --ff-body:'Manrope', sans-serif;
  --ff-mono:'JetBrains Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-family:var(--ff-display);font-weight:900;text-transform:uppercase;letter-spacing:0.01em;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;}
}

/* ---------------- utility: signature cut-corner shape ---------------- */
.cut{
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.cut-lg{
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}
.cut-rev{
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

/* ---------------- eyebrow / mono labels ---------------- */
.eyebrow{
  font-family:var(--ff-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent-text);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;
  background:var(--accent);
  display:inline-block;
}

/* ============================== HEADER ============================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#ffffff;
  border-bottom:1px solid var(--mist);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:36px;width:auto;}
.brand span{
  font-family:var(--ff-mono);
  font-size:13px;letter-spacing:0.08em;
  color:var(--ink);
}
.bg-ink .eyebrow,.split-panel.is-dev .eyebrow,.contact-block .eyebrow{color:var(--accent);}
.nav-right{display:flex;align-items:center;gap:26px;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-family:var(--ff-mono);
  font-size:13px;letter-spacing:0.06em;
  text-transform:uppercase;
  position:relative;
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0%;height:2px;background:var(--accent);
  transition:width .25s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after{width:100%;}
.main-nav a.active{color:var(--accent-text);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:none;background:var(--ink);
  position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--paper);
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------------- language switch ---------------- */
.lang-switch{display:flex;align-items:center;gap:4px;font-family:var(--ff-mono);font-size:12px;letter-spacing:0.04em;}
.lang-switch a{padding:5px 8px;color:var(--ash);border:1px solid transparent;}
.lang-switch a.active{color:var(--ink);border-color:var(--ink);}
.lang-switch a:hover{color:var(--accent-text);}
.main-nav .lang-switch{margin-top:10px;}
.main-nav .lang-switch a{color:var(--paper);opacity:.7;}
.main-nav .lang-switch a.active{opacity:1;border-color:var(--paper);}

/* ---------------- arrow icon (auto-flip in RTL) ---------------- */
.i-arrow{display:inline-block;}
[dir="rtl"] .i-arrow{transform:scaleX(-1);}

/* ---------------- RTL (Arabic) adjustments ---------------- */
[dir="rtl"]{
  --ff-display:'Cairo', sans-serif;
  --ff-body:'Cairo', sans-serif;
  --ff-mono:'Cairo', sans-serif;
}
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4{letter-spacing:0;text-transform:none;font-weight:700;}
[dir="rtl"] .eyebrow{letter-spacing:0;}
[dir="rtl"] .hero-tag{left:auto;right:-18px;}
[dir="rtl"] .skill-card li::before{content:"\2014 ";}
[dir="rtl"] .tl-item{padding-left:0;padding-right:34px;border-left:none;border-right:2px solid var(--ink);}
[dir="rtl"] .tl-item::before{left:auto;right:-7px;}
[dir="rtl"] .timeline{border-left:none;border-right:2px solid var(--ink);}

@media (max-width:860px){
  .main-nav{
    display:none;
    position:fixed;
    top:78px;left:0;right:0;bottom:0;
    background:var(--ink);
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:28px;
    z-index:60;
  }
  .main-nav.open{display:flex;}
  .main-nav a{color:var(--paper);font-size:22px;}
  .main-nav a.active{color:var(--accent);}
  .nav-toggle{display:block;}
  body.nav-locked{overflow:hidden;}
}

/* ============================== BUTTONS ============================== */
.btn{
  font-family:var(--ff-mono);
  font-size:13px;letter-spacing:0.06em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 26px;
  border:2px solid var(--ink);
  background:var(--ink);color:var(--paper);
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, color .2s ease;
}
.btn.cut{clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));}
.btn:hover{transform:translate(3px,-3px);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-on-dark{border-color:var(--paper);}

.btn-row{display:flex;gap:16px;flex-wrap:wrap;}

/* ============================== HERO ============================== */
.hero{
  padding:90px 0 70px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:50px;
  align-items:center;
}
.hero-grid > *{min-width:0;}
.hero h1{
  font-size:clamp(56px,9vw,118px);
  line-height:0.92;
  margin:18px 0 26px;
}
.hero h1 em{color:var(--accent);font-style:normal;}
.hero p.lead{
  font-size:19px;max-width:520px;color:var(--ink-soft);margin-bottom:34px;
}
.hero-photo-frame{
  position:relative;
  background:var(--ink);
  padding:14px;
}
.hero-photo-frame img{width:100%;height:auto;}
.hero-tag{
  position:absolute;bottom:-18px;left:-18px;
  background:var(--accent);
  color:var(--ink);
  font-family:var(--ff-mono);
  font-size:12.5px;letter-spacing:0.06em;
  padding:12px 16px;
  text-transform:uppercase;
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-photo-frame{max-width:320px;margin:0 auto;}
}

/* ============================== SPLIT (design/dev) ============================== */
.split{
  display:grid;grid-template-columns:1fr 1fr;
}
.split > *{min-width:0;}
.split-panel{
  padding:80px 50px;
  min-height:380px;
  display:flex;flex-direction:column;justify-content:center;
}
.split-panel.is-design{background:var(--accent);color:var(--ink);}
.split-panel.is-design .btn{border-color:var(--ink);color:var(--ink);}
.split-panel.is-design .btn:hover{background:var(--ink);color:var(--paper);}
.split-panel.is-dev{background:var(--ink);color:var(--paper);}
.split-panel h2{font-size:clamp(34px,4vw,52px);margin-bottom:18px;line-height:1;}
.split-panel p{max-width:420px;margin-bottom:26px;opacity:0.92;}
.split-panel .btn{border-color:var(--paper);background:transparent;color:var(--paper);}
.split-panel .btn:hover{background:var(--paper);color:var(--ink);}
@media (max-width:860px){
  .split{grid-template-columns:1fr;}
  .split-panel{padding:60px 28px;}
}

/* ============================== SECTIONS ============================== */
section{padding:90px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:50px;gap:24px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(34px,5vw,56px);line-height:1;}
.section-head p{color:var(--ash);max-width:380px;margin-top:14px;}

.bg-ink{background:var(--ink);color:var(--paper);}
.bg-mist{background:var(--mist);}

/* ============================== CARDS / PROJECTS ============================== */
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:34px;
}
@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid{grid-template-columns:1fr;}}

.card{
  background:var(--paper);
  border:1px solid var(--mist);
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 34px rgba(0,0,0,0.12);}
.card .thumb{
  aspect-ratio:4/3;overflow:hidden;background:var(--mist);
}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
.card .tags{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.tag{
  font-family:var(--ff-mono);font-size:11px;letter-spacing:0.05em;text-transform:uppercase;
  padding:4px 9px;border:1px solid var(--ink);
}
.tag.is-design{background:var(--accent);border-color:var(--accent);color:var(--ink);}
.tag.is-dev{background:var(--ink);color:var(--paper);}
.card-title{font-size:24px;margin-bottom:8px;}
.card p{color:var(--ash);font-size:14.5px;flex:1;}

/* filter pills */
.filters{display:flex;gap:10px;margin-bottom:46px;flex-wrap:wrap;}
.filter-btn{
  font-family:var(--ff-mono);font-size:12.5px;letter-spacing:0.06em;text-transform:uppercase;
  padding:10px 18px;border:1.5px solid var(--ink);background:transparent;cursor:pointer;
}
.filter-btn.active{background:var(--ink);color:var(--paper);}

.card[hidden]{display:none;}

/* ============================== ABOUT / TIMELINE ============================== */
.about-hero{
  display:grid;grid-template-columns:0.7fr 1.3fr;gap:60px;align-items:start;
}
.about-hero > *{min-width:0;}
.about-hero .photo{background:var(--ink);padding:12px;}
.about-hero.no-photo{grid-template-columns:1fr;}
@media (max-width:860px){.about-hero{grid-template-columns:1fr;} .about-hero .photo{max-width:280px;}}

.timeline{border-left:2px solid var(--ink);}
.tl-item{position:relative;padding:0 0 44px 34px;}
.tl-item:last-child{padding-bottom:4px;}
.tl-item::before{
  content:"";position:absolute;left:-7px;top:4px;
  width:12px;height:12px;background:var(--accent);
}
.tl-date{font-family:var(--ff-mono);font-size:13px;color:var(--accent-text);letter-spacing:0.04em;margin-bottom:6px;display:block;}
.tl-item h3{font-size:22px;margin-bottom:4px;text-transform:none;}
.tl-item .org{font-family:var(--ff-mono);font-size:13px;color:var(--ash);margin-bottom:12px;display:block;}
.tl-item ul{padding-left:18px;}
.tl-item li{margin-bottom:6px;font-size:14.5px;color:var(--ink-soft);}

.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
@media (max-width:860px){.skills-grid{grid-template-columns:repeat(2,1fr);}}
.skill-card{background:var(--paper);padding:26px 22px;border:1px solid var(--mist);}
.skill-card h3{font-size:14px;letter-spacing:0.04em;margin-bottom:14px;color:var(--accent-text);text-transform:uppercase;}
.skill-card ul{font-family:var(--ff-mono);font-size:13px;color:var(--ink-soft);display:flex;flex-direction:column;gap:8px;}
.skill-card li::before{content:"— ";color:var(--accent-text);}

/* ============================== CONTACT ============================== */
.contact-block{
  background:var(--ink);color:var(--paper);
  padding:80px 60px;
}
.contact-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;}
.contact-grid > *{min-width:0;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;} .contact-block{padding:60px 28px;}}
.contact-block h2{font-size:clamp(38px,6vw,64px);line-height:1;margin-bottom:24px;}
.contact-block p.lead{opacity:0.85;max-width:440px;margin-bottom:10px;}
.contact-list{display:flex;flex-direction:column;gap:0;margin-top:30px;}
.contact-list a{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,0.18);
  font-size:20px;
}
.contact-list a:first-child{border-top:1px solid rgba(255,255,255,0.18);}
.contact-list .label{font-family:var(--ff-mono);font-size:12px;color:var(--accent);letter-spacing:0.06em;text-transform:uppercase;}
.contact-list a span.arrow{transition:transform .2s ease;}
.contact-list a:hover span.arrow{transform:translateX(6px);color:var(--accent);}
.contact-side{
  background:var(--accent);color:var(--ink);
  padding:36px 30px;
}
.contact-side .eyebrow{color:var(--ink);}
.contact-side .eyebrow::before{background:var(--ink);}
.contact-side h3{font-size:26px;margin:14px 0 14px;}
.contact-side p{font-size:14.5px;opacity:0.95;}

/* ============================== FOOTER ============================== */
footer{background:var(--ink);color:var(--paper);padding:50px 0 26px;}
.footer-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,0.15);padding-bottom:34px;margin-bottom:22px;}
.footer-grid .brand img{height:30px;}
.footer-links{display:flex;gap:30px;flex-wrap:wrap;}
.footer-links a{font-family:var(--ff-mono);font-size:13px;letter-spacing:0.05em;text-transform:uppercase;opacity:0.85;}
.footer-links a:hover{color:var(--accent);opacity:1;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:var(--ff-mono);font-size:12px;opacity:0.6;}

/* ============================== PAGE HEADER (sub-pages) ============================== */
.page-header{padding:60px 0 50px;border-bottom:1px solid var(--mist);}
.page-header h1{font-size:clamp(44px,7vw,86px);line-height:0.95;}
.page-header p{color:var(--ash);max-width:480px;margin-top:18px;font-size:17px;}

/* ============================== MISC ============================== */
.center-cta{text-align:center;}
.mt-40{margin-top:40px;}
.divider{height:2px;background:var(--accent);width:60px;margin:24px 0;}

/* ============================== COOKIE BANNER ============================== */
.cookie-banner{
  position:fixed;left:20px;right:20px;bottom:20px;z-index:80;
  max-width:640px;margin:0 auto;
  background:var(--ink);color:var(--paper);
  padding:22px 24px;
  display:none;
  align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  box-shadow:0 10px 30px rgba(0,0,0,0.25);
}
.cookie-banner.show{display:flex;}
.cookie-banner p{font-size:13.5px;line-height:1.5;margin:0;flex:1;min-width:220px;color:var(--paper);}
.cookie-actions{display:flex;gap:10px;flex-shrink:0;}
.cookie-actions .btn{padding:10px 18px;font-size:12px;}
.cookie-actions .btn-ghost{border-color:var(--paper);color:var(--paper);}
@media (max-width:640px){
  .cookie-banner{left:12px;right:12px;bottom:12px;padding:18px;}
}