/* ============================================================
   nourredine.tech — executive layer (v4)
   Linear / Stripe register: deep navy, one restrained accent,
   proof before adjectives, two identities kept apart.
   ============================================================ */

:root{
  --navy:#06070d;
  --navy-2:#090c14;
  --surface-x:#0d1119;
  --line-x:rgba(255,255,255,.08);
  --line-x2:rgba(255,255,255,.16);
  --ink:#eef1f6;
  --ink-2:#a8b2c4;
  --ink-3:#79839a;
  --accent:#35c9c0;
  --accent-dim:rgba(53,201,192,.12);
  --accent-line:rgba(53,201,192,.28);
}

body{background:var(--navy)}
body::before{
  background:
    radial-gradient(900px 520px at 12% -10%,rgba(53,201,192,.07),transparent 60%),
    radial-gradient(760px 480px at 92% -6%,rgba(80,110,190,.08),transparent 62%);
}
body::after{opacity:.25}

/* ---------- header ---------- */
.nav{height:68px}
.brand .mark{background:linear-gradient(140deg,#35c9c0,#3d6fd8);}
.nav-links a{font-size:13px;letter-spacing:-.005em;padding:7px 11px}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:8px;
  background:var(--ink);color:#06070d;font-size:13px;font-weight:650;
  transition:transform .16s, box-shadow .2s;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(238,241,246,.5)}
.nav-ghost{
  padding:8px 13px;border-radius:8px;border:1px solid var(--line-x2);
  font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;
}
.nav-ghost:hover{background:rgba(255,255,255,.05)}

/* ---------- hero ---------- */
.pro-hero{padding:72px 0 56px}
.pro-hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.avail{
  display:inline-flex;align-items:center;gap:9px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--accent-line);background:var(--accent-dim);
  font-size:12px;font-weight:600;color:#bff0ec;letter-spacing:.01em;
}
.avail .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(53,201,192,.6);animation:availPulse 2.8s infinite}
@keyframes availPulse{70%{box-shadow:0 0 0 8px rgba(53,201,192,0)}100%{box-shadow:0 0 0 0 rgba(53,201,192,0)}}

.pro-hero h1{
  font-size:clamp(2.1rem,3.9vw,3.15rem);line-height:1.06;letter-spacing:-.042em;
  margin:22px 0 0;font-weight:780;max-width:19ch;
}
.pro-hero h1 .accent{color:var(--accent)}
.pro-hero .sub{
  margin:20px 0 0;font-size:17px;line-height:1.62;color:var(--ink-2);max-width:60ch;
}
.pro-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.btn-solid{
  display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:9px;
  background:var(--ink);color:#06070d;font-weight:650;font-size:14.5px;
  transition:transform .16s,box-shadow .2s;
}
.btn-solid:hover{transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(238,241,246,.55)}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;padding:12px 19px;border-radius:9px;
  border:1px solid var(--line-x2);color:var(--ink);font-weight:600;font-size:14.5px;
  background:rgba(255,255,255,.02);transition:.18s;
}
.btn-line:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28)}
.btn-quiet{display:inline-flex;align-items:center;gap:7px;padding:12px 4px;font-size:14px;color:var(--ink-2);font-weight:550}
.btn-quiet:hover{color:var(--ink)}
.btn-quiet svg{width:14px;height:14px}

.pro-facts{
  display:grid;grid-template-columns:repeat(4,auto);gap:34px;justify-content:start;
  margin-top:38px;padding-top:24px;border-top:1px solid var(--line-x);
}
.pro-facts b{display:block;font-size:1.32rem;font-weight:750;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.pro-facts span{display:block;font-size:11.5px;color:var(--ink-3);margin-top:3px;line-height:1.35;max-width:15ch}

/* portrait */
.portrait-card{position:relative}
.portrait-card .frame{
  position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line-x2);
  background:var(--surface-x);box-shadow:0 40px 80px -40px rgba(0,0,0,.9);
  aspect-ratio:4/5;
}
.portrait-card .frame img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.portrait-card .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(6,7,13,.72));
}
.portrait-card .tag{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.portrait-card .tag b{font-size:13px;font-weight:650;color:#fff;letter-spacing:-.01em}
.portrait-card .tag span{font-family:var(--mono);font-size:10.5px;color:#9fb0c4;letter-spacing:.06em;text-transform:uppercase}

/* ---------- client strip ---------- */
.clients{border-top:1px solid var(--line-x);border-bottom:1px solid var(--line-x);padding:22px 0;background:rgba(255,255,255,.012)}
.clients .wrap{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.clients .lbl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.clients .names{display:flex;gap:30px;flex-wrap:wrap;align-items:center}
.clients .names span{font-size:14.5px;font-weight:650;letter-spacing:-.01em;color:#c9d3e2;opacity:.82}

/* ---------- section frame ---------- */
.blk{padding:76px 0}
.blk-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.blk-head .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;display:block}
.blk-head h2{font-size:clamp(1.55rem,2.6vw,2.05rem);letter-spacing:-.032em;line-height:1.14;max-width:24ch;font-weight:750}
.blk-head p{margin:12px 0 0;color:var(--ink-2);font-size:15.5px;max-width:62ch}

/* expertise cards */
.ex-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.ex{
  padding:22px;border:1px solid var(--line-x);border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,.006));
  transition:border-color .2s,transform .2s cubic-bezier(.2,.7,.3,1),background .2s;
}
.ex:hover{border-color:var(--line-x2);transform:translateY(-2px);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.01))}
.ex .n{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);letter-spacing:.1em}
.ex h3{font-size:15.5px;margin:9px 0 0;letter-spacing:-.012em;font-weight:660;color:#fff}
.ex p{margin:8px 0 0;font-size:13.2px;line-height:1.55;color:var(--ink-3)}

/* timeline */
.tl{border-top:1px solid var(--line-x)}
.tl-item{display:grid;grid-template-columns:180px 1fr auto;gap:26px;padding:22px 0;border-bottom:1px solid var(--line-x);align-items:start}
.tl-item .when{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);padding-top:3px}
.tl-item h3{font-size:15.5px;font-weight:660;color:#fff;margin:0}
.tl-item .co{color:var(--accent);font-weight:650}
.tl-item p{margin:7px 0 0;font-size:13.5px;color:var(--ink-3);line-height:1.55}
.tl-item .del{margin-top:9px;display:flex;gap:6px;flex-wrap:wrap}
.tl-item .del span{font-size:10.5px;font-family:var(--mono);color:#93a1b8;border:1px solid var(--line-x);border-radius:4px;padding:2px 7px}
.tl-item .badge{font-size:10px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-line);border-radius:4px;padding:3px 8px;white-space:nowrap}

/* case studies */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.case{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line-x);border-radius:12px;background:rgba(255,255,255,.018);transition:.2s}
.case:hover{border-color:var(--line-x2);background:rgba(255,255,255,.04)}
.case .k{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.case h3{margin:10px 0 0;font-size:16px;letter-spacing:-.015em;color:#fff;font-weight:660}
.case p{margin:9px 0 0;font-size:13.2px;color:var(--ink-3);line-height:1.55}
.case .more{margin-top:auto;padding-top:16px;font-size:12.5px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:6px}
.case .more svg{width:13px;height:13px}

/* innovation band — deliberately separated */
.innov{background:var(--navy-2);border-top:1px solid var(--line-x);border-bottom:1px solid var(--line-x)}
.innov .blk-head .lbl{color:#8e7df8}
.innov-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.innov-card{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:20px;border:1px solid var(--line-x);border-radius:12px;background:rgba(255,255,255,.015);transition:.2s}
.innov-card:hover{border-color:var(--line-x2);background:rgba(255,255,255,.04)}
.innov-card .ico{width:56px;height:56px;border-radius:11px;display:grid;place-items:center;background:rgba(142,125,248,.1);border:1px solid rgba(142,125,248,.22);color:#a99bfb}
.innov-card .ico svg{width:22px;height:22px}
.innov-card h3{margin:0;font-size:14.5px;font-weight:660;color:#fff}
.innov-card p{margin:6px 0 0;font-size:12.8px;color:var(--ink-3);line-height:1.5}

/* contact */
.contact-band{
  border:1px solid var(--line-x2);border-radius:16px;padding:44px;
  background:
    radial-gradient(600px 300px at 8% 0%,rgba(53,201,192,.10),transparent 60%),
    rgba(255,255,255,.018);
}
.contact-band h2{font-size:clamp(1.5rem,2.5vw,2rem);max-width:22ch;letter-spacing:-.03em}
.contact-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}
.contact-rows a{display:flex;align-items:center;gap:10px;padding:13px 15px;border:1px solid var(--line-x);border-radius:9px;font-size:13.5px;color:var(--ink-2);transition:.16s}
.contact-rows a:hover{background:rgba(255,255,255,.05);color:#fff;border-color:var(--line-x2)}
.contact-rows .k{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--ink-3)}

/* pending marker */
.pending{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#e0b366;border:1px dashed rgba(224,179,102,.45);border-radius:4px;padding:2px 7px}

/* ---------- responsive ---------- */
@media(max-width:1060px){
  .pro-hero .wrap{grid-template-columns:1fr;gap:38px}
  .portrait-card{max-width:420px}
  .ex-grid{grid-template-columns:1fr 1fr}
  .cases{grid-template-columns:1fr}
  .contact-rows{grid-template-columns:1fr}
}
@media(max-width:760px){
  .pro-hero{padding:40px 0 34px}
  .pro-facts{grid-template-columns:1fr 1fr;gap:20px 26px}
  .ex-grid,.innov-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .tl-item .when{padding-top:0}
  .contact-band{padding:26px 20px;border-radius:12px}
  .nav-cta,.nav-ghost{display:none}
  .clients .wrap{gap:14px}
  .clients .names{gap:16px}
  .clients .names span{font-size:13px}
}

/* LinkedIn in the header — icon only, no extra nav noise */
.nav-li{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border:1px solid var(--line-x);border-radius:8px;color:#a8b2c4;transition:.16s;flex:0 0 auto;
}
.nav-li:hover{border-color:var(--line-x2);color:#fff;background:rgba(255,255,255,.05)}
.nav-li svg{width:15px;height:15px}
@media(max-width:760px){.nav-li{display:none}}