/* ===== Abdul Rehman — Portfolio ===== */
:root{
  --bg:#0a0607;
  --bg-2:#120a0c;
  --panel:#160d10;
  --panel-2:#1d1113;
  --line:rgba(255,255,255,.08);
  --text:#f4eef0;
  --muted:#9c8f92;
  --red:#ff3b30;
  --red-2:#ff6a45;
  --red-deep:#b81e22;
  --radius:20px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand-name{font-family:'Sora',sans-serif;letter-spacing:-.02em;line-height:1.08}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* Ambient background */
.bg-grid{
  position:fixed;inset:0;z-index:-2;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(circle at 70% 12%,#000 0%,transparent 60%);
  opacity:.5;
}
.bg-glow{
  position:fixed;z-index:-1;top:-25%;right:-15%;
  width:80vw;height:80vw;max-width:1000px;max-height:1000px;
  background:radial-gradient(circle,rgba(255,59,48,.32) 0%,rgba(184,30,34,.12) 35%,transparent 68%);
  filter:blur(20px);pointer-events:none;
}

/* Layout */
.section{max-width:var(--maxw);margin:0 auto;padding:110px 28px}
.eyebrow{
  display:inline-block;font-size:.72rem;letter-spacing:.32em;font-weight:600;
  color:var(--red-2);margin-bottom:18px;text-transform:uppercase;
}
.section-head{margin-bottom:56px}
.section-head h2{font-size:clamp(2rem,4.4vw,3.2rem);font-weight:800}
.grad{
  background:linear-gradient(100deg,var(--red-2),var(--red) 45%,#ff9a7a 70%,var(--red-2));
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 5s ease-in-out infinite;
}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:100px;font-weight:600;font-size:.94rem;
  cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-light{background:#fff;color:#12090b}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,255,255,.16)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--red);background:rgba(255,59,48,.08);transform:translateY(-2px)}

/* NAV */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(18px,4vw,46px);
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(10,6,7,.72);backdrop-filter:blur(16px);border-color:var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700}
.brand-badge{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  font-family:'Sora';font-size:.85rem;font-weight:700;box-shadow:0 6px 18px rgba(255,59,48,.35);
}
.brand-name{font-size:1rem}
.nav-links{display:flex;gap:30px}
.nav-links a{color:var(--muted);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{padding:9px 20px;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);border-radius:2px;transition:.3s}

/* HERO */
.hero{
  max-width:var(--maxw);margin:0 auto;
  min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;
  padding:120px 28px 60px;
}
.hero-copy h1{font-size:clamp(2.5rem,5.6vw,4.4rem);font-weight:800;margin:14px 0 22px}
/* Hero title word reveal */
.hero-title .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .04em}
.hero-title .word{
  display:inline-block;transform:translateY(115%);opacity:0;
  animation:wordUp .85s cubic-bezier(.2,.9,.25,1) forwards;
}
.hero-title .w:nth-child(1) .word{animation-delay:.15s}
.hero-title .w:nth-child(2) .word{animation-delay:.28s}
.hero-title .w:nth-child(3) .word{animation-delay:.41s}
.hero-title .w:nth-child(4) .word{animation-delay:.54s}
.hero-title .w:nth-child(5) .word{animation-delay:.63s}
.hero-title .w:nth-child(6) .word{animation-delay:.72s}
.hero-title .w:nth-child(7) .word{animation-delay:.81s}
@keyframes wordUp{to{transform:translateY(0);opacity:1}}
.hero-title .grad{animation:wordUp .85s cubic-bezier(.2,.9,.25,1) forwards,gradShift 5s ease-in-out 1s infinite}
.hero-sub{color:var(--muted);font-size:1.04rem;max-width:560px;margin-bottom:18px}
.hero-sub strong{color:var(--text);font-weight:600}
.hero-note{
  display:flex;gap:11px;align-items:flex-start;max-width:560px;margin-bottom:34px;
  padding:14px 16px;border-radius:14px;font-size:.95rem;color:var(--muted);
  background:rgba(255,59,48,.06);border:1px solid rgba(255,59,48,.16);
}
.hero-note strong{color:var(--text);font-weight:600}
.hero-note-icon{color:var(--red);flex:none;font-size:.8rem;margin-top:.28em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap}
.hero-stats strong{display:block;font-family:'Sora';font-size:1.9rem;font-weight:700}
.hero-stats span{color:var(--muted);font-size:.82rem}

/* Hero portrait */
.hero-visual{display:grid;place-items:center}
.portrait{position:relative;width:min(400px,82vw)}
.portrait-halo{
  position:absolute;inset:-14% -10% -8% -14%;z-index:0;border-radius:50%;
  background:radial-gradient(circle at 60% 40%,rgba(255,59,48,.45),rgba(184,30,34,.15) 45%,transparent 70%);
  filter:blur(30px);animation:pulse 7s ease-in-out infinite;
}
.portrait-frame{
  position:relative;z-index:1;border-radius:26px;overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(160deg,var(--panel),var(--bg-2));
  box-shadow:0 40px 90px rgba(0,0,0,.55),inset 0 0 0 1px rgba(255,59,48,.12);
  aspect-ratio:3/4;
}
.portrait-frame img{
  width:100%;height:100%;object-fit:cover;object-position:center 18%;
  display:block;filter:saturate(1.02) contrast(1.02);
}
.portrait-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(10,6,7,.55) 100%),
            linear-gradient(120deg,rgba(255,59,48,.10),transparent 40%);
}
.portrait-badge{
  position:absolute;left:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:100px;font-size:.8rem;font-weight:600;
  background:rgba(10,6,7,.72);backdrop-filter:blur(10px);border:1px solid var(--line);
}
.portrait-badge .dot{width:8px;height:8px;border-radius:50%;background:#2ec96b;box-shadow:0 0 0 4px rgba(46,201,107,.2)}
.chip{
  position:absolute;z-index:2;padding:8px 15px;border-radius:100px;font-size:.78rem;font-weight:600;
  background:rgba(22,13,16,.9);border:1px solid var(--line);backdrop-filter:blur(8px);
  box-shadow:0 8px 24px rgba(0,0,0,.45);animation:float 5s ease-in-out infinite;
}
.chip-1{top:6%;left:-13%;color:var(--red-2)}
.chip-2{top:34%;right:-14%;animation-delay:.6s}
.chip-3{bottom:20%;left:-14%;animation-delay:1.1s;color:var(--red-2)}
.chip-4{bottom:6%;right:-9%;animation-delay:.3s}
@keyframes pulse{0%,100%{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* MARQUEE */
.marquee{border-block:1px solid var(--line);background:rgba(255,255,255,.015);overflow:hidden;padding:22px 0}
.marquee-track{display:flex;gap:34px;align-items:center;white-space:nowrap;width:max-content;animation:scroll 34s linear infinite}
.marquee-track span{font-family:'Sora';font-weight:600;font-size:1.05rem;color:var(--muted)}
.marquee-track i{color:var(--red);font-style:normal;font-size:.6rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  grid-column:span 1;background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  position:relative;overflow:hidden;transition:transform .3s ease,border-color .3s ease;
}
.card-lg{grid-column:span 2}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--red),transparent);opacity:0;transition:opacity .3s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,59,48,.4)}
.card:hover::before{opacity:1}
.card-icon{font-size:1.6rem;margin-bottom:16px}
.card h3{font-size:1.2rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.94rem}

/* PROJECTS */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.project{
  background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:transform .3s ease,border-color .3s ease;position:relative;overflow:hidden;
}
.project:hover{transform:translateY(-4px);border-color:rgba(255,59,48,.4)}
.project-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px}
.project h3{font-size:1.22rem}
.arrow{
  flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);font-size:1.05rem;transition:.25s;
}
.project:hover .arrow{background:var(--red);color:#fff;border-color:var(--red);transform:rotate(0) scale(1.05)}
.project p{color:var(--muted);font-size:.94rem;margin-bottom:18px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{font-size:.74rem;padding:5px 11px;border-radius:100px;background:rgba(255,59,48,.08);border:1px solid rgba(255,59,48,.18);color:var(--red-2)}

/* TIMELINE */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--red),transparent)}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(255,59,48,.15)}
.tl-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px}
.tl-body h3{font-size:1.15rem}
.tl-date{color:var(--red-2);font-size:.82rem;font-weight:600;white-space:nowrap}
.tl-org{color:var(--text);font-weight:500;font-size:.95rem;margin:2px 0 12px;opacity:.8}
.tl-body ul{list-style:none;display:grid;gap:8px}
.tl-body li{position:relative;padding-left:18px;color:var(--muted);font-size:.93rem}
.tl-body li::before{content:"▸";position:absolute;left:0;color:var(--red)}

/* EDUCATION */
.edu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.edu-card{
  display:flex;gap:18px;align-items:flex-start;
  background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .3s ease,border-color .3s ease;
}
.edu-card:hover{transform:translateY(-4px);border-color:rgba(255,59,48,.4)}
.edu-icon{
  flex:none;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;
  background:radial-gradient(circle at 35% 30%,rgba(255,106,69,.22),rgba(20,10,12,.6));
  border:1px solid var(--line);
}
.edu-body{flex:1}
.edu-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.edu-body h3{font-size:1.15rem}
.edu-date{color:var(--red-2);font-size:.82rem;font-weight:600;white-space:nowrap}
.edu-org{color:var(--muted);font-size:.95rem;margin:4px 0 12px}
.edu-meta{display:flex;flex-wrap:wrap;gap:8px}
.edu-tag{font-size:.76rem;padding:5px 12px;border-radius:100px;background:rgba(255,59,48,.08);border:1px solid rgba(255,59,48,.18);color:var(--red-2)}

/* SKILLS */
.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:40px}
.skill-group{background:linear-gradient(160deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.skill-group h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red-2);margin-bottom:15px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills span{font-size:.82rem;padding:6px 13px;border-radius:100px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.certs-head{margin-bottom:26px}
.certs-head h3{font-size:1.5rem;font-weight:700}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert-card{
  background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:16px;padding:22px;
  display:flex;flex-direction:column;gap:8px;transition:transform .3s ease,border-color .3s ease;
}
.cert-card:hover{transform:translateY(-4px);border-color:rgba(255,59,48,.4)}
.cert-issuer{display:flex;align-items:center;gap:9px;font-size:.82rem;color:var(--muted);font-weight:500}
.cert-logo{
  width:24px;height:24px;flex:none;border-radius:7px;display:grid;place-items:center;
  font-family:'Sora';font-size:.72rem;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
}
.cert-card h4{font-size:1rem;font-weight:600;line-height:1.3;margin-top:2px}
.cert-date{font-size:.78rem;color:var(--red-2);margin-top:auto;font-weight:500}

/* CONTACT */
.contact{text-align:center}
.contact-inner{max-width:680px;margin:0 auto}
.contact h2{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;margin:14px 0 18px}
.contact p{color:var(--muted);margin-bottom:32px}
.contact-actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}
.btn-icon{
  width:48px;height:48px;padding:0;border-radius:50%;justify-content:center;
  background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--muted);
}
.btn-icon:hover{color:#fff;border-color:var(--red);background:rgba(255,59,48,.12);transform:translateY(-3px)}

/* FOOTER */
.footer{
  max-width:var(--maxw);margin:0 auto;padding:30px 28px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;
}

/* 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{grid-template-columns:1fr;text-align:left;padding-top:100px;gap:50px}
  .hero-visual{order:-1}
  .portrait{width:min(300px,72vw);margin-inline:auto}
  .cards{grid-template-columns:repeat(2,1fr)}
  .card-lg{grid-column:span 1}
  .skills{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .nav-links,.nav-cta{
    position:fixed;top:64px;left:14px;right:14px;flex-direction:column;gap:14px;
    background:rgba(15,9,11,.97);backdrop-filter:blur(18px);border:1px solid var(--line);
    border-radius:16px;padding:22px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s;
  }
  .nav-cta{top:auto;position:static;text-align:center}
  .nav.open .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-toggle{display:flex}
  .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:560px){
  .projects{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .skills{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .edu-grid{grid-template-columns:1fr}
  .section{padding:80px 20px}
  .hero-stats{gap:24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .hero-title .word{transform:none!important;opacity:1!important}
}