/* ===========================================================
   Muhammad Ukasha — Portfolio
   Palette: near-black base, indigo/violet accent, warm gold hairline
=========================================================== */

:root{
  --bg-0:#07070a;
  --bg-1:#0d0d12;
  --bg-2:#131318;
  --glass: rgba(255,255,255,0.045);
  --glass-border: rgba(255,255,255,0.09);
  --text-0:#f2f1f5;
  --text-1:#a8a7b3;
  --text-2:#706f7c;
  --accent:#6a5cff;
  --accent-2:#8f7bff;
  --gold:#c9a227;
  --radius:18px;
  --radius-sm:10px;
  --maxw:1160px;
  --ff-head:'Poppins', sans-serif;
  --ff-body:'Inter', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth; scroll-padding-top:90px;}

body{
  background:var(--bg-0);
  color:var(--text-0);
  font-family:var(--ff-body);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

/* ---------- background texture ---------- */
.bg-grid{
  position:fixed; inset:0; z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow{
  position:fixed; z-index:-1; top:-20%; left:50%;
  width:900px; height:900px; transform:translateX(-50%);
  background:radial-gradient(circle, rgba(106,92,255,0.22) 0%, rgba(106,92,255,0) 65%);
  pointer-events:none;
}

.section-inner{max-width:var(--maxw); margin:0 auto; padding:0 32px;}

.section-head{margin-bottom:52px;}
.section-kicker{
  font-family:var(--ff-head); font-size:13px; font-weight:600;
  color:var(--accent-2); letter-spacing:.04em; margin-bottom:10px;
}
.section-title{
  font-family:var(--ff-head); font-weight:700;
  font-size:clamp(28px,3.4vw,40px); color:var(--text-0);
}

/* ===================== NAVBAR ===================== */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:18px 0;
  transition:background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  padding:12px 0;
  background:rgba(8,8,11,0.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--glass-border);
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav-logo{
  font-family:var(--ff-head); font-weight:700; font-size:20px; color:var(--text-0);
}
.nav-logo .dot{color:var(--accent-2);}
.nav-links{display:flex; gap:34px;}
.nav-link{
  font-size:14.5px; font-weight:500; color:var(--text-1);
  position:relative; padding:4px 0; transition:color .25s ease;
}
.nav-link::after{
  content:""; position:absolute; left:0; bottom:-3px; height:1px; width:0;
  background:var(--accent-2); transition:width .25s ease;
}
.nav-link:hover, .nav-link.active{color:var(--text-0);}
.nav-link:hover::after, .nav-link.active::after{width:100%;}

.hire-btn-nav{
  display:inline-block; font-family:var(--ff-body); font-size:14px; font-weight:600;
  color:var(--bg-0); background:var(--text-0); text-decoration:none;
  border:none; padding:10px 22px; border-radius:999px; cursor:pointer;
  transition:transform .25s ease, background .25s ease;
}
.hire-btn-nav:hover{background:var(--accent-2); color:#fff; transform:translateY(-1px);}

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{width:22px; height:2px; background:var(--text-0); border-radius:2px; transition:.3s;}

/* ===================== HERO ===================== */
.hero{
  min-height:100vh;
  display:flex; align-items:center;
  padding:120px 32px 60px;
}
.hero-inner{
  max-width:var(--maxw); margin:0 auto; width:100%;
  display:grid; grid-template-columns:1.15fr .85fr; gap:60px; align-items:center;
}
.hero-eyebrow{
  font-family:var(--ff-head); font-size:14px; font-weight:600;
  color:var(--accent-2); margin-bottom:18px; letter-spacing:.02em;
}
.hero-name{
  font-family:var(--ff-head); font-weight:800;
  font-size:clamp(42px,6vw,72px); line-height:1.04; color:var(--text-0);
  margin-bottom:20px;
}
.hero-typed{
  font-family:var(--ff-head); font-size:clamp(18px,2vw,22px); font-weight:600;
  color:var(--text-1); margin-bottom:20px; min-height:30px;
}
.typed-text{color:var(--accent-2);}
.cursor{color:var(--accent-2); animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}

.hero-sub{
  font-size:16px; color:var(--text-1); max-width:480px; margin-bottom:36px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap;}

.btn{
  font-family:var(--ff-body); font-size:15px; font-weight:600;
  padding:14px 30px; border-radius:999px; border:1px solid transparent;
  cursor:pointer; transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  display:inline-block;
}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#fff;
  box-shadow:0 10px 30px -10px rgba(106,92,255,0.6);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 14px 34px -8px rgba(106,92,255,0.75);}
.btn-ghost{
  background:transparent; color:var(--text-0); border-color:var(--glass-border);
}
.btn-ghost:hover{border-color:var(--accent-2); color:var(--accent-2); transform:translateY(-2px);}

/* hero visual */
.hero-visual{position:relative; display:flex; justify-content:center; align-items:center;}
.portrait-ring{
  width:320px; height:320px; border-radius:50%;
  padding:6px;
  background:conic-gradient(from 180deg, var(--accent), var(--gold), var(--accent-2), var(--accent));
  animation:spin 10s linear infinite;
  position:relative;
}
@keyframes spin{to{transform:rotate(360deg);}}
.portrait{
  width:100%; height:100%; border-radius:50%; object-fit:cover;
  border:6px solid var(--bg-0);
  animation:counterspin 10s linear infinite;
}
@keyframes counterspin{to{transform:rotate(-360deg);}}

.orbit-card{
  position:absolute;
  background:var(--glass); border:1px solid var(--glass-border);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-radius:var(--radius-sm); padding:10px 16px;
  font-family:var(--ff-head); font-weight:700; font-size:18px; color:var(--text-0);
  display:flex; flex-direction:column; line-height:1.2;
}
.orbit-card span{font-family:var(--ff-body); font-size:11.5px; font-weight:500; color:var(--text-1);}
.orbit-card-1{top:8%; left:-6%;}
.orbit-card-2{bottom:6%; right:-8%;}

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:26px; height:40px; border:1px solid var(--glass-border); border-radius:14px;
  display:flex; justify-content:center; padding-top:7px;
}
.scroll-cue span{
  width:4px; height:8px; border-radius:2px; background:var(--accent-2);
  animation:scrollcue 1.6s ease infinite;
}
@keyframes scrollcue{
  0%{opacity:1; transform:translateY(0);}
  100%{opacity:0; transform:translateY(12px);}
}

/* ===================== ABOUT ===================== */
.about{padding:120px 0 60px;}
.about-grid{
  display:grid; grid-template-columns:1.2fr .8fr; gap:56px; align-items:start;
}
.about-text{font-size:17px; color:var(--text-1); max-width:560px;}
.about-stats{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.stat-card{
  background:var(--glass); border:1px solid var(--glass-border);
  border-radius:var(--radius); padding:22px 20px;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease, border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px); border-color:rgba(143,123,255,0.4);}
.stat-num{
  display:block; font-family:var(--ff-head); font-weight:800; font-size:32px;
  color:var(--accent-2); margin-bottom:6px;
}
.stat-label{font-size:13px; color:var(--text-1);}

/* ===================== SKILLS ===================== */
.skills{padding:60px 0;}
.skills-grid{display:flex; flex-direction:column; gap:28px; max-width:720px;}
.skill-label{
  display:flex; justify-content:space-between; margin-bottom:10px;
  font-family:var(--ff-head); font-weight:600; font-size:15px; color:var(--text-0);
}
.skill-percent{color:var(--accent-2);}
.skill-track{
  width:100%; height:8px; border-radius:99px; background:var(--bg-2);
  border:1px solid var(--glass-border); overflow:hidden;
}
.skill-fill{
  height:100%; width:0%; border-radius:99px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width 1.4s cubic-bezier(.22,1,.36,1);
}

/* ===================== PROJECTS ===================== */
.projects{padding:60px 0;}
.projects-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:26px;
}
.project-card{
  background:var(--glass); border:1px solid var(--glass-border);
  border-radius:var(--radius); padding:32px 26px;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease, border-color .3s ease, background .3s ease;
}
.project-card:hover{
  transform:translateY(-6px);
  border-color:rgba(143,123,255,0.45);
  background:rgba(255,255,255,0.07);
}
.project-icon{font-size:30px; margin-bottom:18px;}
.project-card h3{
  font-family:var(--ff-head); font-size:19px; font-weight:600; margin-bottom:10px; color:var(--text-0);
}
.project-card p{font-size:14.5px; color:var(--text-1); margin-bottom:20px;}
.project-tags{display:flex; flex-wrap:wrap; gap:8px;}
.project-tags span{
  font-size:12px; font-weight:500; color:var(--accent-2);
  border:1px solid rgba(143,123,255,0.35); border-radius:999px; padding:5px 12px;
}

/* ===================== EDUCATION ===================== */
.education{padding:60px 0;}
.timeline{position:relative; max-width:720px; padding-left:36px;}
.timeline::before{
  content:""; position:absolute; left:6px; top:6px; bottom:6px; width:1px;
  background:linear-gradient(var(--accent), transparent);
}
.timeline-item{position:relative; padding-bottom:6px;}
.timeline-dot{
  position:absolute; left:-36px; top:4px; width:13px; height:13px; border-radius:50%;
  background:var(--accent-2); box-shadow:0 0 0 4px rgba(143,123,255,0.18);
}
.timeline-content{
  background:var(--glass); border:1px solid var(--glass-border); border-radius:var(--radius);
  padding:26px 28px; backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.timeline-status{
  display:inline-block; font-size:12px; font-weight:600; color:var(--gold);
  border:1px solid rgba(201,162,39,0.4); border-radius:999px; padding:4px 12px; margin-bottom:12px;
}
.timeline-content h3{font-family:var(--ff-head); font-size:20px; font-weight:600; margin-bottom:6px;}
.timeline-place{font-size:14px; color:var(--accent-2); margin-bottom:12px;}
.timeline-desc{font-size:14.5px; color:var(--text-1);}

/* ===================== CONTACT ===================== */
.contact{padding:60px 0;}
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:56px;}
.contact-lead{font-size:16px; color:var(--text-1); margin-bottom:32px; max-width:440px;}
.contact-links{display:flex; flex-direction:column; gap:16px; margin-bottom:36px;}
.contact-link{
  display:flex; flex-direction:column; gap:2px;
  border-bottom:1px solid var(--glass-border); padding-bottom:14px; width:fit-content;
  transition:transform .2s ease;
}
.contact-link:hover{transform:translateX(4px); color:var(--accent-2);}
.contact-link-label{font-size:12px; color:var(--text-2); text-transform:uppercase; letter-spacing:.05em;}
.contact-link-value{font-size:16px; font-weight:500;}

.social-links{display:flex; gap:12px;}
.social-icon{
  width:42px; height:42px; border-radius:50%; border:1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:700; color:var(--text-1);
  transition:.25s ease;
}
.social-icon:hover{background:var(--accent); color:#fff; border-color:var(--accent); transform:translateY(-3px);}

.contact-form{
  background:var(--glass); border:1px solid var(--glass-border); border-radius:var(--radius);
  padding:34px; backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  display:flex; flex-direction:column; gap:18px;
}
.form-row{display:flex; flex-direction:column; gap:8px;}
.form-row label{font-size:13px; font-weight:600; color:var(--text-1);}
.form-row input, .form-row textarea{
  background:var(--bg-1); border:1px solid var(--glass-border); border-radius:var(--radius-sm);
  padding:13px 14px; color:var(--text-0); font-family:var(--ff-body); font-size:14.5px;
  resize:vertical; transition:border-color .25s ease;
}
.form-row input:focus, .form-row textarea:focus{outline:none; border-color:var(--accent-2);}
.form-submit{width:100%; margin-top:6px;}
.form-status{font-size:13.5px; color:var(--accent-2); min-height:18px;}

/* ===================== FOOTER ===================== */
.footer{padding:44px 0; border-top:1px solid var(--glass-border);}
.footer-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
}
.footer-text{font-size:13.5px; color:var(--text-2);}
.back-top{font-size:13.5px; color:var(--text-1); transition:color .2s ease;}
.back-top:hover{color:var(--accent-2);}

/* ===================== RESPONSIVE ===================== */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr; text-align:center;}
  .hero-sub{margin-left:auto; margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-visual{order:-1; margin-bottom:20px;}
  .about-grid{grid-template-columns:1fr;}
  .about-text{max-width:none;}
  .projects-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
}

@media (max-width:720px){
  .nav-links{
    position:fixed; top:64px; left:0; right:0;
    background:rgba(8,8,11,0.96); backdrop-filter:blur(16px);
    flex-direction:column; align-items:center; gap:0;
    max-height:0; overflow:hidden; transition:max-height .35s ease;
    border-bottom:1px solid var(--glass-border);
  }
  .nav-links.open{max-height:320px;}
  .nav-links a{padding:16px 0; width:100%; text-align:center; border-bottom:1px solid var(--glass-border);}
  .hire-btn-nav{display:none;}
  .nav-toggle{display:flex;}
  .projects-grid{grid-template-columns:1fr;}
  .orbit-card{display:none;}
  .portrait-ring{width:220px; height:220px;}
}

@media (max-width:480px){
  .section-inner{padding:0 20px;}
  .nav-inner{padding:0 20px;}
  .hero{padding:110px 20px 50px;}
  .about-stats{grid-template-columns:1fr;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}