/* ============================================================
   Saqlain Jamil – iOS Developer Portfolio
   Professional Dark Theme with Animations
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Fira+Code:wght@400;500&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Palette */
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #12121a;
  --bg-card:       #1a1a28;
  --bg-card-hover: #22223a;

  --accent:        #6c63ff;
  --accent-light:  #8b83ff;
  --accent-glow:   rgba(108, 99, 255, .35);
  --accent-2:      #00d4aa;
  --accent-2-glow: rgba(0, 212, 170, .30);

  --text-primary:   #e8e6f0;
  --text-secondary: #9e9bb3;
  --text-muted:     #6b6884;

  --border:         rgba(255,255,255,.06);

  /* Sizing */
  --max-w:    1200px;
  --nav-h:    72px;
  --radius:   14px;
  --radius-sm:8px;

  /* Transitions */
  --ease-out: cubic-bezier(.22,1,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a { color:var(--accent-light); text-decoration:none; transition:color .3s; }
a:hover { color:var(--accent-2); }
img { display:block; max-width:100%; }
ul { list-style:none; }

/* ---------- Utility ---------- */
.container { width:90%; max-width:var(--max-w); margin:0 auto; }
.section { padding:100px 0; position:relative; }
.section-title {
  font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:800;
  margin-bottom:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.section-subtitle {
  color:var(--text-secondary);
  font-size:1.05rem;
  margin-bottom:56px;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity:0;
  transform:translateY(40px);
  transition:opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.visible {
  opacity:1;
  transform:translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position:fixed; top:0; left:0; width:100%; height:var(--nav-h);
  display:flex; align-items:center; justify-content:center;
  z-index:1000;
  background:rgba(10,10,15,.75);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:background .4s, box-shadow .4s;
}
.navbar.scrolled {
  background:rgba(10,10,15,.92);
  box-shadow:0 4px 30px rgba(0,0,0,.4);
}
.nav-inner {
  width:90%; max-width:var(--max-w);
  display:flex; align-items:center; justify-content:space-between;
}
.nav-logo {
  font-size:1.35rem; font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-.5px;
}
.nav-links { display:flex; gap:32px; }
.nav-links a {
  color:var(--text-secondary); font-size:.88rem; font-weight:500;
  position:relative; padding:4px 0; transition:color .3s;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px;
  background:var(--accent); border-radius:2px; transition:width .35s var(--ease-out);
}
.nav-links a:hover { color:var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width:100%; }

/* Mobile hamburger */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; z-index:1001; background:none; border:none; padding:4px; }
.hamburger span { display:block; width:26px; height:2.5px; background:var(--text-primary); border-radius:4px; transition:all .3s; }
.hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height:100vh; display:flex; align-items:center;
  padding-top:var(--nav-h); position:relative; overflow:hidden;
}
.hero::before {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 600px 500px at 20% 50%, var(--accent-glow), transparent),
    radial-gradient(ellipse 500px 400px at 80% 30%, var(--accent-2-glow), transparent);
  pointer-events:none;
  animation:heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0%  { opacity:.6; }
  100%{ opacity:1; }
}
.hero-inner {
  display:flex; align-items:center; gap:60px;
  width:90%; max-width:var(--max-w); margin:0 auto;
  position:relative; z-index:1;
}
.hero-text { flex:1; }
.hero-tag {
  display:inline-flex; align-items:center; gap:8px;
  font-size:.82rem; font-weight:600; color:var(--accent);
  background:rgba(108,99,255,.1); padding:6px 14px; border-radius:20px;
  margin-bottom:20px;
  border:1px solid rgba(108,99,255,.25);
}
.hero-tag .dot { width:8px; height:8px; border-radius:50%; background:var(--accent-2); animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:.5; transform:scale(1.4); } }
.hero-name {
  font-size:clamp(2.6rem,6vw,4.2rem); font-weight:900;
  line-height:1.1; margin-bottom:14px;
}
.hero-name span { color:var(--accent); }
.hero-role {
  font-size:clamp(1.1rem,2.5vw,1.5rem); color:var(--text-secondary);
  margin-bottom:24px; font-weight:400;
}
.hero-desc {
  color:var(--text-secondary); font-size:1rem; max-width:540px;
  margin-bottom:36px; line-height:1.8;
}
.hero-btns { display:flex; gap:16px; flex-wrap:wrap; }
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 30px; border-radius:10px;
  font-size:.92rem; font-weight:600; border:none; cursor:pointer;
  transition:all .35s var(--ease-out);
}
.btn-primary {
  background:linear-gradient(135deg,var(--accent),#9b59ff);
  color:#fff;
  box-shadow:0 4px 25px var(--accent-glow);
}
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 8px 35px var(--accent-glow); }
.btn-outline {
  background:transparent; color:var(--text-primary);
  border:1.5px solid rgba(255,255,255,.15);
}
.btn-outline:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-3px); }

/* Hero image */
.hero-image { flex:0 0 320px; position:relative; }
.hero-img-wrapper {
  width:300px; height:300px; border-radius:50%;
  overflow:hidden; position:relative;
  border:3px solid rgba(108,99,255,.3);
  box-shadow:0 0 60px var(--accent-glow);
  animation:float 6s ease-in-out infinite;
}
@keyframes float {
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-18px); }
}
.hero-img-wrapper img { width:100%; height:100%; object-fit:cover; }

/* Floating badges */
.floating-badge {
  position:absolute; padding:8px 16px;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:10px; font-size:.78rem; font-weight:600;
  color:var(--text-primary); white-space:nowrap;
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  animation:floatBadge 5s ease-in-out infinite;
}
.floating-badge.b1 { top:10px; right:-30px; animation-delay:0s; }
.floating-badge.b2 { bottom:20px; left:-20px; animation-delay:1.5s; }
.floating-badge.b3 { top:50%; right:-50px; animation-delay:3s; }
@keyframes floatBadge {
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-10px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
}
.about-text p { color:var(--text-secondary); font-size:1rem; margin-bottom:18px; line-height:1.85; }
.about-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:30px; }
.stat-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:24px; text-align:center;
  transition:transform .4s var(--ease-out), box-shadow .4s;
}
.stat-card:hover { transform:translateY(-5px); box-shadow:0 12px 40px rgba(0,0,0,.3); }
.stat-number {
  font-size:1.8rem; font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.stat-label { font-size:.78rem; color:var(--text-muted); margin-top:4px; text-transform:uppercase; letter-spacing:1px; }

/* About info list */
.about-info-list { display:flex; flex-direction:column; gap:16px; }
.about-info-item {
  display:flex; align-items:center; gap:14px;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:18px 22px;
  transition:transform .35s var(--ease-out), border-color .35s;
}
.about-info-item:hover { transform:translateX(6px); border-color:var(--accent); }
.about-info-item .icon {
  width:42px; height:42px; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:rgba(108,99,255,.12); color:var(--accent); font-size:1.15rem;
}
.about-info-item .info-label { font-size:.75rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.8px; }
.about-info-item .info-value { font-size:.95rem; color:var(--text-primary); font-weight:500; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:24px;
}
.skill-category {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:32px;
  transition:transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
}
.skill-category:hover { transform:translateY(-6px); box-shadow:0 16px 50px rgba(0,0,0,.3); border-color:var(--accent); }
.skill-cat-header { display:flex; align-items:center; gap:14px; margin-bottom:22px; }
.skill-cat-icon {
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem;
}
.skill-cat-icon.lang { background:rgba(108,99,255,.15); color:var(--accent); }
.skill-cat-icon.frame { background:rgba(0,212,170,.15); color:var(--accent-2); }
.skill-cat-icon.tools { background:rgba(255,159,67,.15); color:#ff9f43; }
.skill-cat-icon.soft { background:rgba(255,107,129,.15); color:#ff6b81; }
.skill-cat-icon.plat { background:rgba(72,219,251,.15); color:#48dbfb; }
.skill-cat-title { font-size:1.1rem; font-weight:700; }
.skill-tags { display:flex; flex-wrap:wrap; gap:10px; }
.skill-tag {
  padding:7px 16px; border-radius:8px; font-size:.82rem; font-weight:500;
  background:rgba(255,255,255,.04); border:1px solid var(--border);
  color:var(--text-secondary);
  transition:all .3s;
}
.skill-tag:hover { background:rgba(108,99,255,.12); border-color:var(--accent); color:var(--text-primary); transform:translateY(-2px); }

/* ============================================================
   EXPERIENCE
   ============================================================ */
.timeline { position:relative; padding-left:40px; }
.timeline::before {
  content:''; position:absolute; top:0; bottom:0; left:14px;
  width:2px; background:linear-gradient(180deg,var(--accent),var(--accent-2));
  border-radius:2px;
}
.timeline-item { position:relative; margin-bottom:48px; }
.timeline-item:last-child { margin-bottom:0; }
.timeline-dot {
  position:absolute; top:8px; left:-33px;
  width:16px; height:16px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 20px var(--accent-glow);
  border:3px solid var(--bg-primary);
}
.timeline-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:32px;
  transition:transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
}
.timeline-card:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(0,0,0,.3); border-color:var(--accent); }
.timeline-header { display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:10px; margin-bottom:16px; }
.timeline-role { font-size:1.2rem; font-weight:700; }
.timeline-company { color:var(--accent); font-weight:600; }
.timeline-date { font-size:.82rem; color:var(--text-muted); }
.timeline-loc { font-size:.82rem; color:var(--text-muted); }
.timeline-resp { margin-top:14px; }
.timeline-resp li {
  position:relative; padding-left:20px; color:var(--text-secondary); font-size:.92rem;
  margin-bottom:10px; line-height:1.7;
}
.timeline-resp li::before {
  content:'▹'; position:absolute; left:0; color:var(--accent);
  font-weight:700;
}
.timeline-achievements { margin-top:18px; padding-top:16px; border-top:1px solid var(--border); }
.timeline-achievements h4 { font-size:.85rem; text-transform:uppercase; letter-spacing:1px; color:var(--accent-2); margin-bottom:10px; }
.timeline-achievements li {
  position:relative; padding-left:24px; color:var(--text-secondary); font-size:.9rem;
  margin-bottom:8px; line-height:1.7;
}
.timeline-achievements li::before { content:'★'; position:absolute; left:0; color:var(--accent-2); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(350px,1fr)); gap:28px;
}
.project-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); overflow:hidden;
  transition:transform .45s var(--ease-out), box-shadow .45s, border-color .45s;
  display:flex; flex-direction:column;
}
.project-card:hover { transform:translateY(-8px); box-shadow:0 20px 60px rgba(0,0,0,.35); border-color:var(--accent); }
.project-card-header {
  padding:28px 28px 0; display:flex; align-items:center; gap:14px;
}
.project-icon {
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.4rem;
}
.project-icon.featured { background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; }
.project-icon.extra { background:rgba(108,99,255,.12); color:var(--accent); }
.project-badge {
  font-size:.68rem; font-weight:700; text-transform:uppercase;
  padding:4px 10px; border-radius:6px;
  background:rgba(108,99,255,.12); color:var(--accent); letter-spacing:.5px;
}
.project-card-body { padding:20px 28px 28px; flex:1; display:flex; flex-direction:column; }
.project-card-body h3 { font-size:1.15rem; font-weight:700; margin-bottom:10px; }
.project-card-body p { color:var(--text-secondary); font-size:.9rem; line-height:1.75; flex:1; }
.project-tech { display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.project-tech span {
  padding:5px 12px; border-radius:6px; font-size:.75rem; font-weight:500;
  background:rgba(255,255,255,.04); border:1px solid var(--border); color:var(--text-muted);
}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(350px,1fr)); gap:24px; }
.edu-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:32px;
  transition:transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
}
.edu-card:hover { transform:translateY(-5px); box-shadow:0 14px 45px rgba(0,0,0,.3); border-color:var(--accent); }
.edu-icon {
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(108,99,255,.12); color:var(--accent); font-size:1.3rem;
  margin-bottom:18px;
}
.edu-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:6px; }
.edu-card .edu-inst { color:var(--accent); font-weight:600; font-size:.92rem; margin-bottom:8px; }
.edu-card .edu-date { font-size:.82rem; color:var(--text-muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section { background:var(--bg-secondary); }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.contact-info { display:flex; flex-direction:column; gap:24px; }
.contact-item {
  display:flex; align-items:center; gap:16px;
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:20px 24px;
  transition:transform .35s var(--ease-out), border-color .35s;
}
.contact-item:hover { transform:translateX(6px); border-color:var(--accent); }
.contact-icon {
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(108,99,255,.12); color:var(--accent); font-size:1.15rem; flex-shrink:0;
}
.contact-item .c-label { font-size:.75rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.8px; }
.contact-item .c-value { font-size:.95rem; font-weight:500; color:var(--text-primary); }

/* Contact form */
.contact-form { display:flex; flex-direction:column; gap:18px; }
.form-group { display:flex; flex-direction:column; gap:6px; }
.form-group label { font-size:.82rem; color:var(--text-secondary); font-weight:500; }
.form-group input,
.form-group textarea {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:14px 18px;
  color:var(--text-primary); font-family:inherit; font-size:.92rem;
  transition:border-color .3s, box-shadow .3s;
  outline:none; resize:vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height:130px; }
.btn-submit {
  align-self:flex-start;
  padding:14px 36px; border-radius:10px;
  font-size:.92rem; font-weight:600; border:none; cursor:pointer;
  background:linear-gradient(135deg,var(--accent),#9b59ff);
  color:#fff; box-shadow:0 4px 25px var(--accent-glow);
  transition:all .35s var(--ease-out);
}
.btn-submit:hover { transform:translateY(-3px); box-shadow:0 8px 35px var(--accent-glow); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding:32px 0; text-align:center;
  border-top:1px solid var(--border);
}
.footer-socials { display:flex; justify-content:center; gap:20px; margin-bottom:18px; }
.footer-socials a {
  width:42px; height:42px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-secondary); font-size:1.1rem;
  transition:all .3s;
}
.footer-socials a:hover { background:var(--accent); color:#fff; border-color:var(--accent); transform:translateY(-3px); }
.footer p { color:var(--text-muted); font-size:.82rem; }

/* ============================================================
   SCROLL-TO-TOP
   ============================================================ */
.scroll-top {
  position:fixed; bottom:32px; right:32px;
  width:46px; height:46px; border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#9b59ff);
  color:#fff; font-size:1.2rem;
  display:flex; align-items:center; justify-content:center;
  border:none; cursor:pointer;
  opacity:0; visibility:hidden;
  transform:translateY(20px);
  transition:all .4s var(--ease-out);
  box-shadow:0 6px 24px var(--accent-glow);
  z-index:999;
}
.scroll-top.visible { opacity:1; visibility:visible; transform:translateY(0); }
.scroll-top:hover { transform:translateY(-3px); }

/* ============================================================
   CUSTOM CURSOR TRAIL (canvas overlay)
   ============================================================ */
#cursor-canvas {
  position:fixed; inset:0; pointer-events:none; z-index:9999;
}

/* ============================================================
   PARTICLES BG
   ============================================================ */
#particles-canvas {
  position:fixed; inset:0; pointer-events:none; z-index:0;
}

/* ============================================================
   LANGUAGES SECTION
   ============================================================ */
.lang-grid { display:flex; gap:24px; flex-wrap:wrap; }
.lang-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:28px 36px;
  text-align:center; min-width:200px; flex:1;
  transition:transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
}
.lang-card:hover { transform:translateY(-5px); box-shadow:0 14px 45px rgba(0,0,0,.3); border-color:var(--accent); }
.lang-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:6px; }
.lang-card p { color:var(--text-secondary); font-size:.88rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:992px) {
  .hero-inner { flex-direction:column-reverse; text-align:center; }
  .hero-text { align-items:center; display:flex; flex-direction:column; }
  .hero-desc { text-align:center; }
  .hero-image { flex:0 0 auto; }
  .about-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
}
@media(max-width:768px) {
  .nav-links {
    position:fixed; top:0; right:-100%; width:280px; height:100vh;
    background:var(--bg-secondary); flex-direction:column; padding:100px 40px 40px;
    gap:28px; transition:right .4s var(--ease-out);
    border-left:1px solid var(--border);
    box-shadow:-10px 0 40px rgba(0,0,0,.5);
  }
  .nav-links.open { right:0; }
  .nav-links a { font-size:1.05rem; }
  .hamburger { display:flex; }
  .hero-img-wrapper { width:220px; height:220px; }
  .floating-badge { display:none; }
  .projects-grid { grid-template-columns:1fr; }
  .edu-grid { grid-template-columns:1fr; }
  .skills-grid { grid-template-columns:1fr; }
  .about-stats { grid-template-columns:repeat(3,1fr); }
  .section { padding:70px 0; }
}
@media(max-width:480px) {
  .about-stats { grid-template-columns:1fr; }
  .hero-btns { flex-direction:column; align-items:center; }
}