/* style.css — Dark, minimalist portfolio with OrangeRed accent */
:root{
  --bg:#0f1720; /* deep charcoal/navy */
  --card:#0b1116;
  --muted:#98a1ad;
  --accent:#FF4500; /* OrangeRed */
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --max-width:1100px;
  --ff: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg),#071018 120%);
  color:#e6eef6;
  font-family:var(--ff);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:var(--max-width);margin:0 auto;padding:2rem}
.header{
  position:fixed;inset:0 0 auto 0;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;
  padding:1rem 2rem;background:transparent;z-index:50;backdrop-filter:blur(6px)
}
.logo{color:#fff;text-decoration:none;font-weight:700;letter-spacing:1px}
.logo span{color:var(--accent)}
.nav{display:flex;gap:1rem;align-items:center}
.nav-link{color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:8px;transition:all .2s}
.nav-link:hover,.nav-link.active{color:#fff;background:var(--glass);box-shadow:0 6px 18px rgba(0,0,0,.5)}
.contact-btn{background:var(--accent);color:#071018;border:none;padding:.55rem .85rem;border-radius:10px;font-weight:600;cursor:pointer}
.menu-toggle{display:none;background:transparent;border:0;color:var(--muted);font-size:1.25rem}

/* Hero */
.hero{padding:8rem 0 4rem}
.hero-grid{display:grid;grid-template-columns:1fr 480px;gap:2rem;align-items:center}
.hero-content{display:flex;flex-direction:column;gap:.75rem}

.hero-media{display:flex;align-items:center;justify-content:center}
.eyebrow{color:var(--accent);font-weight:600;margin:0 0 .5rem}
h1{font-size:2rem;margin:.2rem 0;color:#fff}

.sub{color:var(--muted);margin:.4rem 0 1rem;font-weight:500}
.lead{color:#cfe6ff;opacity:.9}
.cta{margin-top:1rem;display:flex;gap:.75rem;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;padding:.6rem 1rem;border-radius:10px;font-weight:600;border:2px solid transparent}
.btn.primary{background:var(--accent);color:#071018}
.btn.outline{background:transparent;border-color:var(--accent);color:var(--accent)}

.profile-card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:1.25rem;border-radius:var(--radius);display:flex;gap:1rem;align-items:center;box-shadow:0 10px 34px rgba(3,7,10,.6);position:relative;z-index:20}
.profile-img{width:120px;height:120px;border-radius:14px;object-fit:cover;border:2px solid rgba(255,255,255,.04)}
.profile-meta p{margin:0;color:var(--muted)}
.tags{display:flex;gap:.5rem;margin-top:.5rem}
.tags span{background:rgba(255,255,255,0.03);padding:.25rem .5rem;border-radius:8px;font-size:.85rem;color:var(--muted)}

/* Avatar mask SVG sizing */
.avatar-mask{width:240px;height:240px}

/* Lottie (hero) bigger to match avatar scale */
.lottie-hero{width:160px;height:160px}

/* Skill icon card: a rounded square behind icons for visual separation */
.skill-icon-card{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* Per-skill color variants (subtle backgrounds + matching icon color) */
.skill-python .skill-icon-card{background:rgba(55,118,171,0.08);color:#3776AB}
.skill-frameworks .skill-icon-card{background:rgba(255,111,0,0.08);color:#FF6F00}
.skill-data .skill-icon-card{background:rgba(13,183,166,0.08);color:#0DB7A6}
.skill-git .skill-icon-card{background:rgba(240,80,50,0.08);color:#F05032}

/* Slightly larger icon inside the icon card */
.skill-icon-card i{font-size:1.5rem}

/* Adjust skill-card spacing to accommodate icon card */
.skill-card{background:var(--card);padding:1rem;border-radius:12px;display:flex;align-items:center;gap:1rem}
.skill-card h4{margin:0}
.skill-card p{margin:0;color:var(--muted)}

/* project thumb images */
.thumb img{width:100%;height:100%;object-fit:cover;border-radius:10px;display:block}

/* make profile card a bit wider so student card is clearer */
.profile-card{width:420px;max-width:100%}

/* Responsive tweaks */
@media (max-width:900px){
  .avatar-mask{width:140px;height:140px}
  .profile-card{width:100%;padding:1rem}
  h1{font-size:1.6rem}
  .hero{padding:5rem 0 2rem}
  .hero-grid{grid-template-columns:1fr}
  .lottie-hero{width:96px;height:96px}
}

@media (max-width:640px){
  .container{padding:1.5rem 1.25rem}
  .hero-content{text-align:center;align-items:center}
  .hero-content .cta{flex-direction:column;width:100%;align-items:stretch}
  .hero-content .btn{width:100%}
  .profile-card{margin-top:1.5rem;justify-content:center;flex-wrap:wrap}
  .profile-card .avatar-mask{margin:0 auto}
  .about, .skills, .projects, .contact{padding:2rem 0}
  .form-row{flex-direction:column}
  .contact-form{padding:1.25rem}
  .contact-grid{gap:1.5rem}
}

/* Header actions */
.header-actions{display:flex;gap:.6rem;align-items:center}
.tone-toggle{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted);padding:.4rem .6rem;border-radius:8px;cursor:pointer}

/* Lottie container (optional) */
.lottie-hero{width:120px;height:120px}

/* Project thumbnails (animated look via CSS gradients/transforms) */
.thumb{width:100%;height:120px;border-radius:10px;margin-bottom:.65rem;background:linear-gradient(120deg, rgba(255,69,0,0.06), rgba(255,255,255,0.02));overflow:hidden;position:relative}
.thumb-anim{background-image:linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.08), rgba(255,255,255,0.02));background-size:200% 100%;animation:slide 4s linear infinite}
.thumb-code{background-image:repeating-linear-gradient(90deg, rgba(255,255,255,0.02) 0 6px, transparent 6px 12px);background-size:100% 100%;}
.thumb-grid{background-image:radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);background-size:24px 24px}

@keyframes slide{0%{background-position:0 0}100%{background-position:-200% 0}}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(3,7,10,0.6);display:none;align-items:center;justify-content:center;z-index:999}
.modal[aria-hidden="false"]{display:flex}
.modal-content{background:var(--card);padding:1.25rem;border-radius:12px;max-width:900px;width:95%;box-shadow:0 20px 60px rgba(0,0,0,.6);position:relative}
.modal-close{position:absolute;right:12px;top:12px;background:transparent;border:0;color:var(--muted);font-size:20px;cursor:pointer}
.modal-media{height:260px;background:#061017;border-radius:8px;margin-bottom:.75rem;display:flex;align-items:center;justify-content:center}
.code-block{background:#071018;padding:1rem;border-radius:8px;color:#cfe6ff;overflow:auto}

/* small screens tweaks for modal */
@media (max-width:640px){.modal-media{height:180px}}

/* Hero background visual layers */
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.hero .container{position:relative;z-index:5}
.ai-wave{position:absolute;left:0;top:0;width:120%;height:360px;opacity:.12;transform:translateY(-20%);animation:waveShift 12s linear infinite}
.ai-particles{position:absolute;inset:0;background-image:radial-gradient(rgba(255,69,0,0.06) 1px, transparent 1px), radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);background-size:120px 120px, 48px 48px;opacity:.06;mix-blend-mode:screen;animation:particles 18s linear infinite}

.badge{display:inline-block;margin-left:8px;background:rgba(255,69,0,0.12);color:var(--accent);padding:.35rem .6rem;border-radius:999px;font-weight:600;font-size:.85rem;align-self:center}

@keyframes waveShift{from{transform:translateX(0) translateY(-20%)}to{transform:translateX(-8%) translateY(-18%)}}
@keyframes particles{0%{background-position:0 0,0 0}50%{background-position:60px 40px,24px 18px}100%{background-position:0 0,0 0}}

/* Ensure hero area keeps visual space for absolute layers */
.hero{position:relative;overflow:hidden}

/* Neural network overlay */
.ai-network{position:absolute;left:50%;top:20%;width:1400px;height:600px;opacity:.08;transform:translateX(-45%) translateY(-5%) scale(1);pointer-events:none;z-index:1;transition:transform .2s linear}
.ai-network .line{filter:blur(.2px)}
.ai-network .node{fill:var(--accent);opacity:.75;transition:opacity .3s, transform .3s}

/* Subtle node pulse */
@keyframes nodePulse{0%{transform:scale(.95);opacity:.7}50%{transform:scale(1.15);opacity:1}100%{transform:scale(.95);opacity:.7}}
.ai-network .node{animation:nodePulse 4s ease-in-out infinite}

/* Hover lift for project cards */
.project-card{transition:transform .25s, box-shadow .25s}
.project-card:hover{box-shadow:0 18px 40px rgba(3,7,10,.6)}

/* About */
.about{padding:3.5rem 0}
.about-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,0.8fr);gap:2.5rem;align-items:start}
.about-text h2{margin:0 0 .5rem}
.about-text p{color:var(--muted)}
.about-list{margin-top:1rem;color:var(--muted);list-style:none;padding:0}
.about-list li{margin:.4rem 0}
.about-stats{display:grid;grid-template-columns:1fr;gap:1.25rem}
.stat{background:var(--card);padding:1rem;border-radius:12px;text-align:center}
.stat h3{margin:0;color:var(--accent)}
.stat p{margin:.25rem 0 0;color:var(--muted)}

/* Skills */
.skills{padding:2rem 0}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.skill-card{background:var(--card);padding:1rem;border-radius:12px;display:flex;align-items:center;gap:1rem}
.skill-icon{font-size:2rem;color:var(--accent)}
.skill-card h4{margin:0}
.skill-card p{margin:0;color:var(--muted)}

/* Projects */
.projects{padding:2.5rem 0}
.section-intro{color:var(--muted)}
.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1rem}
.project-card{background:linear-gradient(180deg, rgba(255,255,255,0.015), transparent);padding:1rem;border-radius:12px;display:flex;flex-direction:column;justify-content:space-between;min-height:200px}
.project-head h3{margin:.2rem 0}.project-head .muted{color:var(--muted);font-size:.95rem}
.project-cta{display:flex;gap:.5rem;margin-top:1rem}
.project-card.dim{opacity:.9}

/* Contact */
.contact{padding:2.5rem 0}
.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:start}
.contact-info h2{margin:0 0 .5rem}
.social-row{display:flex;gap:1rem;margin-top:1rem}
.social-row a{color:var(--muted);font-size:1.25rem}
.contact-form{background:var(--card);padding:1rem;border-radius:12px}
.form-row{display:flex;gap:1rem}
.form-row input{flex:1;padding:.6rem;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}
textarea{width:100%;padding:.75rem;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit;margin-top:.7rem}
.btn.submit{width:100%;margin-top:.75rem}
.form-status{margin-top:.5rem;font-size:.9rem;color:var(--muted);min-height:1.2em}
.form-status.success{color:#2dd4bf}
.form-status.error{color:#ff6b6b}

/* Footer */
.footer{padding:1.25rem 0;border-top:1px solid rgba(255,255,255,0.03);margin-top:2rem}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo.small{font-size:.95rem}
.social-footer a{color:var(--muted);margin-left:.6rem}

/* Small screens */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav{position:fixed;right:0;top:64px;background:linear-gradient(180deg, rgba(11,17,22,0.96), rgba(11,17,22,0.98));padding:1rem;border-radius:12px;margin:0 1rem;flex-direction:column;display:none}
  .nav.open{display:flex}
  .menu-toggle{display:block}
  .contact-btn{display:none}
}

/* micro interactions */
.nav-link:active,.btn:active{transform:translateY(1px)}
.project-card:hover{transform:translateY(-6px);transition:transform .25s}
.profile-card{transition:transform .3s}
.profile-card:hover{transform:translateY(-6px)}

/* reveal animation */
.reveal{opacity:1;transform:none;transition:all .6s cubic-bezier(.2,.9,.2,1)}
.container > *{opacity:1;transform:none;transition:all .6s cubic-bezier(.2,.9,.2,1);}
/* Note: don't hide content by default so layout still shows without JS. Use the
  .reveal class to enhance elements when the observer is available. */

/* Accessibility tweaks */
a:focus,button:focus,input:focus,textarea:focus{outline:2px solid rgba(255,69,0,0.25);outline-offset:2px}

/* Utility */
.muted{color:var(--muted)}

/* end */