/* ── Self-hosted fonts ── */
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url('../fonts/inter-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/jetbrains-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ── SVG icon system ── */
.icon{display:inline-flex;width:1em;height:1em;fill:currentColor;vertical-align:-.125em;flex-shrink:0}

/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1e293b;background:#fff;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}

/* ── Colours ── */
:root{
  --accent:#2563eb;
  --accent-light:#3b82f6;
  --accent-bg:rgba(37,99,235,.06);
  --dark:#0f172a;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-400:#94a3b8;
  --gray-600:#475569;
  --gray-800:#1e293b;
  --radius:12px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 24px rgba(0,0,0,.04);
  --shadow-lg:0 8px 40px rgba(0,0,0,.08);
}

/* ── Container ── */
.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}

/* ── Navbar ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 0;transition:all .3s}
.navbar.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:var(--shadow);padding:.6rem 0}
.nav-container{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-weight:700;font-size:1.25rem;color:#fff;background:var(--accent);width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:10px}
.navbar.scrolled .nav-logo{color:#fff}
.nav-links{display:flex;gap:1.8rem}
.nav-links a{font-size:.875rem;font-weight:500;color:rgba(255,255,255,.85);transition:color .2s}
.nav-links a:hover{color:#fff}
.navbar.scrolled .nav-links a{color:var(--gray-600)}
.navbar.scrolled .nav-links a:hover{color:var(--accent)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.navbar.scrolled .nav-toggle span{background:var(--gray-800)}

/* ── Hero ── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#1e293b 100%);color:#fff;overflow:hidden;padding:2rem}
.hero-bg-shapes{position:absolute;inset:0;pointer-events:none}
.shape{position:absolute;border-radius:50%;opacity:.07;background:#fff}
.shape-1{width:600px;height:600px;top:-200px;right:-100px}
.shape-2{width:400px;height:400px;bottom:-100px;left:-50px}
.shape-3{width:200px;height:200px;top:40%;left:60%;background:var(--accent);opacity:.12}
.hero-content{position:relative;z-index:1}
.hero-avatar{width:140px;height:140px;margin:0 auto 1.5rem;border-radius:50%;overflow:hidden;border:4px solid rgba(255,255,255,.2);box-shadow:0 0 40px rgba(37,99,235,.3)}
.hero-avatar img{width:100%;height:100%;object-fit:cover}
.hero-name{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;letter-spacing:-.02em;margin-bottom:.4rem}
.hero-name .accent{color:var(--accent-light)}
.hero-title{font-size:1.25rem;font-weight:400;color:rgba(255,255,255,.8);margin-bottom:.6rem}
.hero-subtitle{font-size:.95rem;color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 2rem}
.hero-social{display:flex;gap:1rem;justify-content:center;margin-bottom:3rem}
.hero-social a{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.3);border-radius:50%;font-size:1.1rem;color:rgba(255,255,255,.85);transition:all .25s}
.hero-social a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-3px)}
.hero-scroll{display:inline-flex;color:rgba(255,255,255,.6);font-size:1.2rem;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ── Sections ── */
.section{padding:5rem 0}
.section-alt{background:var(--gray-50)}
.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:.5rem;letter-spacing:-.02em}
.section-title::after{content:'';display:block;width:48px;height:3px;background:var(--accent);margin:1rem auto 0;border-radius:2px}
.section-desc{text-align:center;color:var(--gray-600);max-width:540px;margin:1rem auto 2.5rem;font-size:.95rem}
.section-desc a{color:var(--accent);font-weight:500}
.subsection-title{font-size:1.15rem;font-weight:600;margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem;color:var(--gray-800)}
.subsection-title i{color:var(--accent)}

/* ── About ── */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:3rem;margin-top:2.5rem}
.about-text p{margin-bottom:1rem;color:var(--gray-600);font-size:.95rem}
.about-text strong{color:var(--gray-800)}
.detail-list{display:flex;flex-direction:column;gap:1rem}
.detail-list li{display:flex;align-items:flex-start;gap:.8rem;font-size:.9rem;color:var(--gray-600)}
.detail-list li i{color:var(--accent);width:18px;text-align:center;margin-top:3px;flex-shrink:0}
.detail-list li span{display:flex;flex-direction:column}
.detail-list li strong{color:var(--gray-800);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:1px}

/* ── Timeline ── */
.timeline{position:relative;padding-left:2rem}
.timeline::before{content:'';position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--gray-200)}
.tl-item{position:relative;margin-bottom:2.5rem;opacity:0;transform:translateY(20px);transition:all .5s ease}
.tl-item.visible{opacity:1;transform:translateY(0)}
.tl-dot{position:absolute;left:-2rem;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent);z-index:1;transition:background .3s}
.tl-item:hover .tl-dot{background:var(--accent)}
.tl-content{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;transition:box-shadow .3s}
.tl-item:hover .tl-content{box-shadow:var(--shadow-lg)}
.tl-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.8rem;flex-wrap:wrap}
.tl-header h3{font-size:1.1rem;font-weight:600;color:var(--gray-800)}
.tl-company{font-size:.9rem;color:var(--accent);font-weight:500}
.tl-date{font-size:.8rem;color:var(--gray-600);white-space:nowrap;font-weight:500;flex-shrink:0}
.tl-content ul{margin-bottom:.8rem}
.tl-content li{font-size:.88rem;color:var(--gray-600);padding-left:1rem;position:relative;margin-bottom:.35rem}
.tl-content li::before{content:'';position:absolute;left:0;top:.55em;width:5px;height:5px;border-radius:50%;background:var(--gray-400)}
.tl-content li strong{color:var(--gray-800)}
.tl-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.tl-tags span{font-size:.72rem;font-weight:500;padding:.2rem .6rem;border-radius:20px;background:var(--accent-bg);color:var(--accent)}

/* ── Skills ── */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.skill-category{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;opacity:0;transform:translateY(20px);transition:all .5s ease}
.skill-category.visible{opacity:1;transform:translateY(0)}
.skill-category:hover{box-shadow:var(--shadow-lg);border-color:transparent}
.skill-category h3{font-size:.95rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.skill-category h3 i{color:var(--accent)}
.skill-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.skill-tags span{font-size:.78rem;font-weight:500;padding:.3rem .7rem;border-radius:20px;background:var(--gray-100);color:var(--gray-600);transition:all .2s}
.skill-tags span:hover{background:var(--accent);color:#fff}

/* ── Education ── */
.education-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.edu-card{text-align:center;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:2rem 1.5rem;opacity:0;transform:translateY(20px);transition:all .5s ease}
.edu-card.visible{opacity:1;transform:translateY(0)}
.edu-card:hover{box-shadow:var(--shadow-lg);border-color:transparent}
.edu-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--accent-bg);color:var(--accent);border-radius:50%;margin:0 auto 1rem;font-size:1.3rem}
.edu-card h3{font-size:1rem;font-weight:600;margin-bottom:.3rem}
.edu-school{color:var(--accent);font-weight:500;font-size:.9rem}
.edu-period{color:var(--gray-600);font-size:.8rem;margin-top:.2rem}

/* ── Projects ── */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem}
.project-card{display:block;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;opacity:0;transform:translateY(20px);transition:all .4s ease;cursor:default}
a.project-card{cursor:pointer}
.project-card.visible{opacity:1;transform:translateY(0)}
.project-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-2px) !important}
.project-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.8rem;color:var(--accent);font-size:1.2rem}
.project-stars{font-size:.78rem;color:var(--gray-600);display:flex;align-items:center;gap:.3rem}
.project-stars i{color:#eab308;font-size:.7rem}
.project-card h4{font-size:1rem;font-weight:600;margin-bottom:.4rem;font-family:'JetBrains Mono','Fira Code',monospace}
.project-card p{font-size:.85rem;color:var(--gray-600);margin-bottom:.8rem}

/* ── Volunteer ── */
.volunteer-list{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}
.volunteer-item{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:1rem 1.2rem;font-size:.88rem;color:var(--gray-600)}
.volunteer-item strong{color:var(--gray-800)}
.volunteer-item a{color:var(--accent);font-weight:500}

/* ── Blog ── */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem}
.blog-card{display:block;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:1.5rem;opacity:0;transform:translateY(20px);transition:all .4s ease}
.blog-card.visible{opacity:1;transform:translateY(0)}
.blog-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-2px) !important}
.blog-meta{display:flex;gap:.6rem;margin-bottom:.6rem}
.blog-date,.blog-read{font-size:.75rem;font-weight:500;padding:.15rem .5rem;border-radius:20px}
.blog-date{background:var(--accent-bg);color:var(--accent)}
.blog-read{background:var(--gray-100);color:var(--gray-600)}
.blog-card h4{font-size:1rem;font-weight:600;margin-bottom:.4rem;color:var(--gray-800)}
.blog-card p{font-size:.85rem;color:var(--gray-600);margin-bottom:.8rem}
.blog-cta{font-size:.8rem;color:var(--accent);font-weight:500;display:flex;align-items:center;gap:.3rem;transition:gap .2s}
.blog-card:hover .blog-cta{gap:.6rem}
.blog-more{text-align:center;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.5rem;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:.9rem;font-weight:500;transition:all .25s}
.btn:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 4px 20px rgba(37,99,235,.3)}
.btn-download{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px);margin-bottom:2.5rem}
.btn-download:hover{background:var(--accent);border-color:var(--accent)}
.resume-download-bar{text-align:center;margin-bottom:2rem}

/* ── Contact ── */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2rem}
.contact-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:2rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);opacity:0;transform:translateY(20px);transition:all .4s ease}
.contact-card.visible{opacity:1;transform:translateY(0)}
.contact-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-3px) !important}
.contact-card i{font-size:1.6rem;color:var(--accent);margin-bottom:.8rem}
.contact-card strong{font-size:.9rem;margin-bottom:.2rem}
.contact-card span{font-size:.8rem;color:var(--gray-600)}

/* ── Footer ── */
.footer{padding:2rem 0;text-align:center;border-top:1px solid var(--gray-200);color:var(--gray-600);font-size:.85rem}

/* ── Responsive ── */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:repeat(2,1fr)}
  .education-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .volunteer-list{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(15,23,42,.97);backdrop-filter:blur(12px);padding:1rem 1.5rem;gap:.8rem;display:none}
  .nav-links.open{display:flex}
  .navbar.scrolled .nav-links{background:rgba(255,255,255,.97)}
  .nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .skills-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .tl-header{flex-direction:column}
  .hero-name{font-size:2rem}
  .section{padding:3.5rem 0}
}