/* ================================================
   Surendra Bhujel — Portfolio Stylesheet
   Premium dark-mode design with glassmorphism
   ================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Palette */
    --bg-primary:    #0a0a0f;
    --bg-secondary:  #111118;
    --bg-card:       rgba(255,255,255,0.04);
    --bg-glass:      rgba(255,255,255,0.06);
    --text-primary:  #eaeaf0;
    --text-secondary:#9a9ab0;
    --accent-1:      #7c3aed;       /* violet */
    --accent-2:      #06b6d4;       /* cyan   */
    --gradient:      linear-gradient(135deg, var(--accent-1), var(--accent-2));
    --gradient-hover:linear-gradient(135deg, var(--accent-2), var(--accent-1));
    --border:        rgba(255,255,255,0.08);
    --shadow:        0 8px 32px rgba(0,0,0,0.35);
    --radius:        14px;
    --radius-sm:     8px;
    --transition:    .35s cubic-bezier(.4,0,.2,1);

    /* Sizing */
    --nav-h:  72px;
    --section-py: 100px;
    --container-w: 1140px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top: var(--nav-h); }
body {
    font-family:'Inter',sans-serif;
    background:var(--bg-primary);
    color:var(--text-primary);
    line-height:1.7;
    overflow-x:hidden;
}
img { display:block; max-width:100%; height:auto; }
a  { color:inherit; text-decoration:none; }
ul { list-style:none; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }

/* ---------- Utility ---------- */
.container { width:90%; max-width:var(--container-w); margin:0 auto; }
.gradient-text {
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.section { padding:var(--section-py) 0; }
.section-title {
    font-family:'Outfit',sans-serif;
    font-size:clamp(1.8rem,4vw,2.8rem);
    text-align:center;
    margin-bottom:60px;
    letter-spacing:-.5px;
}

/* ---------- Preloader ---------- */
.preloader {
    position:fixed; inset:0; z-index:9999;
    display:flex; align-items:center; justify-content:center;
    background:var(--bg-primary);
    transition:opacity .6s, visibility .6s;
}
.preloader.hidden { opacity:0; visibility:hidden; pointer-events:none; }
.loader {
    display:flex; gap:6px;
}
.loader-letter {
    font-family:'Outfit',sans-serif;
    font-size:3rem; font-weight:800;
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    animation:pulse 1s ease-in-out infinite alternate;
}
.loader-letter:nth-child(2) { animation-delay:.15s; }
@keyframes pulse { from{opacity:.3;transform:translateY(4px)} to{opacity:1;transform:translateY(-4px)} }

/* ---------- Cursor Glow ---------- */
.cursor-glow {
    position:fixed; width:320px; height:320px; border-radius:50%;
    pointer-events:none; z-index:0;
    background:radial-gradient(circle, rgba(124,58,237,.12) 0%, transparent 70%);
    transform:translate(-50%,-50%);
    transition:transform .08s linear;
    display:none;
}
@media(hover:hover){ .cursor-glow{display:block} }

/* ---------- Navbar ---------- */
.navbar {
    position:fixed; top:0; left:0; width:100%; height:var(--nav-h);
    display:flex; align-items:center; justify-content:space-between;
    padding:0 5%; z-index:100;
    background:transparent;
    transition:background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    background:rgba(10,10,15,.85);
    backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    box-shadow:0 1px 0 var(--border);
}
.logo-text {
    font-family:'Outfit',sans-serif;
    font-size:1.6rem; font-weight:800; letter-spacing:1px;
}
.logo-accent { color:var(--accent-2); }

.nav-links {
    display:flex; gap:32px;
}
.nav-link {
    position:relative; font-size:.92rem; font-weight:500;
    color:var(--text-secondary);
    transition:color var(--transition);
}
.nav-link::after {
    content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
    background:var(--gradient); border-radius:2px;
    transition:width var(--transition);
}
.nav-link:hover, .nav-link.active { color:var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

/* Hamburger */
.nav-toggle { display:none; width:28px; height:20px; position:relative; }
.hamburger, .hamburger::before, .hamburger::after {
    position:absolute; width:100%; height:2px; background:var(--text-primary);
    border-radius:2px; transition:var(--transition);
}
.hamburger { top:50%; transform:translateY(-50%); }
.hamburger::before { content:''; top:-8px; }
.hamburger::after  { content:''; top:8px;  }
.nav-toggle.open .hamburger { background:transparent; }
.nav-toggle.open .hamburger::before { top:0; transform:rotate(45deg); }
.nav-toggle.open .hamburger::after  { top:0; transform:rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
    position:relative;
    min-height:100vh; display:flex; align-items:center;
    padding-top:var(--nav-h);
    overflow:hidden;
}
.hero-bg-shapes { position:absolute; inset:0; pointer-events:none; }
.shape {
    position:absolute; border-radius:50%; filter:blur(100px); opacity:.35;
}
.shape-1 { width:500px;height:500px; top:-10%; left:-8%; background:var(--accent-1); }
.shape-2 { width:400px;height:400px; bottom:5%; right:-5%; background:var(--accent-2); }
.shape-3 { width:250px;height:250px; top:40%; left:55%; background:#e879f9; opacity:.18; }

.hero-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:center; gap:40px;
    position:relative; z-index:1;
}
.hero-greeting {
    font-size:1.1rem; font-weight:500; color:var(--text-secondary);
    margin-bottom:8px; letter-spacing:1px; text-transform:uppercase;
}
.hero-name {
    font-family:'Outfit',sans-serif;
    font-size:clamp(2.6rem,6vw,4.6rem);
    font-weight:800; line-height:1.1;
    margin-bottom:20px; letter-spacing:-1px;
}
.hero-tagline {
    font-size:1.12rem; color:var(--text-secondary); margin-bottom:32px; line-height:1.7;
}
.typed-text { color:var(--accent-2); font-weight:600; }
.cursor-blink { animation:blink .7s step-end infinite; color:var(--accent-2); }
@keyframes blink { 50%{opacity:0} }

/* CTA Buttons */
.hero-cta { display:flex; gap:16px; margin-bottom:36px; flex-wrap:wrap; }
.btn {
    display:inline-flex; align-items:center; gap:8px;
    padding:14px 30px; border-radius:50px;
    font-weight:600; font-size:.95rem;
    transition:var(--transition);
}
.btn-primary {
    background:var(--gradient); color:#fff;
    box-shadow:0 4px 20px rgba(124,58,237,.35);
}
.btn-primary:hover {
    background:var(--gradient-hover);
    transform:translateY(-2px);
    box-shadow:0 6px 28px rgba(124,58,237,.45);
}
.btn-outline {
    border:1.5px solid var(--border); color:var(--text-primary);
    background:var(--bg-glass);
    backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
}
.btn-outline:hover {
    border-color:var(--accent-2); color:var(--accent-2);
    transform:translateY(-2px);
}

/* Socials Row */
.hero-socials { display:flex; gap:14px; }
.social-icon {
    width:42px; height:42px; border-radius:50%;
    display:grid; place-items:center;
    border:1px solid var(--border);
    font-size:1.05rem; color:var(--text-secondary);
    transition:var(--transition);
}
.social-icon:hover {
    background:var(--gradient); border-color:transparent;
    color:#fff; transform:translateY(-3px);
}

/* Hero Image */
.hero-image { display:flex; justify-content:center; }
.image-frame {
    position:relative; width:clamp(260px,26vw,420px); aspect-ratio:1;
}
.image-frame img {
    width:100%; height:100%; object-fit:cover;
    border-radius:50%; position:relative; z-index:1;
    border:3px solid var(--border);
}
.image-ring {
    position:absolute; inset:-12px; border-radius:50%;
    border:2px dashed rgba(124,58,237,.35);
    animation:spin 20s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* Scroll Indicator */
.scroll-indicator {
    position:absolute; bottom:32px; left:50%; transform:translateX(-50%);
    display:flex; flex-direction:column; align-items:center; gap:8px;
    color:var(--text-secondary); font-size:.75rem; text-transform:uppercase;
    letter-spacing:2px;
}
.scroll-mouse {
    width:24px; height:38px; border-radius:12px;
    border:2px solid var(--text-secondary);
    display:flex; justify-content:center; padding-top:6px;
}
.scroll-dot {
    width:4px; height:8px; border-radius:4px;
    background:var(--accent-2);
    animation:scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot { 0%,100%{opacity:1;transform:translateY(0)} 50%{opacity:.3;transform:translateY(10px)} }

/* ---------- ABOUT ---------- */
.about-grid {
    display:grid; grid-template-columns:1.2fr 1fr; gap:50px; align-items:start;
}
.about-text p {
    color:var(--text-secondary); margin-bottom:18px; font-size:1.02rem;
}
.about-stats {
    display:flex; gap:20px; margin-top:30px; flex-wrap:wrap;
}
.stat-card {
    flex:1; min-width:120px;
    background:var(--bg-glass); border:1px solid var(--border);
    border-radius:var(--radius); padding:22px 18px; text-align:center;
    backdrop-filter:blur(8px);
    transition:transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.stat-number {
    font-family:'Outfit',sans-serif;
    font-size:2.2rem; font-weight:700;
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}
.stat-plus { font-size:1.4rem; font-weight:700; color:var(--accent-2); }
.stat-label { display:block; font-size:.82rem; color:var(--text-secondary); margin-top:4px; }

/* Info list */
.about-details {}
.info-list li {
    display:flex; align-items:center; gap:12px;
    padding:12px 0; border-bottom:1px solid var(--border);
    font-size:.95rem; color:var(--text-secondary);
}
.info-list li i {
    width:32px; height:32px; border-radius:50%;
    display:grid; place-items:center;
    background:var(--bg-glass); color:var(--accent-2); font-size:.85rem;
    border:1px solid var(--border);
}
.info-list li strong { color:var(--text-primary); margin-right:4px; }
.about-details .btn { margin-top:28px; }

/* ---------- SKILLS ---------- */
.skills { background:var(--bg-secondary); }
.skills-grid {
    display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:24px;
}
.skill-card {
    background:var(--bg-glass); border:1px solid var(--border);
    border-radius:var(--radius); padding:28px 22px; text-align:center;
    backdrop-filter:blur(10px);
    transition:transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.skill-icon {
    width:56px;height:56px; margin:0 auto 14px;
    display:grid; place-items:center;
    border-radius:50%; font-size:1.5rem;
    background:var(--gradient); color:#fff;
}
.skill-card h3 { font-size:1.05rem; font-weight:600; margin-bottom:14px; }
.skill-bar {
    width:100%; height:6px; border-radius:3px;
    background:rgba(255,255,255,.08);
    overflow:hidden;
}
.skill-fill {
    height:100%; width:0; border-radius:3px;
    background:var(--gradient);
    transition:width 1.2s cubic-bezier(.4,0,.2,1);
}

/* ---------- PORTFOLIO ---------- */
.portfolio-grid {
    display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:28px;
}
.project-card {
    background:var(--bg-card); border:1px solid var(--border);
    border-radius:var(--radius); overflow:hidden;
    transition:transform var(--transition), box-shadow var(--transition);
}
.project-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.project-image {
    position:relative; overflow:hidden; aspect-ratio:3/2;
}
.project-image img {
    width:100%; height:100%; object-fit:cover;
    transition:transform .5s;
}
.project-card:hover .project-image img { transform:scale(1.06); }
.project-overlay {
    position:absolute; inset:0;
    display:flex; align-items:center; justify-content:center; gap:14px;
    background:rgba(10,10,15,.7); opacity:0;
    transition:opacity var(--transition);
}
.project-card:hover .project-overlay { opacity:1; }
.project-link {
    width:46px; height:46px; border-radius:50%;
    display:grid; place-items:center;
    background:var(--gradient); color:#fff; font-size:1.1rem;
    transform:translateY(12px);
    transition:transform var(--transition);
}
.project-card:hover .project-link { transform:translateY(0); }
.project-info { padding:22px 24px 26px; }
.project-info h3 { font-size:1.15rem; margin-bottom:8px; font-weight:600; }
.project-info p { font-size:.9rem; color:var(--text-secondary); margin-bottom:14px; }
.project-tags { display:flex; gap:8px; flex-wrap:wrap; }
.project-tags span {
    padding:4px 12px; border-radius:20px;
    font-size:.78rem; font-weight:500;
    background:rgba(124,58,237,.15); color:var(--accent-2);
    border:1px solid rgba(124,58,237,.2);
}

/* ---------- CONTACT ---------- */
.contact { background:var(--bg-secondary); }
.contact-grid {
    display:grid; grid-template-columns:1fr 1.2fr; gap:50px; align-items:start;
}
.contact-intro {
    color:var(--text-secondary); font-size:1.02rem; margin-bottom:30px;
}
.contact-details li {
    display:flex; gap:16px; align-items:center;
    margin-bottom:22px;
}
.contact-icon {
    width:48px; height:48px; border-radius:50%;
    display:grid; place-items:center;
    background:var(--bg-glass); border:1px solid var(--border);
    font-size:1.1rem; color:var(--accent-2);
    flex-shrink:0;
}
.contact-details strong { display:block; font-size:.85rem; color:var(--text-primary); }
.contact-details a, .contact-details span {
    font-size:.92rem; color:var(--text-secondary);
    transition:color var(--transition);
}
.contact-details a:hover { color:var(--accent-2); }
.contact-socials { display:flex; gap:12px; margin-top:10px; }
.contact-socials a {
    width:42px; height:42px; border-radius:50%;
    display:grid; place-items:center;
    border:1px solid var(--border);
    color:var(--text-secondary); font-size:1rem;
    transition:var(--transition);
}
.contact-socials a:hover {
    background:var(--gradient); border-color:transparent; color:#fff;
    transform:translateY(-3px);
}

/* Contact Form */
.contact-form {
    background:var(--bg-glass); border:1px solid var(--border);
    border-radius:var(--radius); padding:36px;
    backdrop-filter:blur(12px);
}
.form-group {
    position:relative; margin-bottom:24px;
}
.form-group input,
.form-group textarea {
    width:100%; padding:14px 16px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--border);
    border-radius:var(--radius-sm);
    color:var(--text-primary);
    font-family:inherit; font-size:.95rem;
    transition:border var(--transition);
    outline:none; resize:vertical;
}
.form-group input:focus, .form-group textarea:focus {
    border-color:var(--accent-1);
}
.form-group label {
    position:absolute; top:14px; left:16px;
    font-size:.92rem; color:var(--text-secondary);
    pointer-events:none;
    transition:var(--transition);
    background:transparent;
}
.form-group input:focus  ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top:-10px; left:12px; font-size:.75rem; color:var(--accent-2);
    background:var(--bg-secondary); padding:0 6px;
}
.btn-submit { width:100%; justify-content:center; }

/* Toast */
.toast {
    position:fixed; bottom:30px; right:30px;
    background:var(--accent-1); color:#fff;
    padding:14px 28px; border-radius:var(--radius-sm);
    font-size:.92rem; font-weight:500;
    box-shadow:var(--shadow);
    transform:translateY(120%);
    transition:transform var(--transition);
    z-index:200;
}
.toast.show { transform:translateY(0); }

/* ---------- FOOTER ---------- */
.footer {
    padding:30px 0;
    border-top:1px solid var(--border);
}
.footer-inner {
    display:flex; align-items:center; justify-content:space-between;
}
.footer-logo {
    font-family:'Outfit',sans-serif; font-weight:800; font-size:1.3rem;
}
.footer p { font-size:.85rem; color:var(--text-secondary); }
.back-to-top {
    width:40px; height:40px; border-radius:50%;
    display:grid; place-items:center;
    background:var(--gradient); color:#fff;
    font-size:.95rem;
    transition:transform var(--transition);
}
.back-to-top:hover { transform:translateY(-3px); }

/* ---------- Scroll-reveal ---------- */
[data-aos] {
    opacity:0; transform:translateY(28px);
    transition:opacity .7s var(--transition), transform .7s var(--transition);
}
[data-aos].visible { opacity:1; transform:translateY(0); }

/* ---------- RESPONSIVE ---------- */
@media(max-width:992px){
    .hero-grid { grid-template-columns:1fr; text-align:center; }
    .hero-content { order:2; }
    .hero-image  { order:1; }
    .hero-cta, .hero-socials { justify-content:center; }
    .about-grid { grid-template-columns:1fr; }
    .contact-grid { grid-template-columns:1fr; }
}
@media(max-width:768px){
    :root { --section-py:70px; }
    .nav-links {
        position:fixed; top:0; right:-100%; width:70%; height:100vh;
        flex-direction:column; gap:0; padding:90px 40px 40px;
        background:rgba(10,10,15,.96); backdrop-filter:blur(18px);
        transition:right var(--transition);
    }
    .nav-links.open { right:0; }
    .nav-link { font-size:1.15rem; padding:14px 0; border-bottom:1px solid var(--border); }
    .nav-toggle { display:block; }
    .hero-name { font-size:2.2rem; }
    .portfolio-grid { grid-template-columns:1fr; }
    .footer-inner { flex-direction:column; gap:14px; text-align:center; }
}