:root {
    --bg: #05060f;
    --bg-2: #0a0c1c;
    --panel: rgba(255, 255, 255, 0.03);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text: #eef0ff;
    --muted: #8b90b0;
    --violet: #7c5cff;
    --cyan: #00e5ff;
    --pink: #ff4ecd;
    --green: #46ff9d;
    --grad-main: linear-gradient(120deg, var(--violet), var(--cyan));
    --grad-hot: linear-gradient(120deg, var(--pink), var(--violet));
    --radius: 18px;
    --mono: 'JetBrains Mono', monospace;
    --sans: 'Space Grotesk', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

@media (hover: none) {
    body, a, button { cursor: auto; }
    .cursor-dot, .cursor-ring { display: none; }
}

::selection { background: var(--violet); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--violet), var(--cyan)); border-radius: 5px; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
strong { color: var(--text); }
.green { color: var(--green); }

/* ---------- Boot screen ---------- */
.boot-screen {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    transition: opacity .6s ease, visibility .6s ease;
}
.boot-screen.hide { opacity: 0; visibility: hidden; }
.boot-terminal {
    font-family: var(--mono); font-size: .85rem; color: var(--muted);
    width: min(480px, 90vw);
    border: 1px solid var(--panel-border); border-radius: 12px;
    background: var(--bg-2); padding: 24px; box-shadow: 0 0 60px rgba(124, 92, 255, .15);
}
.boot-line { margin-bottom: 10px; opacity: 0; animation: bootLine .4s forwards; }
.boot-line:nth-child(1) { animation-delay: .2s; }
.boot-line:nth-child(2) { animation-delay: .7s; }
.boot-line:nth-child(3) { animation-delay: 1.2s; }
.boot-line:nth-child(4) { animation-delay: 1.7s; }
.boot-prompt { color: var(--green); }
.boot-cmd { color: var(--cyan); }
.boot-ok { color: var(--green); }
.boot-bar { margin-top: 18px; height: 6px; border-radius: 3px; background: rgba(255,255,255,.06); overflow: hidden; animation: bootLine .4s 2.1s forwards; opacity: 0; }
.boot-bar-fill { display: block; height: 100%; width: 100%; background: var(--grad-main); animation: bootFill 1.8s ease forwards; transform-origin: left; }
@keyframes bootLine { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes bootFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Background layers ---------- */
.aurora { position: fixed; inset: 0; z-index: -3; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(110px); opacity: .5; }
.orb-1 { width: 520px; height: 520px; background: var(--violet); top: -160px; left: -120px; animation: drift1 22s ease-in-out infinite; }
.orb-2 { width: 460px; height: 460px; background: var(--cyan); top: 28%; right: -160px; animation: drift2 26s ease-in-out infinite; }
.orb-3 { width: 420px; height: 420px; background: var(--pink); bottom: -160px; left: 32%; animation: drift3 30s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(60px,80px); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-70px,-60px); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(80px,-50px); } }

.grid-overlay {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image: linear-gradient(rgba(124,92,255,.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(124,92,255,.05) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

#particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* ---------- Cursor ---------- */
.cursor-dot, .cursor-ring {
    position: fixed; top: 0; left: 0; z-index: 10000; pointer-events: none;
    border-radius: 50%; transform: translate(-50%, -50%);
}
.cursor-dot { width: 8px; height: 8px; background: var(--cyan); }
.cursor-ring {
    width: 38px; height: 38px; border: 1.5px solid rgba(124,92,255,.7);
    transition: width .25s, height .25s, border-color .25s;
}
.cursor-ring.hovering { width: 58px; height: 58px; border-color: var(--cyan); }

/* ---------- Scroll progress & back to top ---------- */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; z-index: 999;
    background: var(--grad-main); width: 0;
}
.back-to-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 998;
    width: 46px; height: 46px; border-radius: 12px;
    background: var(--bg-2); border: 1px solid var(--panel-border);
    display: flex; align-items: center; justify-content: center;
    color: var(--cyan); font-size: 1rem;
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: all .3s ease;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { border-color: var(--cyan); box-shadow: 0 0 18px rgba(0,229,255,.35); }

/* ---------- Navbar ---------- */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 18px 0;
    transition: padding .3s, background .3s, border-color .3s;
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    padding: 12px 0;
    background: rgba(5,6,15,.72);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--panel-border);
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav-brand { font-family: var(--mono); font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand-bracket { color: var(--cyan); }
.nav-links { display: flex; gap: 30px; }
.nav-link {
    font-family: var(--mono); font-size: .85rem; color: var(--muted);
    position: relative; transition: color .2s;
}
.nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -6px;
    width: 0; height: 2px; background: var(--grad-main); border-radius: 1px;
    transition: width .25s;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta {
    font-family: var(--mono); font-size: .8rem; color: #fff;
    padding: 10px 20px; border-radius: 999px;
    background: var(--grad-main); border: none; font-weight: 500;
    transition: box-shadow .25s, transform .25s;
}
.nav-cta:hover { box-shadow: 0 0 26px rgba(124,92,255,.55); transform: translateY(-2px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Section scaffolding ---------- */
main { position: relative; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

section { position: relative; padding: 110px 0; }

.section-head { margin-bottom: 56px; }
.section-index {
    font-family: var(--mono); color: var(--cyan); font-size: .85rem;
    display: block; margin-bottom: 10px;
}
.section-title { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; letter-spacing: -1px; }
.section-title .dot { color: var(--pink); }
.section-sub {
    font-family: var(--mono); color: var(--muted); font-size: .85rem;
    margin-top: 6px;
}

/* ---------- Hero ---------- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 120px; }
.hero-grid { display: flex; justify-content: center; width: 100%; }
.hero-content { max-width: 1200px; width: 100%; padding: 0 24px; }
.hero-greeting {
    font-family: var(--mono); color: var(--muted); font-size: .9rem;
    margin-bottom: 14px;
}
.tick { color: var(--pink); }
.hero-name {
    font-size: clamp(2.6rem, 7.5vw, 5.4rem);
    font-weight: 700; letter-spacing: -2px; line-height: 1.05;
    margin-bottom: 18px;
}
.gradient-text {
    background: var(--grad-hot);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.hero-roles {
    font-family: var(--mono); font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--cyan); margin-bottom: 26px; min-height: 1.6em;
}
.caret { display: inline-block; width: 9px; height: 1.15em; background: var(--cyan); vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-summary { max-width: 560px; color: var(--muted); font-size: 1.05rem; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }

.btn {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: .85rem; font-weight: 500;
    padding: 14px 26px; border-radius: 999px; transition: all .25s; border: 1px solid transparent;
}
.btn-primary { background: var(--grad-main); color: #fff; }
.btn-primary:hover { box-shadow: 0 0 30px rgba(124,92,255,.6); transform: translateY(-2px); }
.btn-ghost { border-color: var(--panel-border); color: var(--text); background: rgba(255,255,255,.03); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-lg { padding: 17px 34px; font-size: .95rem; }

.hero-socials { display: flex; gap: 14px; margin-bottom: 56px; }
.hero-socials a {
    width: 44px; height: 44px; border-radius: 12px;
    border: 1px solid var(--panel-border); background: rgba(255,255,255,.03);
    display: flex; align-items: center; justify-content: center;
    color: var(--muted); font-size: 1.05rem; transition: all .25s;
}
.hero-socials a:hover { color: var(--cyan); border-color: var(--cyan); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,229,255,.18); }

.hero-cursor-hint { display: flex; flex-direction: column; align-items: center; gap: 8px; font-family: var(--mono); font-size: .72rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.mouse { width: 22px; height: 36px; border: 2px solid var(--muted); border-radius: 12px; display: flex; justify-content: center; padding-top: 6px; }
.mouse-wheel { width: 3px; height: 7px; border-radius: 2px; background: var(--cyan); animation: wheel 1.6s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- Ticker ---------- */
.ticker {
    overflow: hidden; border-top: 1px solid var(--panel-border); border-bottom: 1px solid var(--panel-border);
    padding: 14px 0; background: rgba(10,12,28,.6); backdrop-filter: blur(8px);
}
.ticker-track { display: flex; gap: 28px; white-space: nowrap; width: max-content; animation: marquee 30s linear infinite; }
.ticker-track span { font-family: var(--mono); font-size: .8rem; color: var(--muted); letter-spacing: .12em; }
.ticker-track i { color: var(--violet); font-style: normal; font-size: .6rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.about-card {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 36px; backdrop-filter: blur(8px);
}
.about-text { color: var(--muted); font-size: 1.02rem; margin-bottom: 20px; }
.about-meta { margin-top: 26px; border-top: 1px dashed var(--panel-border); padding-top: 20px; }
.meta-row { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; border-bottom: 1px dashed rgba(255,255,255,.04); }
.meta-key { font-family: var(--mono); font-size: .78rem; color: var(--cyan); text-transform: uppercase; letter-spacing: .06em; }
.meta-val { font-size: .95rem; color: var(--text); text-align: right; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat-card {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 28px 20px; text-align: center;
    backdrop-filter: blur(8px); transition: all .25s;
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--violet); box-shadow: 0 12px 30px rgba(124,92,255,.2); }
.stat-num { font-family: var(--mono); font-weight: 700; font-size: 2.4rem; background: var(--grad-main); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-plus { font-family: var(--mono); color: var(--pink); font-weight: 700; font-size: 2.4rem; }
.stat-label { display: block; margin-top: 8px; color: var(--muted); font-size: .8rem; }

/* ---------- Projects ---------- */
.projects { background: rgba(10,12,28,.4); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project-card {
    position: relative;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 30px;
    display: flex; flex-direction: column; gap: 18px;
    backdrop-filter: blur(10px); overflow: hidden;
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.project-card::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(124,92,255,.16), transparent 60%);
    opacity: 0; transition: opacity .3s;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--violet); box-shadow: 0 18px 50px rgba(124,92,255,.18); }
.project-card:hover::before { opacity: 1; }
.project-top { display: flex; justify-content: space-between; align-items: center; }
.project-num { font-family: var(--mono); color: var(--cyan); font-size: .8rem; }
.project-status { font-family: var(--mono); font-size: .68rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.project-name { font-size: 1.45rem; font-weight: 700; letter-spacing: -.4px; }
.project-desc { color: var(--muted); font-size: .93rem; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tags span {
    font-family: var(--mono); font-size: .68rem; color: var(--cyan);
    border: 1px solid rgba(0,229,255,.3); padding: 4px 10px; border-radius: 999px;
}
.project-links { display: flex; gap: 18px; padding-top: 4px; }
.project-links a { font-family: var(--mono); font-size: .8rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; transition: color .2s; }
.project-links a:hover { color: var(--cyan); }

/* ---------- Certifications ---------- */
.certs-grid { display: flex; flex-direction: column; gap: 16px; }
.cert-card {
    display: flex; align-items: center; gap: 22px;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 26px 30px;
    backdrop-filter: blur(8px); transition: all .25s;
}
.cert-card:hover { transform: translateX(8px); border-color: var(--pink); }
.cert-icon {
    width: 54px; height: 54px; flex-shrink: 0; border-radius: 14px;
    background: var(--grad-hot); display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: #fff;
}
.cert-name { font-size: 1.15rem; font-weight: 600; }
.cert-org { color: var(--muted); font-size: .88rem; }
.cert-year {
    margin-left: auto; flex-shrink: 0;
    font-family: var(--mono); color: var(--cyan);
    border: 1px solid rgba(0,229,255,.3); padding: 5px 14px; border-radius: 999px; font-size: .8rem;
}

/* ---------- Skills ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }
.skill-group {
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 28px; backdrop-filter: blur(8px);
    transition: border-color .25s;
}
.skill-group:hover { border-color: var(--violet); }
.skill-group-title {
    font-size: 1.05rem; font-weight: 600; margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
}
.skill-group-title i { color: var(--cyan); }
.skill-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
    font-family: var(--mono); font-size: .82rem; color: var(--text);
    background: rgba(255,255,255,.04); border: 1px solid var(--panel-border);
    padding: 9px 16px; border-radius: 999px; transition: all .2s;
}
.chip:hover { color: var(--bg); background: var(--grad-main); border-color: transparent; transform: translateY(-2px); }

/* ---------- Contact ---------- */
.contact { background: rgba(10,12,28,.4); }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; margin-bottom: 60px; }
.contact-card {
    display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: var(--radius); padding: 26px; transition: all .25s;
}
.contact-card:hover { transform: translateY(-5px); border-color: var(--cyan); box-shadow: 0 14px 34px rgba(0,229,255,.15); }
.contact-card > i { font-size: 1.6rem; color: var(--cyan); margin-bottom: 6px; }
.contact-label { font-family: var(--mono); font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.contact-value { font-size: .95rem; font-weight: 600; word-break: break-all; }

.contact-cta {
    text-align: center; padding: 56px 30px;
    border: 1px dashed var(--panel-border); border-radius: var(--radius);
    background: rgba(255,255,255,.02);
}
.cta-typing { font-family: var(--mono); color: var(--cyan); font-size: clamp(1rem, 3vw, 1.4rem); margin-bottom: 28px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--panel-border); padding: 46px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand { font-family: var(--mono); font-weight: 700; font-size: 1.2rem; }
.footer-line { font-family: var(--mono); color: var(--muted); font-size: .8rem; }
.footer-copy { font-family: var(--mono); color: var(--muted); font-size: .75rem; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero { padding-top: 100px; }
    .about-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: 0; right: -100%; height: 100vh; width: min(300px, 80vw);
        background: rgba(5,6,15,.97); backdrop-filter: blur(16px);
        flex-direction: column; justify-content: center; gap: 32px; padding: 40px;
        border-left: 1px solid var(--panel-border); transition: right .35s ease; z-index: 999;
    }
    .nav-links.open { right: 0; }
    .nav-link { font-size: 1.1rem; }
    .nav-cta { display: none; }
    .nav-toggle { display: flex; position: relative; z-index: 1001; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .cert-card { flex-wrap: wrap; }
    .cert-year { margin-left: 76px; }
}

@media (max-width: 480px) {
    section { padding: 80px 0; }
    .hero-actions { flex-direction: column; }
    .btn { justify-content: center; }
    .about-stats { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
}