:root {
    --bg: #08080b;
    --panel: rgba(255,255,255,0.04);
    --panel-solid: #121218;
    --border: rgba(255,255,255,0.09);
    --header: rgba(8,8,11,0.7);
    --accent: #F7F4E4;
    --accent-3: #22d3ee;
    --text: #F7F4E4;
    --muted: rgba(247,244,228,0.78);
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --disp: 'Space Grotesk', 'Inter', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: var(--accent); color: black; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; left: 12px; top: -48px; background: var(--accent); color: black;
    padding: 10px 16px; border-radius: 10px; font-weight: 700; text-decoration: none; z-index: 2000;
}
.skip-link:focus { top: 12px; }
body {
    background: var(--bg); color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #0a0a0d; }
::-webkit-scrollbar-thumb { background: #26262e; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- background ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
#particles { position: absolute; inset: 0; width: 100%; height: 100%; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; animation: drift 14s ease-in-out infinite alternate; }
.orb-1 { width: 520px; height: 520px; background: radial-gradient(circle, rgba(247,244,228,0.28), transparent 70%); top: -160px; left: -120px; }
.orb-2 { width: 620px; height: 620px; background: radial-gradient(circle, rgba(139,92,246,0.32), transparent 70%); top: 20%; right: -200px; animation-delay: -5s; }
.orb-3 { width: 480px; height: 480px; background: radial-gradient(circle, rgba(34,211,238,0.22), transparent 70%); bottom: -180px; left: 30%; animation-delay: -9s; }
@keyframes drift {
    from { transform: translate(0,0) scale(1); }
    to { transform: translate(60px,40px) scale(1.12); }
}
.grid-overlay {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}
.noise {
    position: absolute; inset: 0; opacity: 0.06;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header : floating island ---------- */
.site-header {
    position: sticky; top: 14px; z-index: 1000;
    background: transparent;
    padding: 0 16px;
}
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 8px 8px 22px; max-width: 980px; margin: 0 auto; gap: 12px;
    background: rgba(12,12,16,0.72);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: 0 12px 44px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03) inset;
}
.logo {
    font-family: var(--disp); font-weight: 700; font-size: 1.25rem;
    color: var(--text); text-decoration: none; letter-spacing: -0.02em;
    padding: 0; margin-right: 8px; transition: opacity 0.25s;
}
.logo:hover { opacity: 0.8; }
.logo span { color: var(--accent); }
nav ul { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav-links { background: transparent; border: 0; padding: 0; }
nav a { color: var(--text); text-decoration: none; display: block; padding: 8px 16px; border-radius: 999px; font-size: 0.92rem; font-weight: 500; }
.nav-link { color: var(--muted); transition: 0.25s; }
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.07); }
.nav-link.active { color: black; background: var(--accent); font-weight: 600; }
.social-links { gap: 6px; }
.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; padding: 0; border-radius: 50%;
    border: 1px solid transparent; color: var(--muted);
    transition: 0.25s;
}
.icon-btn svg { display: block; }
.icon-btn:hover { border-color: var(--border); background: rgba(255,255,255,0.07); color: var(--text); transform: translateY(-2px); }
#github .icon-btn:hover { color: #b79bff; border-color: rgba(183,155,255,0.4); box-shadow: 0 0 18px rgba(139,92,246,0.35); }
#linkedin .icon-btn:hover { color: #4da3ff; border-color: rgba(77,163,255,0.4); box-shadow: 0 0 18px rgba(77,163,255,0.3); }
#email .icon-btn:hover { color: var(--accent); border-color: rgba(247,244,228,0.4); box-shadow: 0 0 18px rgba(247,244,228,0.25); }
.nav-toggle { display: none; background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 10px; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: white; margin: 4px 0; }
/* ---------- command palette ---------- */
.palette-backdrop { position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.6); backdrop-filter: blur(6px); display: flex; justify-content: center; padding: 12vh 16px 16px; }
.palette-backdrop[hidden] { display: none; }
.palette { width: 100%; max-width: 560px; height: fit-content; background: #101014; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 30px 90px rgba(0,0,0,0.6); overflow: hidden; animation: navIn 0.18s ease; }
.palette input { width: 100%; background: transparent; border: 0; outline: none; color: var(--text); font-family: var(--mono); font-size: 0.9rem; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.palette ul { list-style: none; max-height: 320px; overflow-y: auto; padding: 8px; }
.palette li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; font-size: 0.88rem; color: var(--muted); cursor: pointer; }
.palette li .p-key { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); background: rgba(247,244,228,0.08); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; }
.palette li[aria-selected="true"], .palette li:hover { background: rgba(247,244,228,0.08); color: var(--text); }
.palette-hint { padding: 10px 18px 14px; color: var(--muted); font-size: 0.75rem; font-family: var(--mono); }
.palette-hint kbd { background: rgba(255,255,255,0.08); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
@keyframes navIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- layout / type ---------- */
section { padding: 90px 32px; max-width: 1100px; margin: 0 auto; scroll-margin-top: 110px; }
.section-tag { font-family: var(--mono); color: var(--accent); font-size: 0.85rem; margin-bottom: 12px; }
section h2 { font-family: var(--disp); font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 28px; }
.grad {
    color: var(--accent);
}

/* ---------- hero ---------- */
.hero { text-align: center; padding-top: 110px; padding-bottom: 70px; position: relative; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
    border: 1px solid var(--border); background: rgba(255,255,255,0.04);
    padding: 8px 16px; border-radius: 999px; margin-bottom: 26px;
    backdrop-filter: blur(8px);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,0.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }
.typing { font-family: var(--mono); font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--accent); margin-bottom: 14px; min-height: 1.5em; }
#typing::after, .typing::after { content: "▊"; margin-left: 4px; animation: blink 1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
.hero h1 { font-family: var(--disp); font-weight: 700; font-size: clamp(2.6rem, 8vw, 5.2rem); letter-spacing: -0.045em; line-height: 0.98; }
.hero .subtitle { color: var(--muted); font-size: clamp(1rem, 2.4vw, 1.2rem); max-width: 620px; margin: 18px auto 0; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 14px; font-weight: 700; font-size: 0.95rem;
    text-decoration: none; border: 1px solid var(--accent); cursor: pointer; font-family: inherit;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, color 0.2s;
}
.btn-primary { background: var(--accent); color: black; box-shadow: 0 0 32px rgba(247,244,228,0.28); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 44px rgba(247,244,228,0.42); }
.btn-secondary { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--border); backdrop-filter: blur(8px); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.scroll-hint { display: inline-block; margin-top: 44px; color: var(--muted); text-decoration: none; font-size: 1.4rem; animation: bob 2s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(8px); } }

/* ---------- hero terminal ---------- */
.hero-term {
    max-width: 760px; margin: 0 auto; text-align: left;
    background: rgba(10,10,14,0.85);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
    box-shadow: 0 24px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(247,244,228,0.05);
}
.hero-term-head {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; border-bottom: 1px solid var(--border);
    font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
}
.hero-term-dots { display: inline-flex; gap: 6px; }
.hero-term-dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.hero-term-dots i:nth-child(1) { background: #ff5f57; }
.hero-term-dots i:nth-child(2) { background: #febc2e; }
.hero-term-dots i:nth-child(3) { background: #28c840; }
.hero-term-body { padding: 28px 30px 32px; }
.hero-term-body .subtitle { margin-left: 0; margin-right: 0; }
.hero-term-body .hero-cta { justify-content: flex-start; }
.hero-prompt {
    display: none; font-family: var(--mono); font-size: 0.9rem;
    color: var(--text); margin: 14px 0 4px;
}
.hero-term.booting .hero-prompt, .hero-term.booted .hero-prompt { display: block; }
.hero-prompt .p-sym { color: var(--accent-3); margin-right: 8px; }
.hero-prompt .p-caret { visibility: hidden; color: var(--accent); animation: blink 1s steps(1) infinite; }
.hero-prompt.live .p-caret { visibility: visible; }
.hero-prompt.done { color: var(--muted); }
.hero-prompt.done .p-caret { display: none; }
.hero-prompt + h1, .hero-prompt + .subtitle { margin-top: 2px; }
.hero-term .boot-line { transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2,0.7,0.2,1); }
.hero-term.booting .boot-line { opacity: 0; transform: translateY(10px); }
.hero-term.booting .boot-line.boot-in { opacity: 1; transform: none; }

/* ---------- cards ---------- */
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.spotlight { position: relative; overflow: hidden; }
.spotlight::before {
    content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity 0.35s; pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(247,244,228,0.1), transparent 65%);
}
.spotlight:hover::before { opacity: 1; }
.about-block, .project, .contact-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid var(--border); border-radius: 20px; padding: 26px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.about-block:hover, .project:hover { transform: translateY(-6px); border-color: rgba(247,244,228,0.4); box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(247,244,228,0.12); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; color: var(--muted); }
.card-icon { color: var(--accent); }
.org-logo {
    display: block; height: 56px; width: auto; max-width: 230px; object-fit: contain;
    border: 1px solid var(--border); border-radius: 12px; padding: 6px 14px;
    background: rgba(255,255,255,0.05); margin-bottom: 18px;
}
.card-top span { font-family: var(--mono); font-size: 0.85rem; }
.about-block h3, .project h3 { font-family: var(--disp); font-size: 1.15rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.about-block p, .project p { color: var(--muted); font-size: 0.94rem; }
.project p + p { margin-top: 10px; }
.proj-index { font-family: var(--mono); color: var(--accent); }
.proj-arrow { font-size: 1.3rem; transition: transform 0.25s; }
.project:hover .proj-arrow { transform: translate(4px,-4px); color: var(--accent); }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tags span { font-family: var(--mono); font-size: 0.72rem; border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; color: var(--accent); background: rgba(247,244,228,0.07); }

/* ---------- skills ---------- */
.skills-list { display: flex; gap: 10px; flex-wrap: wrap; }
.skill {
    background: var(--panel); border: 1px solid var(--border);
    padding: 10px 18px; border-radius: 999px; font-size: 0.88rem; font-weight: 500;
    text-decoration: none; color: var(--text); transition: 0.25s;
    display: inline-flex; align-items: center; gap: 8px;
}
.skill img, .skill svg.skill-svg { width: 18px; height: 18px; flex-shrink: 0; }
.skill svg.skill-svg { color: var(--accent); }
.skill img.inv { filter: invert(1); }
.skill:hover svg.skill-svg { color: black; }
.skill:hover img.inv { filter: none; }
.skill:hover { background: var(--accent); color: black; border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(247,244,228,0.3); }

/* ---------- projects ---------- */
.projects-grid, .services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.services-grid + .hero-cta { margin-top: 30px; }
.project-links { margin-top: 18px; }
.project-links a { color: var(--accent); text-decoration: none; font-weight: 700; font-size: 0.92rem; }
.project-links a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- contact ---------- */
.contact-card { text-align: center; padding: 64px 32px; border-radius: 28px; }
.contact-card h2 { margin-bottom: 12px; }
.contact-card > p { color: var(--muted); max-width: 480px; margin: 0 auto; }
.contact-card .hero-cta { margin-top: 30px; }
.contact-social { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px auto 0; max-width: 560px; padding-top: 22px; border-top: 1px solid var(--border); }
.social-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 20px; border-radius: 12px; border: 1px solid var(--border);
    background: rgba(255,255,255,0.04); color: var(--text); text-decoration: none;
    font-weight: 600; font-size: 0.9rem; transition: 0.25s;
}
.social-btn svg { display: block; }
.social-btn:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); box-shadow: 0 0 20px rgba(247,244,228,0.2); }

/* ---------- mail composer ---------- */
.compose { margin: 28px auto 0; max-width: 560px; text-align: left; }
.compose-row {
    display: flex; align-items: center; gap: 12px;
    border: 1px solid var(--border); border-radius: 12px;
    background: rgba(0,0,0,0.3); padding: 10px 14px; margin-top: 10px;
}
.compose-row:focus-within { border-color: rgba(247,244,228,0.4); }
.compose-label { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); min-width: 52px; flex-shrink: 0; }
.compose-to { font-family: var(--mono); font-size: 0.85rem; color: var(--text); flex: 1; overflow-wrap: anywhere; }
.compose-copy { padding: 8px 16px; font-size: 0.8rem; flex-shrink: 0; }
.compose-row input, .compose-row textarea {
    flex: 1; min-width: 0; background: transparent; border: 0; outline: none;
    color: var(--text); font-family: inherit; font-size: 0.9rem;
}
.compose-row textarea { min-height: 64px; line-height: 1.5; resize: vertical; }
.compose-row ::placeholder { color: var(--muted); opacity: 1; }
.compose-body { align-items: flex-start; }
.compose-body .compose-label { padding-top: 3px; }
.compose .hero-cta { margin-top: 24px; justify-content: center; }

/* ---------- footer ---------- */
footer { text-align: center; padding: 32px 20px 44px; color: var(--muted); font-size: 0.88rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; gap: 10px; justify-items: center; }
.footer-links { font-size: 0.78rem; color: rgba(247,244,228,0.4); }
.footer-links a { color: rgba(247,244,228,0.55); text-decoration: none; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.footer-social { display: flex; gap: 10px; align-items: center; font-size: 0.85rem; }
.footer-social a { color: var(--muted); text-decoration: none; font-weight: 600; }
.footer-social a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.back-to-top { color: var(--accent); text-decoration: none; }
.back-to-top:hover { text-decoration: underline; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2,0.7,0.2,1); transition-delay: var(--d, 0s); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- marquee ---------- */
.marquee {
    overflow: hidden; border-block: 1px solid var(--border); padding: 14px 0;
    mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 30s linear infinite; }
.marquee-track span {
    white-space: nowrap; font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.08em;
    color: var(--muted); padding-right: 8px;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- ghost typography ---------- */
section { position: relative; }
.hero { overflow: clip; }
.about, .skills, .projects, .experience, .services, .contact { overflow: clip; }
.ghost {
    position: absolute; top: 18px; left: 50%; z-index: 0;
    transform: translateX(-50%);
    font-family: var(--disp); font-weight: 700; line-height: 1;
    font-size: clamp(4rem, 15vw, 11rem); letter-spacing: -0.04em; white-space: nowrap;
    color: transparent; -webkit-text-stroke: 1px rgba(247,244,228,0.1);
    opacity: 0.9; pointer-events: none; user-select: none;
    will-change: transform;
}
.ghost-hero { top: 46px; font-size: clamp(5rem, 19vw, 15rem); -webkit-text-stroke-width: 1.5px; opacity: 1; }
section > *:not(.ghost) { position: relative; z-index: 1; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .about-grid { grid-template-columns: 1fr; }
    .projects-grid, .services-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .site-header { top: 10px; padding: 0 10px; }
    .ghost { font-size: clamp(3rem, 22vw, 6rem); top: 10px; }
    nav { padding: 8px 10px; flex-wrap: wrap; border-radius: 22px; gap: 8px; }
    .nav-toggle { display: block; order: 2; }
    .logo { order: 1; padding-left: 8px; }
    .social-links { order: 3; margin-left: auto; }
    .nav-links { display: none; flex-direction: column; align-items: stretch; width: 100%; order: 4; border-radius: 14px; padding: 6px; background: rgba(255,255,255,0.03); }
    .nav-links.open { display: flex; }
    .hero { padding-top: 70px; }
    section { padding: 64px 18px; }
    .contact-card { padding: 44px 20px; }
    .hero-term-body { padding: 22px 18px 26px; }
}
@media (max-width: 480px) {
    .hero-cta .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    #typing::after, .typing::after, .scroll-hint, .orb { display: none; }
    .marquee-track { animation: none; }
    .reveal { opacity: 1; transform: none; }
    .ghost { transform: translateX(-50%) !important; }
}