:root {
    --bg-dark: #020617;
    --bg-panel: #0f172a;
    --card-bg: rgba(15, 23, 42, 0.82);
    --card-strong: rgba(30, 41, 59, 0.9);
    --accent-purple: #818cf8;
    --accent-cyan: #14b8a6;
    --accent-gold: #fbbf24;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.12);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.18), transparent 34rem),
        radial-gradient(circle at 85% 20%, rgba(20, 184, 166, 0.12), transparent 28rem),
        var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.65;
}

a { color: inherit; }
a:hover { color: var(--accent-cyan); }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.section-padding { padding: 88px 0; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(2, 6, 23, 0.86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-grid;
    place-items: center;
    text-decoration: none;
    color: #061417;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    font-weight: 800;
    letter-spacing: -0.04em;
}
.nav { display: flex; align-items: center; gap: 1.15rem; flex-wrap: wrap; }
.nav a { color: var(--text-main); text-decoration: none; font-size: 0.94rem; font-weight: 600; opacity: 0.92; }
.nav-toggle { display: none; }

.hero { padding: 118px 0 54px; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 4rem; align-items: center; }
.badge, .eyebrow {
    display: inline-flex;
    width: fit-content;
    color: var(--accent-cyan);
    border: 1px solid rgba(20, 184, 166, 0.35);
    background: rgba(20, 184, 166, 0.08);
    border-radius: 999px;
    padding: 0.4rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(3rem, 8vw, 5.8rem);
    line-height: 0.98;
    margin: 1.15rem 0 1rem;
    background: linear-gradient(90deg, #fff, var(--accent-purple), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.lead { font-size: clamp(1.25rem, 2.6vw, 1.75rem); max-width: 820px; color: #e2e8f0; font-weight: 700; }
.sublead { margin-top: 1rem; color: var(--text-muted); max-width: 760px; font-size: 1.04rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.btn-primary, .btn-secondary, .filter-btn, .btn-print {
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 0.78rem 1rem;
    text-decoration: none;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.btn-primary { color: #021014; background: linear-gradient(135deg, var(--accent-cyan), #5eead4); }
.btn-secondary { color: var(--text-main); border-color: var(--border); background: rgba(255,255,255,0.04); }
.btn-primary:hover, .btn-secondary:hover, .filter-btn:hover, .btn-print:hover { transform: translateY(-2px); }
.contact-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.4rem; color: var(--text-muted); font-size: 0.95rem; }
.contact-row a { text-decoration: none; }
.hero-photo { position: relative; }
.hero-photo::before {
    content: '';
    position: absolute;
    inset: -14px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.36), rgba(20, 184, 166, 0.25));
    filter: blur(18px);
    z-index: -1;
}
.hero-photo img { border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow); }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; margin-top: 1.5rem; }
.proof-card, .skill-card, .project-card, .timeline-item, .contact-panel, .resume-card, .cv-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.16);
}
.proof-card { padding: 1.5rem; }
.proof-card.glow, .project-card.featured { border-color: rgba(20, 184, 166, 0.5); box-shadow: 0 0 0 1px rgba(20,184,166,0.08), var(--shadow); }
.metric { color: var(--accent-gold); font-size: 1.8rem; font-weight: 800; display: block; margin-bottom: 0.35rem; }
.proof-card p, .section-heading p, .project-card p, .skill-card p, .timeline-item li, .contact-panel p { color: var(--text-muted); }

.section-heading { max-width: 820px; margin-bottom: 2rem; }
.section-title { font-family: 'Poppins', sans-serif; font-size: clamp(2rem, 4.5vw, 3.3rem); line-height: 1.05; margin: 0.9rem 0 0.85rem; }
.skill-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.skill-card { padding: 1.6rem; }
.skill-card h3, .project-card h3 { font-size: 1.25rem; margin-bottom: 0.8rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.skill-tag, .tech-stack {
    display: inline-flex;
    align-items: center;
    color: #99f6e4;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.18);
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
}

.filter-toolbar { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: 1.5rem; }
.filter-btn { color: var(--text-main); background: rgba(255,255,255,0.05); border-color: var(--border); font-family: inherit; }
.filter-btn.active { background: rgba(20, 184, 166, 0.18); border-color: var(--accent-cyan); color: #ccfbf1; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem; align-items: stretch; }
.project-card { padding: 1.65rem; display: flex; flex-direction: column; gap: 0.8rem; }
.project-card[hidden] { display: none; }
.project-meta { color: var(--accent-cyan); font-size: 0.86rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; }
.impact-list { margin-left: 1.1rem; color: var(--text-muted); }
.impact-list li { margin-bottom: 0.35rem; }
.project-footer { margin-top: auto; display: flex; justify-content: space-between; gap: 1rem; align-items: center; flex-wrap: wrap; padding-top: 0.75rem; }
.project-footer a { color: var(--accent-purple); font-weight: 800; text-decoration: none; }

.timeline { border-left: 2px solid rgba(129,140,248,0.55); padding-left: 1.8rem; display: grid; gap: 1.2rem; }
.timeline-item { padding: 1.35rem 1.5rem; position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -2.25rem; top: 1.35rem; width: 13px; height: 13px; border-radius: 50%; background: var(--accent-cyan); box-shadow: 0 0 0 5px rgba(20,184,166,0.12); }
.time-header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; margin-bottom: 0.3rem; }
.time-header h3 { color: #e0f2fe; }
.time-header span { color: var(--accent-gold); font-weight: 800; font-size: 0.9rem; white-space: nowrap; }
.loc { color: var(--accent-cyan); font-style: italic; margin-bottom: 0.6rem; }
.timeline-item ul { margin-left: 1.1rem; }

.contact-panel { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 2rem; }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--text-muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.resume-shell, .cv-shell { max-width: 940px; margin: 3rem auto; padding: 0 1.5rem; }
.resume-card, .cv-card { padding: 2rem; margin-bottom: 1.2rem; }
.resume-card h1, .cv-card h1 { font-family: 'Poppins', sans-serif; font-size: 2.4rem; margin-bottom: 0.4rem; }
.resume-card h2, .cv-card h2 { color: var(--accent-cyan); margin: 1.6rem 0 0.65rem; }
.resume-card h3, .cv-card h3 { margin: 1rem 0 0.4rem; }
.resume-card ul, .cv-card ul, .cv-card ol { margin-left: 1.2rem; color: var(--text-muted); }
.resume-card li, .cv-card li { margin-bottom: 0.4rem; }
.resume-header { display: flex; justify-content: space-between; align-items: start; gap: 1rem; flex-wrap: wrap; }
.resume-links { color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 0.5rem; }
.btn-print { background: var(--accent-cyan); color: #021014; font-family: inherit; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 860px) {
    .hero-inner, .proof-strip, .skill-grid, .project-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 92px; }
    .hero-photo { max-width: 320px; }
    .contact-panel { flex-direction: column; align-items: flex-start; }
    .time-header { flex-direction: column; gap: 0.2rem; }
    .time-header span { white-space: normal; }
}

@media (max-width: 700px) {
    .nav-toggle { display: inline-flex; background: rgba(255,255,255,0.06); color: var(--text-main); border: 1px solid var(--border); border-radius: 10px; padding: 0.55rem 0.75rem; font-weight: 800; }
    .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding-bottom: 1rem; }
    .nav.open { display: flex; }
    .header-inner { flex-wrap: wrap; }
    .section-padding { padding: 64px 0; }
}

@media print {
    body { background: white !important; color: black !important; }
    .site-header, .site-footer, .btn-print, .hero-cta, .filter-toolbar { display: none !important; }
    .resume-shell, .cv-shell { margin: 0; max-width: none; padding: 0; }
    .resume-card, .cv-card { box-shadow: none; border: none; background: white; color: black; padding: 0; }
    h1, h2, h3, p, li, span, a { color: black !important; }
    a { text-decoration: none; }
}