*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --bg: #0a0a0a; --fg: #f0ede6; --accent: #e8ff47; --muted: #555; --card: #141414; --border: #222; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font-family: 'Syne', sans-serif; line-height: 1.6; overflow-x: hidden; }
body::before { content: ''; position: fixed; inset: 0; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E"); pointer-events: none; z-index: 999; opacity: 0.4; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 0.4rem 2rem; z-index: 100; border-bottom: 1px solid var(--border); background: rgba(10,10,10,0.92); backdrop-filter: blur(12px); }
.nav-logo { text-decoration: none; display: flex; align-items: center; }
.nav-logo img { height: 64px; width: 64px; object-fit: contain; display: block; transition: opacity 0.2s; }
.nav-logo img:hover { opacity: 0.8; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.8rem; font-family: 'Space Mono', monospace; letter-spacing: 0.05em; transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }
.nav-hamburger { display: none; background: none; border: 1px solid var(--border); color: var(--muted); padding: 0.4rem 0.6rem; cursor: pointer; font-size: 1.1rem; line-height: 1; }

/* MOBILE NAV DRAWER */
.nav-drawer { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,10,10,0.97); z-index: 200; flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; }
.nav-drawer.open { display: flex; }
.nav-drawer a { color: var(--fg); text-decoration: none; font-size: 1.5rem; font-family: 'Space Mono', monospace; letter-spacing: 0.1em; transition: color 0.2s; }
.nav-drawer a:hover { color: var(--accent); }
.nav-drawer-close { position: absolute; top: 1.2rem; right: 1.5rem; background: none; border: none; color: var(--muted); font-size: 1.8rem; cursor: pointer; line-height: 1; }

/* HERO */
#hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: flex-end; padding: 0 3rem 5rem; position: relative; border-bottom: 1px solid var(--border); }
.hero-tag { font-family: 'Space Mono', monospace; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1.5rem; opacity: 0; animation: fadeUp 0.6s 0.2s forwards; }
h1 { font-size: clamp(3.5rem, 10vw, 9rem); font-weight: 800; line-height: 0.95; letter-spacing: -0.03em; opacity: 0; animation: fadeUp 0.6s 0.4s forwards; }
h1 span { color: var(--accent); }
.hero-sub { margin-top: 2rem; font-family: 'Space Mono', monospace; font-size: 0.9rem; color: var(--muted); max-width: 400px; opacity: 0; animation: fadeUp 0.6s 0.6s forwards; }
.hero-links { margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.6s 0.8s forwards; }
.hero-number { position: absolute; right: 3rem; bottom: 5rem; font-family: 'Space Mono', monospace; font-size: 0.7rem; color: var(--muted); writing-mode: vertical-rl; letter-spacing: 0.15em; }

/* BUTTONS */
.btn { font-family: 'Space Mono', monospace; font-size: 0.8rem; letter-spacing: 0.1em; padding: 0.75rem 1.5rem; text-decoration: none; border: 1px solid var(--border); color: var(--fg); transition: all 0.2s; display: inline-block; }
.btn:hover { background: var(--fg); color: var(--bg); }
.btn.accent { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn.accent:hover { background: transparent; color: var(--accent); }
.btn.htb { background: transparent; border-color: #9fef00; color: #9fef00; }
.btn.htb:hover { background: #9fef00; color: var(--bg); }

/* SECTIONS */
section { padding: 6rem 3rem; border-bottom: 1px solid var(--border); max-width: 1100px; margin: 0 auto; }
.section-label { font-family: 'Space Mono', monospace; font-size: 0.7rem; color: var(--accent); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 3rem; display: flex; align-items: center; gap: 1rem; }
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 2rem; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text p { color: #999; font-size: 1.05rem; line-height: 1.8; margin-bottom: 1rem; }

/* SKILLS */
.skills-grid { display: flex; flex-wrap: wrap; gap: 1px; border: 1px solid var(--border); }
.skill-item { padding: 1.5rem 2rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); font-family: 'Space Mono', monospace; font-size: 0.85rem; transition: background 0.2s; flex: 1 1 30%; text-align: center; }
.skill-item:hover { background: var(--card); }
.skill-item .skill-cat { font-size: 0.65rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.5rem; }

/* CERTIFICATIONS */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1px; border: 1px solid var(--border); }
.cert-card { padding: 2rem; background: var(--card); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background 0.2s; }
.cert-card:hover { background: #1a1a1a; }
.cert-card .tag { font-family: 'Space Mono', monospace; font-size: 0.65rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; display: flex; justify-content: space-between; align-items: center; }
.cert-card .cert-date { color: var(--muted); }
.cert-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.cert-card p { font-size: 0.9rem; color: #777; line-height: 1.6; }

/* PROJECTS */
.projects-wrap { position: relative; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1px; border: 1px solid var(--border); }
.projects-more { display: none; margin: 1rem auto 0; background: none; border: 1px solid var(--border); color: var(--muted); font-family: 'Space Mono', monospace; font-size: 0.75rem; letter-spacing: 0.1em; padding: 0.7rem 1.4rem; cursor: pointer; align-items: center; gap: 0.6rem; transition: all 0.2s; }
.projects-more:hover { border-color: var(--accent); color: var(--fg); }
.projects-more .arrow { display: inline-block; transition: transform 0.3s; }
.projects-more.open .arrow { transform: rotate(180deg); }
.project-card { padding: 2rem; background: var(--card); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background 0.2s; text-decoration: none; color: var(--fg); display: block; }
.project-card:hover { background: #1a1a1a; }
.project-card .tag { font-family: 'Space Mono', monospace; font-size: 0.65rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; display: flex; justify-content: space-between; align-items: center; }
.project-card .stars { color: var(--muted); }
.project-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.project-card p { font-size: 0.9rem; color: #777; line-height: 1.6; }
.project-arrow { margin-top: 1.5rem; font-family: 'Space Mono', monospace; font-size: 0.8rem; color: var(--muted); }
.projects-loading { font-family: 'Space Mono', monospace; font-size: 0.85rem; color: var(--muted); padding: 3rem; text-align: center; grid-column: 1 / -1; }
.projects-loading span { display: inline-block; animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* CONTACT */
.contact-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 2rem; }
.contact-links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* FOOTER */
footer { padding: 2rem 3rem; display: flex; justify-content: space-between; align-items: center; font-family: 'Space Mono', monospace; font-size: 0.7rem; color: var(--muted); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* MOBILE */
@media (max-width: 768px) {
  nav { padding: 0.4rem 1.2rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-logo img { height: 52px; width: 52px; }

  #hero { padding: 0 1.25rem 3.5rem; min-height: 100svh; }
  h1 { font-size: clamp(1.8rem, 9.5vw, 3.2rem); white-space: nowrap; }
  .hero-number { display: none; }
  .hero-sub { font-size: 0.8rem; }
  .hero-links { flex-direction: column; align-items: flex-start; }
  .btn { font-size: 0.75rem; padding: 0.65rem 1.2rem; }

  section { padding: 3.5rem 1.5rem; }
  .section-label { margin-bottom: 2rem; }

  .about-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-text p { font-size: 0.95rem; }

  .skills-grid { gap: 0; }
  .skill-item { flex: 1 1 45%; padding: 1rem; font-size: 0.75rem; }

  .certs-grid { grid-template-columns: 1fr; }
  .cert-card { padding: 1.25rem; }
  .cert-card h3 { font-size: 1rem; }

  /* Projects: show first card, fade out the rest, arrow reveals all */
  .projects-grid { grid-template-columns: 1fr; overflow: hidden; transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1); position: relative; }
  .projects-wrap.collapsed .projects-grid::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 130px; background: linear-gradient(to bottom, rgba(10,10,10,0), var(--bg) 92%); pointer-events: none; }
  .projects-more { display: inline-flex; }
  .projects-wrap { display: flex; flex-direction: column; align-items: stretch; }
  .project-card { padding: 1.25rem; }
  .project-card h3 { font-size: 1rem; }

  .contact-links { flex-direction: column; width: 100%; }
  .contact-links .btn { text-align: center; }

  footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 1.5rem; }
}