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

:root {
  --bg:         #0d0d0d;
  --bg-card:    #161616;
  --bg-card2:   #1c1c1c;
  --border:     #272727;
  --border-hi:  #3a3a3a;
  --red:        #dc2626;
  --red-dark:   #991b1b;
  --red-dim:    rgba(220, 38, 38, 0.12);
  --text:       #f0f0f0;
  --text-dim:   #888;
  --text-muted: #4a4a4a;
  --amber:      #d97706;
  --orange:     #c2410c;
  --cyan:       #0891b2;
  --green:      #4ade80;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 2px; }

/* ---- Navbar ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--red);
}

.nav-links { display: flex; gap: 0.1rem; }

.nav-links a {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: 4px;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  border: none;
  background: transparent;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text-dim);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 700px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.65rem 0.8rem; }
}

/* ---- Hero ---- */
#hero {
  padding-top: 8rem;
  padding-bottom: 5rem;
}

.hero-glow { display: none; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.hero-text h1 .name  { color: var(--red); }
.hero-text h1 .title { color: var(--text-dim); }

.hero-text p {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 460px;
  margin-bottom: 1.75rem;
}

.hero-socials { display: flex; gap: 0.9rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.hero-socials a {
  color: var(--text-muted);
  transition: color 0.15s;
  display: flex;
  align-items: center;
}
.hero-socials a:hover { color: var(--text); }
.hero-socials svg { width: 22px; height: 22px; }

.hero-buttons { display: flex; gap: 0.65rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  border: none;
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hi);
}
.btn-outline:hover { border-color: var(--text-dim); }

.btn-solid {
  background: var(--red);
  color: #fff;
}
.btn-solid:hover { background: var(--red-dark); }

/* Code card */
.code-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.code-card-top { display: none; }
.code-card-bar {
  display: flex;
  gap: 6px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.code-card-body {
  padding: 1.25rem 1.5rem;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.78rem;
  line-height: 1.85;
}
.code-card-body .c-k  { color: #f87171; }
.code-card-body .c-v  { color: #fcd34d; }
.code-card-body .c-d  { color: var(--text-dim); }
.code-card-body .c-b  { color: #fb923c; }
.code-card-body .c-fn { color: #86efac; }
.code-card-body .c-t  { color: #67e8f9; }
.code-card-body .c-n  { color: var(--text); }

.blink::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--red);
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .code-card { order: -1; }
}

/* ---- Section headings ---- */
.section-divider { display: flex; justify-content: center; }
.section-divider-line {
  width: 100%;
  height: 1px;
  background: var(--border);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0 3rem;
}
.section-title-bar { display: none; }
.section-title span {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  line-height: 1.75;
}
.about-text p strong { color: var(--text); font-weight: 600; }
.about-text p a { color: var(--red); }
.about-text p a:hover { text-decoration: underline; }

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.badge {
  padding: 0.2rem 0.7rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  transition: border-color 0.15s, color 0.15s;
}
.badge:hover { border-color: var(--border-hi); color: var(--text); }

.about-currently {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
}
.about-currently h3 {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.currently-list { display: flex; flex-direction: column; gap: 0.85rem; }
.currently-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}
.currently-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--red);
  margin-top: 0.5rem;
  flex-shrink: 0;
}
.currently-item strong { color: var(--text); font-weight: 600; }
.currently-item a { color: var(--red); }
.currently-item a:hover { text-decoration: underline; }

@media (max-width: 700px) { .about-grid { grid-template-columns: 1fr; } }

/* ---- Skills ---- */
#skills { position: relative; }

.skills-track-wrap {
  overflow: hidden;
  position: relative;
  margin: 0 -1.5rem;
}
.skills-track-wrap::before,
.skills-track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.skills-track-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.skills-track-wrap::after  { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }

.skills-track {
  display: flex;
  gap: 0.75rem;
  width: max-content;
  animation: scroll-left 28s linear infinite;
  padding: 0.25rem 0;
}
.skills-track:hover { animation-play-state: paused; }

@keyframes scroll-left {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 100px;
  cursor: default;
  transition: border-color 0.15s;
}
.skill-card:hover { border-color: var(--border-hi); }
.skill-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.skill-icon svg { width: 32px; height: 32px; }
.skill-name { font-size: 0.75rem; font-weight: 500; color: var(--text-dim); white-space: nowrap; }

/* ---- Projects ---- */
.projects-title-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.projects-title-wrap span.label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  flex-shrink: 0;
}
.projects-title-wrap .bar { flex: 1; height: 1px; background: var(--border); }

.crabsmp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: 6px;
  padding: 1.75rem;
  margin-bottom: 1rem;
}

.crabsmp-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.crab-emoji { font-size: 1.2rem; }
.crabsmp-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.crabsmp-header .season-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(220, 38, 38, 0.25);
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
}

.crabsmp-desc {
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.crabsmp-desc strong { color: var(--text); font-weight: 600; }

.crabsmp-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.feature-pill {
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
}

.crabsmp-server {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  flex-wrap: wrap;
}
.server-addr { color: var(--red); font-weight: 500; }
.server-port { color: var(--text-muted); }
.server-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin-top: 1rem;
  transition: border-color 0.15s;
}
.project-card:hover { border-color: var(--border-hi); }

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}
.project-name { font-size: 1rem; font-weight: 600; color: var(--text); }
.project-role {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  white-space: nowrap;
}

.project-desc {
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.project-desc a { color: var(--red); }
.project-desc a:hover { text-decoration: underline; }

.project-tools { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tool-tag {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ---- Linux ---- */
.linux-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.linux-text p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.linux-distros {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-top: 1.5rem;
}
.distro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
  transition: border-color 0.15s;
}
.distro-card:hover { border-color: var(--border-hi); }
.distro-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; }
.distro-icon svg { width: 36px; height: 36px; }
.distro-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }
.distro-note {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
}

@media (max-width: 768px) { .linux-grid { grid-template-columns: 1fr; } }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.contact-info > p { color: var(--text-dim); font-size: 0.875rem; margin-bottom: 1.75rem; }

.contact-details { display: flex; flex-direction: column; gap: 0.85rem; }
.contact-row { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--text-dim); }
.contact-icon {
  width: 32px; height: 32px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}
.contact-row:hover .contact-icon { border-color: var(--border-hi); color: var(--text); }
.contact-icon svg { width: 15px; height: 15px; }

.contact-social-row { display: flex; gap: 0.6rem; margin-top: 1.75rem; flex-wrap: wrap; }
.contact-social {
  width: 38px; height: 38px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}
.contact-social:hover { border-color: var(--border-hi); color: var(--text); }
.contact-social svg { width: 17px; height: 17px; }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
}
.contact-form h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--text-dim); }
.form-group { margin-bottom: 0.85rem; }
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--border-hi); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
  width: 100%;
  padding: 0.65rem;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.form-submit:hover { background: var(--red-dark); }

.form-msg { margin-top: 0.65rem; font-size: 0.78rem; text-align: center; min-height: 1rem; }
.form-msg.success { color: #4ade80; }
.form-msg.error   { color: var(--red); }

@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---- Footer ---- */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-inner p { font-size: 0.8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a {
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-dim); }

/* ---- Scroll-to-top ---- */
#scroll-top {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, color 0.15s;
  z-index: 999;
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { color: var(--text); }
#scroll-top svg { width: 15px; height: 15px; }

/* ---- Reveal animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-2 { transition-delay: 0.12s; }

#projects .project-card.reveal {
  transform: translateX(-16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#projects .project-card.reveal.visible {
  opacity: 1;
  transform: translateX(0);
}