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

:root {
  --bg:       #111110;
  --bg-alt:   #161615;
  --surface:  #1c1c1a;
  --border:   #2a2a27;

  --accent:       #4a7fb5;
  --accent-hover: #5e94c9;
  --accent-glow:  #4a7fb51a;

  --text:    #b5b3ad;
  --heading: #eeece8;
  --muted:   #6b6963;

  --sans: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --heading-font: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --max-w:  940px;
  --radius: 6px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
}

ul { list-style: none; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  background: var(--bg);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.logo {
  font: 700 1.15rem var(--mono);
  color: var(--heading);
  letter-spacing: -0.5px;
}
.logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.hero {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px 60px;
}

.hero-text { flex: 1; }

.tagline {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
}

.hero h1 {
  font: 800 2.8rem/1.15 var(--heading-font);
  color: var(--heading);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.highlight { color: var(--accent); }

.bio {
  max-width: 480px;
  margin-bottom: 28px;
}

.buttons { display: flex; gap: 12px; }

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}
.btn.primary:hover {
  background: var(--accent-hover);
  color: #fff;
  text-decoration: none;
}

.btn.outline {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn.outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.hero-card {
  flex-shrink: 0;
}
.hero-card pre {
  font: 0.72rem/1.5 var(--mono);
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: 0 0 40px var(--accent-glow);
}

.sep {
  max-width: var(--max-w);
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--border);
  margin-inline: 24px;
}

.page-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px 24px;
}

.page-section.alt {
  background: var(--bg-alt);
  max-width: 100%;
}

.page-section.alt h2,
.page-section.alt .subtitle,
.page-section.alt .skill-cols {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.page-section h2 {
  font: 700 1.6rem/1.3 var(--heading-font);
  color: var(--heading);
  margin-bottom: 8px;
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-items: center;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.tag {
  display: block;
  font: 0.7rem var(--mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.card h3 {
  font-size: 1.1rem;
  color: var(--heading);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.card a {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Logo marquee */
.logo-marquee {
  overflow: hidden;
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.logo-track {
  display: flex;
  gap: 20px;
  align-items: center;
  width: max-content;
  animation: marquee 20s linear infinite;
}

.logo-track img {
  height: 16px;
  align-self: center;
  width: auto;
  opacity: 0.45;
  filter: grayscale(1) brightness(1.5);
  transition: opacity 0.2s, filter 0.2s;
  flex-shrink: 0;
}

.card:hover .logo-track img {
  opacity: 0.7;
  filter: grayscale(0);
}

.logo-track:hover {
  animation-play-state: paused;
}

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

.skill-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding: 0 24px;
}

.skill-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.skill-box h3 {
  font: 600 0.85rem/1.4 var(--heading-font);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--heading);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.skill-box li {
  font-size: 0.9rem;
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--border);
  transition: border-color 0.15s;
}
.skill-box li:hover {
  border-left-color: var(--accent);
}

.contact-row {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  min-width: 220px;
  transition: border-color 0.2s, transform 0.2s;
}
.contact-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.contact-link .icon {
  font: 1.4rem var(--mono);
  color: var(--accent);
}

.contact-link strong {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
}

.contact-link span:last-child {
  font-size: 0.9rem;
  color: var(--text);
}

footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}
footer p + p { margin-top: 4px; }

.muted { color: var(--muted); }

::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

::selection {
  background: var(--accent);
  color: var(--bg);
}

.page-section,
.hero {
  opacity: 0;
  transform: translateY(16px);
}
.page-section.visible,
.hero.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 700px) {
  .hamburger { display: flex; }
  .nav-right { gap: 12px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 0.9rem; }
  .nav { position: relative; }
  .hero {
    flex-direction: column-reverse;
    padding: 48px 20px 40px;
    gap: 32px;
  }
  .hero h1 { font-size: 2rem; }
  .hero-card pre { font-size: 0.62rem; }
  .page-section { padding: 48px 20px; }
  .skill-cols { padding: 0; }
}

/* Highlight for specific cards */
.card.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(234, 46, 46, 0.2);
}

/* Navbar Right Grouping */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  align-items: center;
}

/* Language Toggle styling to make it fit */
.lang-toggle {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  font: 600 0.8rem var(--mono);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
}

.lang-toggle:hover {
  background: var(--surface);
  color: var(--heading);
  border-color: var(--text);
}