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

:root {
  --bg:         #0e0e0f;
  --bg2:        #141416;
  --ink:        #e8e6e1;
  --ink-muted:  #6e6c68;
  --accent:     #e8622a;
  --line:       #242424;
  --card:       #1a1a1c;

  --pad-x:      3rem;
  --pad-x-tab:  2rem;
  --pad-x-mob:  1.25rem;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem var(--pad-x);
  background: rgba(14, 14, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  z-index: 201;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 201;
  padding: 0;
}

.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, width 0.3s;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  background: var(--bg);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-drawer.open {
  opacity: 1;
  pointer-events: all;
}

.nav-drawer a {
  color: var(--ink);
  text-decoration: none;
  font-family: 'DM Serif Display', serif;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  transition: color 0.2s;
}

.nav-drawer a:hover { color: var(--accent); }

#hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 5rem;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem var(--pad-x);
  border-right: 1px solid var(--line);
}

.hero-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.1s forwards;
}

.hero-name {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.6rem, 5.5vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.25s forwards;
}

.hero-name em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  color: var(--ink-muted);
  max-width: 38ch;
  line-height: 1.85;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.4s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink-muted);
  padding-bottom: 3px;
  width: fit-content;
  transition: color 0.2s, border-color 0.2s;
  opacity: 0;
  animation: fadeUp 0.6s 0.55s forwards;
}

.hero-cta:hover { color: var(--accent); border-color: var(--accent); }
.hero-cta svg { transition: transform 0.2s; }
.hero-cta:hover svg { transform: translateX(4px); }

.hero-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  position: relative;
  opacity: 0;
  animation: fadeIn 1s 0.6s forwards;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.7;
}

.hero-stat-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: auto;
}

.hero-stat {
  background: var(--bg2);
  padding: 2rem;
}

.hero-stat-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2.8rem;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.hero-stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

section {
  padding: 6rem var(--pad-x);
}

section + section {
  border-top: 1px solid var(--line);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.section-num {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  flex-shrink: 0;
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.project-card {
  background: var(--bg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.2s;
  cursor: pointer;
}

.project-card:hover { background: var(--card); }

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-type {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232, 98, 42, 0.1);
  padding: 3px 8px;
  border-radius: 2px;
}

.project-arrow {
  color: var(--ink-muted);
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.project-card:hover .project-arrow {
  color: var(--accent);
  transform: translate(3px, -3px);
}

.project-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.project-desc {
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.75;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tag {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  padding: 3px 8px;
}

.skills-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.skills-intro {
  color: var(--ink-muted);
  line-height: 1.85;
  font-size: 13px;
}

.skills-groups {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.skill-group-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.skill-row {
  display: grid;
  grid-template-columns: 140px 1fr 2.8rem;
  align-items: center;
  gap: 1rem;
}

.skill-name {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.skill-track {
  height: 2px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.skill-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  animation: growBar 0.9s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.skill-pct {
  font-size: 11px;
  color: var(--ink-muted);
  text-align: right;
}

.contact-layout {
  max-width: 540px;
}

.contact-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.contact-headline em {
  font-style: italic;
  color: var(--accent);
}

.contact-text {
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.85;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: color 0.2s;
}

.contact-link:hover { color: var(--accent); }

.contact-link-icon {
  width: 16px;
  opacity: 0.45;
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.contact-link:hover .contact-link-icon { opacity: 1; }

footer {
  border-top: 1px solid var(--line);
  padding: 2rem var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes growBar {
  to { transform: scaleX(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  nav {
    padding: 1.2rem var(--pad-x-tab);
  }

  .nav-links        { display: none; }
  .nav-hamburger    { display: flex; }
  .nav-drawer       { display: flex; }

  #hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    padding: 7rem var(--pad-x-tab) 3rem;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .hero-right {
    display: flex;
    min-height: 260px;
    padding: var(--pad-x-tab);
  }

  .hero-stat-num { font-size: 2.2rem; }
  .hero-stat     { padding: 1.4rem; }

  section { padding: 4.5rem var(--pad-x-tab); }

  .section-header { margin-bottom: 2.5rem; }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .skill-row {
    grid-template-columns: 120px 1fr 2.5rem;
  }

  footer {
    padding: 1.5rem var(--pad-x-tab);
  }
}

@media (max-width: 480px) {
  nav { padding: 1rem var(--pad-x-mob); }

  .hero-left {
    padding: 6.5rem var(--pad-x-mob) 2.5rem;
  }

  .hero-right {
    padding: var(--pad-x-mob);
    min-height: 220px;
  }

  .hero-stat     { padding: 1.1rem; }
  .hero-stat-num { font-size: 1.9rem; }
  .hero-stat-label { font-size: 10px; }

  section { padding: 3.5rem var(--pad-x-mob); }

  .section-header {
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card { padding: 1.75rem; }

  .skill-row {
    grid-template-columns: 100px 1fr 2.2rem;
    gap: 0.75rem;
  }

  .skill-name { font-size: 11px; }

  footer {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
    padding: 1.5rem var(--pad-x-mob);
  }
}