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

/* ─── Tokens ──────────────────────────────────────────────────── */
:root {
  --bg:           #0c0c0c;
  --surface:      #131313;
  --border:       #1e1e1e;
  --border-hover: #2e2e2e;
  --text:         #d4d4d4;
  --text-muted:   #6e6e6e;
  --text-dim:     #9e9e9e;
  --accent:       #f06623;
  --accent-dim:   rgba(240, 102, 35, 0.1);

  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --max-w:     1080px;
  --pad-x:     clamp(1.5rem, 6vw, 4rem);
  --section-y: clamp(3.5rem, 7vw, 5.5rem);
}

/* ─── Base ────────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ─── Nav ─────────────────────────────────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem var(--pad-x);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.7;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text);
}

/* Back link used on blog pages */
.nav-back {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  transition: color 0.2s;
}

.nav-back:hover {
  color: var(--text);
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-sep {
  color: var(--text-muted);
  font-size: 0.75rem;
  user-select: none;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 0.2rem 0;
  transition: color 0.2s;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.active {
  color: var(--accent);
}

/* ─── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: calc(78svh - 70px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 14em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 42em;
  margin-bottom: 2.25rem;
  font-weight: 300;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.8rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: background 0.2s, color 0.2s;
  align-self: flex-start;
}

.cta:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ─── Featured work ───────────────────────────────────────────── */
.work {
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.work-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.work-head .section-label {
  margin-bottom: 0;
}

.work-all {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  white-space: nowrap;
}

.work-all:hover {
  border-color: var(--accent);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s, transform 0.2s;
}

.work-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.work-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.work-card h3 {
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text);
}

.work-card p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-dim);
}

.work-link {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--accent);
}

/* ─── Experience ──────────────────────────────────────────────── */
.experience {
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.25rem;
}

.exp-list {
  display: flex;
  flex-direction: column;
}

.exp-item {
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
}

.exp-item:first-child {
  padding-top: 0;
  border-top: none;
}

.exp-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.85rem;
  margin-bottom: 0.6rem;
}

.exp-head h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

.exp-co {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--accent);
}

.exp-date {
  margin-left: auto;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
}

.exp-item p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.75;
  font-weight: 300;
  max-width: 60em;
}

.exp-item p + p {
  margin-top: 0.65rem;
}

/* ─── Approach ────────────────────────────────────────────────── */
.approach {
  padding: var(--section-y) var(--pad-x);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.approach-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.approach h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  position: sticky;
  top: calc(70px + 3rem);
}

.approach p {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.8;
  font-weight: 300;
}

.approach p + p {
  margin-top: 1.5rem;
}

.approach p:last-child {
  color: var(--text);
  font-style: italic;
}

/* ─── Contact ─────────────────────────────────────────────────── */
.contact {
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-dim);
  font-weight: 300;
}

.contact-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.contact-link {
  font-size: 1.1rem;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  padding-bottom: 0.1rem;
}

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

.availability {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-top: 0.5rem;
}

/* ─── Footer ──────────────────────────────────────────────────── */
footer {
  padding: 2rem var(--pad-x);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

footer p:first-child {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .exp-date {
    margin-left: 0;
    flex-basis: 100%;
    order: 3;
  }

  .approach-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .approach h2 {
    position: static;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
}