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

:root {
  --bg: #faf9f7;
  --text-primary: #2a2825;
  --text-secondary: #9a9590;
  --text-muted: #c5c0bb;
  --border: #e0ddd8;
  --sidebar-width: 160px;
  --content-padding: 48px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}

/* ── Layout ── */
.site {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  border-right: 0.5px solid var(--border);
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  z-index: 10;
}

.site-name {
  font-family: 'Courier Prime', monospace;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 44px;
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  letter-spacing: 0.01em;
}

nav { display: flex; flex-direction: column; gap: 2px; }

nav a {
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.15s;
}

nav a:hover, nav a.active { color: var(--text-primary); }

.project-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-list-label {
  font-family: 'Courier Prime', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.project-list a {
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.5;
  padding: 3px 0;
  transition: color 0.15s;
}

.project-list a:hover, .project-list a.active { color: var(--text-primary); }

/* ── Main content ── */
.content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: var(--content-padding);
  max-width: 860px;
}

/* ── Project section ── */
.project { display: none; }
.project.active { display: block; }

.project-title {
  font-family: 'Courier Prime', monospace;
  font-size: 22px;
  font-weight: 400;
  font-style: normal;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.project-statement {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 0;
}

.project-statement + .project-statement {
  margin-top: 20px;
}

/* ── Image grid ── */
.image-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.image-grid img {
  display: block;
  width: 100%;
  height: auto;
}

.image-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── About page ── */
.about-photo {
  width: 100%;
  max-width: 540px;
  height: auto;
  display: block;
  margin-bottom: 40px;
}

.about-title {
  font-family: 'Courier Prime', monospace;
  font-size: 22px;
  font-weight: 400;
  font-style: normal;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.about-body {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.8;
  max-width: 540px;
}

.about-body p + p {
  margin-top: 20px;
}

.about-body a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.about-body a:hover {
  color: var(--text-primary);
}

/* ── Contact page ── */
.contact-form {
  max-width: 480px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: 'Courier Prime', monospace;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: 2px;
  padding: 10px 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--text-secondary);
}

.form-group textarea {
  height: 160px;
  resize: vertical;
}

.form-submit {
  background: none;
  border: 0.5px solid var(--border);
  border-radius: 2px;
  padding: 10px 28px;
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.form-submit:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.success-message {
  display: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 32px;
}

/* ── Footer ── */
.footer {
  margin-top: 80px;
  padding-bottom: 48px;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* ── Mobile ── */
@media (max-width: 680px) {
  .sidebar { display: none; }

  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 0.5px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 10;
  }

  .mobile-name {
    font-family: 'Courier Prime', monospace;
    font-size: 14px;
    font-weight: 700;
    font-style: normal;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.01em;
  }

  .mobile-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px;
  }

  .mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 1px;
    background: var(--text-secondary);
  }

  .project-tabs {
    display: flex;
    overflow-x: auto;
    padding: 0 24px;
    border-bottom: 0.5px solid var(--border);
    gap: 0;
    scrollbar-width: none;
  }

  .project-tabs::-webkit-scrollbar { display: none; }

  .project-tabs button {
    font-family: 'Courier Prime', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 1.5px solid transparent;
    padding: 14px 16px 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s;
    margin-bottom: -0.5px;
  }

  .project-tabs button.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
  }

  .content {
    margin-left: 0;
    padding: 28px 24px;
  }
}

@media (min-width: 681px) {
  .mobile-header { display: none; }
  .project-tabs { display: none; }
}

/* ── Mobile overlay ── */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 100;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 32px;
}

.mobile-overlay.open { display: flex; }

.mobile-overlay-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 20px;
  height: 20px;
  justify-content: center;
}

.mobile-overlay-close span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-secondary);
  position: absolute;
}

.mobile-overlay-close span:first-child { transform: rotate(45deg); }
.mobile-overlay-close span:last-child  { transform: rotate(-45deg); }

.mobile-overlay-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-overlay-nav a {
  font-family: 'Courier Prime', monospace;
  font-size: 28px;
  font-weight: 700;
  font-style: normal;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.mobile-overlay-nav a:hover { color: var(--text-secondary); }