/* =========================================================
   ROOT & RESET
   ========================================================= */
:root {
  --bg:          #f7f5f2;
  --bg-card:     #ffffff;
  --bg-subtle:   #f0ede8;
  --border:      #e2ddd7;
  --text:        #1a1714;
  --text-muted:  #6b6560;
  --text-light:  #9e9893;
  --accent:      #2a6b5f;
  --accent-dark: #1f5248;
  --accent-tint: #e6f0ee;
  --nav-bg:      #3a3632;
  --nav-text:    #ede9e4;
  --nav-muted:   #9e9893;
  --nav-h:       64px;
  --max-w:       900px;
  --radius:      10px;
  --transition:  0.18s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.75; }

img { max-width: 100%; display: block; }
ul { list-style: none; }

/* =========================================================
   LAYOUT
   ========================================================= */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--border); }

/* =========================================================
   NAVIGATION  (dark bar)
   ========================================================= */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: var(--nav-bg);
  box-shadow: 0 1px 0 rgba(0,0,0,0.12);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-weight: 600;
  font-size: 1rem;
  color: var(--nav-text);
  letter-spacing: -0.01em;
}
.nav-brand:hover { opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--nav-muted);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--nav-text);
  background: rgba(255,255,255,0.08);
  opacity: 1;
}

.nav-icon {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--nav-muted);
  transition: color var(--transition), background var(--transition);
}
.nav-icon:hover {
  color: var(--nav-text);
  background: rgba(255,255,255,0.08);
  opacity: 1;
}
.nav-icon svg { width: 18px; height: 18px; fill: currentColor; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--nav-muted);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--nav-bg);
  border-bottom: 1px solid rgba(0,0,0,0.15);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 2px;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  color: var(--nav-muted);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 1rem;
}
.nav-drawer a:hover,
.nav-drawer a.active {
  color: var(--nav-text);
  background: rgba(255,255,255,0.08);
  opacity: 1;
}
.nav-drawer-icons {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  padding: 0 4px;
}

/* =========================================================
   PAGE OFFSET
   ========================================================= */
.page-body {
  padding-top: var(--nav-h);
  min-height: calc(100vh - var(--nav-h));
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: 88px 0 72px;
  display: flex;
  align-items: center;
  gap: 64px;
  position: relative;
}

.hero-text { flex: 1; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  opacity: 1;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--bg-subtle);
  border-color: var(--text-muted);
  opacity: 1;
}

.btn-sm { padding: 7px 16px; font-size: 0.82rem; }

/* =========================================================
   HERO PHOTO
   ========================================================= */
.hero-photo { flex-shrink: 0; }

.hero-photo img {
  width: 192px;
  height: 192px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* =========================================================
   SECTION LABELS & TITLES
   ========================================================= */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--text);
}

/* =========================================================
   ABOUT SECTION
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 14px;
  font-size: 0.97rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.skill-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  transition: border-color var(--transition), color var(--transition);
}
.skill-tag:hover { border-color: var(--accent); color: var(--accent); }

.what-i-do {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.what-i-do li {
  color: var(--text-muted);
  font-size: 0.97rem;
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.what-i-do li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 500;
}

/* =========================================================
   PAGE HEADER  (projects, blog)
   ========================================================= */
.page-header {
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 44px;
}

.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-header p {
  color: var(--text-muted);
  margin-top: 6px;
  font-size: 1rem;
}

/* =========================================================
   PROJECTS GRID
   ========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
  padding-bottom: 80px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(42, 107, 95, 0.08);
  transform: translateY(-2px);
}

.project-visual {
  height: 190px;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.project-visual img { width: 100%; height: 100%; object-fit: cover; }

.project-visual--placeholder {
  flex-direction: column;
  gap: 8px;
  border: 2px dashed var(--border);
  background: var(--bg);
}
.project-visual-label {
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

.project-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.project-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.project-body > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
  flex: 1;
}

.project-features { margin-bottom: 18px; }
.project-features li {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 3px 0 3px 14px;
  position: relative;
}
.project-features li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.project-tag {
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
}

.project-links { display: flex; gap: 10px; }

/* =========================================================
   BLOG LISTING
   ========================================================= */
.blog-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 80px;
}

.blog-card {
  background: var(--bg-card);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  cursor: pointer;
  transition: background var(--transition);
  color: inherit;
}
.blog-card:hover { background: var(--bg-subtle); opacity: 1; }

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--text-light);
}

.blog-tag {
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 20px;
}

.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--text);
  transition: color var(--transition);
}
.blog-card:hover h3 { color: var(--accent); }

.blog-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

.blog-arrow {
  color: var(--text-light);
  font-size: 1.2rem;
  transition: transform var(--transition), color var(--transition);
}
.blog-card:hover .blog-arrow { transform: translateX(3px); color: var(--accent); }

/* =========================================================
   BLOG POST PAGE
   ========================================================= */
.post-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}

.post-header h1 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
  margin-top: 16px;
  color: var(--text);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.post-back:hover { color: var(--accent); opacity: 1; }

.post-content {
  max-width: 660px;
  padding-bottom: 80px;
}

.post-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 44px 0 16px;
  color: var(--text);
}

.post-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}

.post-content p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 0.97rem;
}

.post-content ul,
.post-content ol {
  padding-left: 20px;
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 0.97rem;
}
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 6px; }

.post-content code {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.84em;
  color: var(--accent-dark);
}

.post-content pre {
  background: var(--nav-bg);
  border: 1px solid #2a2926;
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  margin-bottom: 24px;
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #d4d0ca;
  font-size: 0.875rem;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 28px 0;
  color: var(--text-muted);
  font-style: italic;
}

.post-content a { color: var(--accent); }
.post-content a:hover { text-decoration: underline; }

.post-content strong { color: var(--text); font-weight: 600; }

/* =========================================================
   DIVIDER
   ========================================================= */
.divider { height: 1px; background: var(--border); }

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: var(--nav-bg);
  border-top: 1px solid rgba(0,0,0,0.15);
  padding: 32px 0;
  text-align: center;
  color: var(--nav-muted);
  font-size: 0.85rem;
}
footer a { color: var(--nav-muted); transition: color var(--transition); }
footer a:hover { color: var(--nav-text); opacity: 1; }

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero {
    flex-direction: column-reverse;
    padding: 48px 0 40px;
    gap: 32px;
    text-align: center;
  }
  .hero-sub { margin: 0 auto 28px; }
  .hero-actions { justify-content: center; }
  .hero-photo img { width: 148px; height: 148px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }

  .blog-card { grid-template-columns: 1fr; }
  .blog-arrow { display: none; }

  .section { padding: 52px 0; }
  .container { padding: 0 20px; }
}

/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .nav-drawer { padding: 12px 16px 20px; }

  .hero h1 { font-size: 1.65rem; }
  .hero-photo img { width: 120px; height: 120px; }
  .hero-sub { font-size: 0.97rem; }

  .btn { padding: 9px 16px; font-size: 0.85rem; }
  .blog-card { padding: 20px; }
  .post-header { padding: 36px 0 28px; }
  .post-content { padding-bottom: 56px; }
}