/* ═══════════════════════════════════════
   LAYOUT — Öberg Light Style
   Clean white, editorial grid, bold type
═══════════════════════════════════════ */

/* HEADER */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 var(--padding);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
header.scrolled {
  border-color: var(--border-light);
}
.logo {
  font-family: var(--font-body);
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.logo span {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

nav { display: flex; align-items: center; gap: 36px; margin-left: auto; }
nav a {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
  letter-spacing: -0.01em;
}
nav a:hover, nav a.active { color: var(--text); }
nav a.nav-cta {
  padding: 10px 24px;
  background: var(--text);
  color: var(--white);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0;
  border-radius: 4px;
  transition: opacity 0.2s ease;
}
nav a.nav-cta:hover { opacity: 0.8; }

a.logo { text-decoration: none; }

/* HERO */
.hero {
  min-height: 60vh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: calc(var(--header-h) + 24px) var(--padding) 40px;
  border-bottom: 1px solid var(--border-light);
}
.hero-content { align-self: end; }
.hero-title { margin-bottom: 32px; }
.hero-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.hero-sub { max-width: 480px; }
.hero-scroll-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* SECTIONS */
section { padding: var(--space-xl) var(--padding); }
.page-main {
  padding: calc(var(--header-h) + 80px) var(--padding) var(--space-xl);
  min-height: 100vh;
}
.section-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 64px;
  padding-bottom: 24px;
}
.section-header-desc {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 400px;
  align-self: end;
}

/* PILLARS */
.pillars { background: var(--bg); padding-top: var(--space-lg); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-light);
}
.pillar {
  padding: 32px 40px;
  border-right: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: auto;
  position: relative;
  transition: background 0.3s ease;
  text-decoration: none;
  color: inherit;
  background-image: radial-gradient(circle, rgba(0,0,0,0.12) 1px, transparent 1px);
  background-size: 12px 12px;
}

.pillar:hover {
  background-color: var(--surface);
  background-image: radial-gradient(circle, rgba(0,0,0,0.09) 1px, transparent 1px);
  background-size: 12px 12px;
}

.pillar-index {
  font-family: var(--font-mono);
  font-size: 20pt;
  color: var(--text);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #F5C842;
}
.pillar h3 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.0;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-top: auto;
}
.pillar p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.pillar-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}
.pillar-tag::after {
  content: '→';
  transition: transform 0.25s ease;
}
.pillar:hover .pillar-tag {
  color: var(--text);
}
.pillar:hover .pillar-tag::after {
  transform: translateX(4px);
}

/* ABOUT GRID */
.about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.about-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.about-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
}
.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
  background: var(--text);
  padding: 14px 28px;
  transition: opacity 0.2s ease;
  align-self: flex-start;
  text-transform: uppercase;
}
.about-cta:hover { opacity: 0.75; }

/* ABOUT TAGS */
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  display: inline-block;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.tag:hover { color: var(--text); border-color: var(--text); }

/* PROJECTS GRID */
.filter-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  transition: all 0.2s ease;
  background: var(--bg);
}
.filter-btn:hover { color: var(--text); border-color: var(--border); }
.filter-btn.active {
  background: var(--text);
  color: var(--white);
  border-color: var(--text);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.project-card {
  background: var(--bg);
  overflow: hidden;
  transition: opacity 0.3s ease;
  cursor: pointer;
  border: none;
  display: block;
}
.project-card:hover { opacity: 0.85; }
.project-img {
  aspect-ratio: 4/3;
  background: var(--surface);
  overflow: hidden;
}
.project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-img img { transform: scale(1.03); }
.project-info { padding: 24px; }
.project-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: block;
  margin-bottom: 10px;
}
.project-info h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 8px;
  text-transform: uppercase;
  line-height: 1.0;
  letter-spacing: 0.01em;
}
.project-info p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* CONTACT */
.contact-page { max-width: 100%; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  margin-top: 48px;
}
.contact-list { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.contact-list li { display: flex; flex-direction: column; gap: 4px; }
.contact-list li span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact-list li a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
}
.contact-list li a:hover { color: var(--text-muted); }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input, .form-group textarea {
  background: var(--bg);
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  padding: 12px 0;
  outline: none;
  transition: border-color 0.2s ease;
  resize: none;
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--text);
}
.form-group input::placeholder, .form-group textarea::placeholder {
  color: var(--text-dim);
}
.submit-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--white);
  background: var(--text);
  padding: 16px 36px;
  align-self: flex-start;
  transition: opacity 0.2s ease;
  margin-top: 8px;
}
.submit-btn:hover { opacity: 0.75; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border-light);
  padding: 56px var(--padding);
  background-color: var(--bg);
  background-image: radial-gradient(circle, rgba(0,0,0,0.12) 1px, transparent 1px);
  background-size: 12px 12px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 80px;
  margin-bottom: 56px;
  padding-bottom: 56px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}
.cv-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--text);
  border: 1.5px solid var(--text);
  padding: 10px 22px;
  transition: background 0.2s ease, color 0.2s ease;
}
.cv-btn:hover { background: var(--text); color: var(--white); }

/* SOCIAL LINKS */
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.social-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.social-link:hover { color: var(--text); }

/* Case studies tighter padding — handled in responsive.css */


/* ── CASE STUDIES ── */
.case-studies { padding: calc(var(--space-xl) / 2) var(--padding) calc(var(--space-xl) / 4); background: var(--bg); }
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--bg);
}
.case-card {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: opacity 0.3s ease;
}
.case-card:hover { opacity: 0.88; }
.case-img { aspect-ratio: 3/2; overflow: hidden; background: var(--surface); }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card:hover .case-img img { transform: scale(1.04); }
.case-body { padding: 32px 32px 40px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.case-index { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); }
.case-title { font-family: var(--font-display); font-size: 30px; font-weight: 400; color: var(--text); line-height: 1.05; text-transform: uppercase; letter-spacing: 0.01em; }
.case-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 16px; }
.case-tag-item { font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border); padding: 4px 10px; }
.case-cta { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; transition: gap 0.2s ease; }
.case-card:hover .case-cta { gap: 14px; }

/* ── OTHER PROJECTS ── */
.other-projects { padding: 0 var(--padding) var(--space-xl); background: var(--bg); }
.other-header { display: flex; align-items: center; justify-content: space-between; padding: 32px 0; margin-bottom: 2px; }
.other-header-title { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); }
.see-all-link { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); display: inline-flex; align-items: center; gap: 8px; transition: color 0.2s ease, gap 0.2s ease; }
.see-all-link:hover { color: var(--text); gap: 14px; }

/* Hide empty placeholder cards */
.project-card[style*="visibility:hidden"] {
  background: transparent !important;
  border: none !important;
  pointer-events: none !important;
}