@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg: hsl(20, 14%, 96%);
  --fg: hsl(15, 67%, 10%);
  --muted: hsl(15, 30%, 40%);
  --muted-bg: hsl(20, 10%, 90%);
  --border: hsl(20, 10%, 85%);
  --accent: hsl(358, 82%, 49%);
}

html { font-size: 16px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ── Layout ── */
.px { padding-left: 1.5rem; padding-right: 1.5rem; }
@media (min-width: 768px) { .px { padding-left: 3rem; padding-right: 3rem; } }

/* ── Header ── */
header {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
@media (min-width: 768px) { header { padding: 1.5rem 3rem; } }

header .logo img { height: 1.6rem; width: auto; }

nav.desktop { display: none; gap: 2rem; }
@media (min-width: 768px) { nav.desktop { display: flex; } }

nav a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.2s;
}
nav a:hover, nav a.active { color: var(--fg); font-weight: 600; }

.hamburger {
  display: flex;
  background: none;
  border: none;
  padding: 0;
  color: var(--fg);
}
@media (min-width: 768px) { .hamburger { display: none; } }

nav.mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
}
nav.mobile.open { display: flex; }
nav.mobile a { font-size: 0.875rem; }

/* ── Hero ── */
.hero {
  padding: 2rem 1.5rem 4rem;
  max-width: 48rem;
}
@media (min-width: 768px) { .hero { padding: 2rem 3rem 4rem; } }
.hero h1 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
.hero .cta {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.hero .cta:hover { color: var(--muted); border-color: var(--muted); }

/* ── Project Grid ── */
.filters {
  padding: 0 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 768px) { .filters { padding: 0 3rem 2rem; } }
.filters .label { font-size: 0.875rem; font-weight: 500; }
.filter-btns { display: flex; gap: 1rem; }
.filter-btn {
  font-size: 0.875rem;
  background: none;
  border: none;
  color: var(--muted);
  transition: color 0.2s;
  padding: 0;
}
.filter-btn:hover, .filter-btn.active { color: var(--fg); font-weight: 600; }

.grid-section { padding: 0 1.5rem 4rem; }
@media (min-width: 768px) { .grid-section { padding: 0 3rem 4rem; } }

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem 1.25rem;
}
@media (min-width: 640px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card { display: block; }
.project-card .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--muted-bg);
}
.project-card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}
.project-card:hover .thumb img { transform: scale(1.02); }
.project-card .info { margin-top: 0.5rem; font-size: 0.875rem; }
.project-card .info strong { font-weight: 600; }
.project-card .info span { color: var(--muted); }

.load-more {
    padding: 16px;
    text-align: center;
    background: var(--bg);

}
.load-more button {
  font-size: 16pt;
  background: none;
  border: none;
  color: var(--fg);
  transition: color 0.2s;
}
.load-more button:hover { color: var(--muted); }

/* ── Footer ── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 4rem;
}
@media (min-width: 768px) { footer { padding: 4rem 3rem; } }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; } }
.footer-grid nav, .footer-grid div { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-grid a, .footer-grid span { font-size: 0.875rem; color: var(--muted); transition: color 0.2s; }
.footer-grid a:hover { color: var(--fg); }
.footer-grid .bold { font-weight: 600; color: var(--fg); }

/* ── Page sections ── */
.page-hero {
  padding: 2rem 1.5rem 3rem;
  max-width: 48rem;
}
@media (min-width: 768px) { .page-hero { padding: 2rem 3rem 3rem; } }
.page-hero h1 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.page-hero p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
}

/* About */
.studio-photos {
  padding: 0 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .studio-photos { padding: 0 3rem 3rem; grid-template-columns: repeat(3, 1fr); }
}
.studio-photos img { width: 100%; height: 14rem; object-fit: cover; }
@media (min-width: 768px) { .studio-photos img { height: 14rem; } }

.about-text {
  padding: 0 1.5rem 4rem;
  max-width: 48rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
@media (min-width: 768px) { .about-text { padding: 0 3rem 4rem; } }
.about-text p { font-size: 0.875rem; line-height: 1.8; color: var(--muted); }

.leadership { padding: 0 1.5rem 4rem; }
@media (min-width: 768px) { .leadership { padding: 0 3rem 4rem; } }
.leadership h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 2rem; }
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (min-width: 768px) { .leaders-grid { grid-template-columns: repeat(4, 1fr); } }
.leader img { width: 100%; aspect-ratio: 1; object-fit: cover; margin-bottom: 0.75rem; }
.leader p { font-size: 0.875rem; font-weight: 600; }
.leader button {
  font-size: 0.875rem;
  color: var(--muted);
  background: none;
  border: none;
  text-decoration: underline;
  padding: 0;
  transition: color 0.2s;
}
.leader button:hover { color: var(--fg); }

/* Contact */
.contact-grid {
  padding: 3rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .contact-grid { padding: 5rem 3rem; grid-template-columns: repeat(2, 1fr); gap: 4rem; }
}
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-info h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 300; }
.contact-block { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.875rem; }
.contact-block .bold { font-weight: 600; }
.contact-block a { color: var(--muted); transition: color 0.2s; }
.contact-block a:hover { color: var(--fg); }
.contact-block span { color: var(--muted); }
.contact-art img { width: 100%; height: auto; }

/* Project Detail */
.project-detail { padding-bottom: 4rem; }
.breadcrumb {
  padding: 1rem 1.5rem 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}
@media (min-width: 768px) { .breadcrumb { padding: 1rem 3rem 0.5rem; } }
.breadcrumb a:hover { color: var(--fg); }
.project-title { padding: 0 1.5rem 2rem; }
@media (min-width: 768px) { .project-title { padding: 0 3rem 2rem; } }
.project-title h1 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 400; }
.project-img { padding: 0 1.5rem 2rem; }
@media (min-width: 768px) { .project-img { padding: 0 3rem 2rem; } }
.project-img img { max-width: 56rem; width: 100%; }
.project-desc { padding: 0 1.5rem 2.5rem; max-width: 48rem; }
@media (min-width: 768px) { .project-desc { padding: 0 3rem 2.5rem; } }
.project-desc p { font-size: 0.875rem; line-height: 1.8; color: var(--muted); }
.project-desc .label { font-size: 0.75rem; color: var(--muted); font-style: italic; margin-bottom: 0.5rem; }
.project-meta {
  padding: 2rem 1.5rem 4rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
@media (min-width: 768px) { .project-meta { padding: 2rem 3rem 4rem; } }

/* 404 */
.not-found {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--muted-bg);
}
.not-found h1 { font-size: 3rem; font-weight: 700; margin-bottom: 1rem; }
.not-found p { font-size: 1.25rem; color: var(--muted); margin-bottom: 1rem; }
.not-found a { color: var(--accent); text-decoration: underline; }

/* Scroll to top */
#scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--fg);
  color: var(--bg);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(1rem);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
#scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#scroll-top:hover { opacity: 0.85; }

/* Hidden utility */
.hidden { display: none !important; }