@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

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

:root {
  --black: #111110;
  --gray-dark: #333331;
  --gray-mid: #888780;
  --gray-light: #E8E6E0;
  --gray-pale: #F5F4F0;
  --white: #FEFEFE;
  --accent: #1A3A2A;
  --accent-light: #2E6B4A;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(254,254,254,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-light);
  display: flex; align-items: center;
  padding: 0 5vw;
}
.nav-inner {
  width: 100%; max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--black);
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--accent-light); font-style: italic; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-dark);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-light); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--black); margin: 5px 0;
  transition: all 0.25s;
}

/* ── PAGE WRAPPER ── */
.page { padding-top: var(--nav-h); }

/* ── HERO ── */
.hero {
  min-height: 88vh;
  display: flex; align-items: center;
  padding: 6rem 5vw 4rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 50%; height: 100%;
  background: var(--gray-pale);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}
.hero-inner {
  width: 100%; max-width: 1200px; margin: 0 auto;
  position: relative; z-index: 1;
}
.hero-eyebrow {
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 700px;
  margin-bottom: 1.75rem;
}
.hero h1 em { font-style: italic; color: var(--accent-light); }
.hero-sub {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--gray-dark);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.875rem 2rem;
  font-family: var(--sans); font-size: 0.875rem;
  font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
  border: 1.5px solid var(--black);
  color: var(--white); background: var(--black);
  cursor: pointer; transition: all 0.2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-outline {
  background: transparent; color: var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }

/* ── SECTION ── */
section { padding: 6rem 5vw; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-lead {
  font-size: 1.05rem; font-weight: 300;
  color: var(--gray-dark);
  max-width: 560px; line-height: 1.8;
  margin-bottom: 3.5rem;
}

/* ── PORTFOLIO GRID ── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.4rem 1.1rem;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.05em; text-transform: uppercase;
  border: 1px solid var(--gray-light);
  background: transparent; color: var(--gray-mid);
  cursor: pointer; transition: all 0.18s;
}
.filter-btn:hover { border-color: var(--gray-dark); color: var(--black); }
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.project-card {
  background: var(--gray-pale);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s;
}
.project-card:hover { transform: translateY(-4px); }
.project-card:hover .card-img img { transform: scale(1.04); }
.card-img {
  height: 220px; overflow: hidden;
  background: var(--gray-light);
  display: flex; align-items: center; justify-content: center;
}
.card-img img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.4s; }
.card-img .placeholder {
  font-family: var(--serif); font-size: 2.5rem;
  color: var(--gray-mid); font-style: italic;
}
.card-body { padding: 1.5rem; }
.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }
.tag {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-light);
  padding: 0.2rem 0.6rem;
  background: rgba(46,107,74,0.08);
}
.card-title {
  font-family: var(--serif);
  font-size: 1.25rem; line-height: 1.3;
  margin-bottom: 0.5rem;
}
.card-desc {
  font-size: 0.9rem; color: var(--gray-dark);
  font-weight: 300; line-height: 1.6;
}

/* ── CLIENTS ── */
.clients-section { background: var(--gray-pale); }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.client-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem; padding: 2rem 1rem;
  background: var(--white);
  border: 1px solid var(--gray-light);
  text-align: center;
}
.client-logo {
  width: 64px; height: 64px; object-fit: contain;
}
.client-logo-placeholder {
  width: 64px; height: 64px;
  background: var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.4rem;
  color: var(--gray-mid); font-style: italic;
}
.client-name { font-size: 0.85rem; font-weight: 500; color: var(--gray-dark); }

/* ── ABOUT / WHO WE ARE ── */
.about-section { border-top: 1px solid var(--gray-light); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-stat {
  font-family: var(--serif); font-size: 3.5rem;
  color: var(--accent-light); line-height: 1;
  margin-bottom: 0.25rem;
}
.about-stat-label { font-size: 0.85rem; color: var(--gray-mid); font-weight: 300; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }

/* ── SERVICES ── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2px; margin-top: 0; }
.service-item {
  padding: 2.5rem;
  background: var(--gray-pale);
  border: 1px solid var(--gray-light);
  transition: background 0.2s;
}
.service-item:hover { background: var(--white); }
.service-number {
  font-family: var(--serif); font-size: 2.5rem;
  color: var(--gray-light); line-height: 1;
  margin-bottom: 1.25rem;
}
.service-title {
  font-weight: 500; font-size: 1.05rem;
  margin-bottom: 0.75rem;
}
.service-desc { font-size: 0.9rem; color: var(--gray-dark); font-weight: 300; line-height: 1.7; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-mid); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.875rem 1rem;
  border: 1px solid var(--gray-light);
  background: var(--gray-pale);
  font-family: var(--sans); font-size: 0.95rem;
  color: var(--black);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent-light); background: var(--white); }
.form-group textarea { min-height: 140px; resize: vertical; }
.contact-info p { font-weight: 300; color: var(--gray-dark); margin-bottom: 2rem; line-height: 1.8; }
.contact-detail { display: flex; flex-direction: column; gap: 1rem; }
.contact-detail-item { display: flex; flex-direction: column; gap: 0.2rem; }
.contact-detail-item .label { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray-mid); }
.contact-detail-item .value { font-size: 1rem; color: var(--black); }
.contact-detail-item .value a:hover { color: var(--accent-light); }

/* ── FOOTER ── */
footer {
  background: var(--black);
  color: var(--gray-light);
  padding: 3rem 5vw;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-logo { font-family: var(--serif); font-size: 1.1rem; color: var(--white); }
.footer-logo span { font-style: italic; color: var(--accent-light); }
.footer-copy { font-size: 0.8rem; color: var(--gray-mid); }
.footer-link { color: var(--gray-light); font-size: 0.85rem; transition: color 0.2s; }
.footer-link:hover { color: var(--white); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 5rem 5vw 3rem;
  border-bottom: 1px solid var(--gray-light);
}
.page-hero-inner { max-width: 1200px; margin: 0 auto; }
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1; letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.page-hero p { font-size: 1.05rem; font-weight: 300; color: var(--gray-dark); max-width: 540px; }

/* ── MODAL ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(17,17,16,0.7);
  backdrop-filter: blur(4px);
  overflow-y: auto;
  padding: 2rem;
}
.modal-overlay.open { display: flex; align-items: flex-start; justify-content: center; }
.modal {
  background: var(--white);
  max-width: 760px; width: 100%;
  margin: 2rem auto;
  position: relative;
}
.modal-close {
  position: absolute; top: 1.25rem; right: 1.25rem;
  background: none; border: none; cursor: pointer;
  font-size: 1.5rem; color: var(--gray-mid);
  line-height: 1;
}
.modal-close:hover { color: var(--black); }
.modal-img { width: 100%; height: 320px; object-fit: cover; background: var(--gray-light); display: flex; align-items: center; justify-content: center; }
.modal-img .placeholder { font-family: var(--serif); font-size: 3rem; color: var(--gray-mid); font-style: italic; }
.modal-body { padding: 2rem 2.5rem 2.5rem; }
.modal-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.modal-title { font-family: var(--serif); font-size: 1.75rem; line-height: 1.2; margin-bottom: 1rem; }
.modal-desc { font-weight: 300; color: var(--gray-dark); line-height: 1.8; }
.modal-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 1.5rem; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent-light); border-bottom: 1px solid var(--accent-light); padding-bottom: 1px; }

/* ── HIDDEN ── */
.hidden { display: none !important; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 680px) {
  .nav-links { display: none; flex-direction: column; position: fixed; inset: var(--nav-h) 0 0 0; background: var(--white); padding: 2rem; gap: 1.5rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero::before { width: 100%; clip-path: none; opacity: 0.4; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ── PROJECT DETAIL PAGE ── */
.project-hero {
  width: 100%;
  height: clamp(280px, 45vw, 520px);
  overflow: hidden;
  background: var(--gray-pale);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.project-hero img {
  width: 100%; height: 100%; object-fit: contain;
}
.project-hero .placeholder {
  font-family: var(--serif); font-size: 6rem;
  color: var(--gray-light); font-style: italic;
}

.project-detail { padding: 4rem 5vw 6rem; }
.project-detail-inner { max-width: 1000px; margin: 0 auto; }

.project-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 2.5rem;
  transition: color 0.2s;
}
.project-back:hover { color: var(--black); }

.project-meta {
  display: flex; flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--gray-light);
}
.project-meta-left { flex: 1; min-width: 280px; }
.project-meta-left h1 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.project-meta-left .card-tags { margin-bottom: 0; }
.project-meta-right { display: flex; flex-direction: column; gap: 1rem; align-items: flex-end; }

.project-body {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray-dark);
  line-height: 1.9;
  max-width: 720px;
  margin-bottom: 3.5rem;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.project-gallery-item {
  /* overflow: hidden; */
  background: var(--gray-pale);
  cursor: pointer;
  /* aspect-ratio: 4/3; */
}
.project-gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.project-gallery-item:hover img { transform: scale(1.04); }
.project-gallery-item .placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 2.5rem;
  color: var(--gray-mid); font-style: italic;
}

/* lightbox */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 300;
  background: rgba(17,17,16,0.92);
  align-items: center; justify-content: center;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 100%; max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 8px 48px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: fixed; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: white;
  font-size: 2rem; cursor: pointer; line-height: 1;
  opacity: 0.7; transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next {
  position: fixed; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: white;
  font-size: 2.5rem; cursor: pointer; padding: 1rem;
  opacity: 0.6; transition: opacity 0.2s; line-height: 1;
}
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.project-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 3rem; margin-top: 3rem;
  border-top: 1px solid var(--gray-light);
  gap: 1rem; flex-wrap: wrap;
}
.project-nav-item {
  display: flex; flex-direction: column; gap: 0.3rem;
  max-width: 45%;
}
.project-nav-item.next { align-items: flex-end; text-align: right; }
.project-nav-label {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gray-mid);
}
.project-nav-title {
  font-family: var(--serif); font-size: 1rem;
  color: var(--black); line-height: 1.3;
  transition: color 0.2s;
}
.project-nav-item a:hover .project-nav-title { color: var(--accent-light); }

/* project card as link */
a.project-card {
  display: block;
  text-decoration: none;
  color: inherit;
}