@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Variables ── */
:root {
  --bg:          #2a2622;
  --bg-dark:     #211e1b;
  --bg-card:     #322e2a;
  --bg-card2:    #3a3530;
  --accent:      #c4541f;
  --accent-h:    #d96025;
  --stone:       #f5f3ef;
  --text:        #ffffff;
  --text-2:      #cccccc;
  --border:      #3d3730;
  --ph-bg:       #1e1b18;
  --ph-border:   #2e2a26;
  --ph-text:     #4a4540;
  --radius:      6px;
  --max-w:       1140px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: 6rem 0; }

/* ── Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  transition: background 0.3s, box-shadow 0.3s;
}
.site-nav.scrolled {
  background: rgba(33, 30, 27, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.site-nav.menu-open {
  backdrop-filter: none;
}
.nav-logo {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-texture {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-texture::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/david-texture.jpg') center / cover no-repeat;
}
.hero-texture::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--bg-dark) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: 5rem;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.hero-name {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--stone);
  margin-bottom: 0.6rem;
}
.hero-descriptor {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-bottom: 2.75rem;
  max-width: 540px;
}
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-h);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  margin-left: 1rem;
}
.btn-ghost:hover {
  border-color: var(--text-2);
  color: var(--text);
}

/* ── Section Labels ── */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 3.5rem;
}

/* ── Selected Work Cards ── */
#selected-work { background: var(--bg); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.work-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.work-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.card-full-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}
.card-thumb {
  display: block;
  overflow: hidden;
}
.card-thumb .img-placeholder { border-radius: 0; border: none; border-bottom: 1px solid var(--ph-border); }
.work-card:hover .card-thumb .img-placeholder { transform: scale(1.02); }
.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-tags {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.card-body p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.25rem;
}
.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.2s;
  align-self: flex-start;
}
.work-card:hover .card-link { color: var(--accent-h); }

/* ── Contact Section ── */
#contact {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}
.contact-inner {
  max-width: 620px;
}
.contact-inner .section-title { margin-bottom: 0.75rem; }
.contact-sub {
  color: var(--text-2);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.contact-email {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  margin-bottom: 1.75rem;
}
.contact-email:hover { border-color: var(--accent); }
.contact-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.contact-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.contact-link:hover { color: var(--text); }
.contact-sep { color: var(--border); }

/* ── Footer ── */
footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--ph-text);
}

/* ── About Page ── */
.about-page { padding-top: 10rem; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}
.about-sidebar .eyebrow { margin-bottom: 2rem; }
.about-meta dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.about-meta dd {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.about-body p {
  color: var(--text-2);
  margin-bottom: 1.4rem;
  font-size: 1rem;
  line-height: 1.8;
}
.about-body p:last-of-type { margin-bottom: 2.5rem; }
.about-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Case Study Pages ── */
.cs-page { padding-top: 8rem; }
.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 3rem;
  transition: color 0.2s;
}
.cs-back:hover { color: var(--accent); }
.cs-header { max-width: 820px; margin-bottom: 1.5rem; }
.cs-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.cs-tagline {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 2rem;
}
.cs-intro {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 760px;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  margin-bottom: 0;
}
.cs-meta {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.cs-meta-item dt {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}
.cs-meta-item dd {
  font-size: 0.875rem;
  color: var(--text-2);
}

/* ── Deliverables ── */
.deliverables { padding: 1.5rem 0 6rem; }
.deliverable {
  margin-bottom: 3.5rem;
}
.deliverable figcaption {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  max-width: 860px;
}
.deliverable-centered {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Two-column grid */
.img-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}
.img-grid-2col .deliverable { margin-bottom: 0; }

/* Zinnia brochure + banner layout */
.zinnia-brochure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}
.zinnia-brochure-grid .deliverable { margin-bottom: 0; }
.zinnia-brochure-grid .deliverable:nth-child(1) { grid-column: 1; grid-row: 1; }
.zinnia-brochure-grid .deliverable:nth-child(2) { grid-column: 1; grid-row: 2; }
.zinnia-brochure-grid .deliverable:nth-child(3) { grid-column: 1; grid-row: 3; }
.zinnia-brochure-grid .banner-figure { grid-column: 2; grid-row: 1 / 4; }

/* Riskworld brochure grid: 3 left col, 2 right col */
.riskworld-brochure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}
.riskworld-brochure-grid .deliverable { margin-bottom: 0; }
.riskworld-brochure-grid .deliverable:nth-child(1) { grid-column: 1; grid-row: 1; }
.riskworld-brochure-grid .deliverable:nth-child(2) { grid-column: 1; grid-row: 2; }
.riskworld-brochure-grid .deliverable:nth-child(3) { grid-column: 1; grid-row: 3; }
.riskworld-brochure-grid .deliverable:nth-child(4) { grid-column: 2; grid-row: 1; }
.riskworld-brochure-grid .deliverable:nth-child(5) { grid-column: 2; grid-row: 2; }

/* Reception suite */
.reception-suite {
  border-top: 1px solid var(--border);
  padding-top: 3.5rem;
  margin-bottom: 3.5rem;
}
.reception-suite-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.reception-suite-images .deliverable { margin-bottom: 0; }
.reception-suite-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* Thought leadership links */
.tl-block {
  margin-bottom: 3.5rem;
}
.tl-block h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.tl-links { display: flex; flex-direction: column; gap: 0; }
.tl-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s, gap 0.2s;
}
.tl-link:hover { color: var(--accent-h); gap: 1rem; }
.tl-link::after { content: '↗'; font-size: 0.85rem; }

/* ── Case Study Bottom Nav ── */
.cs-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3.5rem;
}
.cs-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.cs-nav-link.next { align-items: flex-end; }
.cs-nav-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}
.cs-nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  transition: color 0.2s;
}
.cs-nav-link:hover .cs-nav-title { color: var(--accent-h); }
.cs-nav-spacer { flex: 1; }

/* ── Placeholder Images ── */
.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 4rem 2rem;
  background: var(--ph-bg);
  border: 1px solid var(--ph-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease;
}
.deliverable .img-placeholder:hover { transform: scale(1.02); }
.img-placeholder .ph-icon {
  width: 28px;
  height: 28px;
  opacity: 0.25;
}
.img-placeholder .ph-label {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--ph-text);
  text-align: center;
  padding: 0 1rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .work-grid { grid-template-columns: 1fr; max-width: 480px; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .img-grid-2col { grid-template-columns: 1fr; }
  .zinnia-brochure-grid {
    grid-template-columns: 1fr;
  }
  .zinnia-brochure-grid .deliverable:nth-child(1),
  .zinnia-brochure-grid .deliverable:nth-child(2),
  .zinnia-brochure-grid .deliverable:nth-child(3),
  .zinnia-brochure-grid .banner-figure {
    grid-column: 1;
    grid-row: auto;
  }
  .riskworld-brochure-grid { grid-template-columns: 1fr; }
  .riskworld-brochure-grid .deliverable {
    grid-column: 1 !important;
    grid-row: auto !important;
  }
  .reception-suite-images { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 190;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.25rem; }
  .nav-toggle { display: flex; z-index: 195; }

  .site-nav { padding: 1.25rem 1.5rem; }
  section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
  .hero-content { padding: 0 1.25rem; padding-top: 1.5rem; }
  .cs-page { padding-top: 6rem; }
  .cs-nav { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
  .cs-nav-link.next { align-items: flex-start; }
  .about-page { padding-top: 7rem; }
  .cs-meta { gap: 1.5rem; }
  .btn-ghost { margin-left: 0; }
}