/* Fieldwork Films production studio
   Palette: ink/cream/gold. Type: Archivo + Source Serif 4 + Inter.
*/

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 7rem);

  /* Spacing 4px base */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Colors: documentary editorial dark */
  --ink:        #141311;
  --ink-soft:   #1c1b18;
  --ink-line:   #2b2925;
  --paper:      #efe9dc;   /* warm cream body text */
  --paper-mute: #a59f93;
  --paper-faint:#6f6a60;
  --gold:       #c2a36b;
  --gold-hover: #d6b87f;

  --max-w: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--gold); color: var(--ink); }

a {
  color: var(--paper);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover { color: var(--gold); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.serif {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.02;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ----- Layout ----- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin: 0 0 var(--space-4) 0;
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 10px;
  transform: translateY(-1px);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 19, 17, 0.78);
  backdrop-filter: saturate(120%) blur(10px);
  -webkit-backdrop-filter: saturate(120%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--ink-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
}
.logo:hover { color: var(--paper); }
.logo svg { display: block; }
.logo .word {
  font-family: "Archivo", "Inter", system-ui, sans-serif;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  font-weight: 600;
}
.logo .word em {
  font-style: normal;
  color: var(--gold);
  font-weight: 600;
}
.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.nav-links a.active,
.nav-links a:hover { color: var(--paper); }
.nav-cta {
  border: 1px solid var(--ink-line);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  color: var(--paper) !important;
  transition: background .2s ease, border-color .2s ease;
}
.nav-cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink) !important;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 0;
  color: var(--paper);
  padding: 8px;
  cursor: pointer;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0.95rem 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover { background: var(--gold-hover); color: var(--ink); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--ink-line);
}
.btn-ghost:hover { border-color: var(--paper-mute); color: var(--paper); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ----- Hero ----- */
.hero {
  position: relative;
  padding-top: clamp(var(--space-16), 10vw, var(--space-32));
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-24));
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
}
.hero h1 {
  font-family: "Archivo", "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: var(--text-hero);
  line-height: 0.94;
  letter-spacing: -0.065em;
  margin: 0 0 var(--space-8) 0;
}
.hero h1 em {
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: -0.045em;
}
.hero p.lede {
  font-size: var(--text-lg);
  color: var(--paper);
  max-width: 38ch;
  margin: 0 0 var(--space-10) 0;
  line-height: 1.45;
}
.hero .ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.hero-still {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink-soft);
  overflow: hidden;
}
.hero-still img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: contrast(1.02) saturate(0.96);
}
.hero-still::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20,19,17,0.55));
  pointer-events: none;
}
.hero-still .credit {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  color: var(--paper);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.85;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--ink-line);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero-meta .col {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
}
.hero-meta .num {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--gold);
}
.hero-meta .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ----- Marquee clients ----- */
.clients {
  border-block: 1px solid var(--ink-line);
  padding-block: var(--space-8);
  background: var(--ink-soft);
  overflow: hidden;
}
.clients-row {
  display: flex;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
  white-space: nowrap;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--paper-mute);
  font-style: italic;
  animation: marquee 60s linear infinite;
}
.clients-row span { display: inline-block; }
.clients-row .dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  vertical-align: middle;
  margin-inline: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .clients-row { animation: none; }
}

/* ----- Section heads ----- */
.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: end;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--ink-line);
}
.section-head h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 22ch;
}
.section-head h2 em { font-style: italic; color: var(--gold); }
.section-head .meta {
  text-align: right;
  color: var(--paper-mute);
  font-size: 0.78rem;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: end;
}

/* ----- Work grid ----- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(var(--space-4), 2vw, var(--space-8)) clamp(var(--space-4), 2vw, var(--space-6));
}
.proj {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-decoration: none;
}
.proj.tall  { grid-column: span 5; }
.proj.wide  { grid-column: span 7; }
.proj.full  { grid-column: span 12; }
.proj.third { grid-column: span 4; }
.proj.two-third { grid-column: span 8; }

.proj-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--ink-soft);
}
.proj.tall .proj-thumb { aspect-ratio: 16/9; }
.proj-thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  background: var(--ink-soft);
  transition: transform .9s cubic-bezier(.16,1,.3,1), filter .4s ease;
  filter: contrast(1.02) saturate(0.96);
}
.proj:hover .proj-thumb img {
  transform: scale(1.04);
  filter: contrast(1.05) saturate(1.0);
}
.proj-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20,19,17,0.4));
  pointer-events: none;
}
.proj-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: var(--space-2);
  gap: var(--space-3);
}
.proj-title {
  font-family: "Archivo", "Inter", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.proj-cat {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
  white-space: nowrap;
}
.proj-client {
  color: var(--paper-mute);
  font-size: 0.9rem;
  margin: 0;
}

/* ----- Services ----- */
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink-line);
  border-left: 1px solid var(--ink-line);
}
.service {
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  border-right: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
  background: var(--ink);
  transition: background .3s ease;
}
.service:hover { background: var(--ink-soft); }
.service-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.service h3 {
  font-family: "Archivo", "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: var(--text-xl);
  line-height: 1.1;
  margin: var(--space-4) 0 var(--space-3);
  letter-spacing: -0.04em;
}
.service h3 em { font-style: normal; color: var(--gold); }
.service p {
  color: var(--paper-mute);
  margin: 0;
  font-size: 0.98rem;
}
.service ul {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  color: var(--paper-mute);
  font-size: 0.88rem;
}
.service ul li {
  padding: 0.35rem 0;
  border-top: 1px dashed var(--ink-line);
}

/* ----- About / Two-col ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
.two-col h2 { margin: 0 0 var(--space-6) 0; }
.two-col p {
  margin: 0 0 var(--space-4);
  color: var(--paper);
}
.two-col p.muted { color: var(--paper-mute); }

/* ----- CTA block ----- */
.cta-block {
  border: 1px solid var(--ink-line);
  padding: clamp(var(--space-12), 8vw, var(--space-24));
  text-align: center;
  background: linear-gradient(180deg, var(--ink-soft), var(--ink));
}
.cta-block h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: 1.05;
  margin: 0 0 var(--space-6) 0;
  letter-spacing: -0.025em;
}
.cta-block h2 em { font-style: italic; color: var(--gold); }
.cta-block p {
  max-width: 52ch;
  margin: 0 auto var(--space-10);
  color: var(--paper-mute);
  font-size: var(--text-base);
}

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid var(--ink-line);
  padding-block: var(--space-16) var(--space-8);
  background: var(--ink);
  color: var(--paper-mute);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-12);
}
.footer-grid h4 {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin: 0 0 var(--space-4);
  font-weight: 500;
}
.footer-grid a { display: block; padding: 4px 0; color: var(--paper); }
.footer-tagline {
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--paper);
  line-height: 1.3;
  max-width: 30ch;
  margin-top: var(--space-3);
}
.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--ink-line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

/* ----- Filter chips (Work page) ----- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
}
.filter {
  background: transparent;
  border: 1px solid var(--ink-line);
  color: var(--paper-mute);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s ease;
}
.filter:hover { color: var(--paper); border-color: var(--paper-mute); }
.filter.active {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

/* ----- Video embed ----- */
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--ink-soft);
  overflow: hidden;
}
.video-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.video-stack {
  display: grid;
  gap: var(--space-12);
}
.video-extras {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
  padding-top: var(--space-4);
}
.video-extra .eyebrow {
  margin-bottom: var(--space-3);
}

/* ----- Contact page ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
.contact-card {
  border: 1px solid var(--ink-line);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background: var(--ink-soft);
}
.contact-card h3 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: 1.4rem;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}
.contact-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--ink-line);
  gap: var(--space-4);
}
.contact-row:first-of-type { border-top: 0; }
.contact-row .k {
  color: var(--paper-mute);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contact-row .v { color: var(--paper); }
.contact-row .v a { color: var(--paper); }
.contact-row .v a:hover { color: var(--gold); }

.inquiry-list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  color: var(--paper-mute);
}
.inquiry-list li {
  padding: 0.5rem 0;
  border-top: 1px dashed var(--ink-line);
  font-size: 0.95rem;
}
.inquiry-list li::before {
  content: "•";
  color: var(--gold);
  margin-right: 12px;
}

/* ----- Mobile ----- */
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--ink-soft);
    padding: var(--space-6) var(--gutter) var(--space-8);
    border-bottom: 1px solid var(--ink-line);
    gap: var(--space-4);
    align-items: flex-start;
  }
  .menu-btn { display: inline-flex; }

  .hero-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero-still { aspect-ratio: 16/9; max-height: 70vh; }
  .hero h1 { font-size: clamp(2.5rem, 12vw, 4rem); }

  .proj, .proj.tall, .proj.wide, .proj.full, .proj.third, .proj.two-third {
    grid-column: span 12;
  }
  .services { grid-template-columns: 1fr; }
  .two-col, .contact-grid, .video-extras { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .section-head { grid-template-columns: 1fr; gap: var(--space-3); }
  .section-head .meta { text-align: left; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}