/* =============================================
   OLIVER THOMPSON — PORTFOLIO
   B&W with CMYK hints · Sora font
   ============================================= */

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

/* ─── VARIABLES ──────────────────────────────── */
:root {
  --bg:        #111110;
  --ink:       #f0f0ec;
  --ink-mid:   #888882;
  --ink-light: #555550;
  --border:    rgba(240, 240, 236, 0.1);

  /* CMYK accents — used sparingly */
  --cyan:    #00b4c8;
  --magenta: #e8006a;
  --yellow:  #ffe000;

  --font:  'Sora', sans-serif;
  --nav-h: 68px;
  --gutter: clamp(20px, 6vw, 96px);
}

/* ─── BASE ───────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ─── SECTION LABEL ──────────────────────────── */
.section-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 20px;
}

/* ─── PRIMARY BUTTON ─────────────────────────── */
.btn-primary {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  border: 2px solid var(--ink);
  padding: 14px 36px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-primary:hover {
  background: var(--ink);
  color: var(--bg);
}

/* ─── NAV ────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
  z-index: 100;
}

nav.scrolled { border-bottom-color: var(--border); }

.nav-logo {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-link {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mid);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--magenta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link.active { color: var(--ink); }

.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

/* ─── PAGE SWITCHING ─────────────────────────── */
.page, .case-page {
  display: none;
  padding-top: var(--nav-h);
  min-height: 100vh;
}

.page.active, .case-page.active { display: block; }

/* ─── FOOTER ─────────────────────────────────── */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px var(--gutter);
  border-top: 1px solid var(--border);
  margin-top: 120px;
}

footer a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

footer a:hover {
  color: var(--magenta);
  border-color: var(--magenta);
}

footer span {
  font-size: 0.7rem;
  color: var(--ink-light);
  letter-spacing: 0.1em;
}


/* ═══════════════════════════════════════════════
   HOME PAGE
═══════════════════════════════════════════════ */

/* ── Hero ── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  padding: 80px var(--gutter) 100px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-bottom: 1px solid var(--border);
}

.cmyk-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 40px;
}

.cmyk-dots span {
  display: block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.cmyk-dots .c { background: var(--cyan); }
.cmyk-dots .m { background: var(--magenta); }
.cmyk-dots .y { background: var(--yellow); }
.cmyk-dots .k { background: var(--ink); }

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(3.5rem, 9vw, 9.5rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin-bottom: 40px;
  max-width: 960px;
}

.hero-sub {
  font-size: 1rem;
  color: var(--ink-mid);
  max-width: 500px;
  margin-bottom: 48px;
  line-height: 1.8;
}

/* ── Featured Work ── */
.featured {
  padding: 100px var(--gutter);
}

.featured-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.see-all {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mid);
  cursor: pointer;
  transition: color 0.2s;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.see-all:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.featured-card { cursor: pointer; }

.featured-card .card-img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #222220;
  margin-bottom: 16px;
}

.featured-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.featured-card:hover .card-img img { transform: scale(1.04); }

.featured-card .card-info h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.featured-card .card-info span {
  font-size: 0.7rem;
  color: var(--ink-mid);
  letter-spacing: 0.06em;
}

/* ── About ── */
.about-section {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  min-height: 50vh;
  border-top: 1px solid var(--border);
}

.about-img {
  overflow: hidden;
  background: #1c1c1a;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(100%);
  transition: filter 0.5s ease;
}

.about-img:hover img { filter: grayscale(0%); }

.about-text {
  padding: 80px var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-text h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--ink-mid);
  max-width: 420px;
  line-height: 1.85;
  margin-bottom: 40px;
}

.services-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.services-list li {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}


/* ═══════════════════════════════════════════════
   WORK PAGE
═══════════════════════════════════════════════ */
.work-header {
  padding: 80px var(--gutter) 60px;
  border-bottom: 1px solid var(--border);
}

.work-header h1 {
  font-size: clamp(5rem, 13vw, 13rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.work-grid {
  padding: 60px var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 32px;
}

.work-card { cursor: pointer; }

.work-card .card-img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #222220;
  position: relative;
  margin-bottom: 16px;
}

.work-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.4s ease;
  filter: grayscale(30%);
}

.work-card:hover .card-img img {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 12, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-overlay span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #ffffff;
}

.work-card:hover .card-overlay { opacity: 1; }

.work-card .card-info h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.work-card .card-info span {
  font-size: 0.68rem;
  color: var(--ink-mid);
  letter-spacing: 0.06em;
}


/* ═══════════════════════════════════════════════
   CASE STUDY PAGES
═══════════════════════════════════════════════ */
.case-page > footer { margin-top: 100px; }

.case-nav {
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--border);
}

.back-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 0;
  transition: color 0.2s;
}

.back-btn:hover { color: var(--ink); }

.case-hero {
  padding: 80px var(--gutter) 72px;
  max-width: 880px;
}

.case-hero h1 {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.case-desc {
  font-size: 1rem;
  color: var(--ink-mid);
  max-width: 600px;
  line-height: 1.9;
}

.case-images {
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-img-full {
  width: 100%;
  height: auto;
  display: block;
}

.case-img-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.case-img-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* ── Video in case study ── */
.case-video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  overflow: hidden;
}

.video-facade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
  cursor: pointer;
  background: var(--ink);
  overflow: hidden;
}

.video-facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.88;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.video-facade:hover img {
  transform: scale(1.02);
  opacity: 1;
}

.video-play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.video-play-icon::before {
  content: '';
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.video-play-icon::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 22px;
  border-color: transparent transparent transparent var(--ink);
  margin-left: 5px;
}

.video-facade:hover .video-play-icon::before { transform: scale(1.1); }


/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 900px) {
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-section {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .about-img {
    aspect-ratio: 3 / 2;
  }

  .work-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 20px;
  }
}

@media (max-width: 600px) {
  :root { --nav-h: 60px; }

  .work-grid {
    grid-template-columns: 1fr;
  }

  .case-img-grid {
    grid-template-columns: 1fr;
  }

  .services-list {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}