/* ==========================================================
   Mike Cook portfolio — shared styles
   Black, white and safety blue. Change a value here once
   and the whole site updates.
   ========================================================== */

:root {
  --white: #ffffff;
  --black: #000000;
  --gray: #5c5c5c;       /* secondary text */
  --line: #dcdcdc;       /* dividers */
  --slot: #f1f1f1;       /* empty photo slots */
  --blue: #167cb9;       /* safety blue */

  --font: "Jost", "Futura", "Century Gothic", "Avenir Next", sans-serif;

  --wrap: 76rem;
  --gap: clamp(1.25rem, 4vw, 3rem);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.6;
}

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

a { color: inherit; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

.wrap {
  width: min(100% - 2 * var(--gap), var(--wrap));
  margin-inline: auto;
}

/* Things still to fill in. Delete the <mark> once done. */
mark.todo { background: #fff2a8; color: var(--black); padding: 0 0.2em; }

/* ---------- Header ---------- */

.site-header { padding-block: 1.5rem; }

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.2rem;
  text-decoration: none;
}

.site-nav { display: flex; gap: 1.75rem; }

.site-nav a { text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--blue); }
.site-nav a[aria-current="page"] { color: var(--blue); }

/* Round logo (images/logo.png) */
.logo-mark {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-mark img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  cursor: pointer;
}

.btn:hover { border-color: var(--blue); color: var(--blue); }

.btn-primary { background: var(--blue); border-color: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--black); border-color: var(--black); color: var(--white); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

/* ---------- Hero ---------- */

.hero { padding-block: clamp(3rem, 9vw, 7rem) clamp(3rem, 7vw, 5rem); }

.hero h1 {
  font-size: clamp(3.5rem, 11vw, 9rem);
  letter-spacing: -0.04em;
  margin-bottom: 0.3em;
}

.capabilities {
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 1.25rem;
}

.lede { font-size: 1.25rem; max-width: 34em; color: var(--gray); }

/* ---------- Photo slots ----------
   To add a real photo, put an <img> inside the .photo div
   and delete the <span>. Example:
   <div class="photo"><img src="images/estate-wedding/finished.jpg" alt="Finished tents at dusk"></div>
*/

.photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--slot);
  color: var(--gray);
  display: grid;
  place-items: center;
  text-align: center;
}

.photo span { font-size: 0.9rem; padding: 1rem; max-width: 22em; }

.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Selected work (homepage) ---------- */

.work { padding-block: clamp(3rem, 7vw, 5rem); border-top: 2px solid var(--black); }

.work > .wrap > h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 2rem; }

.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2.5rem, 5vw, 4rem) var(--gap);
}

.project { position: relative; }

.project .photo { margin-bottom: 1.25rem; }

.project h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 0.25em; }

.project .client { font-weight: 600; color: var(--blue); margin-bottom: 0.6rem; }

.project p { color: var(--gray); max-width: 32em; }

/* whole tile is clickable via the title link */
.project h3 a { text-decoration: none; }
.project h3 a::after { content: ""; position: absolute; inset: 0; }
.project:hover h3 a { color: var(--blue); }
.project:hover .photo img { transform: scale(1.02); }
.photo img { transition: transform 0.3s; }

/* ---------- Gallery (homepage) ---------- */

.gallery { padding-block: 0 clamp(3rem, 7vw, 5rem); }

.gallery h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 2rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 1.5vw, 1rem);
}

.tile {
  position: relative;
  margin: 0;
  overflow: hidden;
  cursor: default;
}

.tile .photo { aspect-ratio: 1; }

/* Safety-blue halftone overlay, revealed on hover or keyboard focus */
.tile::before,
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}

.tile::before { background: rgba(22, 124, 185, 0.25); }

.tile::after {
  background-image: radial-gradient(circle, var(--blue) 42%, transparent 46%);
  background-size: 7px 7px;
  -webkit-mask-image: linear-gradient(to top, #000 15%, transparent 95%);
          mask-image: linear-gradient(to top, #000 15%, transparent 95%);
}

.tile figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 0.75rem 1rem;
  background: var(--blue);
  color: var(--white);
  line-height: 1.25;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.25s, transform 0.25s;
}

.tile figcaption strong { display: block; font-weight: 600; font-size: 1.05rem; }
.tile figcaption span { font-size: 0.9rem; }

.tile:hover::before, .tile:hover::after,
.tile:focus-visible::before, .tile:focus-visible::after,
.tile:hover figcaption, .tile:focus-visible figcaption { opacity: 1; transform: none; }

.tile:focus-visible { outline-offset: 2px; }

/* ---------- Case study pages ---------- */

.case-hero { padding-block: clamp(2rem, 5vw, 3.5rem) 0; }

.back { font-weight: 600; text-decoration: none; display: inline-block; margin-bottom: 2rem; color: var(--gray); }
.back:hover { color: var(--blue); }

.case-hero h1 { font-size: clamp(2.6rem, 7vw, 5.5rem); letter-spacing: -0.03em; max-width: 13em; }

.meta { font-size: 1.05rem; color: var(--gray); margin-bottom: 2.5rem; max-width: 46em; }

.case-hero .photo { aspect-ratio: 16 / 9; }

.case-body { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.case-section {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 0.5rem var(--gap);
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

.case-section:first-child { border-top: 0; padding-top: 0; }

.case-section h2 { font-size: 1.1rem; letter-spacing: 0; line-height: 1.6; }

.case-section p { max-width: 38em; }

.result {
  border-left: 6px solid var(--blue);
  padding: 0.25rem 0 0.25rem clamp(1.25rem, 3vw, 2rem);
  margin-block: 2.5rem 4rem;
}

.result h2 { font-size: 1.1rem; letter-spacing: 0; color: var(--blue); }

.result p {
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.25;
  max-width: 26em;
  margin: 0;
}

.process h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

.process ol {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.process li { counter-increment: step; }

.process figure { margin: 0; }

.process figcaption {
  margin-top: 0.75rem;
  font-weight: 600;
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.process figcaption::before { content: counter(step); color: var(--blue); font-weight: 600; }

.next-project { border-top: 2px solid var(--black); padding-block: 3rem; }

.next-project p { margin: 0 0 0.4rem; color: var(--gray); font-weight: 600; }

.next-project a {
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.next-project a:hover { color: var(--blue); }

/* ---------- About ---------- */

.about { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.about .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--gap);
  align-items: start;
}

.about .photo { aspect-ratio: 4 / 5; position: sticky; top: 2rem; }

.about h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }

.about-text p { max-width: 36em; }

.about-text .intro { font-weight: 600; font-size: clamp(1.3rem, 2.4vw, 1.6rem); line-height: 1.35; }

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
  padding-block: clamp(3rem, 7vw, 5rem);
}

/* White halftone that fades in from the bottom-right corner */
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--white) 40%, transparent 44%);
  background-size: 16px 16px;
  -webkit-mask-image: radial-gradient(ellipse 60% 90% at 100% 100%, #000 0%, rgba(0,0,0,0.5) 35%, transparent 75%);
          mask-image: radial-gradient(ellipse 60% 90% at 100% 100%, #000 0%, rgba(0,0,0,0.5) 35%, transparent 75%);
  opacity: 0.35;
  pointer-events: none;
}

.site-footer .wrap { position: relative; }

.site-footer h2 { font-size: clamp(2rem, 5vw, 3.5rem); }

.site-footer p { color: #e6f1f8; max-width: 32em; }

.site-footer .btn { background: transparent; color: var(--white); border-color: var(--white); }
.site-footer .btn:hover { background: var(--white); color: var(--blue); border-color: var(--white); }
.site-footer .btn-primary { background: var(--white); color: var(--black); border-color: var(--white); }
.site-footer .btn-primary:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.site-footer :focus-visible { outline-color: var(--white); }

.footer-small { margin-top: 3rem; font-size: 0.9rem; }

/* ---------- Small screens ---------- */

@media (max-width: 760px) {
  .projects,
  .about .wrap,
  .case-section { grid-template-columns: 1fr; }

  .about .photo { position: static; max-width: 24rem; }
  .case-section { gap: 0.25rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .tile figcaption { padding: 0.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}

/* ---------- Additions: category pages and auto-loading photos ---------- */

.photo small { display: block; margin-top: 0.35rem; font-size: 0.8rem; opacity: 0.75; }
.photo.has-img span { visibility: hidden; }

.gallery-empty {
  display: none;
  border: 2px dashed var(--line);
  padding: 2rem;
  text-align: center;
  color: var(--gray);
}
.gallery.is-empty .gallery-empty { display: block; }
.gallery.is-empty .gallery-grid { display: none; }

.areas { padding-block: 0 clamp(3rem, 7vw, 5rem); }
.areas h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 1.5rem; }

.area-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--black);
}

.area-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1rem 1.25rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  text-decoration: none;
}

.area-links a + a { padding-left: 1rem; border-left: 1px solid var(--line); }
.area-links a span { color: var(--blue); transition: transform 0.2s; }
.area-links a:hover { color: var(--blue); }
.area-links a:hover span { transform: translateX(4px); }

.cat-hero { padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2rem, 5vw, 3rem); }
.cat-hero h1 { font-size: clamp(3rem, 9vw, 6.5rem); letter-spacing: -0.03em; margin-bottom: 0.3em; }
.cat-hero .lede { color: var(--blue); font-weight: 500; font-size: clamp(1.2rem, 2.2vw, 1.5rem); max-width: 30em; }
.cat-intro { columns: 2 22rem; column-gap: var(--gap); max-width: 60rem; margin-top: 1.5rem; }
.cat-intro p { break-inside: avoid; }

.site-nav { flex-wrap: wrap; gap: 0.5rem 1.5rem; }

@media (max-width: 760px) {
  .area-links { grid-template-columns: 1fr 1fr; }
  .area-links a + a { padding-left: 0; border-left: 0; }
  .area-links a:nth-child(even) { padding-left: 1rem; border-left: 1px solid var(--line); }
}

/* Homepage case studies: without JavaScript, show the first four */
.projects[data-random] > .project:nth-child(n+5) { display: none; }
.projects[data-random].is-shuffled > .project { display: block; }
.projects[data-random].is-shuffled > .project[hidden] { display: none; }

/* Design page: show whole drawings instead of cropping to a square */
.gallery-grid[data-fit="contain"] .photo { background: #f7f7f7; }
.gallery-grid[data-fit="contain"] .photo img { object-fit: contain; padding: 0.75rem; }

/* Case study galleries disappear entirely until photos are added */
.gallery.hide-if-empty.is-empty { display: none; }