/* Katherine McVety — stylesheet */

/* base */

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

html {
  font-size: 125%;
  height: 100%;
  overflow-y: scroll; /* keeps nav width stable between pages */
}

body {
  height: 100%;
  background: #ffffff;
  color: #111111;
  font-family: 'Playfair Display', Georgia, serif;
  -webkit-font-smoothing: antialiased;
}


/* logo (bottom-left K square) */

.logo {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 28px;
  height: 28px;
  background: #111111;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 100;
}

.logo span {
  color: #ffffff;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  user-select: none;
}


/* nav header — fixed, same on every page */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 22px 60px 14px;
  background: #ffffff;
}

.site-header .site-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: #111111;
  margin-bottom: 10px;
}

.site-header .nav-links {
  display: flex;
  gap: 52px;
  list-style: none;
}

.site-header .nav-links a {
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: #111111;
  padding-bottom: 2px;
}

.site-header .nav-links a:hover,
.site-header .nav-links a.active {
  border-bottom-color: #111111;
}


/* home page */

.index-page {
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.index-content {
  margin-top: 88px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.featured-photo {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 52vh;
  margin-bottom: 40px;
}

.featured-photo img {
  position: absolute;
  max-height: 52vh;
  max-width: 72vw;
  width: auto;
  height: auto;
  display: block;
  cursor: pointer;
}

.contact-line {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #111111;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.contact-line button {
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

.copy-confirm {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #cccccc;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.copy-confirm.show {
  opacity: 1;
}


/* inner pages (portfolios, bio) */

.page-body {
  padding-top: 100px;
  min-height: 100vh;
}

.portfolios-page {
  padding: 48px 80px 100px;
}


/* portfolios */

.portfolio-section {
  margin-bottom: 72px;
}

.portfolio-section h2 {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: #111111;
}

.portfolio-divider {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin-bottom: 22px;
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

@media (max-width: 1100px) { .portfolio-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 860px)  { .portfolio-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 580px)  { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 380px)  { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-item {
  display: block;
  cursor: pointer;
  width: 100%;
}

/* placeholder shown before the image loads */
.portfolio-item::before {
  content: '';
  display: block;
  width: 100%;
  padding-top: 75%; /* 4:3 aspect ratio placeholder */
  background: #f0f0f0;
  background-image: linear-gradient(90deg, #f0f0f0 25%, #e4e4e4 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* once the image loads, hide the placeholder */
.portfolio-item.loaded::before {
  display: none;
}

.portfolio-item img {
  display: none; /* hidden until loaded */
  width: 100%;
  height: auto;
  transition: opacity 0.2s ease;
}

.portfolio-item.loaded img {
  display: block;
}

.portfolio-item:hover img {
  opacity: 0.82;
}

.expand-btn {
  display: block;
  margin: 10px auto 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #888888;
  padding: 0;
  transition: color 0.2s ease;
}

.expand-btn:hover {
  color: #111111;
}


/* animated underline — used on nav links, contact button, expand button */
/* the underline starts at 0 width in the center and slides outward on hover */

.site-header .nav-links a,
.contact-line button,
.expand-btn {
  position: relative;
  border-bottom: none;
}

.site-header .nav-links a::after,
.contact-line button::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #111111;
  transition: width 0.25s ease, left 0.25s ease;
}

.expand-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #111111;
  transition: width 0.25s ease, left 0.25s ease;
}

.site-header .nav-links a:hover::after,
.site-header .nav-links a.active::after,
.contact-line button:hover::after,
.expand-btn:hover::after {
  width: 100%;
  left: 0;
}


/* bio */

.bio-page {
  padding: 48px 0 100px;
  max-width: 620px;
  margin: 0 auto;
}

.bio-page h2 {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e0e0;
  color: #111111;
}

.bio-page p {
  font-size: 16px;
  line-height: 1.9;
  color: #1a1a1a;
  margin-bottom: 22px;
}


/* lightbox */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: #ffffff;
  z-index: 1000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox img {
  max-width: 84vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  display: block;
}

.lightbox-caption {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(0, 0, 0, 0.9);
  text-align: center;
  pointer-events: none;
  min-height: 1.4em;
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 28px;
  color: rgba(0, 0, 0, 0.6);
  font-size: 26px;
  font-weight: 300;
  cursor: pointer;
  user-select: none;
  line-height: 1;
  transition: color 0.2s ease;
}

.lightbox-close:hover {
  color: #1f1f1f;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(0, 0, 0, 0.4);
  font-size: 32px;
  font-weight: 300;
  cursor: pointer;
  user-select: none;
  padding: 20px;
  line-height: 1;
  transition: color 0.2s ease;
}

.lightbox-arrow:hover { color: #1f1f1f; }
.lightbox-arrow.prev  { left: 12px; }
.lightbox-arrow.next  { right: 12px; }


/* mobile */

@media (max-width: 700px) {
  html { font-size: 100%; }

  .site-header {
    padding: 14px 20px 10px;
  }

  .site-header .site-title {
    font-size: 15px;
    margin-bottom: 7px;
  }

  .site-header .nav-links {
    gap: 28px;
  }

  .logo {
    bottom: 10px;
    left: 10px;
    width: 16px;
    height: 16px;
  }

  .logo span {
    font-size: 10px;
  }

  .page-body {
    padding-top: 80px;
  }

  .portfolios-page {
    padding: 28px 16px 60px;
  }

  .bio-page {
    padding: 28px 16px 60px;
    max-width: 100%;
  }

  .lightbox-arrow {
    font-size: 24px;
    padding: 12px;
  }
}