/* ============================================
   P02 Lens Gallery
   Concept: Brutalist × Photo Book
   Palette: pure black / pure white / concrete
   ============================================ */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:       #0E0E0E;
  --color-text:     #FFFFFF;
  --color-text-sub: #8B8B8B;
  --color-rule:     #333333;

  --font-display: "DM Serif Display", Georgia, serif;
  --font-body:    "Manrope", -apple-system, sans-serif;

  --container-max: 1400px;
  --container-pad: 32px;

  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-text-sub); }

ul { list-style: none; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px var(--container-pad);
  background: transparent;
}

.header__logo {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.12em;
}

.header__nav {
  display: flex;
  gap: 32px;
}

.header__link {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}
.header__link:hover { color: var(--color-text); }

/* ---------- Hero ---------- */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 var(--container-pad) 64px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(64px, 14vw, 180px);
  line-height: 0.88;
  letter-spacing: -0.03em;
  font-weight: 400;
}

.hero__title-line {
  display: block;
}

.hero__title-line:nth-child(2) {
  font-style: italic;
  margin-left: 8vw;
}

.hero__caption {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-rule);
  display: flex;
  justify-content: space-between;
  max-width: 560px;
}

.hero__caption p {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

/* ---------- Featured ---------- */
.featured {
  padding: 0;
}

.featured__figure {
  position: relative;
}

.featured__figure img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
}

.featured__caption {
  position: absolute;
  bottom: 24px;
  right: 32px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

/* ---------- Gallery ---------- */
.gallery {
  padding: 120px var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
}

.gallery__heading {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-sub);
  margin-bottom: 64px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-rule);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
  filter: grayscale(30%);
}

.gallery__item:hover img {
  transform: scale(1.03);
  filter: grayscale(0%);
}

.gallery__item figcaption {
  position: absolute;
  bottom: 12px;
  left: 16px;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-sub);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery__item:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}

/* Masonry-like sizing */
.gallery__item--tall {
  grid-row: span 2;
}

.gallery__item--tall img {
  height: 100%;
  min-height: 400px;
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item:not(.gallery__item--tall) img {
  height: 280px;
}

/* ---------- About ---------- */
.about {
  padding: 120px var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-rule);
}

.about__inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
  align-items: start;
}

.about__portrait img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(100%);
}

.about__name {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 400;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.about__bio {
  color: var(--color-text-sub);
  line-height: 1.85;
  margin-bottom: 20px;
  max-width: 520px;
}

.about__details {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-rule);
}

.about__detail {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-rule);
}

.about__detail dt {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

.about__detail dd {
  font-size: 13px;
  color: var(--color-text-sub);
}

/* ---------- Contact ---------- */
.contact {
  padding: 120px var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-rule);
  text-align: center;
}

.contact__heading {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  margin-bottom: 16px;
}

.contact__text {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 40px;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.contact__links a {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-rule);
  transition: border-color var(--transition);
}
.contact__links a:hover {
  border-bottom-color: var(--color-text);
}

/* ---------- Footer ---------- */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px var(--container-pad);
  border-top: 1px solid var(--color-rule);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  :root { --container-pad: 20px; }

  .header { padding: 16px var(--container-pad); }
  .header__logo { font-size: 22px; }
  .header__nav { gap: 20px; }
  .header__link { font-size: 10px; }

  .hero { min-height: 60vh; padding-bottom: 40px; }
  .hero__title { font-size: clamp(48px, 14vw, 100px); }
  .hero__title-line:nth-child(2) { margin-left: 5vw; }
  .hero__caption {
    flex-direction: column;
    gap: 4px;
  }

  .featured__figure img { height: 50vh; }

  .gallery { padding: 80px var(--container-pad); }
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }
  .gallery__item--wide { grid-column: span 1; }
  .gallery__item--tall { grid-row: span 1; }
  .gallery__item--tall img { min-height: 200px; }
  .gallery__item:not(.gallery__item--tall) img { height: 200px; }

  .about { padding: 80px var(--container-pad); }
  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about__portrait img { max-height: 360px; }
  .about__name { font-size: 32px; }

  .contact { padding: 80px var(--container-pad); }
  .contact__heading { font-size: 36px; }
}

@media (max-width: 480px) {
  .header__nav { gap: 14px; }

  .hero { min-height: 50vh; }
  .hero__title { font-size: 42px; }
  .hero__title-line:nth-child(2) { margin-left: 16px; }

  .gallery__grid {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .gallery__item--tall img,
  .gallery__item:not(.gallery__item--tall) img {
    height: 240px;
    min-height: auto;
  }

  .contact__links {
    flex-direction: column;
    gap: 20px;
  }

  .footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}