/* ==========================================================================
   inoils.com — Iain Vellacott, Oil Painter
   Design tokens + shared styles
   ========================================================================== */

/* --- Google Fonts import --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=Jost:wght@300;400;500&family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

/* --- Design tokens --- */
:root {
  --color-bg:          #faf9f7;
  --color-bg-alt:      #f3f1ec;
  --color-bg-dark:     #1e1c1a;
  --color-text:        #1e1c1a;
  --color-text-muted:  #6b6560;
  --color-accent:      #8b6c5c;
  --color-border:      #dbd6cf;
  --color-border-light:#eae6e0;
  --color-nav-hover:   #5a4038;
  --color-overlay:     rgba(20, 18, 16, 0.88);

  --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'Lora', Georgia, 'Times New Roman', serif;
  --font-ui:      'Jost', system-ui, -apple-system, sans-serif;

  --size-max-width:  1160px;
  --size-gutter:     clamp(1.25rem, 5vw, 3rem);
  --size-section-gap: clamp(3rem, 8vw, 6rem);

  --transition-base: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* --- Layout wrapper --- */
.container {
  width: 100%;
  max-width: var(--size-max-width);
  margin-inline: auto;
  padding-inline: var(--size-gutter);
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.125rem;
}

.site-title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

.site-title span {
  display: block;
  font-size: 0.6em;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  margin-top: 0.1em;
}

/* --- Main navigation --- */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.nav-list a {
  display: block;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-text);
}

.nav-list a[aria-current="page"] {
  border-bottom: 1px solid var(--color-accent);
}

/* --- Hamburger (mobile) --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav-toggle svg { width: 1.5rem; height: 1.5rem; }

/* ==========================================================================
   PAGE HERO
   ========================================================================== */

.page-hero {
  margin-top: 1.5rem;
}

.page-hero__inner {
  position: relative;
  width: calc(100% - 2 * var(--size-gutter));
  max-width: calc(var(--size-max-width) - 2 * var(--size-gutter));
  margin-inline: auto;
  background: var(--color-bg-dark);
  border-radius: 4px;
  overflow: hidden;
}

.page-hero img {
  width: 100%;
  height: clamp(300px, 55vh, 620px);
  object-fit: cover;
  object-position: center;
  opacity: 0.88;
  display: block;
}

/* ==========================================================================
   SECTION HEADINGS
   ========================================================================== */

.section-heading {
  padding-block: var(--size-section-gap) 2rem;
}

.section-heading h1,
.section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.section-heading .subtitle {
  margin-top: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-heading .intro-text {
  margin-top: 1.25rem;
  max-width: 56em;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ==========================================================================
   GALLERY GRID
   ========================================================================== */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.875rem;
  padding-bottom: var(--size-section-gap);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
  cursor: pointer;
  aspect-ratio: 1 / 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.gallery-item:hover img,
.gallery-item:focus img {
  transform: scale(1.035);
  opacity: 0.9;
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(to top, rgba(20,18,16,0.6) 0%, transparent 100%);
  color: #faf9f7;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.95rem;
  font-weight: 300;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gallery-item:hover .gallery-item__caption,
.gallery-item:focus .gallery-item__caption {
  opacity: 1;
}

/* Focus handling for keyboard */
.gallery-item:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--color-overlay);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox-overlay.is-open {
  display: flex;
}

.lightbox-img-wrap {
  position: relative;
  max-width: min(90vw, 1000px);
  max-height: 90vh;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  display: block;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.lightbox-caption {
  margin-top: 0.6rem;
  text-align: center;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(250, 249, 247, 0.85);
}

.lightbox-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(250, 249, 247, 0.75);
  cursor: pointer;
  padding: 0.75rem;
  font-size: 2rem;
  line-height: 1;
  transition: color var(--transition-base);
  z-index: 1010;
}

.lightbox-btn:hover { color: #faf9f7; }
.lightbox-btn--prev { left: 1rem; }
.lightbox-btn--next { right: 1rem; }

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: rgba(250, 249, 247, 0.75);
  cursor: pointer;
  font-size: 1.75rem;
  line-height: 1;
  padding: 0.35rem;
  z-index: 1010;
  transition: color var(--transition-base);
  font-family: var(--font-ui);
}

.lightbox-close:hover { color: #faf9f7; }

.lightbox-counter {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: rgba(250, 249, 247, 0.55);
  z-index: 1010;
}

/* ==========================================================================
   WINCHESTER COLLEGE — signpost page
   ========================================================================== */

.wc-intro {
  padding-bottom: 2rem;
  max-width: 56em;
}

.wc-intro p {
  margin-bottom: 1.25em;
  line-height: 1.8;
}

.wc-link-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-block: 2rem;
  padding: 0.85rem 1.75rem;
  background: var(--color-bg-dark);
  color: #faf9f7;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background var(--transition-base);
}

.wc-link-banner:hover {
  background: var(--color-nav-hover);
}

.wc-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.875rem;
  padding-bottom: var(--size-section-gap);
}

.wc-tile {
  display: block;
  overflow: hidden;
  background: var(--color-bg-alt);
  text-decoration: none;
  color: inherit;
}

.wc-tile img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.wc-tile:hover img {
  transform: scale(1.03);
  opacity: 0.9;
}

.wc-tile-label {
  padding: 0.6rem 0.875rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Winchester gallery — teaser grid with per-item link-out to the print shop */
.wc-gallery-item {
  position: relative;
}

.wc-gallery-item-link {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.8rem;
  background: rgba(20, 18, 16, 0.72);
  color: #faf9f7;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background var(--transition-base);
}

.wc-gallery-item-link:hover,
.wc-gallery-item-link:focus {
  background: var(--color-nav-hover);
}

/* ==========================================================================
   BIOGRAPHY
   ========================================================================== */

.bio-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem clamp(2rem, 5vw, 4rem);
  padding-bottom: var(--size-section-gap);
  align-items: start;
}

.bio-portrait {
  position: sticky;
  top: calc(60px + 2rem);
}

.bio-portrait img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(15%);
}

.bio-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  margin-bottom: 1.25rem;
  margin-top: 2rem;
  letter-spacing: 0.01em;
  color: var(--color-text-muted);
}

.bio-text h2:first-child { margin-top: 0; }

.bio-text p {
  margin-bottom: 1.1em;
  line-height: 1.85;
}

.bio-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: 2.5rem;
}

.bio-french {
  color: var(--color-text-muted);
  font-size: 0.975rem;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact-simple {
  max-width: 36rem;
  margin: 0 auto;
  padding-bottom: var(--size-section-gap);
  text-align: center;
}

.contact-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-email {
  margin-bottom: 1.75rem;
}

.contact-email a {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.15em;
  transition: color var(--transition-base), border-color var(--transition-base);
  word-break: break-word;
}

.contact-email a:hover {
  color: var(--color-nav-hover);
  border-color: var(--color-nav-hover);
}

.contact-note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   HOME PAGE
   ========================================================================== */

.home-intro {
  padding-block: clamp(1.5rem, 4vw, 2.75rem) var(--size-section-gap);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.home-intro__quote {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.55;
}

.home-intro__links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.home-intro__links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--color-bg-alt);
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}

.home-intro__links a:hover {
  border-left-color: var(--color-accent);
  color: var(--color-text);
  background: var(--color-border-light);
}

.home-intro__links a .arrow { font-size: 1rem; }

.home-notice {
  padding: 1.5rem 1.75rem;
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  margin-bottom: var(--size-section-gap);
}

.home-notice p {
  font-size: 0.975rem;
  line-height: 1.7;
}

.home-notice a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.home-notice a:hover { color: var(--color-nav-hover); }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border-light);
  padding-block: 2rem;
  margin-top: 2rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-footer p {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer a:hover { color: var(--color-text); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 820px) {
  .bio-layout,
  .contact-layout,
  .home-intro {
    grid-template-columns: 1fr;
  }

  .bio-portrait {
    position: static;
    max-width: 280px;
  }

  .home-intro__quote {
    font-size: clamp(1.2rem, 4vw, 1.6rem);
  }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 200;
  }

  .site-nav.is-open { display: block; }

  .nav-list {
    flex-direction: column;
    padding: 0.5rem 0 1rem;
  }

  .nav-list a {
    padding: 0.6rem var(--size-gutter);
    font-size: 0.82rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .lightbox-btn { font-size: 1.5rem; padding: 0.5rem; }
  .lightbox-btn--prev { left: 0.25rem; }
  .lightbox-btn--next { right: 0.25rem; }

  .wc-tile-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner { position: relative; }
}

@media (max-width: 380px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}