/* ==========================================================================
   PHOTOGRAPHY PORTFOLIO — MAIN STYLESHEET
   Inspired by alanschaller.com / stevemccurry.com aesthetics
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* Colours */
  --c-bg:          #ffffff;
  --c-bg-warm:     #f9f8f6;
  --c-border:      #e8e5e0;
  --c-text:        #1a1917;
  --c-text-muted:  #8c8881;
  --c-overlay:     rgba(0, 0, 0, 0.55);

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --nav-h:     70px;
  --max-w:     1440px;
  --gutter:    clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease-fast: 0.18s ease;
  --ease-med:  0.4s ease;
  --ease-slow: 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.65;
  overflow-x: hidden;
}

img, svg   { max-width: 100%; height: auto; display: block; }
a          { color: inherit; text-decoration: none; }
ul, ol     { list-style: none; }
button     { cursor: pointer; }

/* Custom selection colour */
::selection { background: var(--c-text); color: var(--c-bg); }

/* Thin custom scrollbar (WebKit) */
::-webkit-scrollbar              { width: 5px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: var(--c-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: var(--c-text-muted); }

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.025em;
}

h1 { font-size: clamp(2.2rem, 5.5vw, 4.5rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.6rem);   }

p {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: var(--c-text-muted);
  max-width: 62ch;
}

/* --------------------------------------------------------------------------
   4. NAVIGATION
   -------------------------------------------------------------------------- */
.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  transition: background var(--ease-med), box-shadow var(--ease-med);
}

.site-nav:not(.nav-transparent),
.site-nav.nav-scrolled {
  background: var(--c-bg);
  box-shadow: 0 1px 0 var(--c-border);
}

.site-nav.nav-transparent { background: transparent; }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo / site name */
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  transition: opacity var(--ease-fast);
  white-space: nowrap;
}
.nav-transparent .nav-logo { color: #fff; }
.nav-logo:hover { opacity: 0.65; }

/* Links */
.nav-menu {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

.nav-menu a {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  position: relative;
  transition: opacity var(--ease-fast);
}

.nav-transparent .nav-menu a { color: #fff; }

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--ease-med);
}
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }
.nav-menu a:hover { opacity: 0.65; }

/* Hamburger button */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition: transform var(--ease-fast), opacity var(--ease-fast);
}
.nav-transparent .nav-toggle { color: #fff; }

.nav-toggle.is-active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. HERO — HOMEPAGE
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #1a1917;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: transform;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.28) 0%,
    rgba(0,0,0,0.12) 45%,
    rgba(0,0,0,0.42) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: var(--gutter);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.82);
  max-width: none;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.75);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  transition: opacity var(--ease-fast);
  animation: heroScroll 2.8s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 38px;
  background: rgba(255,255,255,0.6);
}
.hero-scroll:hover { opacity: 0.5; }

@keyframes heroScroll {
  0%, 100% { opacity: 0.75; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 0.35; transform: translateX(-50%) translateY(7px); }
}

/* --------------------------------------------------------------------------
   6. HOMEPAGE — PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-section {
  padding: 0 0 clamp(4rem, 8vw, 7rem);
}

.section-header {
  text-align: center;
  padding: clamp(3.5rem, 7vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-header h2 { letter-spacing: 0.06em; }

.section-header p {
  margin: 1rem auto 0;
  font-style: italic;
}

.section-footer {
  text-align: center;
  padding: clamp(2rem, 4vw, 3.5rem) var(--gutter) 0;
}

/* --------------------------------------------------------------------------
   7. PROJECT CARDS — SHARED
   -------------------------------------------------------------------------- */
.projects-grid,
.projects-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr));
  gap: 3px;
}

.project-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--c-border);
}

.project-card-link { display: block; height: 100%; }

.project-card-image {
  height: 100%;
  position: relative;
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow);
}

.project-card:hover .project-card-image img { transform: scale(1.06); }

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 55%);
  display: flex;
  align-items: flex-end;
  padding: 1.6rem 1.8rem;
  opacity: 0;
  transition: opacity var(--ease-med);
}

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

.project-card-info h3 {
  color: #fff;
  font-weight: 300;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  letter-spacing: 0.04em;
}

.project-card-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.2rem;
}

.project-card-meta span {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

.project-card-placeholder {
  height: 100%;
  background: var(--c-bg-warm);
  display: flex;
  align-items: flex-end;
  padding: 1.6rem 1.8rem;
}

.project-card-placeholder h3 {
  font-weight: 300;
  color: var(--c-text-muted);
}

/* --------------------------------------------------------------------------
   8. PROJECTS LIST PAGE
   -------------------------------------------------------------------------- */
.projects-list-page { padding-top: var(--nav-h); }

.page-header {
  text-align: center;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(2rem, 3vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-header h1 {
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-header-desc {
  margin: 1rem auto 0;
  font-style: italic;
}

/* --------------------------------------------------------------------------
   9. PROJECT SINGLE PAGE — GALLERY
   -------------------------------------------------------------------------- */
.project-page { padding-top: var(--nav-h); }

/* Hero image */
.project-hero {
  position: relative;
  height: clamp(400px, 70vh, 800px);
  overflow: hidden;
  background: #1a1917;
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.52) 100%);
  display: flex;
  align-items: flex-end;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 5vw, 4rem);
}

.project-hero-text h1 {
  color: #fff;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.project-meta {
  display: flex;
  gap: 1.5rem;
}

.project-meta span {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
}

/* Description below hero */
.project-info {
  max-width: 740px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4.5rem) var(--gutter);
  text-align: center;
}

.project-description {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-style: italic;
  line-height: 1.75;
  color: var(--c-text-muted);
  max-width: 65ch;
  margin: 0 auto;
}

/* Photo gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  padding: 0 3px 3px;
}

.gallery-item {
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--c-bg-warm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow), opacity var(--ease-med);
}

.gallery-item:hover img {
  transform: scale(1.04);
  opacity: 0.88;
}

/* Project prev/next navigation */
.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem var(--gutter);
  border-top: 1px solid var(--c-border);
}

.project-nav a {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: color var(--ease-fast);
}

.project-nav a:hover { color: var(--c-text); }

.project-nav-all {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  font-style: italic;
  text-transform: none;
}

.project-nav-spacer { flex: 1; }

/* --------------------------------------------------------------------------
   10. ABOUT PAGE
   -------------------------------------------------------------------------- */
.about-page { padding-top: var(--nav-h); }

.about-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 6rem) var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.about-image {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.about-image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.about-content h1 {
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 1.8rem;
}

.about-content .lead {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  font-style: italic;
  color: var(--c-text);
  line-height: 1.7;
  margin-bottom: 1.8rem;
  max-width: 100%;
}

.about-content p {
  margin-bottom: 1.4rem;
  max-width: 100%;
}

.about-body p { max-width: 100%; }

.about-details {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--c-border);
}

.about-details dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 2.5rem;
}

.about-details dt {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  padding-top: 0.15rem;
}

.about-details dd {
  font-size: 0.9rem;
  color: var(--c-text);
}

.about-details a { border-bottom: 1px solid var(--c-border); transition: border-color var(--ease-fast); }
.about-details a:hover { border-color: var(--c-text); }

/* --------------------------------------------------------------------------
   11. CONTACT PAGE
   -------------------------------------------------------------------------- */
.contact-page { padding-top: var(--nav-h); }

.contact-layout {
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) var(--gutter);
  text-align: center;
}

.contact-layout h1 {
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.contact-intro {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  margin: 0 auto 3rem;
  max-width: 48ch;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--c-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border);
  padding: 0.65rem 0;
  outline: none;
  transition: border-color var(--ease-fast);
  resize: vertical;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--c-border); }

.form-group input:focus,
.form-group textarea:focus { border-bottom-color: var(--c-text); }

.form-group textarea { min-height: 110px; }

/* --------------------------------------------------------------------------
   12. BUTTONS
   -------------------------------------------------------------------------- */
.btn-submit {
  align-self: center;
  margin-top: 0.5rem;
  padding: 0.9rem 3.5rem;
  background: var(--c-text);
  color: var(--c-bg);
  border: 1px solid var(--c-text);
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: background var(--ease-fast), color var(--ease-fast), transform var(--ease-fast);
}

.btn-submit:hover {
  background: transparent;
  color: var(--c-text);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-block;
  padding: 0.75rem 2.5rem;
  border: 1px solid var(--c-border);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  transition: border-color var(--ease-fast), color var(--ease-fast);
}

.btn-outline:hover {
  border-color: var(--c-text);
  color: var(--c-text);
}

/* Contact direct section */
.contact-direct {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--c-border);
}

.contact-direct p {
  margin: 0 auto 0.5rem;
  font-size: 0.875rem;
}

.contact-direct a {
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
  transition: border-color var(--ease-fast);
}
.contact-direct a:hover { border-color: var(--c-text); }

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: 2rem var(--gutter);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
  max-width: none;
}

.footer-links { display: flex; gap: 1.5rem; }

.footer-social {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  transition: color var(--ease-fast);
}
.footer-social:hover { color: var(--c-text); }

/* --------------------------------------------------------------------------
   14. GENERIC PAGE (fallback)
   -------------------------------------------------------------------------- */
.generic-page {
  padding-top: var(--nav-h);
  max-width: 760px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  padding-bottom: 5rem;
}

.generic-page h1 {
  padding-top: clamp(3rem, 6vw, 5rem);
  margin-bottom: 2rem;
  font-weight: 300;
}

.generic-content p { margin-bottom: 1.4rem; }

/* --------------------------------------------------------------------------
   15. SCROLL-IN ANIMATIONS
   -------------------------------------------------------------------------- */
.js-fade {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   16. GLIGHTBOX OVERRIDES
   -------------------------------------------------------------------------- */
.glightbox-clean .gnext,
.glightbox-clean .gprev { border-radius: 0; }

.glightbox-container .gslide-image img {
  max-height: 92vh;
}

/* --------------------------------------------------------------------------
   17. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image {
    position: static;
    max-width: 380px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  /* Mobile navigation */
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    background: var(--c-bg);
    padding: 1.75rem var(--gutter) 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    transform: translateY(-105%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--ease-med), opacity var(--ease-med);
    box-shadow: 0 8px 24px rgba(0,0,0,0.07);
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-menu a {
    color: var(--c-text) !important;
    font-size: 0.8rem;
  }

  .projects-grid,
  .projects-list-grid { grid-template-columns: 1fr; gap: 2px; }

  .hero-title { letter-spacing: 0.05em; }

  .project-nav {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .gallery-grid { grid-template-columns: 1fr; }

  .about-details dl {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .about-details dt { margin-top: 0.75rem; }
}

/* --------------------------------------------------------------------------
   18. PRINT
   -------------------------------------------------------------------------- */
@media print {
  .site-nav, .site-footer, .hero-scroll, .project-nav { display: none; }
  .hero { height: 40vh; }
  body { font-size: 12pt; }
}