/* ============================================================
   DOMENICO CALDESI PHOTOGRAPHY
   Clean & Minimalistic White Theme
   ============================================================ */

/* -- Custom Properties -- */
:root {
  --c-bg:         #ffffff;
  --c-bg2:        #fafafa;
  --c-surface:    #f5f5f5;
  --c-surface2:   #eeeeee;
  --c-border:     rgba(0,0,0,0.08);

  --c-text:       #1a1a1a;
  --c-text2:      #666666;
  --c-muted:      #999999;
  --c-accent:     #1a1a1a;
  --c-accent2:    #333333;

  --nav-h:        72px;
  --r-sm:         4px;
  --r-md:         8px;
  --r-lg:         16px;

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 40px rgba(0,0,0,0.1);

  --trans-fast:   150ms ease;
  --trans-med:    300ms ease;
  --trans-slow:   600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* -- Reset -- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { border: none; cursor: pointer; background: none; font-family: inherit; }
ul { list-style: none; }

/* -- Typography -- */
h1, h2, h3 { font-weight: 400; line-height: 1.15; }

/* -- Utilities -- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: var(--c-text);
  margin-bottom: 20px;
}
.section-title em { font-style: italic; color: var(--c-text); }
.about-title { white-space: nowrap; }
.section-desc { color: var(--c-text2); font-size: 1.05rem; max-width: 520px; }

/* -- Buttons -- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all var(--trans-med);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--c-text);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--c-accent2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  border: 1px solid rgba(255,255,255,0.6);
  color: #ffffff;
}
.btn-outline:hover {
  border-color: #ffffff;
  background: rgba(255,255,255,0.1);
}
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--trans-med), backdrop-filter var(--trans-med), box-shadow var(--trans-med);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--c-border);
}
.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text {
  font-family: 'Jost', sans-serif;
  font-size: 1.35rem;
  font-weight: 300;
  color: var(--c-text);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
}
/* When hero is visible (not scrolled), nav text should be white */
.navbar:not(.scrolled) .logo-text,
.navbar:not(.scrolled) .nav-link,
.navbar:not(.scrolled) .hamburger {
  color: #ffffff;
}
.navbar:not(.scrolled) .logo-sub {
  color: rgba(255,255,255,0.7);
}
.navbar:not(.scrolled) .hamburger {
  background: #ffffff;
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text2);
  transition: color var(--trans-fast);
  position: relative;
  padding-bottom: 3px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--c-text);
  transition: width var(--trans-med);
}
.nav-link:hover { color: var(--c-text); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--c-text); }
.nav-link.active::after { width: 100%; }
.navbar:not(.scrolled) .nav-link:hover { color: #ffffff; }
.navbar:not(.scrolled) .nav-link.active { color: #ffffff; }
.navbar:not(.scrolled) .nav-link::after { background: #ffffff; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--c-text);
  transition: all var(--trans-med);
  border-radius: 2px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}
.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.3s ease forwards;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.5s ease forwards;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.7s ease forwards;
}
.hero-cta .btn-primary {
  background: #ffffff;
  color: var(--c-text);
}
.hero-cta .btn-primary:hover {
  background: #f0f0f0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--c-bg2); }
.about-content { max-width: 820px; margin: 0 auto; }
.about-img-wrapper {
  position: relative;
  float: left;
  width: 216px;
  margin: 4px 28px 20px 0;
  border-radius: var(--r-md);
  overflow: hidden;
}
.about-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  transition: transform var(--trans-slow);
}
.about-img-wrapper:hover .about-img {
  transform: scale(1.02);
}
.about-img-accent {
  position: absolute;
  inset: -6px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: calc(var(--r-md) + 6px);
  pointer-events: none;
}
.about-bio p {
  color: var(--c-text2);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-bio strong { color: var(--c-text); font-weight: 500; }
.about-bio .btn { clear: both; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery { background: var(--c-bg); }
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header .section-desc {
  margin: 0 auto;
}

/* Filter buttons */
.gallery-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text2);
  border: 1px solid var(--c-border);
  border-radius: 2px;
  transition: all var(--trans-fast);
}
.filter-btn:hover { color: var(--c-text); border-color: rgba(0,0,0,0.2); }
.filter-btn.active {
  background: var(--c-text);
  color: #ffffff;
  border-color: var(--c-text);
}

/* Gallery grid — masonry via CSS columns. Each item's aspect-ratio is set
   inline from the photo's real (precomputed) dimensions, so portrait and
   landscape photos reserve their true shape immediately, without cropping
   and without a layout jump once the image loads. */
.gallery-grid {
  column-count: 3;
  column-gap: 6px;
}
.gallery-item { position: relative; display: block; width: 100%; margin-bottom: 6px; break-inside: avoid; overflow: hidden; border-radius: 4px; text-decoration: none; }
.gallery-img-wrap { width: 100%; position: relative; overflow: hidden; cursor: pointer; }
.gallery-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94), opacity var(--trans-med);
}
.gallery-item:hover .gallery-img-wrap img {
  transform: scale(1.05);
}

/* Homepage preview — one big tile per album cover. Fewer, wider columns than
   the single-gallery walls so each cover reads as a highlight, and the title
   overlay stays visible permanently rather than on hover (hover doesn't
   exist on mobile). */
.gallery-grid--preview { column-count: 2; }
.gallery-grid--preview .gallery-overlay { opacity: 1; background: none; }
.gallery-grid--preview .overlay-content h3 {
  display: inline-block;
  background: rgba(0,0,0,0.6);
  padding: 6px 14px;
  border-radius: 4px;
}

/* Image loading indicator (grid items + index cards) */
.gallery-img-wrap.is-loading img,
.gallery-card-img.is-loading img { opacity: 0; }
.gallery-img-wrap.is-loading::before,
.gallery-card-img.is-loading::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--c-surface);
}
.gallery-img-wrap.is-loading::after,
.gallery-card-img.is-loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 26px; height: 26px;
  margin: -13px 0 0 -13px;
  border-radius: 50%;
  border: 2px solid var(--c-border);
  border-top-color: var(--c-muted);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.05) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--trans-med);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.overlay-content h3 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.1rem;
  color: #ffffff;
  font-weight: 400;
}
.overlay-content p { font-size: 0.72rem; color: rgba(255,255,255,0.7); letter-spacing: 0.1em; text-transform: uppercase; }

/* Hidden items */
.gallery-item.hidden { display: none; }

/* Gallery CTA (homepage preview) */
.gallery-cta {
  text-align: center;
  margin-top: 48px;
}

/* ============================================================
   GALLERY INDEX PAGE (cards)
   ============================================================ */
.gallery-index { padding-top: calc(var(--nav-h) + 60px); }

.gallery-cards {
  column-count: 2;
  column-gap: 24px;
}
.gallery-card {
  display: block;
  margin-bottom: 24px;
  break-inside: avoid;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: transform var(--trans-med), box-shadow var(--trans-med);
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.gallery-card-img {
  width: 100%;
  position: relative;
  overflow: hidden;
}
.gallery-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94), opacity var(--trans-med);
}
.gallery-card:hover .gallery-card-img img {
  transform: scale(1.05);
}
.gallery-card-info {
  padding: 20px 24px;
}
.gallery-card-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: 4px;
}
.gallery-card-meta {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 8px;
}
.gallery-card-desc {
  font-size: 0.9rem;
  color: var(--c-text2);
  line-height: 1.6;
}

/* ============================================================
   GALLERY VIEW PAGE
   ============================================================ */
.gallery-view { padding-top: calc(var(--nav-h) + 60px); }

.gallery-view-header {
  margin-bottom: 48px;
}
.back-link {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 16px;
  transition: color var(--trans-fast);
}
.back-link:hover { color: var(--c-text); }

/* EXIF display in lightbox */
.lightbox-exif {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: center;
  margin-top: 10px;
}
.exif-item {
  font-size: 0.72rem;
  color: var(--c-text2);
  letter-spacing: 0.05em;
}
.exif-label {
  font-weight: 600;
  text-transform: capitalize;
  color: var(--c-muted);
  margin-right: 4px;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(255,255,255,0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--trans-med), visibility var(--trans-med);
  backdrop-filter: blur(12px);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  min-height: 280px;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  opacity: 1;
  transition: opacity var(--trans-med);
}
.lightbox-img-wrap.is-loading .lightbox-img { opacity: 0; }
.lightbox-img-wrap.is-loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 32px; height: 32px;
  margin: -16px 0 0 -16px;
  border-radius: 50%;
  border: 2px solid var(--c-border);
  border-top-color: var(--c-muted);
  animation: spin 0.8s linear infinite;
}
.lightbox-caption { text-align: center; }
.lightbox-caption h3 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.4rem;
  color: var(--c-text);
  margin-bottom: 4px;
}
.lightbox-caption p { font-size: 0.75rem; color: var(--c-muted); letter-spacing: 0.15em; text-transform: uppercase; }
.lightbox-close {
  position: fixed;
  top: 24px; right: 24px;
  width: 44px; height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  color: var(--c-text);
  font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--trans-fast);
  z-index: 2001;
  line-height: 1;
}
.lightbox-close:hover { background: var(--c-text); border-color: var(--c-text); color: #ffffff; }
.lightbox-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  color: var(--c-text);
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--trans-fast);
  z-index: 2001;
}
.lightbox-nav:hover { background: var(--c-text); border-color: var(--c-text); color: #ffffff; }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--c-bg2); }
.contact-inner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 80px;
  max-width: 820px;
  margin: 0 auto;
}
.contact-main {
  max-width: 440px;
}
.contact-intro {
  color: var(--c-text2);
  line-height: 1.8;
  margin-bottom: 36px;
}
.contact-intro-link {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--c-border);
  transition: text-decoration-color var(--trans-med);
}
.contact-intro-link:hover {
  text-decoration-color: var(--c-accent);
}
.contact-side {
  flex-shrink: 0;
  padding: 4px 0 0 40px;
  border-left: 1px solid var(--c-border);
}

/* Social links */
.social-links { display: flex; flex-direction: column; gap: 12px; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text2);
  transition: color var(--trans-fast);
  width: fit-content;
}
.social-link:hover { color: var(--c-text); }

/* Form */
.contact-form {
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text2);
}
.form-input,
.form-textarea {
  background: var(--c-bg2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  color: var(--c-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
  outline: none;
  resize: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--c-muted); }
.form-input:focus, .form-textarea:focus {
  border-color: var(--c-text);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}
.form-success {
  padding: 14px;
  background: rgba(34,139,34,0.06);
  border: 1px solid rgba(34,139,34,0.2);
  border-radius: var(--r-sm);
  color: #2e7d32;
  font-size: 0.9rem;
  text-align: center;
}
.form-error {
  padding: 14px;
  background: rgba(211,47,47,0.06);
  border: 1px solid rgba(211,47,47,0.2);
  border-radius: var(--r-sm);
  color: #c62828;
  font-size: 0.9rem;
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-copy {
  font-size: 0.72rem;
  color: var(--c-muted);
  letter-spacing: 0.05em;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  to { opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .gallery-grid { column-count: 2; }
  .gallery-cards { column-count: 1; max-width: 560px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--trans-med), opacity var(--trans-med);
    pointer-events: none;
    border-bottom: 1px solid var(--c-border);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  /* Force dark text in mobile menu regardless of scroll state */
  .nav-links .nav-link {
    color: var(--c-text2) !important;
  }
  .nav-links .nav-link:hover,
  .nav-links .nav-link.active {
    color: var(--c-text) !important;
  }
  .nav-toggle { display: flex; }

  .section { padding: 60px 0; }
  .gallery-grid { column-count: 1; }
  .contact-form { padding: 24px; }
  .about-img-wrapper { float: none; width: 160px; margin: 0 auto 20px; }

  .contact-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 36px;
  }
  .contact-main { max-width: 100%; }
  .contact-side {
    border-left: none;
    border-top: 1px solid var(--c-border);
    padding: 28px 0 0;
    text-align: center;
  }
  .social-links { align-items: center; }
}

@media (max-width: 860px) {
  .contact-inner { gap: 48px; }
}