/*
Theme Name: Shutter Noir
Theme URI: https://github.com/shutter-noir
Author: Shutter Noir
Author URI: #
Description: A dark, minimal WordPress theme designed for black and white photography. Photos take centre stage with near-zero distraction. Features masonry grid homepage, full-screen gallery posts, lightbox viewer, and a brutally refined typographic system.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shutter-noir
Tags: photography, dark, minimal, portfolio, black-and-white, masonry, grid
*/

/* =============================================
   SHUTTER NOIR — MASTER STYLESHEET
   Dark B&W Photography Theme
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=Jost:wght@200;300;400&display=swap');

/* ── RESET & BASE ─────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:      #0a0a0a;
  --near-black: #111111;
  --dark:       #1a1a1a;
  --mid:        #2c2c2c;
  --muted:      #555555;
  --subtle:     #888888;
  --light:      #cccccc;
  --near-white: #e8e8e8;
  --white:      #f5f5f5;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Jost', 'Helvetica Neue', sans-serif;

  --spacing-xs:   4px;
  --spacing-sm:   8px;
  --spacing-md:   16px;
  --spacing-lg:   32px;
  --spacing-xl:   64px;
  --spacing-xxl:  96px;

  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

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

body {
  background-color: var(--black);
  color: var(--light);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.875rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  overflow-x: hidden;
  cursor: default;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ── SCROLLBAR ────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--muted); }


/* ── HEADER ───────────────────────────────── */
#masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  mix-blend-mode: normal;
  transition: background var(--transition), padding var(--transition);
}

#masthead.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.site-branding .site-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}
.site-branding .site-title a { color: inherit; }
.site-branding .site-description {
  font-size: 0.625rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}

/* ── NAV ──────────────────────────────────── */
.main-navigation ul {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}
.main-navigation a {
  font-size: 0.6875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--subtle);
  transition: color var(--transition-fast);
  position: relative;
}
.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width var(--transition);
}
.main-navigation a:hover { color: var(--white); }
.main-navigation a:hover::after { width: 100%; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--light);
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav-overlay ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  text-align: center;
}
.mobile-nav-overlay a {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--near-white);
  transition: color var(--transition-fast);
}
.mobile-nav-overlay a:hover { color: var(--muted); }

/* ── SECTION HEADERS ──────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-xl);
}
.section-header h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.6875rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--mid);
}

/* ── MASONRY GRID ─────────────────────────── */
#primary {
  padding-top: 0;
  min-height: 100vh;
}

.section-header {
  padding-top: calc(70px + var(--spacing-lg));
}

.posts-grid {
  padding: 0 var(--spacing-xl) var(--spacing-xxl);
  columns: 3;
  column-gap: var(--spacing-md);
}

.grid-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.grid-item-inner {
  position: relative;
  overflow: hidden;
}

.grid-item img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) brightness(0.9);
  transition: filter var(--transition), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.grid-item:hover img {
  filter: grayscale(100%) brightness(1.05);
  transform: scale(1.03);
}

.grid-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.75) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
}
.grid-item:hover .grid-item-overlay { opacity: 1; }

.grid-item-meta {
  transform: translateY(8px);
  transition: transform var(--transition);
}
.grid-item:hover .grid-item-meta { transform: translateY(0); }

.grid-item-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
  display: block;
}
.grid-item-date {
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
  display: block;
}

/* ── SINGLE POST ─────────────────────────── */
.single-post-meta {
  padding: calc(70px + var(--spacing-lg)) var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid var(--mid);
  margin-bottom: var(--spacing-xl);
}
.single-post-meta .post-category {
  font-size: 0.5625rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--spacing-sm);
}
.single-post-meta h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.05;
  max-width: 900px;
}
.single-post-meta .post-date {
  margin-top: var(--spacing-sm);
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--subtle);
}
.post-excerpt {
  font-size: 0.9375rem;
  color: var(--subtle);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  max-width: 760px;
}

.single-post-content {
  max-width: 1200px;
  margin: 0;
  padding: var(--spacing-xl) var(--spacing-xl);
}

/* Gallery in single post */
.post-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) 0;
}
.post-gallery-item {
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}
.post-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--transition), transform 0.5s ease;
}
.post-gallery-item:hover img {
  filter: grayscale(80%) brightness(1.1);
  transform: scale(1.02);
}

/* ── LIGHTBOX ─────────────────────────────── */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.97);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#lightbox.open {
  opacity: 1;
  pointer-events: all;
}
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  filter: grayscale(100%);
  transform: scale(0.95);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
#lightbox.open img { transform: scale(1); }

.lightbox-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
}
.lightbox-close:hover { color: var(--white); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: var(--spacing-lg);
  background: none;
  border: none;
}
.lightbox-nav:hover { color: var(--white); }
.lightbox-prev { left: var(--spacing-lg); }
.lightbox-next { right: var(--spacing-lg); }

.lightbox-counter {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

/* ── PAGE TRANSITIONS ──────────────────────── */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9998;
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}
body.transitioning .page-transition {
  animation: pageSlide 0.6s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}
@keyframes pageSlide {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  51% { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ── PAGINATION ────────────────────────────── */
.posts-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xxl) var(--spacing-xl);
  border-top: 1px solid var(--mid);
}
.posts-pagination a, .posts-pagination span {
  font-size: 0.5625rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition-fast);
}
.posts-pagination a:hover { color: var(--white); }
.posts-pagination .current { color: var(--white); }

/* ── FOOTER ────────────────────────────────── */
#colophon {
  border-top: 1px solid var(--mid);
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}
.footer-left {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.footer-right {
  font-size: 0.5625rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dark);
  color: #333;
}
.footer-right a { color: var(--muted); transition: color var(--transition-fast); }
.footer-right a:hover { color: var(--light); }

/* ── LOAD-IN ANIMATIONS ────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.grid-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.grid-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── ABOUT PAGE ────────────────────────────── */
.page-about {
  padding: calc(70px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xxl);
  max-width: 900px;
  margin: 0 auto;
}
.page-about .page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: var(--spacing-xxl);
  letter-spacing: 0.05em;
}
.page-about .entry-content {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--subtle);
  max-width: 580px;
}
.page-about .entry-content p { margin-bottom: var(--spacing-lg); }

/* ── 404 ───────────────────────────────────── */
.error-404 {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--spacing-lg);
}
.error-404 .error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 15rem);
  font-weight: 300;
  color: var(--near-black);
  line-height: 1;
  letter-spacing: -0.05em;
}
.error-404 .error-msg {
  font-size: 0.625rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--muted);
}
.error-404 a {
  display: inline-block;
  margin-top: var(--spacing-lg);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--subtle);
  border-bottom: 1px solid var(--muted);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.error-404 a:hover { color: var(--white); border-color: var(--white); }

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 1024px) {
  .posts-grid { columns: 2; }
}

@media (max-width: 768px) {
  #masthead { padding: var(--spacing-md) var(--spacing-lg); }
  .main-navigation { display: none; }
  .nav-toggle { display: flex; }
  .posts-grid {
    columns: 1;
    padding: 0 var(--spacing-lg) var(--spacing-xl);
  }
  .section-header { padding: 0 var(--spacing-lg); }
  .hero-section { padding: var(--spacing-xl) var(--spacing-lg); }
  #colophon {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
  .single-post-meta { padding: calc(70px + var(--spacing-md)) var(--spacing-lg) var(--spacing-md); }
  .single-post-content { padding: var(--spacing-lg) var(--spacing-lg); }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .lightbox-nav { display: none; }
}

/* ── WORDPRESS ALIGNMENT CLASSES ──────────── */
.alignleft { float: left; margin-right: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.alignright { float: right; margin-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.aligncenter { display: block; margin: var(--spacing-lg) auto; }
.alignwide { width: 100%; }
.alignfull { width: 100vw; margin-left: calc(-50vw + 50%); }

/* ── WP BLOCK EDITOR COMPAT ────────────────── */
.wp-block-image img { filter: grayscale(100%); }
.wp-block-gallery { --gallery-block--gutter-size: 8px; }

/* ── SEARCH FORM ───────────────────────────── */
.search-form {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--mid);
}
.search-field {
  flex: 1;
  background: none;
  border: none;
  color: var(--light);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  padding: var(--spacing-sm) 0;
  outline: none;
}
.search-field::placeholder { color: var(--muted); }
.search-submit {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.search-submit:hover { color: var(--white); }