/*
Theme Name:  Lumière Photography
Theme URI:   https://github.com/lumiere-theme
Author:      Lumière Theme
Author URI:  https://lumiere-theme.com
Description: A minimal, elegant photography portfolio theme inspired by editorial photography sites. Features mosaic gallery layouts, clean typography, and full Customizer support.
Version:     1.0.0
License:     GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lumiere
Tags:        photography, portfolio, minimal, one-column, two-columns, three-columns, custom-colors, custom-menu, featured-images, full-width-template, post-thumbnails, theme-options, translation-ready
*/

/* ============================================================
   0. 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&family=Jost:wght@200;300;400;500&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Customizer-injectable)
   ============================================================ */
:root {
  --color-bg:        #ffffff;
  --color-text:      #1a1a1a;
  --color-text-muted:#888888;
  --color-accent:    #1a1a1a;
  --color-border:    #e8e8e8;
  --color-hover:     #555555;

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

  --nav-height:      64px;
  --max-width:       1400px;
  --gap:             6px;

  --transition:      0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover { color: var(--color-hover); }

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

ul, ol { list-style: none; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 760px;
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
  padding-top: var(--nav-height);
}

/* ============================================================
   5. HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--color-bg);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 32px;
}

/* Site Title / Logo */
.site-branding {
  flex-shrink: 0;
}

.site-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
}

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

.site-tagline {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 1px;
}

/* Primary Navigation */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-nav li {
  position: relative;
}

.primary-nav a {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--color-text);
  transition: color var(--transition);
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current-page-ancestor > a {
  color: var(--color-text-muted);
}

/* Dropdown */
.primary-nav .sub-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  min-width: 140px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}

.primary-nav li:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-nav .sub-menu a {
  display: block;
  padding: 8px 16px;
  font-size: 0.7rem;
}

.primary-nav .sub-menu a:hover {
  background: #f8f8f8;
}

/* Social in nav */
.nav-social {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-social a {
  display: flex;
  align-items: center;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.nav-social a:hover { opacity: 1; }

.nav-social svg {
  width: 17px;
  height: 17px;
  stroke: var(--color-text);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  padding: 4px 0;
}

.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--color-text);
  transition: all var(--transition);
}

.menu-toggle.is-active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--nav-height));
  background: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav ul {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
}

.mobile-nav li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav > ul > li:first-child {
  border-top: 1px solid var(--color-border);
}

.mobile-nav a {
  display: block;
  padding: 20px 32px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: lowercase;
}

.mobile-nav .sub-menu {
  background: #f9f9f9;
}

.mobile-nav .sub-menu a {
  padding: 14px 48px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.mobile-nav-social {
  margin-top: 32px;
  display: flex;
  gap: 20px;
}

.mobile-nav-social svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.5;
}

/* ============================================================
   6. HOMEPAGE — HERO SINGLE PHOTO MODE
   ============================================================ */
.hero-single {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.hero-single img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  object-position: center;
}

.hero-single--contained {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.hero-single--contained img {
  width: 100%;
  height: auto;
  max-height: 90vh;
  object-fit: contain;
  background: var(--color-bg);
}

/* ============================================================
   7. HOMEPAGE — MOSAIC GALLERY MODE
   ============================================================ */
.home-mosaic {
  padding: var(--gap);
}

.mosaic-grid {
  columns: 3;
  column-gap: var(--gap);
}

.mosaic-item {
  break-inside: avoid;
  margin-bottom: var(--gap);
  overflow: hidden;
  cursor: pointer;
}

.mosaic-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease, filter 0.3s ease;
}

.mosaic-item:hover img {
  transform: scale(1.02);
  filter: brightness(0.93);
}

@media (max-width: 900px) {
  .mosaic-grid { columns: 2; }
}

@media (max-width: 560px) {
  .mosaic-grid { columns: 1; }
  .home-mosaic { padding: 4px; }
}

/* ============================================================
   8. GALLERY PAGE TEMPLATE
   ============================================================ */
.gallery-page {
  padding: var(--gap);
}

.gallery-page-header {
  padding: 48px 32px 32px;
  text-align: center;
}

.gallery-page-header h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.gallery-mosaic {
  columns: 3;
  column-gap: var(--gap);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--gap);
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease, filter 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.02);
  filter: brightness(0.9);
}

.gallery-item-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.45);
  color: #fff;
  padding: 12px 14px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-item-caption {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .gallery-mosaic { columns: 2; }
}

@media (max-width: 560px) {
  .gallery-mosaic { columns: 1; }
  .gallery-page { padding: 4px; }
}

/* ============================================================
   9. LIGHTBOX
   ============================================================ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.94);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-inner img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: fixed;
  top: 24px;
  right: 28px;
  color: rgba(255,255,255,0.7);
  font-size: 2rem;
  font-weight: 200;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
  z-index: 10;
}

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

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 2rem;
  font-weight: 200;
  cursor: pointer;
  padding: 16px;
  transition: color var(--transition);
  z-index: 10;
}

.lightbox-prev { left: 12px; }
.lightbox-next { right: 12px; }
.lightbox-prev:hover, .lightbox-next:hover { color: #fff; }

.lightbox-caption {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-align: center;
}

/* ============================================================
   10. STANDARD PAGE / ABOUT-CONTACT
   ============================================================ */
.page-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.page-content h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.page-content p {
  font-size: 0.92rem;
  color: #444;
  line-height: 1.9;
}

/* Contact Form */
.contact-form {
  margin-top: 48px;
}

.form-row {
  margin-bottom: 24px;
}

.form-row label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-text);
  background: transparent;
  outline: none;
  transition: border-color var(--transition);
}

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

.form-row textarea {
  resize: none;
  min-height: 120px;
}

.btn-submit {
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  border: 1px solid var(--color-text);
  padding: 12px 36px;
  cursor: pointer;
  background: transparent;
  transition: background var(--transition), color var(--transition);
}

.btn-submit:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* ============================================================
   11. FOOTER
   ============================================================ */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  opacity: 0.45;
  transition: opacity var(--transition);
}

.footer-social a:hover { opacity: 0.9; }

.footer-social svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-text);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   12. WORDPRESS GENERATED CLASSES
   ============================================================ */
.alignleft  { float: left; margin-right: 1.5em; }
.alignright { float: right; margin-left: 1.5em; }
.aligncenter { display: block; margin: 0 auto; }
.alignwide  { max-width: 100%; }
.alignfull  { width: 100vw; margin-left: calc(50% - 50vw); }

.wp-caption { max-width: 100%; }
.wp-caption-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 6px;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal;
}

/* ============================================================
   13. ADMIN BAR COMPENSATION
   ============================================================ */
.admin-bar .site-header { top: 32px; }
.admin-bar .mobile-nav  { top: calc(var(--nav-height) + 32px); }

@media (max-width: 782px) {
  .admin-bar .site-header { top: 46px; }
  .admin-bar .mobile-nav  { top: calc(var(--nav-height) + 46px); }
}

/* ============================================================
   14. RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-height: 56px; }

  .primary-nav { display: none; }
  .menu-toggle  { display: flex; }

  .header-inner { padding: 0 20px; }

  .page-content { padding: 48px 20px 72px; }

  .site-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .site-title { font-size: 0.78rem; letter-spacing: 0.18em; }
}