/* =========================================
   TAGLIAFERRI.ART — Stylesheet
   ========================================= */

:root {
  --bg: #f5f4f0;
  --text: #1a1a1a;
  --text-light: #888;
  --accent: #1a1a1a;
  --header-h: 70px;
  --gap: 12px;
  --radius: 2px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 13px;
  letter-spacing: 0.02em;
  min-height: 100vh;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 32px;
  background: var(--bg);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 28px;
  width: auto;
  filter: invert(0);
}

nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
  margin-right: 32px;
}

nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.2s;
}

nav a:hover, nav a.active { opacity: 1; }

.nav-icons {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav-icons a {
  color: var(--text);
  opacity: 0.6;
  transition: opacity 0.2s;
  display: flex;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: 16px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: var(--transition);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--bg);
  padding: 24px 32px;
  flex-direction: column;
  gap: 20px;
  z-index: 99;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}

.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== MAIN ===== */
main {
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 60px;
  min-height: 100vh;
}

/* ===== MASONRY GRID ===== */
.masonry-grid {
  columns: 3;
  column-gap: var(--gap);
  padding: 0 24px;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--gap);
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-radius: var(--radius);
}

.masonry-item:hover img {
  transform: scale(1.03);
}

/* Fade-in au scroll */
.masonry-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.masonry-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ABOUT PAGE ===== */
.about-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 80px;
  align-items: start;
}

.about-title {
  font-size: 36px;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  grid-column: 1 / -1;
}

.about-portrait {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
}

.about-text p {
  font-size: 13.5px;
  line-height: 1.85;
  color: #333;
  margin-bottom: 18px;
}

.about-links {
  margin-top: 32px;
  font-size: 12px;
  color: var(--text-light);
}

.about-links a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.about-contact {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(0,0,0,0.1);
}

.about-contact p {
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.about-contact .contact-icons {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}

.about-contact a {
  color: var(--text);
  opacity: 0.6;
  transition: opacity 0.2s;
  display: flex;
}

.about-contact a:hover { opacity: 1; }

.copyright-block {
  margin-top: 48px;
  padding: 24px;
  background: rgba(0,0,0,0.03);
  border-left: 2px solid var(--text);
  grid-column: 1 / -1;
}

.copyright-block h3 {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.copyright-block p {
  font-size: 12px;
  line-height: 1.8;
  color: #555;
}

/* ===== ACTUALITES PAGE ===== */
.actualites-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

.actu-header {
  margin-bottom: 48px;
}

.actu-header h1 {
  font-size: 36px;
  font-weight: 300;
  letter-spacing: -0.02em;
}

.actu-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  align-items: start;
}

.actu-item img {
  width: 100%;
  border-radius: var(--radius);
}

.actu-content h2 {
  font-size: 22px;
  font-weight: 300;
  margin-bottom: 16px;
  line-height: 1.3;
}

.actu-content p {
  font-size: 13px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 12px;
}

.actu-content .label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 200;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 88vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 28px;
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  padding: 20px;
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }

/* ===== FOOTER ===== */
footer {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 32px;
  border-top: 1px solid rgba(0,0,0,0.08);
}

footer a {
  color: var(--text);
  opacity: 0.5;
  transition: opacity 0.2s;
  display: flex;
}

footer a:hover { opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  nav ul { display: none; }
  .hamburger { display: flex; }
  .nav-icons { display: none; }

  .masonry-grid { columns: 2; }

  .about-page {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 24px 60px;
  }

  .about-portrait { max-width: 200px; }

  .actu-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 540px) {
  .masonry-grid { columns: 2; padding: 0 12px; }
  header { padding: 0 20px; }
}