/* ===== Reset / Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

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

:root{
  --bg: #ffffff;
  --panel: #14141a;
  --text: #000000;
  --muted: rgba(0,0,0,0.72);
  --line: rgba(0,0,0,0.12);
  --accent: #000000;
}

body{
  background: var(--bg);
  color: var(--text);
  font-family: "Arvo", serif;
}

body.no-scroll { overflow: hidden; }

/* Accessibilité */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== HERO ===== */
.portfolio-hero{
  padding: 56px 16px 22px;
  background:
    radial-gradient(1200px 400px at 30% 0%, rgba(0,0,0,0.06), transparent 60%),
    radial-gradient(900px 400px at 70% 0%, rgba(0,0,0,0.04), transparent 60%);
}

.portfolio-hero__inner{
  max-width: 1100px;
  margin: 0 auto;
}

.portfolio-hero h1{
  font-family: "Anton", sans-serif;
  letter-spacing: 1px;
  font-size: clamp(32px, 4vw, 56px);
  margin: 0 0 10px;

  background: linear-gradient(to right, #ff7e5f, #feb47b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.portfolio-hero p{
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== CONTROLS ===== */
.portfolio-controls{
  padding: 18px 16px 10px;
}

.controls-inner{
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.filters{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn{
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-family: "Arvo", serif;
  font-size: 14px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.filter-btn:hover{
  transform: translateY(-1px);
  border-color: rgba(0,0,0,0.25);
}

.filter-btn.is-active{
  background: rgba(0,0,0,0.08);
  border-color: rgba(0,0,0,0.20);
}

.search-wrap{
  display: flex;
  align-items: center;
}

#portfolioSearch{
  width: min(360px, 78vw);
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.04);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  outline: none;
  font-family: "Arvo", serif;
}

#portfolioSearch::placeholder{ color: rgba(0,0,0,0.45); }
#portfolioSearch:focus{ border-color: rgba(0,0,0,0.28); }

/* ===== GRID ===== */
.portfolio{
  padding: 14px 16px 60px;
}

.portfolio-grid{
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

/* ===== CARD ===== */
.photo-card{
  margin: 0;
}

.photo-btn{
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  display: block;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
}

.photo-btn:focus-visible{
  outline: 2px solid rgba(0,0,0,0.25);
  outline-offset: 3px;
}

.photo-btn img{
  width: 100%;
  height: 280px;
  object-fit: cover;
  transform: scale(1);
  transition: transform .35s ease;
}

.photo-btn:hover img{
  transform: scale(1.04);
}

.photo-overlay{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.72), rgba(0,0,0,0) 55%);
  opacity: 0;
  transition: opacity .25s ease;
}

.photo-btn:hover .photo-overlay,
.photo-btn:focus-visible .photo-overlay{
  opacity: 1;
}

.photo-title{
  color: #ffffff;
  font-weight: 700;
  font-size: 16px;
}

.photo-tags{
  margin-top: 4px;
  color: rgba(255,255,255,0.78);
  font-size: 13px;
}

.photo-card.is-hidden{ display: none; }

.no-results{
  max-width: 1100px;
  margin: 14px auto 0;
  color: var(--muted);
}

/* ===== LIGHTBOX ===== */
.lightbox{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 9999;
}

.lightbox.is-open{ display: block; }

.lightbox__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
}

.lightbox__content{
  position: relative;
  max-width: 1100px;
  margin: 40px auto;
  width: calc(100% - 24px);
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(0,0,0,0.10);
  border-radius: 18px;
  padding: 14px;
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 10px;
}

.lightbox__figure{
  margin: 0;
  text-align: center;
}

.lightbox__figure img{
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(0,0,0,0.04);
}

#lightboxCaption{
  margin-top: 10px;
  color: rgba(0,0,0,0.72);
  font-size: 14px;
}

.lightbox__close{
  position: absolute;
  top: 10px;
  right: 10px;
  border: 1px solid rgba(0,0,0,0.14);
  background: rgba(0,0,0,0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

.lightbox__nav{
  border: 1px solid rgba(0,0,0,0.12);
  background: rgba(0,0,0,0.05);
  color: var(--text);
  height: 44px;
  width: 44px;
  border-radius: 14px;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

@media (max-width: 640px){
  .lightbox__content{
    grid-template-columns: 1fr;
    padding-top: 44px;
  }
  .lightbox__nav{
    width: 100%;
    height: 44px;
  }
}