/* =========================================
   MINOO LAKANI — MUSIC CATALOG
   Styles for music.html
========================================= */

.catalog-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 8%, rgba(237, 203, 125, 0.16), transparent 28%),
    linear-gradient(145deg, #654c3a 0%, #4a3428 35%, #2c1d17 66%, var(--deep-brown) 100%);
}

.catalog-hero {
  min-height: 390px;
  padding: clamp(75px, 10vw, 135px) clamp(22px, 7vw, 115px) clamp(65px, 8vw, 105px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--border-gold);
}

.catalog-eyebrow {
  margin: 0 0 15px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  line-height: 1.5;
  text-transform: uppercase;
}

.catalog-hero h1 {
  margin: 0;
  color: var(--light-cream);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 0.9;
  text-transform: uppercase;
  text-shadow: 0 13px 32px rgba(0, 0, 0, 0.27);
}

.catalog-intro {
  width: min(700px, 100%);
  margin: 28px auto 0;
  color: var(--soft-white);
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  line-height: 1.9;
}

.catalog-section {
  padding: clamp(60px, 7vw, 100px) clamp(20px, 5vw, 80px) clamp(85px, 9vw, 130px);
  background:
    radial-gradient(circle at 10% 10%, rgba(215, 168, 76, 0.08), transparent 27%),
    linear-gradient(180deg, rgba(38, 25, 19, 0.94), rgba(16, 11, 8, 0.99));
}

.catalog-heading {
  width: min(1400px, 100%);
  margin: 0 auto 30px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 25px;
}

.catalog-heading h2 {
  margin: 0;
  color: var(--light-cream);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 500;
  line-height: 0.95;
}

.song-count {
  margin: 0 0 7px;
  color: var(--soft-gold);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  white-space: nowrap;
}

.catalog-controls {
  width: min(1400px, 100%);
  margin: 0 auto 48px;
  padding: 20px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  background: rgba(20, 13, 10, 0.62);
  border: 1px solid rgba(215, 168, 76, 0.25);
  border-radius: 18px;
  box-shadow: 0 15px 33px rgba(0, 0, 0, 0.2);
}

.search-box {
  width: min(520px, 100%);
  display: grid;
  gap: 9px;
  color: var(--soft-gold);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.search-box input {
  width: 100%;
  min-height: 49px;
  padding: 0 17px;
  color: var(--light-cream);
  background: rgba(8, 6, 5, 0.76);
  border: 1px solid var(--border-gold);
  border-radius: 11px;
  outline: none;
  font: inherit;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

.search-box input::placeholder { color: rgba(233, 221, 208, 0.56); }
.search-box input:focus {
  border-color: var(--soft-gold);
  box-shadow: 0 0 0 3px rgba(237, 203, 125, 0.11), 0 8px 21px rgba(0, 0, 0, 0.22);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.filter-button {
  min-height: 43px;
  padding: 0 18px;
  color: var(--cream);
  background: rgba(8, 6, 5, 0.76);
  border: 1px solid rgba(215, 168, 76, 0.38);
  border-radius: 999px;
  cursor: pointer;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.active {
  color: var(--deep-brown);
  background: linear-gradient(145deg, var(--soft-gold), var(--gold));
  border-color: var(--soft-gold);
  transform: translateY(-2px);
}

.catalog-language-section {
  width: min(1400px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 2.6vw, 38px);
}

.catalog-card {
  min-width: 0;
  overflow: hidden;
  display: block;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(160deg, rgba(92, 65, 47, 0.72), rgba(21, 14, 10, 0.96));
  border: 1px solid rgba(215, 168, 76, 0.32);
  border-radius: 20px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.catalog-card:hover,
.catalog-card:focus-visible {
  transform: translateY(-8px);
  border-color: var(--soft-gold);
  box-shadow: 0 26px 52px rgba(0, 0, 0, 0.42);
  outline: none;
}

.catalog-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 1px;
  overflow: hidden;
  background: #120c09;
  isolation: isolate;
}

.catalog-cover {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  max-width: none;
  object-fit: cover;
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  transition: transform 0.35s ease;
}

.catalog-card:hover .catalog-cover { transform: scale(1.035) translateZ(0); }

.catalog-cover-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 20px;
  color: var(--soft-gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.8rem;
  text-align: center;
}

.catalog-listen {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 18px;
  transform: translate(-50%, 12px);
  padding: 10px 16px;
  opacity: 0;
  color: #1a100a;
  background: var(--soft-gold);
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}

.catalog-card:hover .catalog-listen,
.catalog-card:focus-visible .catalog-listen {
  opacity: 1;
  transform: translate(-50%, 0);
}

.catalog-card-copy {
  min-height: 132px;
  padding: 22px 20px 24px;
  text-align: center;
}

.catalog-language {
  margin: 0 0 9px;
  color: var(--gold);
  font-size: 0.59rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.catalog-song-title {
  margin: 0;
  color: var(--light-cream);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.55rem, 2.2vw, 2.15rem);
  font-weight: 600;
  line-height: 1.05;
}

.catalog-song-title[lang="fa"] {
  font-family: Tahoma, Arial, sans-serif;
  font-size: clamp(1.35rem, 1.9vw, 1.8rem);
  line-height: 1.45;
}

.catalog-alternate-title {
  margin: 9px 0 0;
  color: var(--soft-white);
  font-size: 0.72rem;
  line-height: 1.5;
}

.catalog-card[hidden],
.catalog-language-section[hidden],
.empty-message[hidden] { display: none !important; }

.empty-message {
  width: min(1400px, 100%);
  margin: 55px auto 0;
  padding: 35px;
  text-align: center;
  color: var(--soft-white);
  border: 1px solid var(--border-gold);
  border-radius: 16px;
}

@media (max-width: 1100px) {
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .catalog-hero { min-height: 330px; }
  .catalog-heading { align-items: flex-start; }
  .catalog-controls { align-items: stretch; flex-direction: column; }
  .search-box { width: 100%; }
  .filter-buttons { justify-content: flex-start; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-card-copy { min-height: 120px; padding: 18px 14px 21px; }
  .catalog-listen { opacity: 1; transform: translate(-50%, 0); }
}

@media (max-width: 520px) {
  .catalog-hero { padding-left: 18px; padding-right: 18px; }
  .catalog-section { padding-left: 15px; padding-right: 15px; }
  .catalog-heading { gap: 12px; }
  .catalog-grid { gap: 15px; }
  .catalog-card { border-radius: 14px; }
  .catalog-cover-wrap { aspect-ratio: 1 / 1; }
  .catalog-card-copy { min-height: 110px; padding: 15px 9px 18px; }
  .catalog-song-title { font-size: 1.35rem; }
  .catalog-song-title[lang="fa"] { font-size: 1.15rem; }
  .catalog-alternate-title { font-size: 0.62rem; }
  .catalog-listen { bottom: 10px; padding: 8px 11px; font-size: 0.52rem; }
}