/* ============================================================
   LOWKEY PARFUMS — ACADEMIA LOWKEY
   Educación olfativa: concentraciones, comparador, ayuda.
   ============================================================ */

/* ---------- Hero ---------- */
.ac-hero { position: relative; min-height: 100svh; display: flex; align-items: center; text-align: center; overflow: hidden; }
.ac-hero .wrap { position: relative; z-index: 2; }
.ac-hero h1 { font-size: clamp(2.8rem, 1.6rem + 6vw, 7rem); line-height: 0.95; }
.ac-hero h1 em { font-style: italic; color: var(--accent); }
.ac-hero .sub { font-family: var(--display); font-style: italic; font-size: var(--step-1); color: var(--ivory-dim); margin-top: 1rem; }

/* ---------- Tarjetas de concentración ---------- */
.ac-conc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(0.9rem,1.5vw,1.3rem); }
.ac-conc { border: 1px solid var(--line); background: linear-gradient(165deg, var(--bg-2), var(--bg)); padding: clamp(1.3rem,2.2vw,1.8rem); position: relative; overflow: hidden; transition: border-color 0.4s, transform 0.5s var(--ease); }
.ac-conc:hover { border-color: var(--accent); transform: translateY(-4px); }
.ac-conc .abbr { font-family: "Cinzel", var(--display); font-size: var(--step-2); color: var(--accent); line-height: 1; }
.ac-conc h3 { font-family: var(--display); font-size: var(--step-0); margin: 0.4rem 0 0.2rem; }
.ac-conc .pct { font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ivory-mute); }
.ac-conc p { color: var(--ivory-dim); font-size: var(--step--1); margin-top: 0.7rem; min-height: 3.2em; }
.ac-conc .dur { display: flex; justify-content: space-between; align-items: baseline; margin-top: 0.9rem; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ivory-mute); }
.ac-conc .dur b { font-family: var(--display); font-size: 1.05rem; color: var(--ivory); font-weight: 400; letter-spacing: 0; text-transform: none; }
.ac-conc .mini { height: 3px; background: var(--line); margin-top: 0.6rem; position: relative; overflow: hidden; }
.ac-conc .mini i { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--gold-deep), var(--accent)); }
.ac-conc .warn { display: inline-block; margin-top: 0.8rem; font-size: 0.66rem; letter-spacing: 0.08em; color: var(--cyan, #8fb9c9); border: 1px solid rgba(143,185,201,0.35); padding: 0.3em 0.8em; border-radius: 999px; }

/* ---------- Comparador interactivo ---------- */
.ac-comp { max-width: 860px; margin-inline: auto; }
.ac-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: clamp(1.8rem,3vw,2.6rem); }
.ac-tab { font-size: var(--step--1); letter-spacing: 0.14em; text-transform: uppercase; padding: 0.65em 1.2em; border: 1px solid var(--line); color: var(--ivory-dim); transition: 0.35s; cursor: pointer; background: none; }
.ac-tab:hover { color: var(--ivory); border-color: var(--ivory-mute); }
.ac-tab.is-active { background: var(--accent); color: #0a0a0b; border-color: var(--accent); }
.ac-bars { display: grid; gap: 1.1rem; }
.ac-bar { display: grid; grid-template-columns: 130px 1fr 56px; gap: 1rem; align-items: center; }
.ac-bar .l { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ivory-dim); }
.ac-bar .track { height: 8px; background: var(--line-soft); border-radius: 4px; overflow: hidden; }
.ac-bar .track i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold-deep), var(--accent)); border-radius: 4px; transition: width 0.9s var(--ease); }
.ac-bar .v { font-family: var(--display); color: var(--ivory); text-align: right; }
.ac-note { margin-top: 1.6rem; text-align: center; font-family: var(--display); font-style: italic; font-size: var(--step-0); color: var(--ivory-dim); min-height: 2.4em; }

/* ---------- Ejemplo Sauvage ---------- */
.ac-sauvage { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(0.9rem,1.5vw,1.3rem); }
.ac-sv { border: 1px solid var(--line); padding: clamp(1.3rem,2.2vw,1.7rem); background: var(--bg-2); position: relative; }
.ac-sv::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); opacity: calc(0.3 + var(--lvl) * 0.18); }
.ac-sv .tag { font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.ac-sv h4 { font-family: var(--display); font-size: var(--step-1); margin: 0.3rem 0 0.6rem; }
.ac-sv ul { color: var(--ivory-dim); font-size: var(--step--1); }
.ac-sv li { padding: 0.25rem 0 0.25rem 1.2rem; position: relative; }
.ac-sv li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

/* ---------- Grid de productos (filtros / presupuesto / vfm) ---------- */
.ac-prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(0.9rem,1.5vw,1.3rem); }
.ac-prod { border: 1px solid var(--line-soft); background: linear-gradient(170deg, var(--bg-2), var(--bg)); text-decoration: none; color: var(--ivory); display: flex; flex-direction: column; transition: border-color 0.4s, transform 0.5s var(--ease); position: relative; }
.ac-prod:hover { border-color: var(--accent); transform: translateY(-4px); }
.ac-prod .ribbon { position: absolute; top: 0.7rem; left: 0.7rem; z-index: 2; font-size: 0.64rem; letter-spacing: 0.08em; background: rgba(10,10,11,0.85); border: 1px solid var(--accent); color: var(--accent-soft); padding: 0.3em 0.7em; border-radius: 999px; }
.ac-prod .ph { position: relative; aspect-ratio: 1; }
.ac-prod .ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 1.1rem;
  -webkit-mask-image: radial-gradient(ellipse 60% 66% at 50% 46%, #000 42%, transparent 76%);
          mask-image: radial-gradient(ellipse 60% 66% at 50% 46%, #000 42%, transparent 76%); }
.ac-prod .bd { padding: 0 1.1rem 1.2rem; display: flex; flex-direction: column; gap: 0.35rem; }
.ac-prod .b { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.ac-prod h4 { font-family: var(--display); font-size: var(--step-0); line-height: 1.05; }
.ac-prod .meta { display: flex; gap: 0.45rem; flex-wrap: wrap; align-items: center; }
.ac-prod .conc-chip { font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; border: 1px solid var(--line); padding: 0.25em 0.7em; border-radius: 999px; color: var(--ivory-dim); }
.ac-prod .price { font-family: var(--display); font-size: var(--step-0); margin-top: 0.2rem; }
.ac-empty { grid-column: 1 / -1; text-align: center; color: var(--ivory-dim); padding: 2.5rem 1rem; font-family: var(--display); font-style: italic; font-size: var(--step-1); }
.ac-empty a { color: var(--accent); }

/* ---------- Podio de etiquetas ---------- */
.ac-awards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(0.9rem,1.5vw,1.3rem); }
.ac-award { border: 1px solid var(--line); background: linear-gradient(160deg, var(--bg-2), var(--bg)); padding: clamp(1.3rem,2.2vw,1.7rem); display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: center; text-decoration: none; color: var(--ivory); transition: border-color 0.4s, transform 0.5s var(--ease); }
.ac-award:hover { border-color: var(--accent); transform: translateY(-3px); }
.ac-award .em { font-size: 1.7rem; }
.ac-award .lbl { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ivory-mute); }
.ac-award h4 { font-family: var(--display); font-size: var(--step-0); margin-top: 0.15rem; }
.ac-award .why { color: var(--ivory-dim); font-size: 0.74rem; margin-top: 0.2rem; }

/* ---------- Centro de ayuda (acordeones) ---------- */
.ac-faq { max-width: 780px; margin-inline: auto; }
.ac-faq details { border: 1px solid var(--line-soft); background: var(--bg-2); margin-bottom: 0.7rem; }
.ac-faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 0.9rem; padding: 1.1rem 1.3rem; font-family: var(--display); font-size: var(--step-0); color: var(--ivory); }
.ac-faq summary::-webkit-details-marker { display: none; }
.ac-faq summary .em { font-size: 1.1rem; }
.ac-faq summary::after { content: "+"; margin-left: auto; color: var(--accent); font-family: var(--sans); font-size: 1.2rem; transition: transform 0.3s; }
.ac-faq details[open] summary::after { transform: rotate(45deg); }
.ac-faq details[open] { border-color: rgba(200,162,75,0.35); }
.ac-faq .body { padding: 0 1.3rem 1.3rem; color: var(--ivory-dim); font-size: var(--step--1); }
.ac-faq .body p + p { margin-top: 0.7rem; }
.ac-faq .body b { color: var(--ivory); font-weight: 500; }

@media (max-width: 1020px){ .ac-conc-grid, .ac-sauvage, .ac-prod-grid { grid-template-columns: repeat(2, 1fr); } .ac-awards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){
  .ac-conc-grid, .ac-sauvage { grid-template-columns: 1fr; }
  .ac-prod-grid { grid-template-columns: 1fr 1fr; }
  .ac-awards { grid-template-columns: 1fr; }
  .ac-bar { grid-template-columns: 92px 1fr 48px; gap: 0.6rem; }
}