/* =========================================================
   TRUST — Stock Público
   Paleta: negro profundo + naranja de marca, tipografía
   condensada (Anton) para lo declarativo, Inter para datos.
   ========================================================= */

:root{
  --bg:            #070605;
  --bg-elevated:   #100d0b;
  --bg-elevated-2: #17130f;
  --border:        #242019;
  --border-soft:   #1a1613;

  --orange:        #ff7a1a;
  --orange-bright: #ffb15e;
  --orange-dim:    #402210;
  --orange-glow:   rgba(255, 122, 26, .35);

  --text:          #f4efe9;
  --text-muted:    #9c948b;
  --text-faint:    #5f584f;

  --whatsapp:      #33d17a;

  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-card: 0 10px 30px -18px rgba(0,0,0,.7);
  --ease: cubic-bezier(.22,1,.36,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ============ HERO ============ */
.hero{
  position: relative;
  padding: 1.5rem 1.5rem 1.2rem;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 50% -10%, rgba(255,122,26,.16), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border-soft);
}

.hero-rings{ position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.hero-rings svg{ position: absolute; width: 300px; max-width: 110vw; fill: none; }
.ring{ stroke: var(--orange); opacity: .16; }
.ring--a{ stroke-width: 1.4; animation: spin 22s linear infinite; }
.ring--b{ stroke-width: 1; opacity: .1; animation: spin 30s linear infinite reverse; }

@keyframes spin{ to{ transform: rotate(360deg); } }

.hero-inner{ position: relative; z-index: 1; }

.hero-logo{
  width: 108px;
  margin: 0 auto .35rem;
  filter: drop-shadow(0 0 20px var(--orange-glow));
}

.hero-tagline{
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: .1em;
  font-size: clamp(.85rem, 2.6vw, 1.1rem);
  color: var(--text-faint);
  text-transform: uppercase;
}
.hero-tagline span{ color: var(--orange); }

.hero-meta{
  margin-top: .7rem;
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .35rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
}
.hero-count{ font-family: var(--font-mono); font-weight: 700; color: var(--orange-bright); font-size: .95rem; }
.hero-count-label{ font-size: .78rem; color: var(--text-muted); }

/* ============ FILTROS ============ */
.filters-bar{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,6,5,.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  padding: .85rem 0;
}
.filters-track{
  display: flex;
  gap: .55rem;
  overflow-x: auto;
  padding: 0 1.5rem;
  scrollbar-width: none;
}
.filters-track::-webkit-scrollbar{ display: none; }

.chip{
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .84rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: .55rem 1.05rem;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .12s var(--ease);
  white-space: nowrap;
}
.chip:hover{ border-color: var(--orange); color: var(--text); }
.chip:active{ transform: scale(.96); }
.chip--active{
  background: var(--orange);
  border-color: var(--orange);
  color: #1a0d02;
}
.chip--active:hover{ color: #1a0d02; }

/* ============ CATALOGO ============ */
.catalog{
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.8rem 1.5rem 4rem;
}

.state-message{
  text-align: center;
  color: var(--text-muted);
  padding: 4rem 1rem;
  max-width: 360px;
  margin: 0 auto;
  font-size: .92rem;
}
.state-message__title{ color: var(--text); font-weight: 700; font-size: 1.05rem; margin-bottom: .35rem; }

.spinner-ring{
  width: 34px; height: 34px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--orange);
  animation: spin 0.8s linear infinite;
}

.model-section{
  margin-bottom: 2.4rem;
  animation: rise .5s var(--ease) both;
}
@keyframes rise{ from{ opacity: 0; transform: translateY(10px); } to{ opacity: 1; transform: none; } }

.model-header{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding-bottom: .6rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}
.model-header h2{
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .03em;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  margin: 0;
  text-transform: uppercase;
}
.model-header .count{ font-size: .78rem; color: var(--text-faint); font-weight: 600; white-space: nowrap; }

.grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: .65rem;
}
@media (min-width: 640px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px){
  .grid{ grid-template-columns: repeat(3, 1fr); }
}

.card{
  display: flex;
  flex-direction: column;
  gap: .55rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: .85rem .9rem .85rem 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: border-color .18s var(--ease), transform .18s var(--ease), background .18s var(--ease);
  text-align: left;
}
.card:hover{ border-color: var(--orange); transform: translateY(-2px); background: var(--bg-elevated-2); }
.card:active{ transform: translateY(0) scale(.99); }

.card-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
}

.card-info{ min-width: 0; flex: 1 1 auto; }
.card-model{ font-weight: 700; font-size: .98rem; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.card-badges{ display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }

.badge{
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: .26rem .55rem;
}
.badge--good{ color: #6fe39a; border-color: #1f4a30; background: rgba(70,200,120,.08); }
.badge--good svg{ width: 10px; height: 10px; }

.color-dot{ width: 8px; height: 8px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); flex: 0 0 auto; }

.card-price{ text-align: right; flex: 0 0 auto; }
.card-price .amount{ font-family: var(--font-mono); font-weight: 700; font-size: 1.2rem; color: var(--orange-bright); white-space: nowrap; }
.card-price .currency{ display: block; font-size: .64rem; color: var(--text-faint); letter-spacing: .08em; }

.btn-wa-icon{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid #1f4a30;
  background: rgba(51,209,122,.1);
  color: var(--whatsapp);
  transition: background .15s var(--ease), transform .12s var(--ease);
}
.btn-wa-icon:hover{ background: rgba(51,209,122,.2); }
.btn-wa-icon:active{ transform: scale(.92); }
.btn-wa-icon svg{ width: 17px; height: 17px; }

/* ============ FICHA / SHEET ============ */
.sheet-backdrop{
  position: fixed; inset: 0;
  background: rgba(4,3,2,.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease);
  z-index: 50;
}
.sheet-backdrop.open{ opacity: 1; pointer-events: auto; }

@media (min-width: 720px){
  .sheet-backdrop{ align-items: center; }
}

.sheet{
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 1.6rem 1.4rem 2rem;
  transform: translateY(24px);
  transition: transform .26s var(--ease);
}
.sheet-backdrop.open .sheet{ transform: translateY(0); }

@media (min-width: 720px){
  .sheet{ border-radius: var(--radius-lg); border-bottom: 1px solid var(--border); }
}

.sheet-close{
  position: absolute; top: .9rem; right: .9rem;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}
.sheet-close:hover{ color: var(--text); border-color: var(--orange); }

.sheet-eyebrow{ font-size: .74rem; color: var(--text-faint); letter-spacing: .1em; text-transform: uppercase; margin: 0 0 .3rem; }
.sheet-title{ font-family: var(--font-display); font-weight: 400; font-size: clamp(1.4rem,5vw,1.8rem); margin: 0 0 1rem; text-transform: uppercase; letter-spacing: .02em; }

.sheet-specs{ display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.1rem; }

.sheet-note{
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem .9rem;
  font-size: .86rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.sheet-note strong{ color: var(--text); display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .25rem; }

.sheet-price{
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 1.3rem;
}
.sheet-price .label{ font-size: .82rem; color: var(--text-muted); }
.sheet-price .amount{ font-family: var(--font-mono); font-weight: 700; font-size: 1.9rem; color: var(--orange-bright); }

.btn-whatsapp{
  display: flex; align-items: center; justify-content: center; gap: .55rem;
  width: 100%;
  padding: .95rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--whatsapp);
  color: #06210f;
  font-weight: 700;
  font-size: .96rem;
  text-decoration: none;
  border: none;
  transition: filter .15s var(--ease), transform .12s var(--ease);
}
.btn-whatsapp:hover{ filter: brightness(1.08); }
.btn-whatsapp:active{ transform: scale(.98); }
.btn-whatsapp svg{ width: 19px; height: 19px; flex: 0 0 auto; }

/* ============ FOOTER ============ */
.site-footer{
  text-align: center;
  padding: 2.4rem 1.5rem 3rem;
  border-top: 1px solid var(--border-soft);
}
.footer-logo{ width: 60px; margin: 0 auto .7rem; opacity: .7; }
.site-footer p{ margin: 0; font-size: .78rem; color: var(--text-faint); }

/* Focus visibility */
button:focus-visible, a:focus-visible{
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}