/* ============================================================
   SilverStein - Hoja de estilos (cálido artesanal)
   Paleta: cacao #2B1A17 · crema #F5EDE3 · pitaya #C2185B · rosa #E8B4B8
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Karla:wght@400;500;700&display=swap');

:root {
  --cacao:        #2B1A17;
  --cacao-suave:  #4A322C;
  --crema:        #F5EDE3;
  --crema-2:      #FBF6EF;
  --pitaya:       #C2185B;
  --pitaya-osc:   #96114A;
  --rosa:         #E8B4B8;
  --dorado:       #C08A3E;
  --borde:        rgba(43, 26, 23, .14);
  --sombra:       0 18px 40px -24px rgba(43, 26, 23, .55);
  --radio:        18px;
  --fuente-tit:   'Fraunces', Georgia, serif;
  --fuente-txt:   'Karla', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--fuente-txt);
  color: var(--cacao);
  background: var(--crema-2);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--fuente-tit); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.12rem; }
p  { margin: 0 0 1em; }
img { max-width: 100%; display: block; }
a  { color: inherit; }

/* ---------------- Botones ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .8rem 1.4rem; border: 0; cursor: pointer;
  border-radius: 999px; font-family: var(--fuente-txt);
  font-weight: 700; font-size: .95rem; text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn--principal { background: var(--pitaya); color: #fff; box-shadow: 0 10px 24px -12px var(--pitaya); }
.btn--principal:hover { background: var(--pitaya-osc); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--cacao); border: 1.5px solid var(--borde); }
.btn--ghost:hover { border-color: var(--pitaya); color: var(--pitaya); }

/* ---------------- Marca ---------------- */
.marca { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.marca__logo {
  width: 46px; height: 46px; flex: none; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--cacao), var(--cacao-suave));
  color: var(--rosa); font-family: var(--fuente-tit); font-size: 1.5rem; font-weight: 700;
}
.marca h1 { font-size: 1.5rem; margin: 0; }
.marca p  { margin: 0; font-size: .85rem; color: var(--cacao-suave); opacity: .8; }
.marca--barra small { display: block; font-size: .74rem; opacity: .7; }
.marca--barra strong { font-family: var(--fuente-tit); font-size: 1.15rem; }

/* ============================================================
   LOGIN
   ============================================================ */
.pagina-login { min-height: 100vh; display: grid; place-items: center; padding: 1.2rem;
  background: radial-gradient(1200px 600px at 20% 0%, #fff 0%, var(--crema) 60%); }

.login-wrap {
  width: min(1040px, 100%); display: grid; grid-template-columns: 1.05fr .95fr;
  background: #fff; border-radius: 26px; overflow: hidden;
  box-shadow: var(--sombra); border: 1px solid var(--borde);
}
.login-visual { position: relative; min-height: 520px; background: var(--cacao); }
.login-visual img { width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.login-visual__texto {
  position: absolute; inset: auto 0 0 0; padding: 2rem;
  background: linear-gradient(transparent, rgba(43, 26, 23, .88)); color: var(--crema);
}
.login-visual__texto h2 { color: #fff; font-size: 1.7rem; margin: 0; }

.sello {
  display: inline-block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  font-weight: 700; color: var(--pitaya); background: rgba(232, 180, 184, .28);
  padding: .35rem .75rem; border-radius: 999px; margin: 0 0 .7rem;
}
.login-visual__texto .sello { color: var(--rosa); background: rgba(255, 255, 255, .12); }

.login-panel { padding: clamp(1.6rem, 4vw, 2.8rem); display: flex; flex-direction: column; justify-content: center; }

.tabs { display: flex; gap: .35rem; background: var(--crema); padding: .3rem; border-radius: 999px; margin: 1.4rem 0 1.2rem; }
.tab {
  flex: 1; padding: .6rem 1rem; border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; font-family: var(--fuente-txt); font-weight: 700; font-size: .9rem;
  color: var(--cacao-suave); transition: all .18s ease;
}
.tab.is-activa { background: #fff; color: var(--pitaya); box-shadow: 0 4px 12px -6px rgba(43,26,23,.4); }

.form { display: grid; gap: 1rem; }
.campo { display: grid; gap: .4rem; font-size: .86rem; font-weight: 600; color: var(--cacao-suave); }
.campo input, .campo textarea {
  font-family: var(--fuente-txt); font-size: 1rem; color: var(--cacao);
  padding: .8rem 1rem; border: 1.5px solid var(--borde); border-radius: 12px;
  background: var(--crema-2); outline: none; transition: border-color .18s ease, box-shadow .18s ease;
  width: 100%; resize: vertical;
}
.campo input:focus, .campo textarea:focus { border-color: var(--pitaya); box-shadow: 0 0 0 4px rgba(194, 24, 91, .12); background: #fff; }
.nota { font-size: .8rem; color: var(--cacao-suave); opacity: .8; margin: 0; text-align: center; }

.alerta { padding: .8rem 1rem; border-radius: 12px; font-size: .9rem; font-weight: 600; margin: 0 0 1rem; }
.alerta--error { background: #FDE8EF; color: var(--pitaya-osc); border: 1px solid rgba(194,24,91,.25); }
.alerta--ok    { background: #E7F4EC; color: #1E6B44; border: 1px solid rgba(30,107,68,.22); }

/* ============================================================
   BARRA SUPERIOR
   ============================================================ */
.barra {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  padding: .7rem clamp(1rem, 4vw, 3rem);
  background: rgba(251, 246, 239, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
}
.nav { display: flex; gap: 1rem; flex: 1; flex-wrap: wrap; font-size: .87rem; font-weight: 600; }
.nav a { text-decoration: none; color: var(--cacao-suave); padding: .2rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--pitaya); border-color: var(--pitaya); }
.sesion { display: flex; align-items: center; gap: .7rem; }
.sesion__usuario { font-size: .85rem; font-weight: 700; color: var(--pitaya); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center; padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 5vw, 4rem);
  background: linear-gradient(160deg, var(--crema) 0%, var(--crema-2) 70%);
}
.hero h1 em { color: var(--pitaya); font-style: italic; }
.lead { font-size: 1.06rem; color: var(--cacao-suave); max-width: 56ch; }
.hero__acciones { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.4rem; }
.hero__img { margin: 0; border-radius: 24px; overflow: hidden; box-shadow: var(--sombra); border: 1px solid var(--borde); }
.hero__img img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   SECCIONES
   ============================================================ */
.seccion { padding: clamp(2.6rem, 6vw, 5rem) clamp(1rem, 5vw, 4rem); }
.seccion--alt { background: var(--crema); }
.kicker { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: var(--pitaya); margin: 0 0 .4rem; }
.intro { max-width: 70ch; color: var(--cacao-suave); font-size: 1.02rem; }
.prosa { max-width: 66ch; }
.prosa p { color: var(--cacao-suave); }
.prosa strong { color: var(--cacao); }

.grid { display: grid; gap: 1.4rem; margin-top: 1.8rem; }
.grid--2 { grid-template-columns: 1.35fr .65fr; align-items: start; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--media { grid-template-columns: .9fr 1.1fr; align-items: start; }

.media { margin: 0; border-radius: var(--radio); overflow: hidden; background: #fff; border: 1px solid var(--borde); box-shadow: var(--sombra); }
.media figcaption { padding: .8rem 1rem; font-size: .82rem; color: var(--cacao-suave); }

.fichas { list-style: none; margin: 0; padding: 1.2rem; background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); box-shadow: var(--sombra); }
.fichas li { display: grid; gap: .1rem; padding: .7rem 0; border-bottom: 1px dashed var(--borde); }
.fichas li:last-child { border: 0; }
.fichas span { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--pitaya); font-weight: 700; }
.fichas strong { font-size: .95rem; font-weight: 600; }

.aviso {
  margin-top: 1.6rem; padding: 1rem 1.2rem; border-left: 4px solid var(--dorado);
  background: rgba(192, 138, 62, .1); border-radius: 0 12px 12px 0;
  font-size: .9rem; color: var(--cacao-suave);
}

.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 1.4rem; box-shadow: var(--sombra); }
.tarjeta h3 small { font-weight: 500; color: var(--pitaya); font-family: var(--fuente-txt); font-size: .8rem; }
.tarjeta ul { margin: 0; padding-left: 1.1rem; color: var(--cacao-suave); font-size: .93rem; }
.tarjeta li { margin-bottom: .5rem; }
.tarjeta--destacada { border: 2px solid var(--pitaya); background: linear-gradient(170deg, #fff, #FDF1F5); }
.tarjeta--publico p { color: var(--cacao-suave); font-size: .93rem; margin: 0; }

.valor, .beneficio {
  background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 1.3rem; box-shadow: var(--sombra);
  transition: transform .2s ease, box-shadow .2s ease;
}
.valor:hover, .beneficio:hover { transform: translateY(-4px); box-shadow: 0 22px 40px -22px rgba(43,26,23,.5); }
.valor__n {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: var(--rosa); color: var(--cacao); font-family: var(--fuente-tit); font-weight: 700; margin-bottom: .7rem;
}
.valor p, .beneficio p { margin: 0; color: var(--cacao-suave); font-size: .93rem; }
.beneficio h3 { color: var(--pitaya); }

/* ============================================================
   COMENTARIOS
   ============================================================ */
.seccion--comentarios { background: var(--cacao); color: var(--crema); }
.seccion--comentarios h2 { color: #fff; }
.seccion--comentarios .intro { color: var(--rosa); }
.seccion--comentarios .kicker { color: var(--rosa); }

.form-comentario {
  margin: 1.6rem 0 2rem; max-width: 760px; display: grid; gap: 1rem; justify-items: start;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14);
  padding: 1.3rem; border-radius: var(--radio);
}
.form-comentario .campo { width: 100%; color: var(--rosa); }
.form-comentario textarea { background: rgba(255,255,255,.94); border-color: transparent; }

.lista-comentarios { max-width: 760px; }
.lista-comentarios h3 { color: var(--rosa); font-size: 1rem; letter-spacing: .04em; }
.vacio { color: rgba(245,237,227,.6); font-style: italic; }

.comentario {
  display: grid; grid-template-columns: 42px 1fr; gap: .9rem; align-items: start;
  padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.1);
}
.comentario__avatar {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--pitaya); color: #fff; font-family: var(--fuente-tit); font-weight: 700;
}
.comentario__meta { margin: 0 0 .2rem; font-size: .85rem; display: flex; gap: .7rem; align-items: baseline; flex-wrap: wrap; }
.comentario__meta strong { color: var(--rosa); }
.comentario__meta time { color: rgba(245,237,227,.55); font-size: .78rem; }
.comentario__texto { margin: 0; color: var(--crema); }

/* ============================================================
   PIE
   ============================================================ */
.pie {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 2rem clamp(1rem, 5vw, 4rem); background: #1F120F; color: var(--crema);
}
.pie strong { font-family: var(--fuente-tit); font-size: 1.2rem; }
.pie p { margin: .2rem 0 0; font-size: .88rem; color: rgba(245,237,227,.7); max-width: 46ch; }
.pie__legal { align-self: center; }

/* ============================================================
   ANIMACIONES Y RESPONSIVE
   ============================================================ */
.animable { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.animable.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .animable { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 1000px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--2, .grid--media { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .login-wrap { grid-template-columns: 1fr; }
  .login-visual { min-height: 220px; }
}

@media (max-width: 640px) {
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .barra { gap: .6rem; }
  .nav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: .3rem; }
  .nav a { white-space: nowrap; }
  .sesion { margin-left: auto; }
}