/* ======================================================
   Freimel Jerez WebApp — Hoja de estilos principal
   Tema oscuro moderno + estructura responsive
   ====================================================== */

/* Paleta */
:root {
  --bg: #0f0f0f;
  --panel: #151515;
  --panel2: #1b1b1b;
  --line: #2b2b2b;
  --text: #e9e9e9;
  --muted: #bdbdbd;
  --accent: #7dd3fc;
  --primary: #1d8f2d;
}

/* Reset / Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
}
img { max-width: 100%; display: block; border-radius: 8px; }

/* Utilidades */
.container { width: min(1100px, 100%); margin-inline: auto; padding: 18px; }
.flex { display: flex; }
.between { justify-content: space-between; }
.center-v { align-items: center; }
.gap { gap: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

@media (max-width: 960px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ================= HEADER ================= */
.topbar {
  position: sticky; top: 0;
  backdrop-filter: saturate(1.2) blur(6px);
  background: #0f0f0fdd;
  border-bottom: 1px solid var(--line);
  z-index: 10;
  padding: 10px 0;
}
.brand {
  display: flex; gap: 10px; align-items: center;
  text-decoration: none; color: var(--text);
  font-weight: 800; letter-spacing: .5px;
}
.nav {
  display: flex; gap: 14px;
  transition: all 0.3s ease;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease;
}
.nav a:hover,
.nav a.active { background: var(--panel2); }

/* ================= BOTONES ================= */
.btn {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border: none;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  transition: all 0.25s ease;
}
.btn:hover {
  background: #27b037;
  transform: translateY(-1px);
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.link { color: var(--accent); text-decoration: none; transition: 0.3s; }
.link:hover { color: #fff; }

/* Botón secundario */
.btn-secundario {
  background: #111;
  color: #0f0;
  border: 1px solid #0f0;
  border-radius: 6px;
  padding: 6px 12px;
  margin-left: 8px;
  transition: 0.3s ease;
}
.btn-secundario:hover {
  background: #0f0;
  color: #000;
}

/* ================= HERO ================= */
.hero {
  border-bottom: 1px solid var(--line);
  background: radial-gradient(70% 60% at 10% 20%, #113, #000 60%);
  padding: 40px 0;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin-bottom: 10px;
}
.hero .cta {
  display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap;
}
.hero-img {
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px #0008;
}

/* ================= CARDS ================= */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  transition: transform 0.25s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

/* ================= CTA BAR ================= */
.cta-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #111, #0f0f0f);
  padding: 14px 0;
}

/* ================= FOOTER ================= */
.footer {
  border-top: 1px solid var(--line);
  background: #0d0d0d;
  padding: 20px 0;
}
.muted { color: var(--muted); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 10px; }

/* ================= FORMULARIO ================= */
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; }
.form input, .form select, .form textarea {
  width: 100%;
  background: #0f0f0f;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 10px;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid var(--accent);
}

/* ================= TOGGLE MONEDA ================= */
.price-toggle { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.toggle-btn {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.toggle-btn.active {
  background: var(--accent);
  color: #000;
  font-weight: 600;
  box-shadow: 0 0 10px #7dd3fc55;
}
.price { font-weight: 700; margin: 10px 0; }
.amount.hidden { display: none; }

/* ================= VIDEO RESPONSIVO ================= */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  background: #000;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.video-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ================= MENÚ HAMBURGUESA ================= */
.hamburger {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.hamburger[aria-expanded="true"] {
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav {
    display: none;
    flex-direction: column;
    gap: 10px;
    background: var(--panel2);
    position: absolute;
    top: 60px;
    right: 18px;
    padding: 14px;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, .5);
  }
  .nav.active { display: flex; }
  .nav a { text-align: right; }
}