/* =========================================================
   Pau Martí Felip — Marketplace de IA aplicada
   Estilos: marketplace moderno, fondo oscuro, tarjetas blancas
   ========================================================= */

:root {
  /* Paleta */
  --bg: #07070b;
  --bg-soft: #0e0e16;
  --surface: #ffffff;
  --ink: #0c0c14;
  --ink-soft: #4a4a5a;
  --ink-faint: #7c7c8c;
  --line: #ececf2;

  /* Acentos */
  --accent: #7c5cff;
  --accent-2: #4f9dff;
  --accent-3: #29e0c4;
  --grad: linear-gradient(135deg, #7c5cff 0%, #4f9dff 55%, #29e0c4 120%);
  --grad-text: linear-gradient(120deg, #b9a8ff 0%, #8fc4ff 50%, #6ff2dd 100%);
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;

  /* Sombras y radios */
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 999px;
  --shadow-card: 0 18px 50px -20px rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 40px 80px -28px rgba(79, 157, 255, 0.45);

  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Inter", sans-serif;
  color: #e9e9f1;
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fondo decorativo con resplandores y rejilla sutil */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(620px 520px at 12% -5%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(680px 560px at 100% 8%, rgba(79, 157, 255, 0.18), transparent 60%),
    radial-gradient(700px 600px at 50% 110%, rgba(41, 224, 196, 0.12), transparent 60%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 0%, black, transparent 75%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================ Tipografía ============================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c9c4ff;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 12px var(--accent-3);
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 18px 0 14px;
}
.section-head p { color: var(--ink-faint); font-size: 1.08rem; }

section { padding: 88px 0; position: relative; }

/* ============================ Botones ============================ */
.btn {
  --pad: 15px 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--pad);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), filter 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn svg { width: 20px; height: 20px; }

.btn-primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 14px 34px -12px rgba(124, 92, 255, 0.7);
}
.btn-primary:hover { transform: translateY(-3px); filter: brightness(1.06); box-shadow: 0 22px 46px -14px rgba(79, 157, 255, 0.75); }

.btn-secondary {
  color: #f2f2f8;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.32); }

.btn-whatsapp {
  color: #06351c;
  background: var(--whatsapp);
  box-shadow: 0 14px 34px -12px rgba(37, 211, 102, 0.6);
}
.btn-whatsapp:hover { transform: translateY(-3px); background: #2ee06f; box-shadow: 0 22px 46px -14px rgba(37, 211, 102, 0.7); }

.btn-block { width: 100%; }

/* ============================ Navbar ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 7, 11, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.01em; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--grad);
  display: grid; place-items: center;
  color: #fff; font-weight: 900; font-size: 1.05rem;
  box-shadow: 0 8px 20px -8px rgba(124, 92, 255, 0.8);
}
.brand .name { font-size: 1.05rem; line-height: 1.1; }
.brand .name span { display: block; font-size: 0.72rem; font-weight: 600; color: var(--ink-faint); letter-spacing: 0.05em; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a.link { color: #c7c7d4; font-weight: 600; font-size: 0.96rem; transition: color 0.2s; }
.nav-links a.link:hover { color: #fff; }
.nav .btn { --pad: 11px 20px; font-size: 0.92rem; }

/* ============================ Hero ============================ */
.hero { padding-top: 84px; padding-bottom: 60px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 22px 0 20px;
}
.hero p.lead {
  font-size: 1.18rem;
  color: #c2c2d2;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
  display: flex;
  gap: 34px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stats .stat strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats .stat span { color: var(--ink-faint); font-size: 0.9rem; }

/* Tarjeta visual flotante del hero (sin imágenes) */
.hero-visual { position: relative; }
.glass-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7);
  animation: float 7s ease-in-out infinite;
}
.glass-card .gc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.glass-card .gc-avatar {
  width: 46px; height: 46px; border-radius: 14px; background: var(--grad);
  display: grid; place-items: center; color: #fff; font-weight: 900;
}
.glass-card .gc-head b { font-size: 1rem; }
.glass-card .gc-head small { color: var(--ink-faint); display: block; }
.gc-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 15px; margin-bottom: 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.gc-row span { font-size: 0.92rem; color: #dadae6; }
.gc-row .tag {
  font-size: 0.72rem; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: rgba(41, 224, 196, 0.16); color: #7af0dd; border: 1px solid rgba(41, 224, 196, 0.3);
}
.gc-row .tag.alt { background: rgba(124, 92, 255, 0.16); color: #c2b4ff; border-color: rgba(124, 92, 255, 0.3); }
.glass-card .gc-foot { margin-top: 16px; display: flex; align-items: center; gap: 9px; font-size: 0.86rem; color: var(--ink-faint); }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--whatsapp); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); animation: pulse 2s infinite; }

.orb { position: absolute; border-radius: 50%; filter: blur(46px); z-index: -1; }
.orb.one { width: 220px; height: 220px; background: rgba(124, 92, 255, 0.55); top: -40px; right: -30px; }
.orb.two { width: 180px; height: 180px; background: rgba(41, 224, 196, 0.4); bottom: -40px; left: -30px; }

/* ============================ Cómo funciona ============================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(124, 92, 255, 0.4); background: rgba(255, 255, 255, 0.06); }
.step .num {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center;
  font-weight: 900; font-size: 1.2rem; color: #fff;
  background: var(--grad);
  margin-bottom: 18px;
  box-shadow: 0 10px 24px -10px rgba(124, 92, 255, 0.8);
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.step p { color: var(--ink-faint); font-size: 0.98rem; }

/* ============================ Filtros ============================ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
}
.chip {
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.94rem;
  color: #cfcfdb;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.chip:hover { color: #fff; border-color: rgba(255, 255, 255, 0.3); transform: translateY(-2px); }
.chip.active {
  color: #fff;
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 12px 28px -12px rgba(124, 92, 255, 0.8);
}

/* ============================ Grid de productos ============================ */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }
.card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 7px 13px; border-radius: 999px;
  background: #f3f1ff; color: #5b3ee0;
}
.pill.modalidad { background: #eaf4ff; color: #1f6fd6; }
.featured-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.74rem; font-weight: 800; letter-spacing: 0.02em;
  padding: 7px 12px; border-radius: 999px;
  color: #8a5a00;
  background: linear-gradient(120deg, #fff0c8, #ffe49a);
  border: 1px solid #ffd874;
}

.card h3 {
  font-size: 1.32rem;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 14px;
  min-height: 2.4em;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}
.price .amount {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #7c5cff, #4f9dff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.price .note { font-size: 0.82rem; color: var(--ink-faint); font-weight: 600; }

.card .desc { color: var(--ink-soft); font-size: 0.96rem; margin-bottom: 18px; }

.meta { display: grid; gap: 12px; margin-bottom: 22px; }
.meta .row { display: flex; gap: 11px; align-items: flex-start; }
.meta .ico {
  flex: none;
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: #f4f3fb;
}
.meta .ico svg { width: 16px; height: 16px; }
.meta .row .label { display: block; margin-bottom: 2px; font-size: 0.7rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }
.meta .row .val { display: block; font-size: 0.93rem; color: var(--ink); line-height: 1.4; }

.card .btn-interes {
  margin-top: auto;
  color: #06351c;
  background: var(--whatsapp);
  box-shadow: 0 12px 26px -14px rgba(37, 211, 102, 0.7);
}
.card .btn-interes:hover { transform: translateY(-3px); background: #2ee06f; box-shadow: 0 18px 36px -16px rgba(37, 211, 102, 0.8); }

.empty-msg { color: var(--ink-faint); grid-column: 1 / -1; text-align: center; padding: 40px 0; }

/* ============================ Destacados ============================ */
.featured-section .grid { grid-template-columns: repeat(3, 1fr); }
.featured-section .card { border: 2px solid transparent; background:
  linear-gradient(#fff, #fff) padding-box,
  linear-gradient(135deg, #ffe49a, #7c5cff) border-box;
}

/* ============================ CTA final ============================ */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(700px 300px at 50% -20%, rgba(124, 92, 255, 0.5), transparent 70%),
    linear-gradient(135deg, #15122b, #0c1530);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); letter-spacing: -0.02em; margin-bottom: 14px; }
.cta p { color: #c4c4d6; font-size: 1.12rem; max-width: 560px; margin: 0 auto 30px; }
.cta .hero-actions { justify-content: center; }

/* ============================ Footer ============================ */
.footer {
  padding: 56px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer p { color: var(--ink-faint); font-size: 0.92rem; }
.footer .foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer .foot-links a { color: #c7c7d4; font-weight: 600; font-size: 0.92rem; transition: color 0.2s; }
.footer .foot-links a:hover { color: #fff; }

/* ============================ Animaciones ============================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Animación escalonada de tarjetas al filtrar */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.card.animate { animation: cardIn 0.5s var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================ Responsive ============================ */
@media (max-width: 1000px) {
  .grid, .featured-section .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; }
}

@media (max-width: 820px) {
  .steps { grid-template-columns: 1fr; }
  .nav-links .link { display: none; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .grid, .featured-section .grid { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .hero h1 { font-size: clamp(2.1rem, 9vw, 3rem); }
  .hero-actions .btn { flex: 1 1 100%; }
  .cta { padding: 48px 24px; }
  .card h3 { min-height: 0; }
  .hero-stats { gap: 22px; }
}