/* ==========================================================================
   Panda Creativo Studio — Reviews (landing de venta)
   Mismo sistema de diseño que web.pandacreativostudio.cloud, recortado.
   ========================================================================== */

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

:root {
  --bg: #06070D;
  --bg-alt: rgba(10,12,23,0.92);
  --surface: #12162A;
  --surface-2: #171B33;
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.22);

  --text: #F4F6FF;
  --muted: #A6ACC9;

  --accent: #4F6BFF;
  --accent-2: #8B5CF6;
  --accent-3: #22D3EE;
  --gradient: linear-gradient(135deg, #4F6BFF 0%, #8B5CF6 100%);
  --gradient-glow: linear-gradient(135deg, #4F6BFF 0%, #8B5CF6 55%, #22D3EE 100%);

  --font-head: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-soft: 0 12px 30px -12px rgba(0,0,0,0.45);
  --shadow-strong: 0 24px 60px -18px rgba(0,0,0,0.6);
  --shadow-glow: 0 20px 60px -20px rgba(79,107,255,0.45);
  --ease: cubic-bezier(.16,.84,.44,1);
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
::selection { background: var(--accent-2); color: #fff; }

[hidden] { display: none !important; }

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

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 24px; }
.container-narrow { max-width: 760px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 26px 70px -18px rgba(139,92,246,0.6); }
.btn-ghost-dark { background: rgba(255,255,255,0.06); border: 1.5px solid var(--border); color: var(--text); }
.btn-ghost-dark:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* ---------- Section rhythm ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text);
  margin-bottom: 22px;
}
.section-header { max-width: 640px; margin-bottom: 52px; }
.section-header.center { margin-inline: auto; text-align: center; }
.section-header h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 14px; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

.section { padding: 100px 0; position: relative; }
.section-alt { background: var(--bg-alt); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,7,13,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); box-shadow: 0 8px 24px -18px rgba(0,0,0,0.7); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.logo { display: flex; align-items: center; gap: 10px; color: var(--text); }
.logo img { width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0; }
.logo-text { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a:not(.nav-cta) {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding-bottom: 3px;
  transition: color .2s var(--ease);
}
.main-nav a:not(.nav-cta):hover { color: var(--text); }
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--gradient);
  transition: right .25s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after { right: 0; }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); transition: transform .25s var(--ease), opacity .25s var(--ease); margin-inline: auto; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 110px; position: relative; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: clamp(2.2rem, 4.4vw, 3.3rem); margin-bottom: 20px; }
.hero-sub { font-size: 1.1rem; color: var(--muted); max-width: 520px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.trust-strip { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; font-size: 0.88rem; color: var(--muted); }
.trust-strip li { display: flex; align-items: center; gap: 7px; }
.i-check { width: 16px; height: 16px; color: var(--accent-3); flex-shrink: 0; }

/* Hero visual: tarjeta con el flujo toca -> califica -> Google / tú */
.hero-visual { position: relative; }
.flow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-strong);
}
.flow-step { display: flex; align-items: flex-start; gap: 16px; padding: 14px 0; }
.flow-step + .flow-step { border-top: 1px solid var(--border); }
.flow-ico {
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  font-size: 1.2rem;
}
.flow-step h4 { font-size: 0.98rem; margin-bottom: 3px; }
.flow-step p { font-size: 0.86rem; color: var(--muted); }
.flow-branch {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.flow-branch > div {
  flex: 1;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid var(--border);
}
.flow-good { background: rgba(34,211,238,0.1); color: var(--accent-3); border-color: rgba(34,211,238,0.3); }
.flow-bad { background: rgba(139,92,246,0.1); color: #c4b5fd; border-color: rgba(139,92,246,0.3); }

.floating-chip {
  position: absolute;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-strong);
  animation: float 6s ease-in-out infinite;
}
.chip-1 { top: -16px; right: 6%; }
.chip-2 { bottom: -14px; left: 4%; animation-delay: 1s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .floating-chip { animation: none; } }

/* ---------- Reasons grid (3 columnas) ---------- */
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .reasons-grid { grid-template-columns: 1fr; } }

/* ---------- Badges strip ---------- */
.badges-strip { background: var(--bg-alt); border-block: 1px solid var(--border); padding: 30px 0; }
.badges-inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px; }
.badge-item { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 0.92rem; color: var(--muted); }
.badge-ico { font-size: 1.1rem; }

/* ---------- Process / feature grids ---------- */
.process-grid, .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-card, .feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.process-card:hover, .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); border-color: var(--border-strong); }
.process-num {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.feature-ico {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  margin-bottom: 18px;
}
.process-card h3, .feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-card p, .feature-card p { color: var(--muted); font-size: 0.92rem; }

/* ---------- Product / price ---------- */
.product-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}
.product-photo { background: #fff; display: flex; align-items: center; justify-content: center; padding: 28px; }
.product-photo img { width: 100%; max-width: 320px; height: auto; }
.product-info { padding: 40px 44px; display: flex; flex-direction: column; }
.product-info h3 { font-size: 1.4rem; margin-bottom: 8px; }
.product-desc { color: var(--muted); font-size: 0.95rem; margin-bottom: 22px; }
.product-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.product-amount { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; }
.product-currency { font-size: 1rem; color: var(--muted); font-weight: 600; }
.product-note { font-size: 0.82rem; color: var(--muted); margin-bottom: 26px; }
.product-features { margin-bottom: 30px; }
.product-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}
.product-features li:last-child { border-bottom: none; }
.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-3);
  font-weight: 700;
}

@media (max-width: 780px) {
  .product-card { grid-template-columns: 1fr; }
  .product-info { padding: 32px 26px; }
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); overflow: hidden; transition: border-color .2s var(--ease); }
.faq-item.open { border-color: var(--border-strong); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; text-align: left; font-weight: 600; font-size: 0.98rem; }
.faq-icon { width: 18px; height: 18px; flex-shrink: 0; transition: transform .3s var(--ease); color: var(--muted); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); color: var(--accent-3); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer p { overflow: hidden; min-height: 0; color: var(--muted); padding: 0 24px; font-size: 0.95rem; }
.faq-item.open .faq-answer p { padding: 0 24px 22px; }

/* ---------- CTA final ---------- */
.cta-final { padding: 110px 0; text-align: center; }
.cta-final h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); max-width: 640px; margin: 0 auto 16px; }
.cta-final p { color: var(--muted); font-size: 1.05rem; margin-bottom: 36px; }
.hero-actions.center, .cta-final .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: rgba(6,7,13,0.94); color: var(--muted); padding: 70px 0 0; border-top: 1px solid var(--border); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid var(--border); }
.footer-brand .logo { color: var(--text); margin-bottom: 16px; }
.footer-tagline { font-size: 0.92rem; max-width: 260px; }
.footer-col h4 { color: var(--text); font-size: 0.85rem; margin-bottom: 18px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; font-size: 0.9rem; }
.footer-col a { transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--text); }
.footer-static { opacity: 0.75; }
.footer-bottom {
  padding: 22px 0 90px;
  font-size: 0.82rem;
  opacity: 0.7;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 24px;
}
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: inherit; transition: color .2s var(--ease); }
.footer-legal a:hover { color: var(--text); }

@media (min-width: 640px) {
  .footer-bottom { justify-content: space-between; }
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed; bottom: 24px; left: 24px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px -6px rgba(0,0,0,0.55);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float:hover { transform: scale(1.08); box-shadow: 0 12px 32px -6px rgba(0,0,0,0.65); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--delay, 0s); }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .main-nav {
    position: fixed; inset: 76px 0 0 0;
    background: rgba(6,7,13,0.96);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start;
    padding: 30px 24px; gap: 22px;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a:not(.nav-cta) { font-size: 1.05rem; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin-inline: auto; width: 100%; }
  .process-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: 64px 0 80px; }
  .cta-final { padding: 80px 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
  .process-grid, .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .trust-strip { flex-direction: column; gap: 10px; }
  .whatsapp-float { width: 52px; height: 52px; bottom: 18px; left: 18px; }
  .whatsapp-float svg { width: 26px; height: 26px; }

  .flow-branch { flex-direction: column; }
  .badges-inner { gap: 12px 22px; }
}

/* Pantallas muy angostas (iPhone SE, Android chicos) */
@media (max-width: 420px) {
  .container { padding-inline: 18px; }
  .process-card, .feature-card { padding: 22px 18px; }
  .flow-card { padding: 26px 20px; }
  .product-photo { padding: 20px; }
  .faq-question { padding: 16px 18px; font-size: 0.92rem; }
  .faq-item.open .faq-answer p { padding: 0 18px 18px; }
  .faq-answer p { padding: 0 18px; }
}