:root {
  --red: #e31e24;
  --black: #0d0d0d;
  --wsp: #25d366;
  --gray-bg: #f5f5f5;
  --gray-text: #555;
  --border: #e2e2e2;
  --white: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── HEADER ─── */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 2px solid var(--red);
  padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.logo {
  font-weight: 900; font-size: 1.25rem; color: var(--black);
  text-decoration: none; letter-spacing: -0.5px;
}
.logo span { background: var(--red); color: #fff; padding: 1px 7px; margin-left: 1px; }

.btn-wsp-header {
  display: flex; align-items: center; gap: 8px;
  background: var(--wsp); color: #fff;
  padding: 10px 20px; border-radius: 6px;
  text-decoration: none; font-weight: 700; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.3px;
  transition: filter 0.2s;
}
.btn-wsp-header:hover { filter: brightness(1.1); }

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(rgba(0,0,0,0.72), rgba(0,0,0,0.72)),
              url('https://images.unsplash.com/photo-1597733336794-12d05021d510?auto=format&fit=crop&w=1400&q=80');
  background-size: cover; background-position: center;
  color: #fff;
}
.zone-badge {
  background: var(--red);
  color: #fff;
  font-weight: 700; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 5px 14px; border-radius: 3px;
  display: inline-block; margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900; line-height: 1.05;
  text-transform: uppercase; letter-spacing: -1px;
  max-width: 800px;
}
.hero h1 em { color: var(--red); font-style: normal; }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 560px;
  margin: 20px auto 36px;
  opacity: 0.88;
  line-height: 1.7;
}

.btn-wsp-main {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--wsp); color: #fff;
  padding: 18px 40px; border-radius: 8px;
  text-decoration: none; font-weight: 900;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  text-transform: uppercase; letter-spacing: 0.5px;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  transition: transform 0.2s, filter 0.2s;
}
.btn-wsp-main:hover { transform: translateY(-3px); filter: brightness(1.08); }
.btn-wsp-main .fab { font-size: 1.4rem; }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 20px;
  justify-content: center; margin-top: 28px;
  font-size: 0.85rem; opacity: 0.8;
}
.hero-trust span { display: flex; align-items: center; gap: 6px; }
.hero-trust .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--wsp); display: inline-block; }

/* ─── RESPUESTAS RÁPIDAS ─── */
.quick-answers {
  background: var(--black); color: #fff;
  padding: 60px 24px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  max-width: 100%;
}
.qa-item {
  padding: 36px 32px;
  border-right: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.qa-item:last-child { border-right: none; }
.qa-number {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 2px;
  color: var(--red); text-transform: uppercase; display: block;
  margin-bottom: 10px;
}
.qa-item strong {
  display: block; font-size: 1.25rem; font-weight: 900;
  line-height: 1.2; margin-bottom: 8px;
}
.qa-item p { font-size: 0.88rem; opacity: 0.6; line-height: 1.5; }

/* ─── PROBLEMAS ─── */
.problems { padding: 80px 24px; background: var(--white); }
.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--red);
  display: block; margin-bottom: 12px;
}
.section-h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900; text-transform: uppercase;
  letter-spacing: -0.5px; line-height: 1.1;
  margin-bottom: 50px;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.p-card {
  background: var(--white);
  padding: 32px 28px;
  transition: all 0.3s ease;
  display: block;
  text-decoration: none;
  color: inherit;
  border-left: 4px solid transparent;
  cursor: pointer;
}
.p-card:hover { 
  background: #fafafa;
  transform: translateY(-8px);
  box-shadow: 0 12px 28px rgba(227, 30, 36, 0.15);
  border-left: 4px solid var(--red);
}
.p-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: #fff0f0; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.p-icon i { color: var(--red); font-size: 1.3rem; }
.p-card h3 {
  font-size: 1.05rem; font-weight: 900; text-transform: uppercase;
  margin-bottom: 8px; letter-spacing: -0.2px;
}
.p-card p { font-size: 0.9rem; color: var(--gray-text); line-height: 1.6; }

/* ─── PRUEBA SOCIAL ─── */
.social-proof {
  padding: 80px 24px;
  background: var(--gray-bg);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 14px;
}
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.review-stars { color: #f5a623; font-size: 0.9rem; margin-bottom: 14px; }
.review-text {
  font-size: 0.97rem; color: #333; line-height: 1.7;
  font-style: italic; margin-bottom: 18px;
}
.review-author {
  font-weight: 700; font-size: 0.85rem; color: var(--black);
}
.review-zone { font-size: 0.8rem; color: #999; }

/* ─── CÓMO FUNCIONA ─── */
.how {
  padding: 80px 24px;
  background: var(--white);
}
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  margin-top: 50px;
  border: 1px solid var(--border);
}
.step {
  padding: 36px 28px;
  border-right: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-right: none; }
.step-num {
  font-size: 2.5rem; font-weight: 900; color: #f0f0f0;
  line-height: 1; margin-bottom: 12px;
}
.step h4 {
  font-size: 0.95rem; font-weight: 900; text-transform: uppercase;
  margin-bottom: 8px; letter-spacing: 0.2px;
}
.step p { font-size: 0.85rem; color: var(--gray-text); line-height: 1.6; }
.step-highlight { color: var(--red); font-weight: 700; }

/* ─── FAQ ─── */
.faq-section {
  padding: 80px 24px;
  background: var(--black); color: #fff;
}
.faq-section .section-label { color: rgba(255,255,255,0.4); }
.faq-section .section-h2 { color: #fff; }

.faq-list { max-width: 700px; }
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
}
.faq-item:first-child { border-top: 1px solid rgba(255,255,255,0.1); }
.faq-q {
  font-weight: 700; font-size: 0.97rem;
  margin-bottom: 10px;
}
.faq-a {
  font-size: 0.9rem; color: rgba(255,255,255,0.55);
  line-height: 1.7;
}
.faq-a strong { color: rgba(255,255,255,0.85); font-weight: 700; }

/* ─── CTA FINAL ─── */
.cta-final {
  padding: 100px 24px;
  background: var(--red);
  text-align: center;
  color: #fff;
}
.cta-final h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; text-transform: uppercase;
  letter-spacing: -1px; line-height: 1.05;
  margin-bottom: 16px;
}
.cta-final p {
  font-size: 1.1rem; opacity: 0.88;
  max-width: 480px; margin: 0 auto 36px;
  line-height: 1.6;
}
.btn-wsp-white {
  display: inline-flex; align-items: center; gap: 12px;
  background: #fff; color: var(--black);
  padding: 18px 40px; border-radius: 8px;
  text-decoration: none; font-weight: 900;
  font-size: 1.05rem; text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}
.btn-wsp-white:hover { transform: translateY(-3px); }
.btn-wsp-white .fab { color: var(--wsp); font-size: 1.4rem; }

/* ─── FOOTER ─── */
footer {
  background: #000; color: rgba(255,255,255,0.45);
  padding: 36px 24px; text-align: center;
  font-size: 0.82rem; line-height: 1.8;
}
footer a { color: var(--wsp); text-decoration: none; }
.footer-logo {
  font-weight: 900; font-size: 1rem; color: rgba(255,255,255,0.7);
  display: block; margin-bottom: 8px;
}
.footer-logo span { background: var(--red); color: #fff; padding: 0 6px; margin-left: 1px; }

/* ─── FLOAT BUTTON ─── */
.wsp-float {
  position: fixed; bottom: 28px; right: 28px;
  width: 64px; height: 64px;
  background: var(--wsp); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  z-index: 9999; text-decoration: none; transition: transform 0.2s;
}
.wsp-float:hover { transform: scale(1.1); }

/* ─── MOBILE ─── */
@media (max-width: 700px) {
  .quick-answers { grid-template-columns: 1fr 1fr; }
  .qa-item { border-right: 1px solid rgba(255,255,255,0.08); border-bottom: 1px solid rgba(255,255,255,0.08); }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: none; }
}
@media (max-width: 480px) {
  .quick-answers { grid-template-columns: 1fr; }
}