:root {
  --bg: #050505;
  --bg-soft: #0d0d0d;
  --surface: #111111;
  --surface-2: #171717;
  --surface-3: #1d1d1d;
  --text: #f5f5f5;
  --muted: #cfcfcf;
  --muted-2: #a7a7a7;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --yellow: #f3c316;
  --yellow-soft: rgba(243, 195, 22, 0.14);
  --green: #25d366;
  --red: #ff1f1f;
  --shadow-sm: 0 10px 24px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 18px 40px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius-sm: 16px;
  --radius-md: 22px;
  --radius-lg: 28px;
  --container: 1200px;
  --transition: 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  color: #f0f0f0;
  font-size: 0.96rem;
  position: relative;
  transition: color var(--transition);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--yellow);
  transition: width var(--transition);
}

.nav a:hover {
  color: var(--yellow);
}

.nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 14px;
  cursor: pointer;
  justify-content: center;
  align-items: center;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  width: 22px;
  height: 2px;
  background: #fff;
  position: absolute;
  transition: 0.3s ease;
}

.nav-toggle span::before {
  transform: translateY(-7px);
}

.nav-toggle span::after {
  transform: translateY(7px);
}

.nav-toggle.active span {
  background: transparent;
}

.nav-toggle.active span::before {
  transform: rotate(45deg);
}

.nav-toggle.active span::after {
  transform: rotate(-45deg);
}

/* HERO */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.56)),
    url("./01_home/hero-bg.jpg") center center / cover no-repeat;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.78),
    rgba(0, 0, 0, 0.36),
    rgba(0, 0, 0, 0.6)
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 78px 0;
  max-width: 850px;
}

.hero-title {
  font-size: clamp(3rem, 7vw, 6.3rem);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: -0.045em;
  margin-bottom: 22px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.12rem);
  color: #ededed;
  max-width: 760px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

/* BOTONES */
.btn,
.btn-program,
.btn-whatsapp.big {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
  cursor: pointer;
}

.btn:hover,
.btn-program:hover,
.btn-whatsapp.big:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--yellow);
  color: #111;
  box-shadow: 0 10px 24px rgba(243, 195, 22, 0.18);
}

.btn-primary:hover {
  background: #ffd84a;
  box-shadow: 0 14px 28px rgba(243, 195, 22, 0.26);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.34);
}

.btn-program {
  width: 100%;
  margin-top: 18px;
  background: var(--yellow);
  color: #111;
  box-shadow: 0 12px 24px rgba(243, 195, 22, 0.14);
}

.btn-program:hover {
  background: #ffd84a;
  box-shadow: 0 16px 28px rgba(243, 195, 22, 0.24);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  background: var(--green);
  color: #fff;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    filter var(--transition);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.18);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(37, 211, 102, 0.26);
  filter: brightness(1.05);
}

.btn-whatsapp.big {
  padding: 0 28px;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  transition:
    transform var(--transition),
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.icon-btn:hover {
  background: var(--yellow);
  color: #111;
  border-color: var(--yellow);
  transform: translateY(-2px);
}

/* SECCIONES */
.section {
  padding: 92px 0;
}

.section-title {
  text-align: center;
  font-size: clamp(1.95rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 860px;
  margin: 0 auto 42px;
  font-size: 1rem;
}

/* URGENCIA */
.urgent-banner-section {
  padding: 20px 0 10px;
}

.urgent-banner {
  background: linear-gradient(90deg, #f3c316, #ffd84a);
  color: #111;
  font-weight: 800;
  text-align: center;
  padding: 16px 18px;
  border-radius: 18px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 24px rgba(243, 195, 22, 0.25);
  animation: pulseBanner 2.2s infinite;
}

/* PARTNERS */
.partners {
  padding: 38px 0 20px;
}

.partners-inner {
  background: linear-gradient(180deg, #101010, #0b0b0b);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px 24px;
  box-shadow: var(--shadow-md);
}

.partners-text {
  text-align: center;
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 1rem;
}

.partners-logos {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.partner-card {
  min-width: 170px;
  min-height: 74px;
  padding: 16px 22px;
  border-radius: 20px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition), border-color var(--transition);
}

.partner-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.partner-text {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.partner-text.total {
  color: #fff;
}

.partner-text.fit {
  color: var(--yellow);
}

/* GRIDS */
.programs-grid,
.services-grid,
.why-grid,
.benefits-grid,
.results-grid,
.testimonials-grid {
  display: grid;
  gap: 24px;
}

.programs-grid,
.services-grid,
.why-grid,
.results-grid,
.testimonials-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.benefits-grid {
  grid-template-columns: repeat(5, 1fr);
}

/* BASE CARDS */
.program-card,
.service-card,
.why-card,
.benefit,
.contact-box,
.result-card,
.testimonial-card {
  background: linear-gradient(180deg, #121212, #0c0c0c);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.program-card,
.service-card,
.why-card,
.result-card,
.testimonial-card {
  overflow: hidden;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.program-card:hover,
.service-card:hover,
.why-card:hover,
.result-card:hover,
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.program-card {
  display: flex;
  flex-direction: column;
}

.program-media {
  overflow: hidden;
}

.program-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.program-card:hover .program-media img {
  transform: scale(1.04);
}

.program-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.program-content .btn-program {
  margin-top: auto;
}

.program-content h3,
.service-card h3,
.why-card h3,
.result-content h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.program-text,
.service-card p,
.why-card p {
  color: var(--muted);
}

.program-horarios {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  color: #e7e7e7;
  margin-bottom: 18px;
}

.program-horarios p {
  margin-top: 6px;
}

.service-card {
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
}

.service-icon,
.why-icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 18px;
  background: var(--yellow-soft);
  border: 1px solid rgba(243, 195, 22, 0.18);
  color: var(--yellow);
  font-size: 1.35rem;
}

.service-info {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  color: #e9e9e9;
}

.service-info strong {
  color: #fff;
}

.service-card .btn-program {
  margin-top: auto;
}

.why-card {
  padding: 26px 22px;
}

.benefit {
  padding: 28px 18px;
  text-align: center;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.benefit:hover {
  transform: translateY(-4px);
  border-color: rgba(243, 195, 22, 0.18);
  box-shadow: var(--shadow-md);
}

.benefit h4 {
  font-size: 1.02rem;
  font-weight: 800;
}

/* RESULTADOS */
.result-card img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.result-content {
  padding: 20px 20px 22px;
}

.result-text {
  color: var(--muted);
  font-size: 0.95rem;
}

.results-cta {
  text-align: center;
  margin-top: 30px;
}

/* TESTIMONIOS */
.testimonial-card {
  padding: 26px 22px;
  position: relative;
}

.testimonial-card::before {
  content: "“";
  position: absolute;
  top: 10px;
  left: 14px;
  font-size: 3rem;
  color: rgba(243, 195, 22, 0.2);
  font-weight: 900;
}

.testimonial-text {
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 16px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.testimonial-name {
  font-weight: 800;
  color: var(--yellow);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

/* BOXES */
.contact-box {
  padding: 36px 24px;
  text-align: center;
}

.trial-text {
  max-width: 850px;
  margin: 0 auto 18px;
  color: var(--muted);
  text-align: center;
}

.location-copy {
  margin-bottom: 28px;
}

.location-copy p {
  max-width: 900px;
  margin: 0 auto 14px;
  color: var(--muted);
}

iframe {
  border: 0;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* CTA FINAL */
.cta-final .contact-box {
  background: linear-gradient(180deg, #161616, #0c0c0c);
  border: 1px solid rgba(243, 195, 22, 0.2);
  box-shadow: 0 20px 50px rgba(243, 195, 22, 0.08);
}

.cta-final .section-title {
  color: var(--yellow);
}

.cta-final .btn-whatsapp {
  margin-top: 18px;
  font-size: 1.05rem;
}

/* FLOAT WHATSAPP */
.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  min-height: 58px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  box-shadow: 0 18px 30px rgba(37, 211, 102, 0.28);
  transition:
    transform var(--transition),
    filter var(--transition),
    box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.02);
  filter: brightness(1.05);
  box-shadow: 0 22px 36px rgba(37, 211, 102, 0.34);
}

.whatsapp-float span {
  font-size: 0.9rem;
}

/* POPUP */
.promo-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(6px);
}

.promo-modal.show {
  display: flex;
  animation: fadeInModal 0.3s ease;
}

.promo-modal.closing {
  animation: fadeOutModal 0.25s ease forwards;
}

.promo-card {
  position: relative;
  width: min(100%, 360px);
  max-height: 90vh;
  overflow: hidden;
  border-radius: 22px;
  background: #111;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  animation: popupZoomIn 0.35s ease;
}

.promo-modal.closing .promo-card {
  animation: popupZoomOut 0.25s ease forwards;
}

.promo-card img {
  width: 100%;
  height: auto;
  display: block;
}

.promo-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 20;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  color: #ffffff;
  font-size: 28px;
  line-height: 1;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.promo-close:hover {
  background: var(--red);
  color: #fff;
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(255, 31, 31, 0.5);
}

.promo-close:active {
  transform: scale(0.96);
}

/* REVEAL */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left {
  transform: translateX(-34px);
}

.reveal-right {
  transform: translateX(34px);
}

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.05s; }
.delay-2 { transition-delay: 0.12s; }
.delay-3 { transition-delay: 0.18s; }
.delay-4 { transition-delay: 0.24s; }
.delay-5 { transition-delay: 0.3s; }

/* ANIMACIONES */
@keyframes fadeInModal {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOutModal {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes popupZoomIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes popupZoomOut {
  from {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  to {
    opacity: 0;
    transform: scale(0.94) translateY(8px);
  }
}

@keyframes pulseBanner {
  0% { transform: scale(1); }
  50% { transform: scale(1.015); }
  100% { transform: scale(1); }
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .programs-grid,
  .services-grid,
  .why-grid,
  .results-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    background: rgba(10, 10, 10, 0.98);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 18px;
    display: grid;
    gap: 14px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav a::after {
    display: none;
  }

  .nav.nav-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 92px 0 72px;
  }

  .programs-grid,
  .services-grid,
  .why-grid,
  .benefits-grid,
  .results-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 78px 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 22px, var(--container));
  }

  .header-inner {
    min-height: 72px;
  }

  .brand-title {
    font-size: 1rem;
  }

  .hero-title {
    font-size: clamp(2.7rem, 13vw, 4.8rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions,
  .social-row {
    gap: 10px;
  }

  .btn,
  .btn-whatsapp,
  .btn-program,
  .btn-whatsapp.big {
    width: 100%;
  }

  .icon-btn {
    width: 52px;
    height: 52px;
  }

  .contact-box {
    padding: 28px 18px;
  }

  .program-content,
  .service-card,
  .why-card,
  .benefit,
  .testimonial-card,
  .result-content {
    padding: 20px 18px;
  }

  .result-card img {
    height: auto;
  }

  .promo-card {
    width: min(100%, 320px);
    border-radius: 18px;
  }

  .promo-close {
    width: 38px;
    height: 38px;
    top: 8px;
    right: 8px;
    font-size: 24px;
  }

  .whatsapp-float {
    right: 12px;
    bottom: 12px;
    min-height: 54px;
    padding: 0 16px;
  }
}