/* ============================================
   EMERSON ECUAVOLEY — Sitio Deportivo
   Diseño oscuro, atlético, premium
   ============================================ */

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

:root {
  --bg-dark:       #0e0e0e;
  --bg-card:       #161616;
  --bg-section:    #111111;
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(255,220,0,0.4);

  --accent:        #f5c800;   /* amarillo energía */
  --accent-dim:    rgba(245,200,0,0.12);
  --accent-hover:  #ffd600;

  --text-primary:  #f4f4f4;
  --text-secondary:#9ca3af;
  --text-muted:    #4b5563;

  --font-sans:  'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Bebas Neue', 'Inter', impact, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --nav-height: 68px;
  --section-pad: 96px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; font-weight: 800; }
h1 { font-size: clamp(3rem, 8vw, 6.5rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1rem, 2vw, 1.25rem); }
p  { color: var(--text-secondary); line-height: 1.75; }
a  { color: var(--accent); text-decoration: none; transition: color .2s; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
section { padding: var(--section-pad) 0; }

/* === LABELS & TITLES === */
.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.label::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 12px 0 48px;
}

/* === NAV === */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background .3s, border-color .3s;
}
#nav.scrolled {
  background: rgba(14,14,14,0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  color: var(--text-primary);
}
.nav-logo .logo-accent { color: var(--accent); }
.nav-logo .logo-badge {
  padding: 2px 8px;
  background: var(--accent);
  color: #0e0e0e;
  border-radius: 4px;
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .1em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  padding: 9px 22px;
  background: var(--accent);
  color: #0e0e0e !important;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .03em;
  transition: background .2s, transform .1s;
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === HERO === */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 75% 50%, rgba(245,200,0,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 20% 70%, rgba(245,200,0,0.04) 0%, transparent 60%);
  pointer-events: none;
}

/* Diagonal stripe texture */
.hero-texture {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.015) 0px,
    rgba(255,255,255,0.015) 1px,
    transparent 1px,
    transparent 40px
  );
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 820px; }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-kicker .line { width: 32px; height: 2px; background: var(--accent); }

.hero-headline {
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 900;
  line-height: .95;
  letter-spacing: -.04em;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.hero-headline .yellow { color: var(--accent); }

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  background: var(--accent);
  color: #0e0e0e;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: .9rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #0e0e0e;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,200,0,0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .02em;
  transition: border-color .2s, background .2s, transform .15s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -.04em;
  line-height: 1;
}
.stat-label { font-size: .75rem; color: var(--text-muted); margin-top: 4px; letter-spacing: .04em; text-transform: uppercase; }

/* === ABOUT === */
#about { background: var(--bg-section); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }

.about-image {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1a1a1a 0%, #222 100%);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.about-image::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(245,200,0,0.06), transparent);
}

.about-text h2 { margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}
.highlight {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.highlight-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.highlight-text { }
.highlight-title { font-size: .85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.highlight-desc { font-size: .8rem; color: var(--text-secondary); }

/* === CURSOS === */
.cursos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

.curso-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color .25s, transform .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.curso-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.curso-card:hover { border-color: rgba(245,200,0,0.2); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
.curso-card:hover::after { transform: scaleX(1); }

.curso-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,200,0,0.25);
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.curso-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.curso-card p { font-size: .875rem; line-height: 1.65; }

.curso-features {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.curso-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-secondary);
}
.curso-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 900;
  font-size: .75rem;
  flex-shrink: 0;
}

.curso-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap .2s;
}
.curso-cta:hover { gap: 10px; color: var(--accent-hover); }

/* === TIENDA === */
#tienda { background: var(--bg-section); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.tienda-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }

.producto {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.producto:hover { border-color: rgba(245,200,0,0.3); transform: translateY(-3px); }

.producto-img {
  aspect-ratio: 1;
  background: linear-gradient(135deg, #1c1c1c, #222);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.producto-badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  background: var(--accent);
  color: #0e0e0e;
  border-radius: 4px;
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.producto-info { padding: 20px 22px; }
.producto-name { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.producto-desc { font-size: .8rem; color: var(--text-secondary); margin-bottom: 14px; }
.producto-footer { display: flex; align-items: center; justify-content: space-between; }
.producto-tag {
  padding: 4px 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,200,0,0.2);
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
  color: var(--accent);
}
.producto-link {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color .2s;
}
.producto-link:hover { color: var(--accent); }

/* === NORMAS === */
.normas-wrapper { max-width: 760px; }
.normas-intro { margin-bottom: 36px; }

.norma-list { display: flex; flex-direction: column; gap: 16px; }

.norma-item {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color .2s;
}
.norma-item:hover { border-color: rgba(245,200,0,0.2); }
.norma-num {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent);
  opacity: .5;
  flex-shrink: 0;
  width: 36px;
  text-align: right;
  line-height: 1.2;
}
.norma-text h4 { font-size: .95rem; margin-bottom: 4px; color: var(--text-primary); }
.norma-text p { font-size: .85rem; }

/* === CONTACT === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

.contact-info h2 { margin-bottom: 16px; }

.contact-cards { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  transition: border-color .2s, background .2s, color .2s;
}
.contact-card:hover { border-color: var(--border-hover); background: var(--accent-dim); color: var(--accent); }
.contact-card .icon { font-size: 1.2rem; width: 28px; text-align: center; flex-shrink: 0; }
.contact-card .label { flex: 1; }
.contact-card .arrow { color: var(--text-muted); transition: transform .2s, color .2s; }
.contact-card:hover .arrow { transform: translateX(4px); color: var(--accent); }

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: #25d366;
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .03em;
  margin-top: 24px;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.whatsapp-btn:hover {
  background: #20c25d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

.contact-map {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  text-align: center;
  gap: 16px;
}
.contact-map .map-icon { font-size: 3rem; }
.contact-map h3 { font-size: 1rem; }
.contact-map p { font-size: .85rem; max-width: 260px; }

/* === FOOTER === */
footer {
  background: #090909;
  border-top: 1px solid var(--border);
  padding: 44px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand h3 { font-size: 1.4rem; font-weight: 900; letter-spacing: -.02em; margin-bottom: 8px; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: .85rem; }

.footer-col-title {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .85rem; color: var(--text-secondary); transition: color .2s; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: .78rem; color: var(--text-muted); }

/* === LEAD CAPTURE === */
.lead-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.lead-info h2 { margin-bottom: 16px; }
.lead-benefits {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
}
.lead-benefit {
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
}

.lead-form-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: .9rem;
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-dark); }

.form-note {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}
.form-success {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: var(--radius-sm);
  color: #25d366;
  font-size: .85rem;
  font-weight: 600;
  text-align: center;
}
.form-error {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  color: #ef4444;
  font-size: .85rem;
  font-weight: 600;
  text-align: center;
}

/* === EMAIL BTN === */
.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--accent);
  color: #0e0e0e !important;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .03em;
  margin-top: 24px;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.email-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,200,0,0.3);
}

/* === SCROLL REVEAL === */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image { display: none; }
  .lead-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 64px; --nav-height: 62px; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(14,14,14,0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-cta { margin-top: 10px; text-align: center; }
  .nav-toggle { display: flex; }

  .hero-headline { letter-spacing: -.03em; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .hero-stats { gap: 24px; }

  .cursos-grid { grid-template-columns: 1fr; }
  .tienda-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .tienda-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .contact-grid { gap: 40px; }
}