:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1424;
  --bg-tertiary: #161c30;
  --text-primary: #ffffff;
  --text-secondary: #a8b3c7;
  --text-muted: #6b7488;
  --border: #1f2640;
  --accent: #00d4ff;
  --accent-2: #7c3aed;
  --success: #10ddb1;
  --warning: #ffc233;
  --error: #ff4d6d;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --container: 1180px;
  --grad-1: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --grad-2: linear-gradient(135deg, #00d4ff 0%, #10ddb1 100%);
  --shadow-glow: 0 0 60px rgba(0, 212, 255, 0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }

.grad {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 26, 0.85);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--text-secondary); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.btn-primary, .btn-ghost {
  padding: .7rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: 0;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: transform .15s, box-shadow .15s;
}
.btn-primary {
  background: var(--grad-1);
  color: #fff;
  box-shadow: 0 0 24px rgba(0, 212, 255, .25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(0, 212, 255, .45); color: #fff; }
.btn-primary.big { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* HERO */
.hero {
  position: relative;
  padding: 6rem 0 4rem;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(124, 58, 237, .25), transparent),
    radial-gradient(ellipse 600px 300px at 80% 50%, rgba(0, 212, 255, .15), transparent),
    radial-gradient(ellipse 600px 300px at 20% 80%, rgba(16, 221, 177, .12), transparent);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.badge {
  display: inline-block;
  padding: .5rem 1.1rem;
  border-radius: 100px;
  background: rgba(0, 212, 255, .1);
  border: 1px solid rgba(0, 212, 255, .3);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.domain-search {
  display: flex;
  gap: .5rem;
  max-width: 600px;
  margin: 0 auto 1.25rem;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: .35rem;
  box-shadow: var(--shadow-glow);
}
.domain-search:focus-within { border-color: var(--accent); }
.domain-search input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  padding: .75rem 1rem;
  font-size: 1rem;
  outline: none;
  min-width: 0;
}
.domain-search input::placeholder { color: var(--text-muted); }
.domain-search select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 0;
  border-radius: var(--radius-sm);
  padding: .35rem .75rem;
  font-size: .9rem;
  cursor: pointer;
}
.domain-search button {
  border-radius: 100px;
  padding: .7rem 1.5rem;
  white-space: nowrap;
}
.hero-meta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: .88rem;
}

/* COMBO BANNER */
.combo-banner { padding: 1rem 0 3rem; }
.combo-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, rgba(16, 221, 177, .12), rgba(0, 212, 255, .12));
  border: 1.5px solid var(--success);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}
.combo-emoji { font-size: 3rem; }
.combo-text { flex: 1; min-width: 240px; }
.combo-text h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: .35rem; }
.combo-text strong { color: var(--success); }
.combo-text p { color: var(--text-secondary); font-size: .95rem; }
.combo-text code { background: var(--bg-tertiary); padding: 1px 6px; border-radius: 4px; color: var(--accent); font-size: .9em; }

/* SECTIONS */
section.planes, section.features, section.dominios, section.faq, section.cta-final {
  padding: 5rem 0;
}
section h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: .75rem;
}
.section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1rem;
}

/* PLANES */
.planes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.plan-card {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.plan-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(0, 212, 255, .08), var(--bg-secondary) 60%);
}
.plan-card.featured::before {
  content: "MÁS POPULAR";
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--grad-1);
  color: #fff;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
}
.plan-name { font-size: 1.15rem; font-weight: 700; margin-bottom: .25rem; }
.plan-tag { color: var(--text-muted); font-size: .85rem; margin-bottom: 1.25rem; }
.plan-price {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.plan-price .currency { font-size: 1rem; opacity: .6; }
.plan-period { color: var(--text-muted); font-size: .85rem; margin-bottom: .5rem; }
.plan-renewal { color: var(--text-muted); font-size: .78rem; margin-bottom: 1.5rem; }
.plan-features { list-style: none; flex: 1; margin-bottom: 1.5rem; }
.plan-features li {
  padding: .4rem 0;
  font-size: .88rem;
  color: var(--text-secondary);
}
.plan-features li::before { content: "✓ "; color: var(--success); font-weight: bold; }
.plan-cta { width: 100%; justify-content: center; }
.planes-foot {
  text-align: center;
  color: var(--text-muted);
  font-size: .85rem;
  max-width: 720px;
  margin: 0 auto;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.feature {
  padding: 1.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .15s, border-color .15s;
}
.feature:hover { transform: translateY(-2px); border-color: var(--accent); }
.feature-icon { font-size: 2rem; margin-bottom: .75rem; }
.feature h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .35rem; }
.feature p { color: var(--text-secondary); font-size: .9rem; }

/* DOMINIOS */
.tlds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}
.tld {
  padding: 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color .15s, transform .15s;
}
.tld:hover { border-color: var(--accent); transform: translateY(-2px); }
.tld-name { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.tld-price { color: var(--text-secondary); font-size: .9rem; margin-top: .25rem; }
.tld-renewal { color: var(--text-muted); font-size: .75rem; margin-top: .25rem; }

/* FAQ */
section.faq .container { max-width: 820px; }
details {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
}
details[open] { border-color: var(--accent); }
summary {
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.5rem; color: var(--accent); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 1.5rem 1.25rem; color: var(--text-secondary); font-size: .92rem; }

/* CTA FINAL */
.cta-final {
  text-align: center;
  background:
    radial-gradient(ellipse 600px 300px at 50% 50%, rgba(124, 58, 237, .15), transparent);
}
.cta-final p { color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.1rem; }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  background: var(--bg-secondary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-grid h4 {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-grid a {
  display: block;
  font-size: .9rem;
  color: var(--text-secondary);
  padding: .25rem 0;
}
.footer-grid p { color: var(--text-secondary); font-size: .9rem; margin-bottom: .5rem; }
.footer-meta { color: var(--text-muted) !important; font-size: .8rem !important; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: .82rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .domain-search { flex-wrap: wrap; border-radius: var(--radius); padding: .5rem; }
  .domain-search input { width: 100%; padding: .65rem .5rem; }
  .domain-search select { width: auto; }
  .domain-search button { width: 100%; border-radius: var(--radius-sm); }
  .combo-card { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .planes-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}