/* ── Variables ─────────────────────────────────────────────────────────── */
:root {
  --bg:         #0A0F1E;
  --bg2:        #0D1627;
  --card:       #111827;
  --card2:      #1A2235;
  --border:     #1E2D45;
  --text:       #F0F4FF;
  --muted:      #6B7FA8;
  --accent:     #3B82F6;
  --accent-dim: #1E3A5F;
  --green:      #10B981;
  --amber:      #F59E0B;
  --red:        #EF4444;
  --radius:     14px;
  --transition: 0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; }

/* ── Navbar ────────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--text);
}
.nav-logo .dot { color: var(--accent); }
.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: opacity var(--transition) !important;
}
.nav-cta:hover { opacity: 0.85; }

/* ── Sections ──────────────────────────────────────────────────────────── */
section { padding: 100px 5%; }
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
}
.center { text-align: center; }
.center .section-sub { margin: 0 auto; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, #1a3a6a44 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 50%, #3B82F610 0%, transparent 60%),
    var(--bg);
  overflow: hidden;
}
.hero-inner {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-left { max-width: 560px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid #3B82F640;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.hero-badge .dot-pulse {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: 8px;
}
.hero-title .highlight { color: var(--accent); }
.hero-tagline {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--card2); transform: translateY(-1px); }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Hero Right — Phone Frames ─────────────────────────────────────────── */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}
.phones-container {
  position: relative;
  width: 280px;
  height: 520px;
}
.phone {
  position: absolute;
  width: 220px;
  height: 460px;
  background: var(--card2);
  border: 2px solid var(--border);
  border-radius: 36px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.phone-back {
  top: 30px;
  right: 0;
  border-color: var(--border);
  z-index: 1;
  opacity: 0.75;
}
.phone-front {
  top: 0;
  left: 0;
  border-color: #3B82F640;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px #3B82F620;
  z-index: 2;
}
.phone-notch {
  width: 72px;
  height: 22px;
  background: #0A0F1E;
  border-radius: 0 0 14px 14px;
  margin-top: 0;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.phone-notch::after {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  background: #1a2235;
  border-radius: 50%;
  top: 6px; left: 50%;
  transform: translateX(-50%);
}
.phone-screen {
  flex: 1;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.phone-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  position: relative;
  z-index: 1;
}
.phone-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(160deg, var(--card2) 0%, var(--bg2) 100%);
  z-index: 2;
  transition: opacity 0.3s ease;
}
.phone-placeholder-icon { font-size: 36px; }
.phone-placeholder-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0 16px;
}

/* ── Problem ───────────────────────────────────────────────────────────── */
#problema { background: var(--bg2); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 52px;
}
.problem-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.problem-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.problem-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.problem-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Features ──────────────────────────────────────────────────────────── */
#caracteristicas { background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 52px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.feature-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ── How it works ──────────────────────────────────────────────────────── */
#como-funciona { background: var(--bg2); }
.steps {
  display: flex;
  gap: 0;
  margin-top: 60px;
  position: relative;
  flex-wrap: wrap;
}
.steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(16.66% - 1px);
  right: calc(16.66% - 1px);
  height: 1px;
  background: var(--border);
}
.step {
  flex: 1;
  min-width: 200px;
  text-align: center;
  padding: 0 24px;
  position: relative;
}
.step-number {
  width: 64px; height: 64px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}
.step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.step p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Plans ─────────────────────────────────────────────────────────────── */
#planes { background: var(--bg); }
.plan-all-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin: 28px 0 40px;
}
.plan-all-features li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--muted);
}
.plan-all-features .check { color: var(--green); font-size: 13px; }

.plans-grid {
  display: flex;
  gap: 20px;
  margin-top: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.plan-card:hover { transform: translateY(-3px); }
.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, #111827 0%, #1a2d4a 100%);
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.plan-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.plan-price {
  font-size: 36px;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1;
}
.plan-price span { font-size: 16px; font-weight: 600; color: var(--muted); }
.plan-period { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.plan-quota {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}
.plan-quota strong { color: var(--text); }
.plan-cta {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* ── Download (under construction) ────────────────────────────────────── */
#descargar { background: var(--bg2); }
.under-construction {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 64px 32px;
  margin-top: 52px;
  text-align: center;
}
.under-construction .icon { font-size: 48px; }
.under-construction h3 { font-size: 20px; font-weight: 700; color: var(--text); }
.under-construction p { font-size: 14px; color: var(--muted); max-width: 400px; }

/* ── Contact ───────────────────────────────────────────────────────────── */
#contacto { background: var(--bg); }
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.contact-form-centered {
  max-width: 640px;
  margin: 40px auto 0;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success {
  display: none;
  background: #10B98115;
  border: 1px solid #10B98140;
  color: var(--green);
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 16px;
  text-align: center;
}
.form-error {
  display: none;
  background: #EF444415;
  border: 1px solid #EF444440;
  color: var(--red);
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 16px;
  text-align: center;
}
.cf-turnstile { margin: 16px 0 8px; }

/* ── Footer ────────────────────────────────────────────────────────────── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 40px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
}
.footer-logo .dot { color: var(--accent); }
.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.footer-links a {
  font-size: 13px;
  color: var(--muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }
.footer-copy {
  font-size: 13px;
  color: var(--muted);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
}
@media (max-width: 768px) {
  nav { padding: 0 4%; }
  .nav-links { display: none; }
  section { padding: 72px 4%; }
  .steps::before { display: none; }
  .step { padding: 0 12px; min-width: 100%; }
  .contact-inner { grid-template-columns: 1fr; }
  footer { flex-direction: column; align-items: flex-start; }
}