/* =============================================
   K9 SkullDog — Landing Page CSS
   ============================================= */

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all .3s;
}
.navbar.scrolled {
  background: rgba(26,26,46,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  color: var(--text);
}
.brand-icon { font-size: 28px; }
.brand-name strong { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; gap: 12px; margin-left: auto; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 24px; cursor: pointer; }

@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--secondary); flex-direction: column; padding: 20px 24px; gap: 16px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-actions .btn-secondary { display: none; }
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(233,69,96,.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(15,52,96,.4) 0%, transparent 60%);
}
.hero-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(233,69,96,.1);
  border: 1px solid rgba(233,69,96,.3);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat-num { display: block; font-size: 32px; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* SECTIONS */
.section { padding: 100px 0; }
.section-dark { background: var(--secondary); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-badge {
  display: inline-block;
  background: rgba(233,69,96,.1);
  border: 1px solid rgba(233,69,96,.2);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-header h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 16px; }
.section-header p { font-size: 17px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(233,69,96,.15);
}
.feature-icon { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* PLANS */
.plans-toggle {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
  margin: 0 auto 48px;
}
.toggle-btn {
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toggle-btn.active { background: var(--accent); color: #fff; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}
@media (max-width: 1100px) { .plans-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .plans-grid { grid-template-columns: 1fr; } }

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: all .3s;
}
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.plan-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(233,69,96,.05) 100%);
}
.plan-institucional { border-color: var(--gold); }
.plan-badge-top {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.plan-header { margin-bottom: 24px; }
.plan-header h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.plan-price { font-size: 28px; font-weight: 800; color: var(--accent); }
.plan-price small { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.plan-features { list-style: none; margin-bottom: 24px; }
.plan-features li { padding: 8px 0; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.05); }
.plan-features li:last-child { border-bottom: none; }

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-content h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 800; margin: 16px 0; }
.about-content p { color: var(--text-muted); line-height: 1.8; }
.about-stats { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
.about-stat { display: flex; align-items: center; gap: 16px; }
.about-stat span { font-size: 32px; }
.about-stat strong { display: block; font-size: 15px; }
.about-stat small { color: var(--text-muted); font-size: 13px; }
.about-img-placeholder {
  background: linear-gradient(135deg, var(--surface), var(--surface2));
  border: 2px solid var(--border);
  border-radius: 20px;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.about-img-placeholder span { font-size: 80px; }
.about-img-placeholder p { font-size: 22px; font-weight: 700; }
.about-img-placeholder small { color: var(--text-muted); }

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }
.contact-info h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; margin: 16px 0; }
.contact-info p { color: var(--text-muted); line-height: 1.8; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 16px; }
.contact-item span { font-size: 28px; }
.contact-item strong { display: block; font-size: 15px; }
.contact-item small { color: var(--text-muted); font-size: 13px; }

/* FOOTER */
.footer {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}