/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafafa;
  --bg-alt: #f5f6f8;
  --text: #1a1a1a;
  --text-light: #666;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --call-green: #16a34a;
  --call-green-hover: #15803d;
  --card-bg: #fff;
  --border: #e5e7eb;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
.header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
}

.logo span {
  color: var(--accent);
}

/* === Hero === */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* === Agents === */
.agents {
  padding: 60px 0;
}

.agents h2, .pricing h2, .contact h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.agent-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.agent-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.agent-avatar img {
  width: 85%;
  height: 85%;
  object-fit: contain;
}

.agent-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.agent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}

.agent-tag {
  font-size: 0.78rem;
  font-weight: 500;
  background: #e0e7ff;
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid #c7d2fe;
}

.agent-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn:active { transform: scale(0.97); }

.btn-call {
  background: var(--call-green);
  color: #fff;
  font-size: 1.1rem;
  padding: 14px 36px;
}

.btn-call:hover { background: var(--call-green-hover); }

.btn-call::before {
  content: '📞';
  font-size: 1.2rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  width: 100%;
  justify-content: center;
  padding: 16px;
}

.btn-primary:hover { background: var(--accent-hover); }

/* === Pricing === */
.pricing {
  padding: 60px 0;
  background: var(--bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-featured {
  border: 2px solid var(--accent);
  transform: scale(1.02);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.price-tier {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.price-main {
  margin-bottom: 4px;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
}

.price-period {
  font-size: 1.2rem;
  color: var(--text-light);
  font-weight: 500;
}

.price-detail {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 28px;
}

.price-features {
  list-style: none;
  text-align: left;
  flex-grow: 1;
}

.price-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.price-features li:last-child { border-bottom: none; }

.price-features li::before {
  content: '\2713 ';
  color: var(--call-green);
  font-weight: 700;
}

.btn-pricing {
  margin-top: 24px;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 0.95rem;
}

.btn-pricing:hover {
  background: var(--accent);
  color: #fff;
}

.btn-pricing-featured {
  background: var(--accent);
  color: #fff;
}

.btn-pricing-featured:hover {
  background: var(--accent-hover);
}

/* === Contact === */
.contact {
  padding: 60px 0;
}

.contact-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--card-bg);
  transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field-error {
  border-color: #dc2626 !important;
}

.field-error-msg {
  color: #dc2626;
  font-size: 0.8rem;
  margin-top: 2px;
  margin-bottom: 4px;
}

.form-status {
  text-align: center;
  font-size: 0.9rem;
  min-height: 1.4em;
}

.form-status.success { color: var(--call-green); }
.form-status.error { color: #dc2626; }

/* === Mission === */
.mission {
  padding: 60px 0;
  background: var(--bg-alt);
}

.mission h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.mission p {
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-light);
}

/* === FAQ === */
.faq {
  padding: 60px 0;
}

.faq h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--accent);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-light);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: '\2212';
  color: var(--accent);
}

.faq-item p {
  padding: 0 24px 20px;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-light);
}

/* === Footer === */
.footer {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-light);
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--text-light);
  text-decoration: none;
}

.footer a:hover { color: var(--accent); }

/* === Personalized Luna === */
.agent-card-highlighted {
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12), 0 8px 32px rgba(37, 99, 235, 0.15);
  position: relative;
  transform: scale(1.03);
}

.agent-card-center {
  order: 0;
}

.agent-personalized-banner {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.banner-icon {
  font-size: 1rem;
}

.agent-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.btn-call-luna {
  font-size: 1.15rem;
  padding: 16px 40px;
  background: linear-gradient(135deg, #16a34a, #059669);
  border: none;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  border-radius: 50px;
}

.btn-call-luna::before {
  content: none;
}

.btn-call-connecting {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  animation: pulse-btn 1.5s ease-in-out infinite;
}

.btn-call-active {
  background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
}

@keyframes pulse-btn {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

/* Hero personalized banner */
.hero-personalized {
  margin-bottom: 24px;
}

.hero-personalized-badge {
  display: inline-block;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-personalized-text {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === Hover only on pointer devices === */
@media (hover: hover) {
  .agent-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  }

  .pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  }

  .pricing-featured:hover {
    transform: scale(1.02) translateY(-4px);
  }
}

/* === Mobile === */
@media (max-width: 600px) {
  .hero { padding: 48px 0 36px; }
  .agents, .pricing, .contact, .mission, .faq { padding: 40px 0; }
  .agents-grid { grid-template-columns: 1fr; }
  .agent-card { padding: 24px 20px; }
  .agent-avatar { width: 100px; height: 100px; }
  .pricing-grid { grid-template-columns: 1fr; gap: 20px; }
  .pricing-card { padding: 32px 24px; }
  .pricing-featured { transform: none; }
  .price-amount { font-size: 2.8rem; }
}