/* ================================================
   FinanzasPE – Landing Page Styles
   Light theme financial SaaS for PyMEs in Peru
   ================================================ */

:root {
  --primary: #1d4ed8;
  --primary-light: #3b82f6;
  --primary-lighter: #dbeafe;
  --primary-lightest: #eff6ff;
  --success: #059669;
  --success-light: #d1fae5;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --bg: #ffffff;
  --bg-light: #f9fafb;
  --bg-lighter: #f3f4f6;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  font-size: 16px;
}

/* ─── Layout ─── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: #1e40af; border-color: #1e40af; transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-lightest); transform: translateY(-1px); }

.btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-white:hover { background: var(--primary-lightest); transform: translateY(-1px); }

.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; border-radius: var(--radius); }

.btn-full { width: 100%; justify-content: center; }

/* ─── Navbar ─── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled { box-shadow: var(--shadow); }

.navbar-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: 0.95rem;
}

.nav-links a:hover { color: var(--primary); background: var(--primary-lightest); }

.nav-cta { margin-left: 0.5rem; }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem 1.5rem;
}

.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.mobile-menu .mobile-link {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.mobile-menu .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, var(--primary-lightest) 0%, #fff 60%);
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--success-light);
  color: var(--success);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-text h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  flex-shrink: 0;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Carousel ─── */
.carousel-section { overflow: hidden; }

.carousel-container {
  position: relative;
  overflow: hidden;
  height: 420px;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.slide-1 { background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); }
.slide-2 { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.slide-3 { background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%); }
.slide-4 { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); }

.slide-content {
  text-align: center;
  max-width: 640px;
}

.slide-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.slide-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  z-index: 10;
}

.carousel-btn:hover { background: #fff; box-shadow: var(--shadow); }
.carousel-btn.prev { left: 1rem; }
.carousel-btn.next { right: 1rem; }

.carousel-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.dot.active { background: var(--primary); transform: scale(1.2); }

/* ─── Section Headers ─── */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── Services ─── */
.services {
  padding: 5rem 0;
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-lighter);
}

.service-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.service-features li {
  font-size: 0.88rem;
  color: var(--success);
  font-weight: 500;
}

/* ─── Testimonials ─── */
.testimonials {
  padding: 5rem 0;
  background: #fff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--primary-lightest);
  border: 1px solid var(--primary-lighter);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.author-info { display: flex; flex-direction: column; gap: 0.1rem; }
.author-info strong { font-size: 0.92rem; color: var(--text-primary); }
.author-info span { font-size: 0.8rem; color: var(--text-muted); }

/* ─── FAQ ─── */
.faq {
  padding: 5rem 0;
  background: var(--bg-light);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item:has(.faq-question[aria-expanded="true"]) { box-shadow: var(--shadow); border-color: var(--primary-lighter); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--primary-lightest); }

.faq-icon {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}

.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  padding: 0 1.5rem;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* ─── Contact ─── */
.contact {
  padding: 5rem 0;
  background: #fff;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.contact-icon { font-size: 1.1rem; flex-shrink: 0; }

.contact-form-wrapper {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  color: var(--text-primary);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #dc2626;
}

.field-error {
  font-size: 0.8rem;
  color: #dc2626;
  min-height: 1rem;
}

.form-success, .form-error {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid #a7f3d0;
}

.form-error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

/* ─── Footer ─── */
.footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 1rem 0 1.25rem;
  max-width: 280px;
}

.footer-logo { margin-bottom: 0.5rem; }

.social-links {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  width: 36px;
  height: 36px;
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
}

.social-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    width: 100%;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links, .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero { padding: 3.5rem 0 3rem; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .carousel-container { height: 340px; }

  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form-wrapper { padding: 1.75rem; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-bottom { flex-direction: column; text-align: center; }

  .carousel-btn.prev { left: 0.5rem; }
  .carousel-btn.next { right: 0.5rem; }
}