/* ============ Trocador — Global Styles ============ */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --accent: #f59e0b;
  --dark: #111827;
  --gray: #6b7280;
  --light: #f9fafb;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* ============ Header ============ */
header {
  background: var(--white);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 0.5px;
}

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

.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--dark);
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-accent {
  background: var(--accent);
  color: var(--dark);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ============ Hero ============ */
.hero {
  background: linear-gradient(135deg, #eef2ff 0%, #fdf7e9 100%);
  padding: 90px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.25;
  margin-bottom: 18px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}

.hero-badges div {
  background: var(--white);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
}

/* ============ Sections ============ */
section {
  padding: 72px 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--gray);
  max-width: 620px;
  margin: 0 auto 48px;
}

/* ============ Features / Curriculum ============ */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--light);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: 28px;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.card p {
  color: var(--gray);
  font-size: 0.95rem;
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

/* ============ Instructor ============ */
.instructor {
  background: var(--light);
}

.instructor-box {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.instructor-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 800;
  flex-shrink: 0;
}

.instructor-info {
  max-width: 560px;
}

.instructor-info h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.instructor-info .role {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 14px;
}

/* ============ Pricing ============ */
.pricing-card {
  max-width: 440px;
  margin: 0 auto;
  background: var(--white);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow);
}

.pricing-card .plan-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.price {
  font-size: 3.2rem;
  font-weight: 800;
  margin: 14px 0 4px;
}

.price small {
  font-size: 1rem;
  color: var(--gray);
  font-weight: 500;
}

.price-note {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin: 24px 0 32px;
}

.pricing-card ul li {
  padding: 8px 0;
  border-bottom: 1px dashed #e5e7eb;
  font-size: 0.95rem;
}

.pricing-card ul li::before {
  content: "✔ ";
  color: var(--primary);
  font-weight: 700;
  margin-right: 8px;
}

/* ============ FAQ ============ */
.faq-item {
  max-width: 760px;
  margin: 0 auto 14px;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 22px;
  font-weight: 600;
  cursor: pointer;
  background: var(--light);
}

.faq-item p {
  padding: 16px 22px;
  color: var(--gray);
}

/* ============ CTA banner ============ */
.cta-banner {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  border-radius: var(--radius);
  padding: 56px 32px;
}

.cta-banner h2 {
  font-size: 1.9rem;
  margin-bottom: 12px;
}

.cta-banner p {
  opacity: 0.9;
  margin-bottom: 28px;
}

/* ============ Page (inner pages) ============ */
.page-header {
  background: var(--light);
  text-align: center;
  padding: 56px 0;
}

.page-header h1 {
  font-size: 2.2rem;
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 56px 0;
}

.page-content h2 {
  margin: 32px 0 12px;
  font-size: 1.4rem;
}

.page-content p,
.page-content li {
  color: #374151;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 24px;
}

/* ============ Contact form ============ */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--light);
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid #e5e7eb;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.form-msg {
  margin-top: 16px;
  font-weight: 600;
  display: none;
}

.form-msg.success {
  display: block;
  color: #059669;
}

.form-msg.error {
  display: block;
  color: #dc2626;
}

.contact-details {
  text-align: center;
  margin-bottom: 40px;
  color: var(--gray);
}

/* ============ Footer ============ */
footer {
  background: var(--dark);
  color: #d1d5db;
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: var(--white);
  margin-bottom: 14px;
}

.footer-grid ul {
  list-style: none;
}

.footer-grid ul li {
  margin-bottom: 8px;
}

.footer-grid a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.92rem;
}

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

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #9ca3af;
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 5%;
    border-bottom: 1px solid #e5e7eb;
    gap: 14px;
  }

  .nav-links.open {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }
}