/* ============================
   Variables & Reset
============================ */
:root {
  --color-primary: #6E2C90;
  --color-primary-dark: #531f6e;
  --color-primary-light: #9b5cc2;
  --color-accent: #f2b705;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f5fa;
  --color-text: #241a2e;
  --color-text-muted: #6b6273;
  --color-border: #e7e1ee;

  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;

  --container-width: 1140px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(110, 44, 144, 0.12);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* ============================
   Buttons
============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================
   Header
============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand-logo {
  height: 52px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 22px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================
   Hero
============================ */
.hero {
  padding-top: 72px;
  padding-bottom: 72px;
  background: radial-gradient(circle at top right, #f4e9fb 0%, var(--color-bg) 55%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(110, 44, 144, 0.08);
  border: 1px solid rgba(110, 44, 144, 0.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.text-accent {
  color: var(--color-primary);
}

.hero-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary);
}

.hero-stats span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-badge {
  background: #fff;
  border-radius: 50%;
  padding: 32px;
  box-shadow: var(--shadow);
  width: min(360px, 80vw);
  height: min(360px, 80vw);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.hero-badge img {
  width: 55%;
  height: auto;
}

.hero-badge-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ============================
   Section heading
============================ */
.section-heading {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 14px 0 16px;
}

.section-heading p {
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

/* ============================
   About / Features
============================ */
.about {
  background: var(--color-bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.feature-card p + p {
  margin-top: 12px;
}

.feature-list {
  text-align: left;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.feature-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ============================
   Courses
============================ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.course-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.course-card .course-tag {
  align-self: flex-start;
}

.course-card .course-link {
  align-self: flex-start;
  margin-top: auto;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.course-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.course-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.course-card p {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.course-link {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.92rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

/* ============================
   Modal de detalle de curso
============================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(36, 26, 46, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow);
  transform: translateY(16px);
  transition: transform var(--transition);
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}

.modal-close:hover {
  background: var(--color-border);
}

.modal-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.modal #modalTitle {
  font-size: 1.3rem;
  margin-bottom: 10px;
  padding-right: 24px;
}

.modal-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.modal-includes {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 14px;
}

.modal-checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.modal-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.modal-checklist li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.modal-cta {
  width: 100%;
}

/* ============================
   Testimonials
============================ */
.testimonials {
  background: var(--color-bg-alt);
}

.testimonials-cta {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.testimonials-highlight {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 24px;
}

/* ============================
   Contact
============================ */
.contact-inner .section-heading {
  margin-bottom: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-row {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.88rem;
  font-weight: 600;
}

.form-row input,
.form-row select,
.form-row textarea {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: #d9534f;
}

.form-error {
  font-size: 0.8rem;
  color: #d9534f;
  min-height: 1em;
}

.form-submit {
  width: 100%;
  margin-top: 4px;
}

.form-success {
  margin-top: 16px;
  text-align: center;
  font-weight: 600;
  color: var(--color-primary);
  min-height: 1.2em;
}

.contact-info .info-card {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px;
}

.info-card h3 {
  color: #fff;
  margin-bottom: 20px;
}

.info-card ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.info-label {
  display: block;
  font-size: 0.78rem;
  opacity: 0.75;
  margin-bottom: 2px;
}

.payment-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}

.payment-list li {
  position: relative;
  padding-left: 16px;
  font-weight: 600;
}

.payment-list li::before {
  content: "•";
  position: absolute;
  left: 0;
}

.info-card a {
  font-weight: 600;
}

.social-links {
  display: flex;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.social-links a {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ============================
   Footer
============================ */
.site-footer {
  background: var(--color-text);
  color: #fff;
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  height: 40px;
  border-radius: 50%;
}

.footer-inner p {
  font-size: 0.85rem;
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.footer-links a:hover {
  opacity: 1;
}

/* ============================
   WhatsApp float button
============================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  z-index: 200;
  transition: transform var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* ============================
   Responsive
============================ */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .hero-stats {
    justify-content: center;
  }

  .hero-media {
    order: -1;
  }

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

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

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  section {
    padding: 64px 0;
  }

  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-list {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .nav-cta {
    width: 100%;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .features-grid,
  .courses-grid {
    grid-template-columns: 1fr;
  }

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