:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-deep: #0f2f80;
  --sky: #0ea5e9;
  --ink: #0f172a;
  --muted: #52627a;
  --line: #dbe5f2;
  --soft: #f3f7ff;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; }
.site-header {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 16px auto 0;
  padding: 10px 12px 10px 14px;
  border: 1px solid rgba(219, 229, 242, .9);
  border-radius: 18px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 12px 40px rgba(15, 23, 42, .08);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; gap: 10px; align-items: center; color: var(--ink); font-size: 1.2rem; font-weight: 800; text-decoration: none; }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
.brand strong { color: var(--blue); }
.brand-compact { font-size: 1rem; }
.brand-compact img { width: 34px; height: 34px; border-radius: 9px; }
nav { display: flex; gap: 6px; align-items: center; }
nav a { padding: 10px 14px; color: #334155; font-size: .92rem; font-weight: 700; text-decoration: none; }
nav a:hover { color: var(--blue); }
nav .nav-cta { margin-left: 4px; padding-inline: 18px; border-radius: 12px; color: white; background: var(--blue); }
nav .nav-cta:hover { color: white; background: var(--blue-dark); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 70px;
  align-items: center;
  width: min(1160px, calc(100% - 40px));
  min-height: 690px;
  margin: 0 auto;
  padding: 90px 0 80px;
}
.hero::before { content: ""; position: absolute; top: -100px; left: -160px; z-index: -1; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(14,165,233,.12), transparent 68%); }
.eyebrow { margin: 0 0 16px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.06; letter-spacing: -.04em; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(3.3rem, 6vw, 5.8rem); font-weight: 800; }
.hero-text { max-width: 680px; margin: 0; color: var(--muted); font-size: 1.18rem; line-height: 1.72; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; gap: 9px; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 13px; font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, var(--blue), var(--sky)); box-shadow: 0 14px 30px rgba(37,99,235,.25); }
.button-secondary { color: var(--blue-deep); background: var(--soft); }
.trust-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 32px 0 0; padding: 0; list-style: none; }
.trust-list li { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: #506078; background: white; font-size: .78rem; font-weight: 800; }
.hero-visual { position: relative; min-height: 520px; border-radius: 40px; background: linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.02)), linear-gradient(145deg, var(--blue-deep), var(--blue) 58%, var(--sky)); box-shadow: 0 24px 70px rgba(37,99,235,.18); overflow: hidden; }
.hero-visual::before { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(255,255,255,.24); border-radius: 29px; }
.visual-orb { position: absolute; border-radius: 50%; background: rgba(255,255,255,.15); }
.orb-one { top: 28px; right: 30px; width: 150px; height: 150px; }
.orb-two { bottom: -80px; left: -50px; width: 230px; height: 230px; }
.visual-card { position: absolute; z-index: 2; top: 108px; left: 11%; width: 78%; padding: 34px; border: 1px solid rgba(255,255,255,.3); border-radius: 28px; color: white; background: rgba(255,255,255,.14); box-shadow: 0 24px 60px rgba(15,47,128,.22); backdrop-filter: blur(16px); }
.visual-card span { display: block; margin-bottom: 22px; color: #dff6ff; font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.visual-card strong { font-size: clamp(2rem, 3.2vw, 3.1rem); line-height: 1.06; letter-spacing: -.04em; }
.visual-pill { position: absolute; z-index: 3; padding: 12px 16px; border-radius: 999px; color: var(--blue-deep); background: rgba(255,255,255,.94); font-size: .8rem; font-weight: 800; }
.pill-one { right: 7%; bottom: 58px; }
.pill-two { left: 7%; bottom: 24px; }

.value-strip { width: min(1160px, calc(100% - 40px)); margin: 0 auto 120px; padding: 54px 58px; border: 1px solid #d9e6fb; border-radius: 28px; background: linear-gradient(120deg, #f4f8ff, #eef9ff); }
.value-lead { margin: 0 0 9px; color: var(--blue); font-weight: 800; }
.value-strip h2 { max-width: 890px; margin-bottom: 16px; font-size: clamp(2.2rem, 4vw, 3.8rem); }
.value-strip > p:not(.value-lead) { max-width: 820px; margin: 0 0 12px; color: var(--muted); font-size: 1.05rem; }
.value-strip > p:last-child { margin-bottom: 0; }
.notes-link { color: var(--blue); font-weight: 800; text-decoration: none; }
.notes-link:hover { text-decoration: underline; }
.courses-section { width: min(1160px, calc(100% - 40px)); margin: 0 auto; padding-bottom: 130px; }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading h2 { margin-bottom: 18px; font-size: clamp(2.5rem, 5vw, 4.3rem); }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 1.08rem; }
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.course-card { display: grid; grid-template-columns: 58px 1fr; gap: 18px; min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: white; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.course-card:hover { transform: translateY(-4px); border-color: #9bbcfb; box-shadow: 0 24px 55px rgba(37,99,235,.11); }
.course-number { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--blue); background: var(--soft); font-weight: 800; }
.audience { margin: 2px 0 10px; color: var(--blue); font-size: .73rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.course-card h3 { margin-bottom: 13px; font-size: 1.65rem; }
.course-card div > p:last-of-type { margin: 0; color: var(--muted); font-size: .95rem; }
.course-cta { display: inline-flex; gap: 7px; align-items: center; margin-top: 16px; color: var(--blue); font-size: .88rem; font-weight: 800; text-decoration: none; }
.course-cta:hover { text-decoration: underline; }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; width: min(1160px, calc(100% - 40px)); margin: -14px auto 96px; }
.proof-item { padding: 22px 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.proof-item strong { display: block; margin-bottom: 3px; color: var(--blue-deep); font-size: 1.12rem; letter-spacing: -.02em; }
.proof-item span { color: var(--muted); font-size: .88rem; }

.steps-section { width: min(1160px, calc(100% - 40px)); margin: 0 auto; padding-bottom: 110px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0; padding: 0; list-style: none; }
.steps-grid li { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: white; }
.steps-grid li span { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 50%; color: white; background: linear-gradient(135deg, var(--blue), var(--sky)); font-weight: 800; }
.steps-grid h3 { margin-bottom: 10px; font-size: 1.25rem; }
.steps-grid p { margin: 0; color: var(--muted); font-size: .93rem; }


.faq-section { width: min(960px, calc(100% - 40px)); margin: 0 auto; padding: 0 0 120px; }
.faq-section .section-heading { margin-bottom: 34px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--line); border-radius: 18px; background: white; overflow: hidden; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 24px; color: var(--ink); font-size: 1.03rem; font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { display: grid; place-items: center; flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%; color: var(--blue); background: var(--soft); font-size: 1.15rem; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details > p { max-width: 790px; margin: 0; padding: 0 24px 24px; color: var(--muted); }

.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; width: min(1160px, calc(100% - 40px)); margin: 0 auto 34px; padding: 66px; border-radius: 34px; color: white; background: linear-gradient(135deg, var(--blue-deep), var(--blue) 62%, var(--sky)); box-shadow: 0 28px 70px rgba(37,99,235,.2); }
.eyebrow-light { color: #bcecff; }
.contact-copy h2 { margin-bottom: 18px; font-size: clamp(2.6rem, 5vw, 4.6rem); }
.contact-copy > p:last-child { max-width: 580px; margin: 0; color: #dbeafe; font-size: 1.05rem; }
.contact-links { display: grid; gap: 10px; align-content: center; }
.contact-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.22); border-radius: 16px; color: white; background: rgba(255,255,255,.1); text-decoration: none; transition: background .2s ease, transform .2s ease; }
.contact-links a:hover { transform: translateX(3px); background: rgba(255,255,255,.18); }
.contact-links span { color: #cbeafe; font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.contact-links strong { text-align: right; font-size: .98rem; }
.contact-links .contact-whatsapp { border-color: #25d366; color: white; background: #1fb958; box-shadow: 0 12px 28px rgba(5, 70, 32, .22); }
.contact-links .contact-whatsapp:hover { background: #179b49; }
.contact-links .contact-whatsapp span { color: #eafff1; }
.contact-links .contact-whatsapp b { margin-left: 6px; font-size: 1.05rem; }
.lead-form { grid-column: 1 / -1; margin-top: 6px; padding: 26px; border: 1px solid rgba(255,255,255,.24); border-radius: 20px; background: rgba(255,255,255,.1); }
.lead-form-title { margin: 0 0 18px; color: #dbeafe; font-weight: 800; }
.lead-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lead-fields label { display: grid; gap: 7px; color: #cbeafe; font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.lead-fields input { min-height: 46px; padding: 0 14px; border: 1px solid rgba(255,255,255,.35); border-radius: 12px; color: var(--ink); background: rgba(255,255,255,.95); font-size: .95rem; font-family: inherit; }
.lead-submit { margin-top: 18px; border: 0; cursor: pointer; font-size: .95rem; font-family: inherit; }
.lead-success { margin: 0 0 16px; padding: 12px 16px; border-radius: 12px; color: #065f46; background: #d1fae5; font-weight: 700; }
.lead-success[hidden] { display: none; }

footer { display: flex; align-items: center; justify-content: space-between; width: min(1160px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 40px; color: #718096; font-size: .8rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 38px; padding-top: 70px; }
  .hero-visual { min-height: 460px; }
  .value-strip { margin-top: 20px; }
  .contact-section { grid-template-columns: 1fr; gap: 38px; padding: 48px; }
  .proof-strip { grid-template-columns: 1fr; gap: 12px; }
  .steps-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .site-header { top: 8px; width: calc(100% - 24px); margin-top: 10px; }
  nav a:not(.nav-cta) { display: none; }
  .brand { font-size: 1.05rem; }
  .brand img { width: 40px; height: 40px; }
  .hero, .value-strip, .courses-section, .faq-section, .contact-section, footer { width: calc(100% - 28px); }
  .hero { min-height: 0; padding: 64px 0 58px; }
  h1 { font-size: clamp(3rem, 15vw, 4.5rem); }
  .hero-text { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-visual { min-height: 390px; border-radius: 28px; }
  .visual-card { top: 78px; padding: 25px; }
  .visual-card strong { font-size: 2.25rem; }
  .value-strip { margin-bottom: 90px; padding: 34px 26px; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { grid-template-columns: 1fr; min-height: 0; padding: 26px; }
  .proof-strip { grid-template-columns: 1fr; margin-bottom: 70px; }
  .steps-grid { grid-template-columns: 1fr; }
  .lead-fields { grid-template-columns: 1fr; }
  .steps-section { width: calc(100% - 28px); }
  .contact-section { margin-bottom: 20px; padding: 36px 24px; border-radius: 26px; }
  .contact-links a { align-items: flex-start; flex-direction: column; gap: 3px; }
  .contact-links strong { text-align: left; }
  footer { align-items: flex-start; flex-direction: column; gap: 14px; }
  footer p { margin: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}