:root {
  --color-primary: #2E6DA4;
  --color-accent-blue: #2563EB;
  --color-sky: #C9DFF2;
  --color-text: #222;
  --color-text-dark: #22303D;
  --color-text-muted: #5B6B78;
  --color-white: #fff;
  --color-border: #E2E5E9;

  /* Paleta alianzas: azul pastel claro */
  --color-al-dark: #3B6EA5;
  --color-al: #6FA8DC;
  --color-al-light: #A9CBEB;
  --color-al-pale: #EAF3FB;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: #FCFCFE;
  color: var(--color-text);
  overflow-x: hidden;
}

a { color: var(--color-al); text-decoration: none; }

/* ---------- Header ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 6%;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text-dark);
}

.logo-img { width: 36px; height: 36px; border-radius: 9px; object-fit: cover; }

.logo-fallback {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-al), var(--color-al-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(76, 63, 168, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(76, 63, 168, 0.38); }

.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-sky); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.al-hero {
  position: relative;
  padding: 100px 6% 90px;
  background: url("../imagenes/alianzas/alianzas.jpg") center / cover no-repeat;
  text-align: center;
  overflow: hidden;
}

.al-hero h1,
.al-hero p {
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7), 0 1px 3px rgba(0, 0, 0, 0.9);
}

.al-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 70%);
}

.al-hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.al-eyebrow {
  display: inline-block;
  background: rgba(20, 30, 48, 0.55);
  backdrop-filter: blur(4px);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.al-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.28;
  margin-bottom: 18px;
}

.al-hero p {
  color: rgba(255, 255, 255, 0.96);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

.al-hero-cta {
  display: flex;
  justify-content: center;
}

/* ---------- Partners strip ---------- */
.al-partners-strip {
  background: #fff;
  padding: 34px 6%;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.al-partners-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.al-partners-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.al-partner-chip {
  background: var(--color-al-pale);
  color: var(--color-al-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
}

.al-partners-note {
  font-size: 0.75rem;
  color: #B7791F;
}

/* ---------- Sections ---------- */
.al-section {
  max-width: 1150px;
  margin: 0 auto;
  padding: 70px 6%;
}

.al-section-alt {
  max-width: none;
  background: var(--color-al-pale);
  padding: 70px 6%;
}

.al-section-alt > * { max-width: 1150px; margin-left: auto; margin-right: auto; }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
}

.section-eyebrow {
  display: inline-block;
  color: var(--color-al);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  font-weight: 800;
  color: var(--color-text-dark);
  line-height: 1.3;
}

/* ---------- Partner types ---------- */
.partner-types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.partner-type-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.partner-type-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(43, 37, 96, 0.12);
}

.partner-type-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--color-al-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.partner-type-card h4 {
  font-size: 1.02rem;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  font-weight: 700;
}

.partner-type-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---------- Benefits ---------- */
.benefits-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.benefit-item {
  background: #fff;
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(43, 37, 96, 0.06);
}

.benefit-number {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-al);
  margin-bottom: 10px;
}

.benefit-item p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ---------- Steps ---------- */
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-item {
  text-align: center;
  padding: 0 8px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-al), var(--color-al-dark));
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 16px;
}

.step-item h4 {
  font-size: 0.98rem;
  color: var(--color-text-dark);
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- Testimonial ---------- */
.al-testimonial {
  background: var(--color-al-dark);
  padding: 60px 6%;
}

.al-testimonial-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.al-testimonial-inner p {
  color: #fff;
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 22px;
}

.al-testimonial-author strong {
  display: block;
  color: #fff;
  font-size: 0.92rem;
}

.al-testimonial-author span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
}

/* ---------- Form section ---------- */
.al-form-section {
  padding: 80px 6%;
  background: #fff;
}

.al-form-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: start;
}

.al-form-intro h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-text-dark);
  margin: 8px 0 16px;
  line-height: 1.3;
}

.al-form-intro p {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.al-form-contact {
  background: var(--color-al-pale);
  border-radius: 14px;
  padding: 18px 20px;
}

.al-form-contact span {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.al-form-contact a {
  font-weight: 700;
  color: var(--color-al-dark);
  font-size: 0.95rem;
}

.al-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 12px 30px rgba(43, 37, 96, 0.08);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.al-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.al-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.al-form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.al-form-field input,
.al-form-field select,
.al-form-field textarea {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.15s ease;
  resize: vertical;
}

.al-form-field input:focus,
.al-form-field select:focus,
.al-form-field textarea:focus {
  border-color: var(--color-al);
}

.al-form-submit {
  align-self: flex-start;
  margin-top: 6px;
}

.al-form-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-al-dark);
  min-height: 1.2em;
}

.al-form-status.is-error {
  color: #DC2626;
}

/* ---------- Footer ---------- */
.al-footer {
  text-align: center;
  padding: 30px 6%;
  background: var(--color-al-dark);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
}

.al-footer-links {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.al-footer-links a { color: rgba(255, 255, 255, 0.75); }
.al-footer-links a:hover { color: #fff; text-decoration: underline; }
.al-footer-links span { color: rgba(255, 255, 255, 0.3); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .partner-types-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-row { grid-template-columns: repeat(2, 1fr); }
  .steps-row { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .al-form-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .navbar { padding: 12px 5%; }
  .al-hero { padding: 70px 6% 60px; }
  .partner-types-grid { grid-template-columns: 1fr; }
  .benefits-row { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: 1fr; }
  .al-form-row { grid-template-columns: 1fr; }
  .al-form { padding: 24px 20px; }
}

/* ---------- Celulares pequeños (≤ 480px) ---------- */
@media (max-width: 480px) {
  .navbar {
    padding: 10px 4%;
    gap: 10px;
  }
  .nav-brand {
    font-size: 1rem;
    gap: 8px;
  }
  .logo-img,
  .logo-fallback {
    width: 30px;
    height: 30px;
  }
  .navbar .btn {
    padding: 9px 14px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .al-hero {
    padding: 56px 6% 48px;
  }
  .al-eyebrow {
    font-size: 0.72rem;
    padding: 6px 14px;
  }
  .al-hero p {
    font-size: 0.95rem;
  }
  .al-hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .al-partners-strip {
    padding: 26px 5%;
  }
  .al-partner-chip {
    font-size: 0.78rem;
    padding: 7px 13px;
  }

  .al-section,
  .al-section-alt {
    padding: 50px 5%;
  }
  .section-head {
    margin-bottom: 32px;
  }

  .partner-type-card {
    padding: 22px 18px;
  }

  .benefit-item {
    padding: 22px 16px;
  }
  .benefit-number {
    font-size: 1.6rem;
  }

  .al-testimonial {
    padding: 44px 6%;
  }
  .al-testimonial-inner p {
    font-size: 1.02rem;
  }

  .al-form-section {
    padding: 56px 5%;
  }
  .al-form {
    padding: 20px 16px;
    border-radius: 16px;
  }
  .al-form-contact {
    padding: 14px 16px;
  }
  .al-form-submit {
    width: 100%;
    justify-content: center;
  }

  .al-footer-links {
    gap: 6px 10px;
  }
}

/* ---------- Pantallas grandes de escritorio y TV (≥ 1600px) ---------- */
@media (min-width: 1600px) {
  .al-section,
  .al-section-alt > *,
  .al-form-wrapper,
  .al-testimonial-inner {
    max-width: 1320px;
  }

  .navbar {
    padding: 18px 4%;
  }
  .nav-brand {
    font-size: 1.3rem;
  }

  .al-hero {
    padding: 130px 6% 110px;
  }

  .al-partner-chip {
    font-size: 0.92rem;
    padding: 9px 18px;
  }

  .partner-type-card h4 {
    font-size: 1.12rem;
  }
  .partner-type-card p,
  .benefit-item p,
  .step-item p {
    font-size: 0.95rem;
  }

  .benefit-number {
    font-size: 2.2rem;
  }
}

/* ---------- Pantallas muy grandes: TV 4K y ultrawide (≥ 2200px) ---------- */
@media (min-width: 2200px) {
  html {
    font-size: 19px;
  }
  .al-section,
  .al-section-alt > *,
  .al-form-wrapper,
  .al-testimonial-inner {
    max-width: 1560px;
  }
}

/* ---------- Dispositivos táctiles: objetivos de toque más grandes ---------- */
@media (hover: none) and (pointer: coarse) {
  .btn,
  .al-footer-links a {
    min-height: 40px;
  }
}