/* =========================================================
   ACADEMICOK — Stylesheet
   ========================================================= */

:root {
  --primary: #1B9EF5;
  --primary-dark: #0f7fd1;
  --secondary: #0f172a;
  --muted-bg: #f4f6f9;
  --border: #e2e8f0;
  --text: #1a2233;
  --text-muted: #5b6472;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12);
  --container-w: 1200px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.5;
}

h1, h2, h3, h4 { line-height: 1.15; margin: 0; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: #f1f5f9; color: var(--secondary); }
.btn-secondary:hover { background: #e2e8f0; }

.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: var(--muted-bg); }

.btn-outline-dark { background: transparent; border-color: rgba(255,255,255,0.35); color: #fff; }
.btn-outline-dark:hover { background: rgba(255,255,255,0.1); }

.btn-gradient {
  background: linear-gradient(90deg, #22d3ee, #2dd4bf);
  color: #0b1120;
}
.btn-gradient:hover { filter: brightness(1.05); transform: translateY(-1px); }

/* -------------------- Header -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

.brand-name span {
  font-size: 1.3rem;
  font-weight: 700;
  color:rgb(10 25 47);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.nav-links a:not(.btn):hover { color: var(--primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* -------------------- Hero -------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0 4rem;
  background: linear-gradient(135deg, rgba(27,158,245,0.08), rgba(15,23,42,0.03) 60%, rgba(34,211,238,0.06));
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
}
.hero-glow-a { top: 5rem; right: 2rem; width: 18rem; height: 18rem; background: rgba(27,158,245,0.12); }
.hero-glow-b { bottom: 5rem; left: 2rem; width: 24rem; height: 24rem; background: rgba(15,23,42,0.06); }

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.7);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  max-width: 900px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--primary); }

.hero .lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 700px;
}

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

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  justify-content: center;
}
.hero-stat { display: flex; align-items: center; gap: 0.6rem; }
.hero-stat .num { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.hero-stat .label { font-size: 0.8rem; color: var(--text-muted); text-align: left; }
.divider { width: 1px; height: 3rem; background: var(--border); }

/* -------------------- AI Section -------------------- */
.ai-section {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  background: #020617;
  color: #fff;
}
.ai-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(6,182,212,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,0.15) 1px, transparent 1px);
  background-size: 50px 50px;
}
.ai-glow { position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.6; }
.ai-glow-a { top: 25%; left: 25%; width: 24rem; height: 24rem; background: rgba(34,211,238,0.35); }
.ai-glow-b { bottom: 25%; right: 25%; width: 20rem; height: 20rem; background: rgba(168,85,247,0.3); }
.ai-glow-c { top: 50%; right: 33%; width: 16rem; height: 16rem; background: rgba(45,212,191,0.25); }

.ai-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
}

.ai-badge {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(34,211,238,0.35);
  background: rgba(34,211,238,0.1);
  color: #7dd3fc;
  font-size: 0.85rem;
  font-weight: 600;
}

.ai-title { font-size: clamp(2.2rem, 5vw, 4.2rem); }
.ai-title-white { color: #f8fafc; }
.ai-title-gradient {
  background: linear-gradient(90deg, #22d3ee, #5eead4, #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ai-lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: #cbd5e1;
  max-width: 720px;
}
.ai-highlight { color: #22d3ee; font-weight: 600; }

.ai-pills { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.pill {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(30,41,59,0.6);
  border: 1px solid rgba(148,163,184,0.25);
  font-size: 0.85rem;
}

/* -------------------- Features -------------------- */
.features { padding: 5.5rem 0; background: var(--muted-bg); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 0.75rem; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }
.section-head.light p { color: rgba(255,255,255,0.85); }
.section-head.light h2 { color: #fff; }

.badge-pill {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.badge-pill-muted { background: var(--muted-bg); color: var(--text); border: 1px solid var(--border); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.feature-card:hover { box-shadow: var(--shadow-lg); border-color: rgba(27,158,245,0.4); }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(27,158,245,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.feature-card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* -------------------- Impact / Stats -------------------- */
.impact {
  padding: 5.5rem 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark) 60%, #0f172a);
  color: #fff;
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.impact-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  transition: background 0.15s ease;
}
.impact-card:hover { background: rgba(255,255,255,0.18); }
.impact-icon {
  width: 64px; height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
}
.impact-card .num { display: block; font-size: 2.8rem; font-weight: 800; margin-bottom: 0.25rem; }
.impact-card .title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.impact-card .sub { font-size: 0.85rem; color: rgba(255,255,255,0.8); }

/* -------------------- Partners -------------------- */
.partners { padding: 5.5rem 0; background: var(--white); }

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}
.partner-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.partner-card:hover { box-shadow: var(--shadow-lg); border-color: rgba(27,158,245,0.4); }
.partner-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: var(--muted-bg);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.partner-card h3 { font-size: 1.4rem; color: var(--primary); margin-bottom: 0.4rem; }
.partner-card .sub { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-bottom: 1rem; display: block; }
.partner-card p.desc { color: var(--text-muted); margin-bottom: 1.5rem; }
.partner-link { color: var(--primary); font-weight: 600; }
.partner-link:hover { text-decoration: underline; }

.partner-cta {
  text-align: center;
  padding: 2.5rem;
  border-radius: var(--radius);
  background: var(--muted-bg);
  border: 2px dashed var(--border);
}
.partner-cta h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.partner-cta p { color: var(--text-muted); max-width: 560px; margin: 0 auto 1.5rem; }

/* -------------------- CTA / Newsletter -------------------- */
.cta-section { padding: 5.5rem 0; background: var(--muted-bg); }
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 900px) { .cta-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(27,158,245,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.newsletter-card h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.newsletter-card p { color: var(--text-muted); margin-bottom: 1.5rem; }
.newsletter-form { display: flex; gap: 0.6rem; }
.newsletter-form input {
  flex: 1;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
}
.newsletter-form input:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.form-msg { margin-top: 0.75rem; font-size: 0.85rem; min-height: 1.1em; color: #16a34a; }
.form-msg.error { color: #dc2626; }

.cta-panel {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 2.5rem;
  border-radius: var(--radius);
}
.cta-panel h3 { font-size: 1.6rem; margin-bottom: 1rem; }
.cta-panel p { margin-bottom: 1.5rem; color: rgba(255,255,255,0.9); }
.check-list { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 2rem; }
.check-list li { font-size: 0.95rem; }

/* -------------------- Demo Section -------------------- */
.demo-section { padding: 5.5rem 0; background: var(--white); }
.demo-container { max-width: 720px; display: flex; flex-direction: column; gap: 1.5rem; }

.demo-banner {
  border-color: rgba(27,158,245,0.3);
  background: rgba(27,158,245,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.demo-banner-title { font-weight: 600; margin-bottom: 0.25rem; }
.demo-banner-sub { font-size: 0.85rem; color: var(--text-muted); }

.demo-form-head { text-align: center; margin-bottom: 1.5rem; }
.demo-form-head h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.demo-form-head p { color: var(--text-muted); }

.demo-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field input, .field select, .field textarea {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--white);
}
.field textarea { resize: vertical; }

.form-fineprint { font-size: 0.75rem; color: var(--text-muted); text-align: center; }

/* -------------------- Footer -------------------- */
.site-footer { background: var(--white); border-top: 1px solid var(--border); padding-top: 4rem; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-brand { font-size: 1.3rem; color: var(--primary); margin-bottom: 1rem; }
.footer-grid p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
.footer-grid h4 { font-size: 1rem; margin-bottom: 1rem; }
.footer-grid ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-grid a { color: var(--text-muted); font-size: 0.9rem; }
.footer-grid a:hover { color: var(--primary); }
.plain-list li { color: var(--text-muted); font-size: 0.9rem; }
.contact-list li { color: var(--text-muted); font-size: 0.9rem; display: flex; gap: 0.5rem; }

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--muted-bg);
  font-size: 0.9rem;
}
.social-links a:hover { background: var(--primary); color: #fff; }
}
  .social-links a[aria-label="Facebook"]:hover { background-color: #1877f2; }
  .social-links a[aria-label="Instagram"]:hover { background-color: #e4405f; }
  .social-links a[aria-label="X (Twitter)"]:hover { background-color: #000000; }
  .social-links a[aria-label="LinkedIn"]:hover { background-color: #0a66c2; }
  .social-links a[aria-label="YouTube"]:hover { background-color: #ff0000; }
.footer-bottom hr { border: none; border-top: 1px solid var(--border); margin: 0 0 1.5rem; }
.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a:hover { color: var(--primary); 
}



/* -------------------- Responsive -------------------- */
@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.5rem;
    gap: 1rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* -------------------- Iconos redes sociales -------------------- 
.fa-brands.fa-facebook-f {
  color: #1877F2;      /* Color azul de Facebook *
  font-size: 24px;      /* Tamaño del ícono *
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;   /* Círculo de fondo *
  background-color: #fff;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.fa-brands.fa-facebook-f:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}
/* -------------------- Iconos redes sociales -------------------- 


.fa,
.fa-brands,
.fa-classic,
.fa-regular,
.fa-sharp,
.fa-solid,
.fab,
.far,
.fas {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: var(--fa-display, inline-block);
  font-style: normal;
  font-variant: normal;
  line-height: 1;
  text-rendering: auto;
}

/* ===== Familias de fuente ===== 
.fa,
.fas {
  font-family: var(--fa-style-family, "Font Awesome 6 Free");
  font-weight: var(--fa-style, 900);
}

.fa-brands,
.fab {
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

/* ===== Tamaños ===== 
.fa-2xs { font-size: .625em; line-height: .1em; vertical-align: .225em; }
.fa-1x  { font-size: 1em; }
.fa-2x  { font-size: 2em; }
.fa-3x  { font-size: 3em; }
.fa-4x  { font-size: 4em; }

/* ===== Íconos de redes sociales ===== 
.fa-linkedin-in:before { content: "\f0e1"; }
.fa-linkedin:before { content: "\f08c"; }

.fa-instagram:before { content: "\f16d"; }
.fa-instagram-square:before,
.fa-square-instagram:before { content: "\e055"; }

.fa-facebook-f:before { content: "\f39e"; }
.fa-facebook-messenger:before { content: "\f39f"; }
.fa-facebook-square:before,
.fa-square-facebook:before { content: "\f082"; }
.fa-facebook:before { content: "\f09a"; }

@font-face {
  font-family: "Font Awesome 6 Brands";
  font-style: normal;
  font-weight: 400;
  src: url("../webfonts/fa-brands-400.woff2") format("woff2");
}

@font-face {
  font-family: "Font Awesome 6 Free";
  font-style: normal;
  font-weight: 900;
  src: url("../webfonts/fa-solid-900.woff2") format("woff2");
} 

*/