:root{
  --blue-deep:#123a6b;
  --blue:#1f6fd6;
  --teal:#08809e;
  --green:#3fa860;
  --green-light:#7ac74f;
  --gold:#d4af37;
  --ink:#122032;
  --ink-soft:#4a5a6b;
  --bg:#f7faf9;
  --bg-alt:#eef5f2;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 10px 30px rgba(18,32,50,.08);
  --shadow-strong:0 16px 40px rgba(18,32,50,.16);
  --maxw:1160px;
  --font-head:"Poppins",sans-serif;
  --font-body:"Inter",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;color:var(--blue-deep)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:760px}

/* Draft banner */
.draft-banner{
  background:var(--gold);
  color:#3a2c02;
  text-align:center;
  font-weight:600;
  font-size:.85rem;
  padding:8px 12px;
  letter-spacing:.02em;
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,250,249,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(18,32,50,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand-kicker{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);font-weight:600}
.brand-main{font-family:var(--font-head);font-weight:800;font-size:1.15rem;color:var(--blue-deep)}
.brand-main em{color:var(--green);font-style:normal}

.main-nav{display:flex;align-items:center;gap:26px}
.main-nav a{font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:color .2s}
.main-nav a:hover{color:var(--blue)}
.nav-cta{
  background:var(--green);color:#fff !important;
  padding:9px 18px;border-radius:999px;font-weight:600 !important;
}
.nav-cta:hover{background:var(--green-light);color:#fff}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:32px;background:none;border:none;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--blue-deep);border-radius:2px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  cursor:pointer;border:2px solid transparent;transition:transform .15s ease, box-shadow .15s ease, background .2s;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--green-light);box-shadow:var(--shadow-strong)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-block{width:100%}
.btn-whatsapp{background:#25D366;color:#fff;box-shadow:var(--shadow);scroll-margin-top:120px}
.btn-whatsapp:hover{background:#1ebd59;box-shadow:var(--shadow-strong)}
.btn-hero{padding:20px 44px;font-size:1.15rem;box-shadow:0 14px 34px rgba(63,168,96,.45)}

@keyframes pulseWhatsapp{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.7)}
  70%{box-shadow:0 0 0 22px rgba(37,211,102,0)}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}
}
.btn-whatsapp.pulse{animation:pulseWhatsapp 1.4s ease-out 2}

/* Hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(9,26,48,.35) 0%, rgba(9,26,48,.55) 55%, rgba(9,26,48,.9) 100%);
}
.hero-content{position:relative;color:#fff;padding:60px 24px 72px}
.eyebrow{
  display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);
  padding:6px 16px;border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:18px;backdrop-filter:blur(4px);
}
.hero h1{font-size:clamp(2.1rem,5.5vw,3.6rem);color:#fff;font-weight:800;margin-bottom:14px}
.hero h1 .accent{color:var(--green-light)}
.hero-lema{font-size:1.15rem;font-style:italic;color:#e7f0ff;max-width:640px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-fact{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);
  padding:10px 18px;border-radius:12px;font-size:.9rem;backdrop-filter:blur(4px);
}
.hero-fact strong{color:var(--green-light)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}

/* Sections */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-tag{
  display:inline-block;color:var(--teal);font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;font-size:.78rem;margin-bottom:10px;
}
.section h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:22px}
.lead{font-size:1.08rem;color:var(--ink-soft);max-width:760px;margin-bottom:20px}

.checklist li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--ink-soft)}
.checklist li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:var(--green);font-weight:800;
}

.objetivos{margin:36px 0}
.objetivos h3{font-size:1.15rem;margin-bottom:16px}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.stat-card{
  background:var(--white);border-radius:var(--radius);padding:28px 22px;
  box-shadow:var(--shadow);text-align:center;
}
.stat-number{display:block;font-family:var(--font-head);font-size:2.2rem;font-weight:800;color:var(--green);margin-bottom:8px}
.stat-label{font-size:.88rem;color:var(--ink-soft)}

/* Apoyo institucional */
.apoyo{
  position:relative;
  background:linear-gradient(135deg, var(--teal) 0%, #0a5f77 100%);
  padding:88px 0;
  overflow:hidden;
}
.apoyo::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 15% 20%, rgba(255,255,255,.12) 0%, transparent 45%),
             radial-gradient(circle at 85% 80%, rgba(255,255,255,.1) 0%, transparent 45%);
}
.apoyo-inner{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:26px;
  text-align:center;padding:0 24px;max-width:760px;margin:0 auto;
}
.apoyo-eyebrow{
  color:rgba(255,255,255,.75);font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;font-size:.8rem;
}
.apoyo-logo-wrap{
  background:#fff;border-radius:24px;padding:22px 32px;box-shadow:var(--shadow-strong);
}
.apoyo-logo{max-width:340px;width:100%;margin:0 auto}
.apoyo-text{
  max-width:600px;color:#fff;font-size:1.2rem;line-height:1.65;margin:0 auto;
}
.apoyo-text strong{color:var(--green-light)}

/* Activities */
.activities{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.activity-card{
  background:var(--white);border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow);
}
.activity-icon{font-size:1.8rem;display:block;margin-bottom:12px}
.activity-card h3{font-size:1.05rem;margin-bottom:8px}
.activity-card p{font-size:.9rem;color:var(--ink-soft)}
.center-cta{text-align:center;margin-top:40px}

/* Beneficios */
.beneficios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.beneficio-card{background:var(--white);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow)}
.beneficio-card.featured{background:var(--blue-deep);box-shadow:var(--shadow-strong)}
.beneficio-card.featured h3{color:#fff}
.beneficio-card.featured .checklist li{color:rgba(255,255,255,.85)}
.beneficio-card.featured .checklist li::before{color:var(--green-light)}
.beneficio-card h3{margin-bottom:16px;font-size:1.15rem}

/* Stands */
.stand-info{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:30px}
.stand-info-col{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.stand-info-col h3{font-size:1.05rem;margin-bottom:16px}

/* Packages */
.packages-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:36px;
  align-items:stretch;max-width:920px;margin-left:auto;margin-right:auto;
}
.package-card{
  position:relative;background:var(--white);border-radius:20px;display:flex;flex-direction:column;
  padding:36px 32px;box-shadow:var(--shadow);border:2px solid transparent;
}
.package-card.package-featured{
  border-color:var(--green-light);box-shadow:var(--shadow-strong);
  background:linear-gradient(180deg, #fff 0%, #f3fbf1 100%);
}
.package-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--green);color:#fff;font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.05em;padding:6px 16px;border-radius:999px;
  box-shadow:var(--shadow);white-space:nowrap;
}
.package-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:10px}
.package-header h3{font-size:1.3rem}
.package-price{text-align:right}
.package-price span{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--green)}
.package-price small{display:block;color:var(--ink-soft);font-size:.75rem}
.package-highlight{font-size:.92rem;font-weight:600;color:var(--teal);margin-bottom:18px}
.package-card .checklist{margin-bottom:26px;flex:1}

/* Organizers */
.organizers-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.organizer-card{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border-left:4px solid var(--teal)}
.organizer-card h3{font-size:1.1rem;margin-bottom:10px}
.organizer-card p{color:var(--ink-soft);font-size:.94rem}

/* Sponsors */
.sponsors-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:36px;
}
.sponsor-card{
  background:var(--white);border-radius:12px;box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;padding:18px;
  height:110px;transition:transform .2s ease;
}
.sponsor-card:hover{transform:translateY(-4px)}
.sponsor-card img{max-height:70px;max-width:100%;object-fit:contain;filter:grayscale(15%)}

/* Gallery */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;
}
.gallery-thumb{
  border:none;padding:0;background:none;cursor:pointer;border-radius:14px;overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow);
}
.gallery-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.gallery-thumb:hover img{transform:scale(1.08)}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;z-index:1000;background:rgba(9,18,32,.94);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .2s ease;
  padding:60px 24px;
}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:min(90vw,1100px);max-height:80vh;object-fit:contain;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox-close{
  position:absolute;top:20px;right:24px;background:none;border:none;color:#fff;
  font-size:2.4rem;line-height:1;cursor:pointer;opacity:.85;
}
.lightbox-close:hover{opacity:1}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.3);color:#fff;width:48px;height:48px;border-radius:50%;
  cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(4px);
}
.lightbox-nav:hover{background:rgba(255,255,255,.25)}
.lightbox-prev{left:20px}
.lightbox-next{right:20px}

/* FAQ */
.faq-list{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 24px;font-family:var(--font-body);font-weight:600;font-size:.98rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-question span{color:var(--green);font-size:1.3rem;font-weight:800;transition:transform .2s}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-answer p{padding:0 24px 20px;color:var(--ink-soft);font-size:.92rem;line-height:1.7}
.faq-answer p:first-child{padding-top:0}

/* Contact CTA */
.section-cta{
  background:linear-gradient(135deg, var(--blue-deep), var(--teal));
  color:#fff;text-align:center;
}
.section-cta h2{color:#fff}
.contacto-inner{display:flex;flex-direction:column;align-items:center;gap:18px;max-width:560px;margin:0 auto}
.contacto-inner p{color:rgba(255,255,255,.85)}
.contacto-alt{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;font-size:.92rem;color:rgba(255,255,255,.85)}
.contacto-alt a{text-decoration:underline}

/* Footer */
.site-footer{background:var(--blue-deep);color:rgba(255,255,255,.85);padding:60px 0 20px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:10px;font-size:.85rem;color:rgba(255,255,255,.6)}
.site-footer .brand-kicker{color:var(--green-light)}
.site-footer .brand-main{color:#fff}
.footer-links h4,.footer-contact h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;color:rgba(255,255,255,.55)}
.footer-links a,.footer-contact a,.footer-contact p{display:block;font-size:.9rem;margin-bottom:8px;color:rgba(255,255,255,.85)}
.footer-links a:hover,.footer-contact a:hover{color:var(--green-light)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:.8rem;color:rgba(255,255,255,.5);text-align:center}

/* Floating WhatsApp */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;z-index:200;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-strong);
  transition:transform .2s;
}
.whatsapp-float:hover{transform:scale(1.08)}

/* Responsive */
@media (max-width:960px){
  .stats{grid-template-columns:1fr}
  .activities{grid-template-columns:1fr 1fr}
  .beneficios-grid{grid-template-columns:1fr}
  .stand-info{grid-template-columns:1fr}
  .organizers-grid{grid-template-columns:1fr}
  .sponsors-grid{grid-template-columns:repeat(3,1fr)}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .packages-grid{grid-template-columns:1fr;max-width:480px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:760px){
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg);flex-direction:column;align-items:flex-start;
    padding:30px 24px;gap:22px;font-size:1.1rem;
    transform:translateX(100%);transition:transform .25s ease;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-toggle{display:flex}
  .nav-cta{align-self:flex-start}
  .activities{grid-template-columns:1fr}
  .sponsors-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:100vh}
  .package-header{flex-direction:column;align-items:flex-start}
  .package-price{text-align:left}
  .lightbox-nav{width:40px;height:40px}
  .lightbox-prev{left:8px}
  .lightbox-next{right:8px}
}