*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--navy:#0B1D3A;--navy-light:#1a2f52;--gold:#E5A826;--gold-light:#f0c05a;
--bg:#fff;--bg-alt:#f5f6f8;--text:#0B1D3A;--text-muted:#5a6577;--border:#e2e5ea;
--card:#fff;--radius:12px;--redbut:#E8594E;
}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
.logo-ibs{width:230px}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:all .2s}
.btn-redb{background:var(--redbut);color:#fff}
.btn-redb:hover{background:#e47e76;color:var(--navy)}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-light)}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.3);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-light)}
.section-label{color:var(--gold);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:3px}
.section-title{font-size:clamp(26px,4vw,40px);font-weight:800;margin-top:12px;line-height:1.2}
.gold-text{background:linear-gradient(135deg,var(--gold),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-style:normal}

/* TOPBAR */
.topbar{background:var(--navy);border-bottom:1px solid rgba(255,255,255,.06);padding:8px 0}
.topbar .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.topbar-left{color:rgba(255,255,255,.55);font-size:12px;display:flex;align-items:center;gap:6px}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-right a{color:rgba(255,255,255,.65);font-size:13px;font-weight:500;display:flex;align-items:center;gap:5px;transition:color .2s}
.topbar-right a:hover{color:var(--gold)}

/* HEADER */
.header{position:sticky;top:0;left:0;right:0;z-index:100;background:rgba(11,29,58,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px}
.logo-text{color:#fff;font-weight:800;font-size:18px;line-height:1.1}
.logo-sub{color:rgba(255,255,255,.45);font-size:10px;letter-spacing:2px;text-transform:uppercase;display:block}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 16px;color:rgba(255,255,255,.75);font-size:14px;font-weight:500;border-radius:6px;transition:color .2s}
.nav a:hover{color:var(--gold)}
.header-cta{display:flex;align-items:center;gap:12px}
.hamburger{display:none;background:none;border:none;color:#fff;font-size:28px;cursor:pointer}
.mobile-menu{display:none;flex-direction:column;padding:16px 0;gap:4px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-menu a{padding:12px 20px;color:rgba(255,255,255,.8);font-size:15px;border-radius:6px}
.mobile-menu a:hover{background:rgba(255,255,255,.05);color:var(--gold)}

/* HERO */
.hero{background: url(../images/img-fondo-hero.jpg);min-height:88vh;display:flex;align-items:center;padding:64px 0;position:relative;overflow:hidden}
.hero::before {content: "";position: absolute;inset: 0;background: rgba(0, 0, 0, 0.7);z-index: 1;}
.hero-deco{position:absolute;border-radius:50%;border:2px solid rgba(229,168,38,.12);pointer-events:none}
.hero .container{display:grid;grid-template-columns:3fr 2fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.badge-gold{background:rgba(229,168,38,.15);color:var(--gold)}
.badge-white{background:rgba(255,255,255,.08);color:rgba(255,255,255,.7)}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:800;color:#fff;line-height:1.1;margin-bottom:20px}
.hero-sub{color:rgba(255,255,255,.65);font-size:18px;max-width:520px;margin-bottom:24px;line-height:1.7}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.chip{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.75);font-size:12px;font-weight:600;padding:6px 14px;border-radius:20px}
.chip-gold{background:rgba(229,168,38,.15);border-color:rgba(229,168,38,.3);color:var(--gold)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:380px}
.stat{text-align:center}
.stat-num{font-size:28px;font-weight:800;color:var(--gold)}
.stat-label{font-size:11px;color:rgba(255,255,255,.45);text-transform:uppercase;letter-spacing:1.5px;margin-top:2px}

/* FORM */
.form-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.form-offer{background:rgba(229,168,38,.08);border:1px solid rgba(229,168,38,.2);padding:10px 14px;border-radius:8px;font-size:13px;color:var(--navy);font-weight:600;margin-bottom:16px}
.form-card h3{font-size:20px;font-weight:700;color:var(--navy);margin-bottom:4px}
.form-card .sub{font-size:13px;color:var(--text-muted);margin-bottom:20px}
.form-card form{display:flex;flex-direction:column;gap:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-card input,.form-card select{height:48px;border:1px solid var(--border);border-radius:8px;padding:0 14px;font-size:14px;font-family:inherit;width:100%;outline:none;transition:border .2s;color:var(--text)}
.form-card input:focus,.form-card select:focus{border-color:var(--gold)}
.form-card .privacy{font-size:11px;color:var(--text-muted);text-align:center;margin-top:6px}

/* PROGRAMS */
.programs{background:var(--bg-alt);padding:80px 0}
.section-desc{color:var(--text-muted);max-width:640px;margin:12px auto 0;font-size:16px;line-height:1.7}
.tabs{display:flex;justify-content:center;gap:8px;margin:32px 0 40px}
.tab{padding:12px 28px;border-radius:24px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--card);color:var(--text-muted);transition:all .2s}
.tab.active{background:var(--redbut);color:#fff;border-color:var(--redbut);box-shadow:0 4px 16px rgba(11,29,58,.2)}
.programs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.prog-top > div:last-child {flex: 1;min-width: 0;}
.prog-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s;display:flex;flex-direction:column}
.prog-card:hover{border-color:rgba(229,168,38,.4);box-shadow:0 8px 24px rgba(229,168,38,.08)}
.prog-top{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}
.prog-icon{width:48px;height:48px;border-radius:12px;background:rgba(229,168,38,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:22px}
.prog-area{font-size:11px;font-weight:700;color:var(--gold);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:2px}
.prog-card h3{font-size:17px;font-weight:700}
.prog-card p{font-size:14px;color:var(--text-muted);margin-bottom:12px;line-height:1.6;flex:1}
.prog-mods{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;justify-content: center;}
.prog-mod{font-size:11px;background:var(--bg-alt);color:var(--text-muted);padding:3px 10px;border-radius:12px;font-weight:500}
.prog-link{color:var(--gold);font-size:14px;font-weight:600}
.prog-icon {display: flex;align-items: center;justify-content: center;width: 48px;height: 48px;background: #fff3d6;border-radius: 12px;}
.material-symbols-outlined {font-size: 28px;color: #FDB515;}

/* MODALITIES */
.modalities {padding: 100px 0;position: relative;z-index: 1; /* crea contexto */}
.modalities::before {content: "";position: absolute;inset: 0;background-image: url('../images/flecha-2.png'),url('../images/flecha-2.png'),url('../images/flecha-2.png');background-position: 60% 2%, -170% 20%, -20% 98%;background-repeat: no-repeat;background-size: 70%, 70%, 70%;opacity: 0.15;pointer-events: none;}
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1000px;margin:48px auto 0}
.mod-card{border:1px solid var(--border);border-radius:16px;padding:28px;position:relative;transition:all .3s;display:flex;flex-direction:column}
.mod-card:hover{box-shadow:0 12px 36px rgba(0,0,0,.08)}
.mod-card.featured{background:var(--navy);color:#fff;border-color:var(--gold);transform:scale(1.02);box-shadow:0 12px 36px rgba(11,29,58,.2)}
.mod-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--navy);font-size:11px;font-weight:800;padding:5px 18px;border-radius:20px;text-transform:uppercase;letter-spacing:1.5px;white-space:nowrap}
.mod-icon{width:48px;height:48px;border-radius:12px;background:rgba(229,168,38,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}
.mod-card h3{font-size:20px;font-weight:700;margin-bottom:4px}
.mod-schedule{font-size:14px;color:var(--text-muted);margin-bottom:8px}
.mod-card.featured .mod-schedule{color:rgba(255,255,255,.6)}
.mod-desc{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:16px}
.mod-card.featured .mod-desc{color:rgba(255,255,255,.65)}
.mod-price-block{margin-bottom:20px}
.mod-price{font-size:36px;font-weight:800;line-height:1}
.mod-price span{font-size:14px;font-weight:400;color:var(--text-muted)}
.mod-card.featured .mod-price span{color:rgba(255,255,255,.5)}
.mod-note{font-size:12px;color:var(--gold);font-weight:600;margin-top:4px}
.mod-benefits{list-style:none;margin-bottom:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.mod-benefits li{font-size:14px;display:flex;align-items:flex-start;gap:8px}
.mod-benefits li::before{content:"✓";color:var(--gold);font-weight:700;flex-shrink:0}
.mod-card.featured .mod-benefits li{color:rgba(255,255,255,.75)}

/* SCHOLARSHIPS */
.scholarships{background:linear-gradient(135deg,var(--navy),var(--navy-light));padding:80px 0;position:relative;overflow:hidden}
.scholarships .section-title{color:#fff}
.scholarships .section-desc{color:rgba(255,255,255,.55)}
.schol-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;max-width:1000px;margin:48px auto 0}
.schol-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:24px;transition:all .3s}
.schol-card:hover{background:rgba(255,255,255,.08);border-color:rgba(229,168,38,.3)}
.schol-icon{width:48px;height:48px;border-radius:12px;background:rgba(229,168,38,.15);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:20px}
.schol-card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.schol-card p{font-size:14px;color:rgba(255,255,255,.5);margin-bottom:10px}
.schol-tag{display:inline-block;background:rgba(229,168,38,.15);color:var(--gold);font-size:11px;font-weight:700;padding:4px 12px;border-radius:12px}

/* WHY IBS */
.why-ibs{background:var(--bg-alt);padding:80px 0;position: relative;}
.why-ibs::before {content: "";position: absolute;inset: 0;background-image: url('../images/fondo-graficos-1.png'),url('../images/fondo-graficos-2.png');background-position: 0% 6%, 100% 80%;background-repeat: no-repeat;background-size: 7%, 3%;pointer-events: none;}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-top:48px}
.why-text p{color:var(--text-muted);font-size:16px;line-height:1.8;margin-bottom:16px}
.callout{background:var(--navy);border-left:4px solid var(--gold);border-radius:12px;padding:24px;margin-top:24px}
.callout h4{color:var(--gold);font-size:18px;font-weight:800;margin-bottom:8px}
.callout p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.7;margin:0}
.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.diff-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .3s}
.diff-item:hover{border-color:rgba(229,168,38,.3);box-shadow:0 4px 16px rgba(0,0,0,.06)}
.diff-icon{font-size:22px;margin-bottom:10px}
.diff-item h3{font-size:15px;font-weight:700;margin-bottom:6px}
.diff-item p{font-size:13px;color:var(--text-muted);line-height:1.6}

/* CURRICULUM */
.curriculum{padding:80px 0;position: relative;}
.curriculum::before {content: "";position: absolute;inset: 0;background-image: url('../images/bg-curriculum-2.png'),url('../images/bg-curriculum.png');background-position: 0% 60%, 100% 20%;background-repeat: no-repeat;background-size: 7%, 20%;pointer-events: none;}
.timeline{max-width:800px;margin:48px auto;position:relative}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--border);transform:translateX(-1px)}
.tl-item{position:relative;display:flex;margin-bottom:28px}
.tl-item:nth-child(odd){justify-content:flex-start;padding-right:calc(50% + 24px);text-align:right}
.tl-item:nth-child(even){justify-content:flex-end;padding-left:calc(50% + 24px)}
.tl-dot{position:absolute;left:50%;top:16px;width:12px;height:12px;background:var(--gold);border-radius:50%;transform:translateX(-50%);z-index:2;box-shadow:0 0 0 4px var(--bg)}
.tl-content{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:box-shadow .3s;max-width:100%}
.tl-content:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.tl-sem{color:var(--gold);font-weight:800;font-size:16px}
.tl-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-left:6px}
.tl-content h4{font-weight:700;margin:6px 0 2px;font-size:15px}
.tl-content p{font-size:14px;color:var(--text-muted)}
.comp-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:40px}
.comp-tag{background:rgba(229,168,38,.1);color:var(--gold);padding:8px 20px;border-radius:20px;font-size:14px;font-weight:600}

/* TESTIMONIALS */
.testimonials{background:var(--bg-alt);padding:80px 0;position: relative;}
.testimonials::before {content: "";position: absolute;inset: 0;background-image: url('../images/testimonial-bg.png'),url('../images/testimonial-bg2.png'),url('../images/testimonial-bg3.png');background-position: 10% 0%, 100% 0%, 0% 95%;background-repeat: no-repeat;background-size: 10%, 10%, 8%;pointer-events: none;}
.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:48px auto 0}
.test-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;position:relative;transition:box-shadow .3s}
.test-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.06)}
.test-quote-icon{position:absolute;top:24px;right:24px;font-size:32px;color:rgba(229,168,38,.15)}
.test-avatar{width:52px;height:52px;border-radius:50%;background:rgba(229,168,38,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-weight:700;font-size:16px;color:var(--gold)}
.test-card blockquote{font-style:italic;color:var(--text-muted);line-height:1.7;margin-bottom:20px;font-size:15px}
.test-card .name{font-weight:700}
.test-card .career{font-size:13px;color:var(--gold)}

/* FAQ */
.faq{padding:80px 0;position: relative;}
.faq::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('../images/faq-bg.png'),
    url('../images/faq-bg2.png');
    background-position: -15% 50%, 
    107% 20%;
    background-repeat: no-repeat;
    background-size: 20%, 20%;
    /* opacity: 0.15; */
    pointer-events: none;
}
.faq-list{max-width:720px;margin:48px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.open{border-color:rgba(229,168,38,.3);box-shadow:0 4px 16px rgba(0,0,0,.05)}
.faq-q{padding:20px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:15px;user-select:none}
.faq-q::after{content:"+";font-size:22px;color:var(--gold);font-weight:300;transition:transform .2s}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{padding:0 24px 20px;color:var(--text-muted);font-size:15px;line-height:1.7;display:none}
.faq-item.open .faq-a{display:block}

/* CTA */
.cta{background:linear-gradient(135deg,var(--navy),var(--navy-light));padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta h2{font-size:clamp(26px,4vw,44px);font-weight:800;color:#fff;max-width:700px;margin:0 auto;line-height:1.2}
.cta-sub{color:rgba(255,255,255,.55);font-size:16px;max-width:560px;margin:20px auto 36px}
.cta-sub span{color:rgba(255,255,255,.8);font-weight:600}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* FOOTER */
.footer{background:var(--navy);color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.footer h4{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:2px;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer li a{font-size:14px;color:rgba(255,255,255,.45);transition:color .2s}
.footer li a:hover{color:var(--gold)}
.footer-info{color:rgba(255,255,255,.45);font-size:14px;line-height:1.8}
.footer-legal{font-size:12px;color:rgba(255,255,255,.25);margin-top:12px;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.35)}

/* WHATSAPP */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:90;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,.35);transition:transform .2s}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:28px;height:28px;fill:#fff}
.error-message { color: #e63946; font-size: 12px; display: block; margin-top: 4px; }
.input-error    { border-color: #e63946 !important; }

/* RESPONSIVE */
@media(max-width:1024px){
.nav,.header-cta .btn{display:none}
.hamburger{display:block}
.hero .container{grid-template-columns:1fr}
.mod-grid{grid-template-columns:1fr}
.mod-card.featured{transform:none}
.why-grid{grid-template-columns:1fr}
.test-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.timeline::before{left:20px}
.tl-item:nth-child(odd),.tl-item:nth-child(even){padding-left:48px;padding-right:0;text-align:left;justify-content:flex-start}
.tl-dot{left:20px}
}
@media(max-width:640px){
.stats{grid-template-columns:repeat(3,1fr);gap:12px}
.diff-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.cta-btns{flex-direction:column;align-items:center}
.topbar{display:none}
.form-row{grid-template-columns:1fr}
}