/* ═══════════════════════════════════════════════════════════════════
   APPLE Construcciones & Servicios — style.css
   Hoja de estilos compartida por: cursos.html, curso-*.html, applex.html, nosotros.html
   (El index.html usa su propio <style> inline ya corregido)
   Versión: 2.0 — Responsive fixes aplicados
   ═══════════════════════════════════════════════════════════════════ */

:root{
  --navy:#1A2744;--navy-dark:#0E1A30;--blue:#2E4A8E;
  --green:#8DC63F;--green-dark:#6aaa2a;--purple:#6B6BBB;
  --gray:#BFBFBF;--white:#fff;--offwhite:#F5F7FA;
  --text:#2C3A52;--muted:#6B7A90;--border:#E2E8F0;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Barlow',sans-serif;color:var(--text);background:var(--white);overflow-x:hidden;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}

/* ─── NAV ─── */
.nav{position:sticky;top:0;z-index:200;background:var(--navy);height:60px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px rgba(0,0,0,0.3);}
.nav-logo-svg{height:32px;width:auto;}
.nav-links{display:flex;align-items:center;gap:10px;}
.nav-link{color:rgba(255,255,255,0.7);font-size:13px;font-weight:600;padding:7px 14px;border-radius:20px;border:1px solid rgba(255,255,255,0.15);transition:all .2s;}
.nav-link:hover{color:#fff;border-color:var(--green);}
.nav-btn{background:var(--green);color:var(--navy);padding:9px 20px;border-radius:20px;font-weight:800;font-size:13px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .2s;}
.nav-btn:hover{background:#9ed648;}
.nav-wa{background:#25D366;color:#fff;padding:9px 18px;border-radius:20px;font-weight:700;font-size:13px;white-space:nowrap;}

/* ─── HERO FOTO (para páginas de cursos) ─── */
.hero-foto-wrap{position:relative;overflow:hidden;}
.hero-foto{width:100%;height:420px;object-fit:cover;object-position:center 50%;display:block;}
.hero-foto-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(26,39,68,0.3) 0%,rgba(26,39,68,0.85) 100%);display:flex;align-items:flex-end;padding:32px 5%;}
.hero-foto-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(220,38,38,0.9);color:#fff;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:6px 14px;border-radius:20px;margin-bottom:12px;}
.hero-foto-badge.purple{background:rgba(107,107,187,0.9);}
.hero-dot{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse-dot 1.5s infinite;}
@keyframes pulse-dot{0%,100%{opacity:1;}50%{opacity:0.4;}}
.hero-foto-text h1{font-family:'Josefin Sans',sans-serif;font-size:clamp(24px,4vw,42px);font-weight:700;color:#fff;line-height:1.15;margin-bottom:10px;}
.hero-foto-text h1 span{color:var(--green);}
.hero-foto-text p{font-size:15px;color:rgba(255,255,255,0.8);}

/* ─── INFO BAR ─── */
.info-bar{background:var(--navy);padding:20px 5%;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
.info-badges{display:flex;gap:10px;flex-wrap:wrap;}
.ibadge{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);border-radius:20px;padding:6px 12px;font-size:12px;color:rgba(255,255,255,0.85);font-weight:500;}
.ibadge-purple{background:rgba(107,107,187,0.2);border-color:rgba(107,107,187,0.3);}
.ibadge-green{background:rgba(141,198,63,0.15);border-color:rgba(141,198,63,0.3);color:var(--green);}

/* ─── COUNTDOWN BAR ─── */
.countdown-bar{background:linear-gradient(135deg,var(--navy-dark),var(--blue));padding:16px 5%;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border-bottom:2px solid var(--green);}
.cd-label{font-size:14px;font-weight:700;color:#fff;}
.cd-sub{font-size:12px;color:rgba(255,255,255,0.55);margin-top:2px;}
.cd-timer{display:flex;gap:10px;align-items:center;}
.cd-unit{text-align:center;}
.cd-num{font-family:'Josefin Sans',sans-serif;font-size:32px;font-weight:700;color:var(--green);display:block;line-height:1;background:rgba(141,198,63,0.1);border:1px solid rgba(141,198,63,0.2);border-radius:8px;padding:8px 12px;min-width:58px;}
.cd-sub-label{font-size:9px;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:1px;margin-top:4px;display:block;}
.cd-sep{font-size:24px;font-weight:700;color:rgba(141,198,63,0.4);margin-top:-6px;}

/* ─── MAIN LAYOUT (cursos individuales) ─── */
.main-layout{max-width:1100px;margin:0 auto;padding:40px 5%;display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start;}

/* ─── CARD INSCRIPCIÓN ─── */
.inscripcion-card{background:var(--white);border:2px solid var(--border);border-radius:14px;padding:24px;position:sticky;top:80px;box-shadow:0 8px 32px rgba(0,0,0,0.1);}
.ic-precio-num{font-family:'Josefin Sans',sans-serif;font-size:42px;font-weight:700;color:var(--navy);line-height:1;}
.ic-precio-orig{font-size:16px;color:var(--muted);text-decoration:line-through;margin-left:8px;}
.ic-descuento{display:inline-block;background:rgba(141,198,63,0.15);color:var(--green-dark);font-size:12px;font-weight:800;padding:3px 8px;border-radius:4px;margin-left:6px;}
.ic-usd{font-size:13px;color:var(--muted);margin:6px 0;}
.ic-alerta{font-size:12px;color:#dc2626;font-weight:600;margin-bottom:16px;}
.ic-btn-main{width:100%;background:linear-gradient(135deg,var(--green),var(--green-dark));color:var(--navy);padding:15px;border-radius:10px;font-weight:800;font-size:15px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .3s;margin-bottom:10px;box-shadow:0 4px 16px rgba(141,198,63,0.3);}
.ic-btn-main:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(141,198,63,0.4);}
.ic-btn-wa{width:100%;background:#25D366;color:#fff;padding:13px;border-radius:10px;font-weight:700;font-size:14px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:20px;text-decoration:none;}
.ic-btn-wa:hover{background:#1ebe5a;}
.ic-features{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--border);padding-top:16px;}
.ic-feat{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);}
.ic-feat::before{content:'✓';color:var(--green);font-weight:800;font-size:14px;flex-shrink:0;}
.ic-garantia{text-align:center;font-size:11px;color:var(--muted);margin-top:12px;}

/* ─── SECCIONES ─── */
.section-tag{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--green);display:block;margin-bottom:10px;}
.section-tag.purple{color:var(--purple);}
.contenido h2{font-family:'Josefin Sans',sans-serif;font-size:clamp(20px,2.5vw,30px);font-weight:700;color:var(--navy);margin-bottom:12px;}
.contenido p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.separador{height:1px;background:var(--border);margin:36px 0;}

/* ─── VIDEO ─── */
.video-wrap{position:relative;padding-bottom:56.25%;border-radius:12px;overflow:hidden;background:var(--navy);border:1px solid var(--border);margin-top:20px;}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;}
.video-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;background:linear-gradient(135deg,var(--navy),var(--blue));}
.video-placeholder .play-icon{font-size:56px;opacity:0.7;}
.video-placeholder p{color:rgba(255,255,255,0.5);font-size:13px;}

/* ─── TEMARIO ─── */
.temario-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;}
.t-item{display:flex;align-items:flex-start;gap:12px;background:var(--offwhite);border:1px solid var(--border);border-radius:8px;padding:14px;transition:all .2s;}
.t-item:hover{border-color:var(--green);background:var(--white);box-shadow:0 4px 12px rgba(141,198,63,0.1);}
.t-num{width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0;}
.t-num.purple{background:var(--purple);}
.t-texto{font-size:13px;color:var(--text);line-height:1.4;}
.t-texto strong{color:var(--navy);display:block;margin-bottom:2px;}

/* ─── INSTRUCTOR ─── */
.inst-card{display:flex;gap:24px;align-items:flex-start;background:var(--offwhite);border:1px solid var(--border);border-radius:14px;padding:24px;margin-top:20px;}
.inst-av{width:80px;height:80px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--purple),var(--blue));display:flex;align-items:center;justify-content:center;font-size:32px;border:3px solid rgba(141,198,63,0.25);}
.inst-nombre{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:4px;}
.inst-cargo{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--green);margin-bottom:10px;display:block;}
.inst-bio{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px;}
.inst-tags{display:flex;gap:8px;flex-wrap:wrap;}
.inst-tag{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;}
.inst-tag::before{content:'✓';color:var(--green);font-weight:800;}

/* ─── CTA FINAL ─── */
.cta-section{background:var(--navy);padding:56px 5%;text-align:center;}
.cta-section h2{font-family:'Josefin Sans',sans-serif;font-size:clamp(20px,3vw,34px);font-weight:700;color:#fff;margin-bottom:12px;}
.cta-section p{font-size:15px;color:rgba(255,255,255,0.65);max-width:460px;margin:0 auto 28px;}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn-cta{background:var(--green);color:var(--navy);padding:15px 36px;border-radius:10px;font-weight:800;font-size:15px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .2s;}
.btn-cta:hover{background:#9ed648;transform:translateY(-2px);}
.btn-cta-wa{background:#25D366;color:#fff;padding:15px 36px;border-radius:10px;font-weight:800;font-size:15px;text-decoration:none;transition:all .2s;display:inline-flex;align-items:center;gap:8px;}
.btn-cta-wa:hover{background:#1ebe5a;transform:translateY(-2px);}

/* ─── CURSOS GRID (cursos.html) ─── */
.c-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.c-card{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s;cursor:pointer;}
.c-card:hover{box-shadow:0 8px 28px rgba(0,0,0,0.12);transform:translateY(-3px);}
.c-thumb{position:relative;width:100%;padding-top:56.25%;overflow:hidden;flex-shrink:0;}
.c-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block;transition:transform .4s;}
.c-card:hover .c-thumb img{transform:scale(1.05);}
.c-nivel{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.65);color:#fff;font-size:10px;font-weight:700;padding:3px 8px;border-radius:10px;}
.c-info{padding:12px;display:flex;flex-direction:column;gap:5px;flex:1;}
.c-badge{font-size:10px;font-weight:800;padding:3px 8px;border-radius:4px;display:inline-block;width:fit-content;}
.badge-best{background:#ecb613;color:#fff;}
.badge-new{background:var(--green);color:var(--navy);}
.badge-prox{background:var(--purple);color:#fff;}
.badge-vivo{background:#dc2626;color:#fff;}
.c-titulo{font-size:13px;font-weight:700;color:var(--navy);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:35px;}
.c-inst{font-size:11px;color:var(--muted);}
.c-rating{display:flex;align-items:center;gap:3px;}
.c-stars{color:#e65c00;font-size:11px;}
.c-rnum{font-size:11px;font-weight:700;color:#e65c00;}
.c-rcount{font-size:10px;color:var(--muted);}
.c-meta{font-size:10px;color:var(--muted);}
.c-precio{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:6px;}
.c-precio-actual{font-size:16px;font-weight:800;color:var(--navy);}
.c-precio-orig{font-size:11px;color:var(--muted);text-decoration:line-through;}
.c-btn{width:100%;padding:10px;border-radius:6px;font-weight:800;font-size:12px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .2s;margin-top:6px;}
.c-btn-main{background:var(--green);color:var(--navy);}
.c-btn-main:hover{background:#9ed648;}
.c-btn-prox{background:var(--purple);color:#fff;}
.c-btn-prox:hover{background:#5a5aaa;}

/* ─── CURSOS EN VIVO BAR ─── */
.vivo-bar{background:var(--navy);padding:20px 5%;}
.vivo-bar-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:16px;}
.vivo-dot{width:10px;height:10px;border-radius:50%;background:#dc2626;animation:pulse-vivo 1.5s infinite;flex-shrink:0;}
@keyframes pulse-vivo{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,0.4);}50%{box-shadow:0 0 0 8px rgba(220,38,38,0);}}
.vivo-titulo{font-size:16px;font-weight:800;color:#fff;}
.vivo-sub-txt{font-size:12px;color:rgba(255,255,255,0.55);margin-top:2px;}
.countdown-mini{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:700;color:#fff;background:rgba(255,255,255,0.08);padding:8px 14px;border-radius:10px;}
.countdown-mini span{background:rgba(220,38,38,0.3);padding:4px 8px;border-radius:6px;font-family:'Josefin Sans',sans-serif;font-size:16px;min-width:26px;text-align:center;display:inline-block;}
.vivo-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.vivo-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:16px;display:flex;align-items:center;gap:14px;transition:all .2s;position:relative;}
.vivo-card:hover{background:rgba(255,255,255,0.1);}
.vivo-card.intl{border-color:rgba(107,107,187,0.4);}
.vivo-fecha{text-align:center;background:rgba(220,38,38,0.15);border:1px solid rgba(220,38,38,0.3);border-radius:10px;padding:10px 12px;flex-shrink:0;min-width:58px;}
.vf-mes{font-size:8px;font-weight:800;color:rgba(220,38,38,0.8);letter-spacing:1.5px;display:block;text-transform:uppercase;}
.vf-dia{font-size:30px;font-weight:900;color:#fff;line-height:1;display:block;}
.vivo-info{flex:1;min-width:0;}
.vivo-info h3{font-size:13px;font-weight:700;color:#fff;margin-bottom:3px;line-height:1.3;}
.vivo-info p{font-size:11px;color:rgba(255,255,255,0.55);margin-bottom:6px;}
.cupos-bar{height:4px;background:rgba(255,255,255,0.1);border-radius:2px;overflow:hidden;margin-bottom:4px;width:80px;}
.cupos-fill{height:100%;background:var(--green);border-radius:2px;width:5%;}
.cupos-txt{font-size:10px;color:rgba(255,255,255,0.4);}
.vivo-precio{text-align:center;flex-shrink:0;}
.vivo-precio-num{font-size:20px;font-weight:900;color:var(--green);display:block;}
.vivo-precio-usd{font-size:10px;color:rgba(255,255,255,0.4);display:block;margin-bottom:8px;}
.btn-vivo{background:var(--green);color:var(--navy);border:none;padding:9px 14px;border-radius:8px;font-weight:800;font-size:12px;cursor:pointer;font-family:'Barlow',sans-serif;white-space:nowrap;transition:all .2s;}
.btn-vivo:hover{background:#9ed648;}

/* ─── FILTROS ─── */
.filtros{background:#fff;border-bottom:2px solid var(--border);padding:0 5%;display:flex;gap:0;overflow-x:auto;position:sticky;top:60px;z-index:90;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
.filtros::-webkit-scrollbar{display:none;}
.filtro{padding:14px 20px;border:none;background:transparent;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .2s;font-family:'Barlow',sans-serif;}
.filtro:hover{color:var(--navy);}
.filtro.active{color:var(--navy);border-bottom-color:var(--navy);}

/* ─── SERVICIOS (usado por cursos individuales) ─── */
.servicios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.servicio-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:24px;transition:all .2s;position:relative;overflow:hidden;}
.servicio-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--green),var(--purple));transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.servicio-card:hover::before{transform:scaleX(1);}
.servicio-card:hover{box-shadow:0 8px 28px rgba(0,0,0,0.1);transform:translateY(-4px);}
.servicio-icon{width:48px;height:48px;border-radius:12px;background:rgba(141,198,63,0.12);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;}
.servicio-card h4{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:8px;font-family:'Josefin Sans',sans-serif;}
.servicio-card p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ─── MODAL ─── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.78);z-index:1000;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity .3s;backdrop-filter:blur(6px);}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal-box{background:var(--white);border-radius:16px;max-width:460px;width:100%;max-height:92vh;overflow-y:auto;}
.modal-hd{background:var(--navy);padding:22px 24px;border-radius:16px 16px 0 0;position:relative;}
.modal-close{position:absolute;top:14px;right:14px;background:rgba(255,255,255,0.1);border:none;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;}
.modal-close:hover{background:rgba(255,255,255,0.2);}
.modal-subtit{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--green);text-transform:uppercase;margin-bottom:6px;}
.modal-tit{font-size:16px;font-weight:700;color:#fff;line-height:1.3;padding-right:36px;}
.modal-precio-display{font-family:'Josefin Sans',sans-serif;font-size:36px;font-weight:700;color:var(--green);margin-top:10px;display:block;}
.modal-bd{padding:20px 24px;display:flex;flex-direction:column;gap:14px;}
.m-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:6px;display:block;}
.m-input{width:100%;background:var(--offwhite);border:1.5px solid var(--border);border-radius:8px;padding:11px 14px;font-size:14px;color:var(--text);outline:none;transition:border .2s;font-family:'Barlow',sans-serif;}
.m-input:focus{border-color:var(--green);}
.opciones{display:flex;flex-direction:column;gap:10px;}
.opcion{display:flex;align-items:center;gap:14px;background:var(--offwhite);border:2px solid var(--border);border-radius:10px;padding:14px 16px;cursor:pointer;transition:all .2s;width:100%;text-align:left;font-family:'Barlow',sans-serif;}
.opcion:hover,.opcion.sel{border-color:var(--green);background:#f0fff0;}
.opcion.opcion-purple:hover,.opcion.opcion-purple.sel{border-color:var(--purple);background:rgba(107,107,187,0.06);}
.opcion.opcion-wa:hover,.opcion.opcion-wa.sel{border-color:#25D366;background:rgba(37,211,102,0.06);}
.opcion-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;}
.icon-green{background:rgba(141,198,63,0.12);}
.icon-purple{background:rgba(107,107,187,0.12);}
.icon-wa{background:rgba(37,211,102,0.12);}
.opcion-nombre{font-size:14px;font-weight:700;color:var(--navy);display:block;margin-bottom:2px;}
.opcion-desc{font-size:11px;color:var(--muted);}
.opcion-arrow{font-size:18px;color:var(--muted);flex-shrink:0;margin-left:auto;}
.modal-ft{padding:0 24px 24px;}
.btn-confirmar{width:100%;background:var(--green);color:var(--navy);padding:14px;border-radius:10px;font-weight:800;font-size:14px;border:none;cursor:pointer;font-family:'Barlow',sans-serif;transition:all .2s;margin-bottom:10px;}
.btn-confirmar:hover{background:#9ed648;}
.btn-confirmar:disabled{opacity:0.45;cursor:not-allowed;}
.modal-nota{text-align:center;font-size:11px;color:var(--muted);background:var(--offwhite);padding:10px;border-radius:8px;}

/* ─── FOOTER ─── */
footer{background:var(--navy-dark);border-top:1px solid rgba(141,198,63,0.12);padding:32px 5%;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:28px;}
.footer-brand h3{font-family:'Josefin Sans',sans-serif;color:#fff;font-size:18px;letter-spacing:2px;margin-bottom:10px;}
.footer-brand h3 span{color:var(--green);}
.footer-brand p{color:rgba(255,255,255,0.4);font-size:13px;line-height:1.7;}
.footer-col h4{color:#fff;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;}
.footer-col a{display:block;color:rgba(255,255,255,0.45);font-size:13px;margin-bottom:8px;transition:all .2s;}
.footer-col a:hover{color:var(--green);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,0.3);}
.footer-bottom a{color:var(--green);}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — Versión 2.0 (3 breakpoints, fixes consolidados)
   Breakpoints: 1000px (tablets) · 700px (móvil grande) · 420px (móvil chico)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── TABLET ( ≤ 1000px ) ─── */
@media(max-width:1000px){
  .main-layout{grid-template-columns:1fr;}
  .inscripcion-card{position:static;}
  .temario-grid{grid-template-columns:1fr;}
  .inst-card{flex-direction:column;}
  .servicios-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .vivo-cards{grid-template-columns:1fr;}
  .c-grid{grid-template-columns:repeat(3,1fr);}
}

/* ─── MÓVIL GRANDE ( ≤ 700px ) ─── */
@media(max-width:700px){
  .c-grid{grid-template-columns:repeat(2,1fr);}
  .servicios-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-foto{height:280px;}
  .hero-foto-overlay{padding:24px 5%;}
  .info-bar{padding:16px 5%;}
  .countdown-bar{padding:14px 5%;}
  .cd-num{font-size:26px;padding:6px 10px;min-width:50px;}
  .cd-sub-label{font-size:8px;}
  .main-layout{padding:28px 5%;gap:28px;}
  .inscripcion-card{padding:20px;}
  .ic-precio-num{font-size:34px;}
  .inst-av{width:70px;height:70px;font-size:26px;}
  .vivo-card{flex-wrap:wrap;}
  .cta-section{padding:44px 5%;}
  .cta-btns{flex-direction:column;align-items:stretch;}
  .btn-cta,.btn-cta-wa{width:100%;justify-content:center;text-align:center;}
  .modal-bd{padding:18px 20px;}
  .modal-ft{padding:0 20px 20px;}
  footer{padding:28px 5%;}
}

/* ─── MÓVIL CHICO ( ≤ 420px ) ─── */
@media(max-width:420px){
  .c-grid{grid-template-columns:1fr;}
  .c-titulo{min-height:auto;}
  .hero-foto{height:240px;}
  .hero-foto-text h1{font-size:22px;}
  .cd-timer{gap:6px;}
  .cd-num{font-size:22px;padding:5px 8px;min-width:42px;}
  .cd-sep{display:none;}
  .countdown-mini{font-size:12px;padding:6px 10px;}
  .countdown-mini span{font-size:14px;min-width:22px;padding:3px 6px;}
  .vivo-fecha{min-width:50px;padding:8px 10px;}
  .vf-dia{font-size:24px;}
  .ic-precio-num{font-size:30px;}
  .ic-btn-main{font-size:14px;padding:13px;}
  .servicios-grid{grid-template-columns:1fr;}
  .section-tag{letter-spacing:2px;}
}