/* =======================================================
   SISTEMA DE DISEÑO ALDRASCAN v2.0
   3 Modelos: Elf · Elite · Elite Wireless + IPG + Kit Scan Body
   ======================================================= */

:root {
    --primary-blue: #006CFF;
    --dark-blue: #003B8E;
    --light-blue: #4FA3FF;
    --accent-purple: #7c3aed;
    --accent-teal: #0d9488;
    --accent-glow: rgba(0,108,255,0.3);

    --clinical-grey: #F5F5F7;
    --secondary-grey: #D2D2D7;
    --text-muted: #6e6e73;

    --white: #FFFFFF;
    --black: #000000;
    --dark-bg: #1D1D1F;
    --dark-surface: #2C2C2E;
    --dark-border: rgba(255,255,255,0.08);

    --font-stack: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-xl: 40px;

    --shadow-card: 0 4px 24px rgba(0,0,0,0.07);
    --shadow-hover: 0 16px 48px rgba(0,108,255,0.15);
    --shadow-glow-blue: 0 0 80px rgba(0,108,255,0.2);
    --shadow-glow-purple: 0 0 80px rgba(124,58,237,0.2);
    --shadow-glow-teal: 0 0 80px rgba(13,148,136,0.2);

    --transition-fast: 0.2s ease;
    --transition-med: 0.35s ease;
    --container-width: 1200px;
    --nav-height: 64px;
}

/* ---- RESET ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-stack);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color var(--transition-med),color var(--transition-med);}

body.light-mode{background-color:var(--white);color:var(--dark-bg);}
body.dark-mode{background-color:var(--dark-bg);color:var(--clinical-grey);}

/* ---- UTILIDADES ---- */
.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;}
.text-center{text-align:center;}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-blue);margin-bottom:12px;display:block;}
.section-title{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.12;margin-bottom:16px;}
.section-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:580px;margin:0 auto;}
body.dark-mode .section-subtitle{color:var(--secondary-grey);}

/* ---- BOTONES ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;border:none;transition:all var(--transition-fast);letter-spacing:-.01em;}
.btn-sm{padding:9px 20px;font-size:.85rem;}
.btn-primary{background:var(--primary-blue);color:var(--white);box-shadow:0 4px 16px rgba(0,108,255,.3);}
.btn-primary:hover{background:var(--dark-blue);transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,108,255,.4);}
.btn-secondary{background:transparent;color:var(--primary-blue);border:1.5px solid var(--primary-blue);}
.btn-secondary:hover{background:rgba(0,108,255,.06);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:var(--white);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}

/* ---- NAVBAR ---- */
.navbar{position:sticky;top:0;z-index:900;height:var(--nav-height);display:flex;align-items:center;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transition:background-color var(--transition-med),box-shadow var(--transition-med);}
body.light-mode .navbar{background:rgba(255,255,255,.88);border-bottom:1px solid var(--secondary-grey);}
body.dark-mode .navbar{background:rgba(29,29,31,.9);border-bottom:1px solid var(--dark-border);}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.nav-logo-icon{width:32px;height:32px;background:var(--primary-blue);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:white;font-size:1rem;}
.nav-logo-text{font-weight:700;font-size:1.1rem;color:var(--dark-bg);letter-spacing:-.01em;}
body.dark-mode .nav-logo-text{color:var(--white);}

/* ---- LOGO IMAGEN ---- */
.nav-logo-img{
    height: 38px;
    width: auto;
    object-fit: contain;
    /* El logo es blanco: en modo claro lo invertimos */
    filter: invert(1) brightness(.15);
    transition: filter var(--transition-fast);
}
body.dark-mode .nav-logo-img{
    filter: brightness(1);  /* blanco puro en modo oscuro */
}
.nav-logo-img:hover{ opacity: .85; }

.footer-logo-img{
    height: 44px;
    width: auto;
    object-fit: contain;
    filter: brightness(1);   /* footer oscuro → logo blanco OK */
}
body.light-mode .footer-logo-img{
    filter: invert(1) brightness(.18);
}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;}
.nav-links a{text-decoration:none;font-size:.88rem;font-weight:500;color:var(--text-muted);transition:color var(--transition-fast);}
.nav-links a:hover{color:var(--primary-blue);}
body.dark-mode .nav-links a{color:var(--secondary-grey);}
.nav-links .nav-cta-link{color:var(--primary-blue);font-weight:600;}
.nav-links .nav-cta-link:hover{color:var(--dark-blue);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.theme-btn{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--secondary-grey);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--transition-fast);color:var(--text-muted);}
.theme-btn:hover{border-color:var(--primary-blue);color:var(--primary-blue);transform:rotate(20deg);}
body.dark-mode .theme-btn{border-color:var(--dark-border);}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-muted);border-radius:2px;transition:all var(--transition-fast);}

/* ============================================================
   HERO MULTI-MODELO
   ============================================================ */
.hero-multi{padding:80px 0 60px;position:relative;overflow:hidden;}
.hero-multi::before{content:'';position:absolute;top:-300px;right:-200px;width:800px;height:800px;background:radial-gradient(circle,rgba(0,108,255,.07) 0%,transparent 65%);pointer-events:none;}
body.dark-mode .hero-multi::before{background:radial-gradient(circle,rgba(0,108,255,.13) 0%,transparent 65%);}

.hero-multi-header{text-align:center;margin-bottom:56px;}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(0,108,255,.1);color:var(--primary-blue);padding:6px 14px;border-radius:50px;font-size:.8rem;font-weight:600;letter-spacing:.04em;margin-bottom:20px;border:1px solid rgba(0,108,255,.2);}
.hero-multi-header h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:900;letter-spacing:-.04em;line-height:1.05;margin-bottom:20px;}
.hero-multi-header p{font-size:1.1rem;color:var(--text-muted);max-width:620px;margin:0 auto;line-height:1.7;}
body.dark-mode .hero-multi-header p{color:var(--secondary-grey);}

/* ---- GRID DE MODELOS ---- */
.models-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px;}

.model-card{border-radius:var(--radius-xl);padding:32px 28px;position:relative;overflow:hidden;transition:transform var(--transition-med),box-shadow var(--transition-med);cursor:default;}
body.light-mode .model-card{background:var(--clinical-grey);}
body.dark-mode .model-card{background:var(--dark-surface);border:1px solid var(--dark-border);}

.model-card:hover{transform:translateY(-8px);}
body.light-mode .model-card:hover{box-shadow:0 20px 60px rgba(0,0,0,.1);}
body.dark-mode .model-card:hover{box-shadow:0 20px 60px rgba(0,0,0,.4);}

/* Card destacada */
.model-card--featured{background:linear-gradient(145deg,#0a0a1a 0%,#0d1a3a 50%,#0a1232 100%) !important;color:var(--white) !important;box-shadow:0 8px 40px rgba(0,108,255,.3);}
body.light-mode .model-card--featured{color:var(--white);}
.model-card--featured .model-tagline{color:rgba(255,255,255,.65);}
.model-card--featured .model-bullets li{color:rgba(255,255,255,.85);}

/* Badge del modelo */
.model-badge{position:absolute;top:20px;right:20px;padding:5px 12px;border-radius:50px;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;}
.model-badge--new{background:rgba(0,108,255,.15);color:var(--primary-blue);border:1px solid rgba(0,108,255,.2);}
.model-badge--popular{background:linear-gradient(135deg,var(--primary-blue),var(--accent-purple));color:white;}
.model-badge--wireless{background:rgba(13,148,136,.15);color:var(--accent-teal);border:1px solid rgba(13,148,136,.25);}

/* Imagen del modelo */
.model-img-wrap{position:relative;width:100%;aspect-ratio:1/1;max-width:240px;margin:0 auto 28px;display:flex;align-items:center;justify-content:center;}
.model-img-wrap img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease;position:relative;z-index:1;filter:drop-shadow(0 16px 32px rgba(0,0,0,.18));}
.model-card:hover .model-img-wrap img{transform:scale(1.06) translateY(-4px);}

/* Glows de color por modelo */
.model-glow{position:absolute;width:180px;height:180px;border-radius:50%;filter:blur(50px);opacity:.4;z-index:0;}
.model-glow--blue{background:var(--primary-blue);}
.model-glow--purple{background:var(--accent-purple);}
.model-glow--teal{background:var(--accent-teal);}

/* Info del modelo */
.model-eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);display:block;margin-bottom:2px;}
.model-card--featured .model-eyebrow{color:rgba(255,255,255,.5);}
body.dark-mode .model-eyebrow{color:var(--secondary-grey);}
.model-name{font-size:2rem;font-weight:900;letter-spacing:-.04em;margin-bottom:6px;line-height:1;}
.model-tagline{font-size:.88rem;color:var(--text-muted);margin-bottom:20px;}

/* Stats rápidas */
.model-stats{display:flex;gap:0;margin-bottom:20px;border-radius:var(--radius-md);overflow:hidden;}
body.light-mode .model-stats{background:rgba(0,0,0,.04);}
body.dark-mode .model-stats{background:rgba(255,255,255,.05);}
.model-card--featured .model-stats{background:rgba(255,255,255,.08);}
.mstat{flex:1;padding:10px 8px;text-align:center;border-right:1px solid rgba(0,0,0,.06);}
body.dark-mode .mstat{border-color:rgba(255,255,255,.06);}
.mstat:last-child{border-right:none;}
.mstat-val{font-size:1rem;font-weight:800;letter-spacing:-.03em;display:block;color:var(--primary-blue);}
.model-card--featured .mstat-val{color:var(--light-blue);}
.mstat-unit{font-size:.7rem;font-weight:600;}
.mstat-label{font-size:.65rem;color:var(--text-muted);margin-top:2px;display:block;}
.model-card--featured .mstat-label{color:rgba(255,255,255,.5);}

/* Bullets */
.model-bullets{list-style:none;margin-bottom:24px;display:flex;flex-direction:column;gap:8px;}
.model-bullets li{font-size:.88rem;display:flex;align-items:center;gap:10px;}
.model-bullets li i{color:var(--primary-blue);font-size:.75rem;flex-shrink:0;}
.model-card--featured .model-bullets li i{color:var(--light-blue);}

.hero-cta-bar{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar{padding:36px 0;border-top:1px solid var(--secondary-grey);border-bottom:1px solid var(--secondary-grey);}
body.dark-mode .trust-bar{border-color:var(--dark-border);}
.trust-bar-label{text-align:center;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:20px;}
.trust-logos{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap;}
.trust-logo-item{font-size:.82rem;font-weight:700;color:var(--secondary-grey);letter-spacing:.06em;text-transform:uppercase;transition:color var(--transition-fast);}
.trust-logo-item:hover{color:var(--primary-blue);}

/* ============================================================
   IPG SECTION
   ============================================================ */
.ipg-section{padding:100px 0;background:linear-gradient(180deg,var(--clinical-grey) 0%,var(--white) 100%);}
body.dark-mode .ipg-section{background:linear-gradient(180deg,var(--dark-surface) 0%,var(--dark-bg) 100%);}
.ipg-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}

.ipg-visual{position:relative;}
.ipg-img-wrap{border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 20px 60px rgba(124,58,237,.2);}
.ipg-img-wrap img{width:100%;height:100%;object-fit:cover;display:block;}
.ipg-badge-float{position:absolute;bottom:24px;left:24px;background:var(--white);border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:.82rem;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:2;}
body.dark-mode .ipg-badge-float{background:var(--dark-surface);color:var(--white);border:1px solid var(--dark-border);}
.ipg-badge-float i{color:var(--accent-purple);font-size:1.1rem;}
/* Segundo badge IPG (inline override) */
.ipg-img-wrap .ipg-badge-float:last-of-type{color:#fff;}

.ipg-desc{font-size:1rem;line-height:1.8;color:var(--text-muted);margin-bottom:32px;}
body.dark-mode .ipg-desc{color:var(--secondary-grey);}

.ipg-features{display:flex;flex-direction:column;gap:20px;}
.ipg-feat{display:flex;gap:16px;align-items:flex-start;}
.ipg-feat-icon{width:44px;height:44px;background:rgba(124,58,237,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--accent-purple);font-size:1.1rem;flex-shrink:0;}
.ipg-feat strong{display:block;font-size:.92rem;margin-bottom:4px;}
.ipg-feat p{font-size:.85rem;color:var(--text-muted);line-height:1.6;}
body.dark-mode .ipg-feat p{color:var(--secondary-grey);}

/* ============================================================
   COMPARATIVA
   ============================================================ */
.specs-section{padding:96px 0;}
.specs-header{text-align:center;margin-bottom:48px;}
.comparison-wrap{overflow:hidden;border-radius:var(--radius-xl);}
body.light-mode .comparison-wrap{box-shadow:0 8px 48px rgba(0,0,0,.08);border:1px solid var(--secondary-grey);}
body.dark-mode .comparison-wrap{box-shadow:0 8px 48px rgba(0,0,0,.3);border:1px solid var(--dark-border);}
.comparison-table-scroll{overflow-x:auto;}
.comparison-table{width:100%;border-collapse:collapse;min-width:680px;}
.comparison-table thead tr{border-bottom:2px solid var(--secondary-grey);}
body.dark-mode .comparison-table thead tr{border-color:var(--dark-border);}
.comparison-table th,.comparison-table td{padding:14px 20px;text-align:center;font-size:.88rem;border-bottom:1px solid var(--secondary-grey);}
body.dark-mode .comparison-table th,body.dark-mode .comparison-table td{border-color:var(--dark-border);}
.comparison-table tbody tr:last-child td{border-bottom:none;}
.comparison-table tbody tr:hover{background:rgba(0,108,255,.03);}
.spec-col{text-align:left !important;font-weight:600;color:var(--text-muted);width:25%;}
body.dark-mode .spec-col{color:var(--secondary-grey);}
.elf-col{}
.elite-col{}
.wireless-col{}

/* Columna destacada */
.th-featured{background:rgba(0,108,255,.06);}
body.dark-mode .th-featured{background:rgba(0,108,255,.12);}
.td-featured{background:rgba(0,108,255,.03);font-weight:600;}
body.dark-mode .td-featured{background:rgba(0,108,255,.08);}

.th-model{display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 0;}
.th-model span{font-size:.88rem;}
.th-badge{display:inline-block;background:var(--primary-blue);color:white;font-size:.65rem;font-weight:700;padding:3px 10px;border-radius:50px;margin-top:4px;}
.val-highlight{color:var(--primary-blue);font-weight:700;}
.text-yes{color:#16a34a;font-size:1rem;}
.text-no{color:var(--secondary-grey);font-size:1rem;}
.comparison-table tfoot td{padding:20px;border-top:2px solid var(--secondary-grey);}
body.dark-mode .comparison-table tfoot td{border-color:var(--dark-border);}

/* ============================================================
   TABS DE SPECS DETALLADAS
   ============================================================ */
.detailed-specs{padding:80px 0;background:var(--clinical-grey);}
body.dark-mode .detailed-specs{background:var(--dark-surface);}
.tabs-nav{display:flex;gap:8px;margin-bottom:32px;flex-wrap:wrap;}
.tab-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:50px;border:1.5px solid var(--secondary-grey);background:var(--white);font-family:var(--font-stack);font-size:.88rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);color:var(--text-muted);}
body.dark-mode .tab-btn{background:var(--dark-bg);border-color:var(--dark-border);color:var(--secondary-grey);}
.tab-btn:hover{border-color:var(--primary-blue);color:var(--primary-blue);}
.tab-btn.active{background:var(--primary-blue);color:var(--white);border-color:var(--primary-blue);box-shadow:0 4px 16px rgba(0,108,255,.3);}
.tab-content{display:none;}
.tab-content.active{display:block;}

.tab-inner{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start;}
.tab-img-col{display:flex;flex-direction:column;align-items:center;gap:20px;}
.tab-img-wrap{background:var(--white);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-card);width:100%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;}
body.dark-mode .tab-img-wrap{background:var(--dark-bg);}
.tab-img-wrap img{width:90%;height:90%;object-fit:contain;filter:drop-shadow(0 12px 24px rgba(0,0,0,.15));}
.tab-badge-list{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;}
.tbadge{padding:5px 12px;border-radius:50px;font-size:.75rem;font-weight:700;}
.tbadge--blue{background:rgba(0,108,255,.1);color:var(--primary-blue);border:1px solid rgba(0,108,255,.2);}
.tbadge--purple{background:rgba(124,58,237,.1);color:var(--accent-purple);border:1px solid rgba(124,58,237,.2);}
.tbadge--teal{background:rgba(13,148,136,.1);color:var(--accent-teal);border:1px solid rgba(13,148,136,.2);}

.tab-specs-col h3{font-size:1.6rem;font-weight:800;letter-spacing:-.03em;margin-bottom:12px;}
.tab-desc{font-size:.95rem;color:var(--text-muted);line-height:1.7;margin-bottom:28px;}
body.dark-mode .tab-desc{color:var(--secondary-grey);}

/* Tabla de specs */
.specs-table{width:100%;border-collapse:collapse;}
.specs-table tr:hover{background:rgba(0,108,255,.03);}
.specs-table th,.specs-table td{padding:13px 12px;text-align:left;border-bottom:1px solid var(--secondary-grey);font-size:.88rem;}
body.dark-mode .specs-table th,body.dark-mode .specs-table td{border-color:var(--dark-border);}
.specs-table th{width:42%;font-weight:600;color:var(--text-muted);}
body.dark-mode .specs-table th{color:var(--secondary-grey);}
.specs-table td{font-weight:500;}
.spec-highlight{color:var(--primary-blue);font-weight:700;}

/* ============================================================
   KIT SCAN BODY
   ============================================================ */
.kit-section{padding:100px 0;}
.kit-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.kit-desc{font-size:1rem;line-height:1.8;color:var(--text-muted);margin-bottom:28px;}
body.dark-mode .kit-desc{color:var(--secondary-grey);}
.kit-features-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.kit-feat{display:flex;gap:14px;align-items:flex-start;}
.kit-feat i{width:36px;height:36px;background:rgba(0,108,255,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--primary-blue);font-size:.95rem;flex-shrink:0;}
.kit-feat strong{display:block;font-size:.85rem;margin-bottom:3px;}
.kit-feat p{font-size:.8rem;color:var(--text-muted);line-height:1.5;}
body.dark-mode .kit-feat p{color:var(--secondary-grey);}

.kit-visual{position:relative;}
.kit-img-wrap{border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 20px 60px rgba(0,108,255,.18);}
.kit-img-wrap img{width:100%;display:block;transition:transform .5s ease;}
.kit-img-wrap:hover img{transform:scale(1.03);}
.kit-overlay-badge{position:absolute;top:24px;right:24px;background:rgba(0,0,0,.6);backdrop-filter:blur(12px);color:white;border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:.82rem;font-weight:700;border:1px solid rgba(255,255,255,.1);}
.kit-overlay-badge i{color:var(--light-blue);font-size:1.1rem;}

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonials{padding:96px 0;background:var(--clinical-grey);}
body.dark-mode .testimonials{background:var(--dark-surface);}
.testimonials-header{text-align:center;margin-bottom:56px;}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;}
.testimonial-card{background:var(--white);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-card);transition:transform var(--transition-fast),box-shadow var(--transition-fast);}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
body.dark-mode .testimonial-card{background:var(--dark-bg);border:1px solid var(--dark-border);}
.testimonial-stars{color:#FFC107;font-size:.9rem;margin-bottom:16px;letter-spacing:2px;}
.testimonial-quote{font-size:.92rem;line-height:1.7;color:var(--text-muted);margin-bottom:24px;font-style:italic;}
body.dark-mode .testimonial-quote{color:var(--secondary-grey);}
.testimonial-author{display:flex;align-items:center;gap:12px;}
.author-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-blue);display:flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:.9rem;flex-shrink:0;}
.author-name{font-weight:700;font-size:.9rem;}
.author-role{font-size:.78rem;color:var(--text-muted);}
body.dark-mode .author-role{color:var(--secondary-grey);}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-section{padding:100px 0;background:linear-gradient(135deg,var(--dark-blue) 0%,var(--primary-blue) 55%,var(--light-blue) 100%);position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:rgba(255,255,255,.04);top:-250px;right:-150px;}
.cta-inner{position:relative;z-index:1;text-align:center;}

/* Imágenes de los 3 productos en el CTA */
.cta-icons-row{display:flex;justify-content:center;align-items:flex-end;gap:0;margin-bottom:36px;}
.cta-product-img{width:200px;height:200px;object-fit:contain;filter:drop-shadow(0 8px 24px rgba(0,0,0,.3)) brightness(1.1);transition:transform .3s ease;}
.cta-product-img:hover{transform:translateY(-8px) scale(1.05);}
.cta-product-img--center{width:260px;height:260px;z-index:1;position:relative;}

.cta-inner h2{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;color:var(--white);letter-spacing:-.03em;margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.75);font-size:1.05rem;margin-bottom:36px;max-width:520px;margin-left:auto;margin-right:auto;}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start;}
.contact-info h2{margin-bottom:16px;}
.contact-info p{color:var(--text-muted);font-size:.95rem;line-height:1.7;margin-bottom:32px;}
body.dark-mode .contact-info p{color:var(--secondary-grey);}
.contact-detail{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
.contact-detail-icon{width:40px;height:40px;background:rgba(0,108,255,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--primary-blue);font-size:1rem;flex-shrink:0;}
.contact-detail-text strong{display:block;font-size:.88rem;margin-bottom:2px;}
.contact-detail-text span{font-size:.85rem;color:var(--text-muted);}
body.dark-mode .contact-detail-text span{color:var(--secondary-grey);}

.contact-form{background:var(--clinical-grey);border-radius:var(--radius-xl);padding:40px;}
body.dark-mode .contact-form{background:var(--dark-surface);border:1px solid var(--dark-border);}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:.8rem;font-weight:600;margin-bottom:7px;color:var(--text-muted);letter-spacing:.02em;}
body.dark-mode .form-group label{color:var(--secondary-grey);}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border-radius:var(--radius-md);border:1.5px solid var(--secondary-grey);font-family:var(--font-stack);font-size:.92rem;background:var(--white);color:var(--dark-bg);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;}
body.dark-mode .form-group input,body.dark-mode .form-group select,body.dark-mode .form-group textarea{background:var(--dark-bg);border-color:var(--dark-border);color:var(--clinical-grey);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary-blue);box-shadow:0 0 0 3px rgba(0,108,255,.1);}
.form-group textarea{resize:vertical;min-height:100px;}
.form-success{display:none;text-align:center;padding:20px;background:rgba(0,200,100,.1);border-radius:var(--radius-md);color:#00a860;font-weight:600;margin-top:12px;border:1px solid rgba(0,200,100,.2);}
.form-success.visible{display:block;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:56px 0 32px;border-top:1px solid var(--secondary-grey);}
body.dark-mode .footer{border-color:var(--dark-border);}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-brand p{font-size:.85rem;color:var(--text-muted);margin-top:12px;max-width:220px;line-height:1.7;}
body.dark-mode .footer-brand p{color:var(--secondary-grey);}
.footer-col h4{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px;}
body.dark-mode .footer-col h4{color:var(--secondary-grey);}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:.88rem;color:var(--text-muted);text-decoration:none;transition:color var(--transition-fast);}
.footer-col ul li a:hover{color:var(--primary-blue);}
body.dark-mode .footer-col ul li a{color:var(--secondary-grey);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--secondary-grey);font-size:.8rem;color:var(--text-muted);}
body.dark-mode .footer-bottom{border-color:var(--dark-border);color:var(--secondary-grey);}
.footer-bottom a{color:var(--primary-blue);text-decoration:none;}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}
.reveal-delay-4{transition-delay:.4s;}

/* ============================================================
   AJUSTES ESPECÍFICOS POR IMAGEN
   ============================================================ */

/* Elf hand: imagen vertical con mano sujetando el escáner */
.model-img-wrap--elf {
    aspect-ratio: 3 / 4 !important;
    max-width: 200px !important;
}
.model-img-wrap--elf img {
    object-fit: contain;
    padding: 4px 8px;
    filter: drop-shadow(0 20px 40px rgba(0,108,255,.22));
}

/* Elite: imagen vertical plateada — ratio 1:3 ajustado */
.model-img-wrap--elite img,
.tab-img-wrap img[src*="elite-real"] {
    filter: drop-shadow(0 20px 48px rgba(124,58,237,.25));
}

/* Tab Elf: imagen vertical necesita más altura */
.tab-img-wrap--elf {
    aspect-ratio: 2 / 3 !important;
    min-height: 280px;
}
.tab-img-wrap--elf img {
    padding: 12px !important;
    filter: drop-shadow(0 12px 28px rgba(0,108,255,.18));
}

/* Kit Scan Body: sin fondo, drop-shadow limpio */
.kit-img-wrap {
    background: transparent !important;
    border-radius: var(--radius-xl);
    overflow: visible !important;
    box-shadow: none !important;
}
.kit-img-wrap img {
    width: 100%;
    display: block;
    object-fit: contain;
    background: transparent;
    filter: drop-shadow(0 24px 56px rgba(0,0,0,.22));
    transition: transform .5s ease;
}
.kit-img-wrap:hover img { transform: scale(1.04); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
    .models-grid{grid-template-columns:1fr;}
    .ipg-inner,.kit-inner,.contact-inner{grid-template-columns:1fr;gap:40px;}
    .footer-inner{grid-template-columns:1fr 1fr;}
    .tab-inner{grid-template-columns:1fr;gap:32px;}
    .tab-img-col{flex-direction:row;justify-content:flex-start;}
    .tab-img-wrap{max-width:160px;}
}

@media(max-width:768px){
    .nav-links{display:none;}
    .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;padding:20px 24px;gap:20px;z-index:800;}
    body.light-mode .nav-links.open{background:var(--white);border-bottom:1px solid var(--secondary-grey);}
    body.dark-mode .nav-links.open{background:var(--dark-bg);border-bottom:1px solid var(--dark-border);}
    .hamburger{display:flex;}

    .hero-multi{padding:56px 0 40px;}
    .hero-multi-header h1{font-size:2.2rem;}
    .models-grid{grid-template-columns:1fr;}
    .model-card--featured{order:-1;}

    .cta-product-img{width:120px;height:120px;}
    .cta-product-img--center{width:160px;height:160px;}

    .footer-inner{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center;}

    .kit-features-grid{grid-template-columns:1fr;}
    .comparison-table th,.comparison-table td{padding:10px 12px;font-size:.8rem;}
}

@media(max-width:480px){
    .hero-cta-bar{flex-direction:column;align-items:center;}
    .hero-cta-bar .btn{width:100%;justify-content:center;}
    .cta-buttons{flex-direction:column;align-items:center;}
    .contact-form{padding:24px;}
    .tabs-nav{gap:6px;}
    .tab-btn{padding:9px 16px;font-size:.8rem;}
}