/* =========================================
   CANVAS 3D & CONTENT WRAPPER
========================================= */
#canvas3d { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.content-wrapper { position: relative; z-index: 1; }

/* =========================================
   HERO SECTION
========================================= */
header { min-height: 100vh; padding: 160px 20px 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; }
#heroMountainLayer { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
#heroMountainLayer img { width: 100%; height: 120%; object-fit: cover; object-position: center; will-change: transform; }
.hero-text-layer { position: absolute; inset: 0; z-index: 2; pointer-events: none; display: flex; align-items: center; justify-content: center; }

.hero-text-layer h1 {
    font-size: clamp(8rem, 28vw, 22rem); 
    font-weight: 800; 
    line-height: 0.85;
    letter-spacing: -0.03em;
    position: relative;
    color: transparent;
    -webkit-text-stroke: 1px #00f2ff;
    filter: drop-shadow(0 0 5px #00f2ff) drop-shadow(0 0 15px #00f2ff);
    animation: neonPulse 2s infinite alternate;
}

@keyframes neonPulse {
    from { filter: drop-shadow(0 0 5px #00f2ff) drop-shadow(0 0 15px #00f2ff); }
    to { filter: drop-shadow(0 0 10px #00f2ff) drop-shadow(0 0 25px #00f2ff); -webkit-text-stroke: 1.5px #7df9ff; }
}

.hero-foreground { position: absolute; right: 8%; bottom: 4%; z-index: 20; pointer-events: none; width: 24vw; max-width: 340px; opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease, transform 0.8s ease; }
.hero-foreground.visible { opacity: 1; transform: translateY(0); }
.hero-foreground-img { width: 100%; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(56,189,248,0.15); filter: saturate(0.95) contrast(1.05); transition: transform 0.5s ease; }
.hero-foreground:hover .hero-foreground-img { transform: translateY(-4px); }
.hero-foreground-glow { position: absolute; inset: -20px; background: radial-gradient(ellipse at center, rgba(56,189,248,0.12) 0%, transparent 70%); border-radius: 24px; z-index: -1; animation: glowPulse 4s ease-in-out infinite; opacity: 0.6; }
@keyframes glowPulse { 0%, 100% { opacity: 0.4; transform: scale(1); } 50% { opacity: 0.7; transform: scale(1.05); } }

.hero-content { position: relative; z-index: 10; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-pill); padding: 8px 20px; font-size: 0.75rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 28px; }
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }

header h2 { font-size: clamp(2.4rem, 7vw, 4.5rem); font-weight: 800; line-height: 1.1; background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--secondary) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 24px; text-shadow: 0 0 30px rgba(56,189,248,0.2); }
.hero-desc { max-width: 620px; font-size: 1.1rem; color: var(--text-secondary); margin: 0 auto 40px; line-height: 1.75; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Polaroid Strip */
.hero-polaroid-strip { position: absolute; bottom: 2%; left: 50%; transform: translateX(-50%); display: flex; gap: 14px; z-index: 30; pointer-events: auto; }
.hero-pol-card { background: rgba(250,250,250,0.92); border-radius: 4px; padding: 8px 8px 14px; width: 130px; box-shadow: 0 8px 28px rgba(0,0,0,0.35); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.hero-pol-card:hover { transform: translateY(-6px); }
.hero-pol-card .pol-img { width: 100%; aspect-ratio: 4/3; overflow: hidden; border-radius: 2px; margin-bottom: 8px; }
.hero-pol-card .pol-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.hero-pol-card:hover .pol-img img { transform: scale(1.05); }
.hero-pol-card p { font-size: 0.65rem; color: #555; font-weight: 500; letter-spacing: 0.5px; margin: 0; }

/* =========================================
   EXAM PROMO BANNER
========================================= */
.exam-promo-banner { padding: 40px 20px; background: linear-gradient(135deg, rgba(56,189,248,0.08), rgba(99,102,241,0.08)); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border); }
.exam-promo-banner .new-badge { background: var(--gold); color: var(--bg-primary); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; display: inline-block; margin-bottom: 12px; }
.exam-promo-banner h3 { font-size: clamp(1.3rem, 4vw, 1.5rem); font-weight: 700; margin: 8px 0 12px; color: var(--text-primary); }
.exam-promo-banner p { color: var(--text-secondary); max-width: 600px; margin: 0 auto 20px; line-height: 1.6; }

/* =========================================
   FEATURED IMAGE
========================================= */
.featured-img { padding: 0 20px 80px; text-align: center; }
.featured-img img { width: 100%; max-width: 1100px; border-radius: var(--radius-lg); border: 1px solid var(--glass-border); box-shadow: var(--shadow), var(--glow); }

/* =========================================
   ABOUT US
========================================= */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.about-img-wrap img { width: 100%; border-radius: var(--radius-lg); }
.about-img-wrap::after { content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg); border: 1px solid var(--glass-border); box-shadow: inset 0 0 40px rgba(56,189,248,0.08); }
.about-text p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.8; }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }

/* Photo Cluster */
.photo-cluster { position: relative; width: 100%; height: 200px; cursor: pointer; margin-top: 14px; }
.photo-cluster .photo-1, .photo-cluster .photo-2 { position: absolute; overflow: hidden; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); border: 1px solid var(--glass-border); width: 55%; transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
.photo-cluster .photo-1 { left: 0; top: 0; transform: rotate(-2deg); z-index: 1; }
.photo-cluster .photo-2 { left: 35%; top: 25%; transform: rotate(3deg); z-index: 2; }
.photo-cluster:hover .photo-1 { transform: rotate(-4deg) translateX(-8px); }
.photo-cluster:hover .photo-2 { transform: rotate(3deg) translateX(8px); }
.photo-cluster img { width: 100%; height: 140px; object-fit: cover; display: block; }

/* =========================================
   PILLARS (About)
========================================= */
.pillar { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 18px; backdrop-filter: blur(10px); transition: border-color 0.3s, box-shadow 0.3s; }
.pillar:hover { border-color: var(--accent); box-shadow: 0 0 20px rgba(56,189,248,0.1); }
.pillar i {
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 10px;
    display: block;
    transition: text-shadow 0.3s;
    animation: pillarIconPulse 3s ease-in-out infinite;
}
@keyframes pillarIconPulse {
    0%, 100% { text-shadow: 0 0 6px rgba(56,189,248,0.3); }
    50% { text-shadow: 0 0 16px rgba(56,189,248,0.7), 0 0 32px rgba(56,189,248,0.3); }
}
.pillar h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.pillar p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* =========================================
   LEVELS CARDS
========================================= */
.levels-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 50px; }

.level-card {
    background: var(--paper, #FAFAFA);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
    color: var(--bg-primary);
    position: relative;
}
[data-theme="dark"] .level-card { background: rgba(250, 250, 250, 0.95); color: #020617; }
.level-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 14px;
    background: conic-gradient(from var(--angle, 0deg),
        transparent 0deg,
        transparent 60deg,
        #b8c5d6 80deg,
        #e8eef4 100deg,
        #c0cdd8 120deg,
        transparent 140deg,
        transparent 360deg
    );
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
    animation: spinBorder 3s linear infinite paused;
}
.level-card:hover::before { opacity: 1; animation-play-state: running; }
.level-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 20px rgba(184,197,214,0.15); }
@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes spinBorder { to { --angle: 360deg; } }

.polaroid-img { position: relative; border-radius: 8px; overflow: hidden; margin-bottom: 12px; }
.polaroid-img img { width: 100%; height: 140px; object-fit: cover; display: block; transition: transform 0.5s; }
.level-card:hover .polaroid-img img { transform: scale(1.03); }
.level-badge { position: absolute; top: 10px; left: 10px; font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; padding: 4px 10px; border-radius: var(--radius-pill); border: 1px solid var(--accent); color: var(--bg-primary); text-transform: uppercase; background: var(--accent); backdrop-filter: blur(4px); }
.level-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--bg-primary); margin-bottom: 4px; }
.level-card .level-desc { font-size: 0.9rem; color: #334155; line-height: 1.6; flex: 1; }

/* TTS Controls */
.tts-controls { display: flex; align-items: center; gap: 8px; margin-top: 8px; padding-top: 12px; border-top: 1px solid rgba(0,0,0,0.1); }
.tts-btn { width: 32px; height: 32px; border-radius: 50%; background: rgba(56,189,248,0.15); border: 1px solid rgba(56,189,248,0.4); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; flex-shrink: 0; color: var(--bg-primary); }
.tts-btn:hover { background: var(--accent); border-color: var(--accent); }
.tts-btn.speaking { background: var(--gold); color: var(--bg-primary); border-color: var(--gold); }
.tts-btn svg { width: 14px; height: 14px; fill: currentColor; }
.tts-label { font-size: 0.75rem; color: #475569; font-weight: 500; }

/* =========================================
   CERTIFICATIONS
========================================= */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 50px; }
.cert-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 35px; backdrop-filter: blur(10px); text-align: center; transition: all 0.3s; }
.cert-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.cert-icon { font-size: 3rem; color: var(--accent); margin-bottom: 20px; }
.cert-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--accent); margin-bottom: 14px; }
.cert-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.ef-logo { height: 36px; filter: brightness(0) invert(0.7); transition: filter 0.3s; margin: 10px 0; }
.cert-card:hover .ef-logo { filter: none; }

/* =========================================
   EXAM CTA
========================================= */
.exam-cta { background: linear-gradient(135deg, rgba(56,189,248,0.1), rgba(99,102,241,0.1)); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 50px 40px; text-align: center; margin: 60px 0; backdrop-filter: blur(10px); }
.exam-cta h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; color: var(--accent); }
.exam-cta p { color: var(--text-secondary); margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; }
.exam-features { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 30px; font-size: 0.9rem; }
.exam-features span { display: flex; align-items: center; gap: 6px; }
.exam-features i { color: var(--success); }

/* =========================================
   PRICING
========================================= */
.pricing-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 24px; 
    margin-top: 60px; 
    align-items: stretch;
}

.price-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px 32px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    text-align: center;
    overflow: visible;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.price-card::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(105deg,
        transparent 20%,
        rgba(255,255,255,0.06) 40%,
        rgba(255,255,255,0.12) 50%,
        rgba(255,255,255,0.06) 60%,
        transparent 80%
    );
    transition: left 0.6s ease;
    pointer-events: none;
}
.price-card:hover::after { left: 160%; }
.price-card.elite::after {
    background: linear-gradient(105deg,
        transparent 20%,
        rgba(245,158,11,0.08) 40%,
        rgba(245,158,11,0.18) 50%,
        rgba(245,158,11,0.08) 60%,
        transparent 80%
    );
}
.price-card.featured { border-color: var(--accent); box-shadow: 0 0 40px rgba(56,189,248,0.15); transform: scale(1.03); z-index: 2; }
.price-card.elite { border-color: var(--gold); background: linear-gradient(135deg, rgba(245,158,11,0.05), var(--glass-bg)); box-shadow: 0 0 40px rgba(245,158,11,0.12); }

.popular-badge { 
    position: absolute; 
    top: -10px; 
    left: 50%; 
    transform: translateX(-50%); 
    background: var(--accent); 
    color: var(--bg-primary); 
    font-size: 0.72rem; 
    font-weight: 700; 
    letter-spacing: 2px; 
    padding: 5px 16px; 
    border-radius: var(--radius-pill);
    white-space: nowrap;
    z-index: 10;
}

.price-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.price-tag { font-size: 3rem; font-weight: 800; color: var(--accent); margin: 18px 0; line-height: 1; }
.price-tag.gold-price { color: var(--gold); }
.price-tag span { font-size: 1rem; color: var(--text-secondary); font-weight: 400; }
.price-divider { border: none; border-top: 1px solid var(--glass-border); margin: 20px 0; }
.price-features { text-align: left; margin-bottom: 28px; flex: 1; }
.price-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.5; }
.price-features li i { margin-top: 2px; flex-shrink: 0; }
.price-features li.on { color: var(--text-primary); }
.price-features li.on i { color: var(--success); }
.price-features li.off i { color: var(--danger); }

/* =========================================
   CONTACT
========================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; }
.contact-info p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 30px; }
.contact-channels { display: flex; flex-direction: column; gap: 14px; }
.channel { display: flex; align-items: center; gap: 14px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 16px 20px; transition: all 0.2s; }
.channel:hover { border-color: var(--accent); color: var(--accent); }
.channel i { font-size: 1.3rem; color: var(--accent); width: 24px; text-align: center; }
.channel-text .ch-label { font-size: 0.75rem; color: var(--text-secondary); }
.channel-text .ch-val { font-weight: 600; font-size: 0.95rem; }
.contact-form-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 36px; backdrop-filter: blur(10px); }

/* =========================================
   FOCUS MODE (index-specific)
========================================= */
.focus-mode .hero-text-layer { opacity: 0.3 !important; }
.focus-mode .hero-foreground { opacity: 0.3 !important; }
.focus-mode .hero-foreground-glow { animation: none !important; }
.focus-mode .level-card, .focus-mode .price-card { transition: none !important; transform: none !important; }
.focus-mode .hero-polaroid-strip { opacity: 0.2 !important; pointer-events: none !important; }
.focus-mode #heroMountainLayer { opacity: 0.3 !important; }

/* =========================================
   RESPONSIVE INDEX
========================================= */
@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-img-wrap { display: none; }
    .pricing-grid { grid-template-columns: 1fr; }
    .price-card.featured { transform: none; }
    .cert-grid { grid-template-columns: 1fr; }
    .hero-text-layer h1 { font-size: clamp(6rem, 22vw, 16rem); }
    .hero-foreground { right: 4%; bottom: 8%; width: 35vw; max-width: 240px; }
    .hero-polaroid-strip { gap: 10px; transform: none !important; }
}
@media (max-width: 640px) {
    .hero-cta { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .exam-features { flex-direction: column; align-items: center; gap: 12px; }
    .section-sub { font-size: 1rem; }
    .hero-text-layer { display: none; }
    .hero-foreground { display: none; }
    .hero-polaroid-strip { display: none; }
    .photo-cluster { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .level-card, .price-card { transition: none !important; }
    .hero-foreground { transition: none !important; opacity: 1 !important; transform: none !important; }
    .hero-foreground-glow { animation: none !important; }
    .hero-polaroid-strip { display: none !important; }
}
/* =========================================
   FEATURED SPLIT (imagen + copy motivacional)
========================================= */
.featured-split { padding: 100px 20px; }

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 4/5;
}

.split-image-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(56,189,248,0.15) 0%, transparent 60%);
    pointer-events: none;
}

.split-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
    padding: 6px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
}

.split-title {
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.split-lead {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.split-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.split-benefit {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.split-benefit:hover {
    border-color: var(--accent);
    transform: translateX(6px);
    box-shadow: 0 0 20px rgba(56,189,248,0.1);
}

.split-benefit-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(99,102,241,0.15));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.split-benefit h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.split-benefit p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
}

.split-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 900px) {
    .split-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .split-image img { aspect-ratio: 16/10; }
}

@media (max-width: 640px) {
    .featured-split { padding: 60px 20px; }
    .split-cta { flex-direction: column; }
    .split-cta .btn { width: 100%; }
}
/* =========================================
   HERRAMIENTAS (sección del index)
========================================= */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; }
.tool-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 32px; text-align: center; transition: all 0.3s; backdrop-filter: blur(10px); display: block; }
.tool-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 12px 40px rgba(56,189,248,0.15); }
.tool-icon { font-size: 2.8rem; margin-bottom: 16px; display: block; }
.tool-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.tool-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; margin-bottom: 16px; }
.tool-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); background: var(--glass-hover); border: 1px solid var(--glass-border); border-radius: var(--radius-pill); padding: 4px 12px; }
/* ========================================= */
/* ENGAGEMENT: Toast de bienvenida */
/* ========================================= */
.welcome-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: white;
  padding: 20px 25px;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 350px;
  z-index: 9999;
  transform: translateX(400px);
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  font-family: 'Poppins', sans-serif;
}

.welcome-toast.show {
  transform: translateX(0);
}

.toast-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.toast-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.toast-body h4 {
  margin: 0 0 8px 0;
  font-size: 1rem;
  font-weight: 600;
}

.toast-body p {
  margin: 0 0 12px 0;
  font-size: 0.85rem;
  opacity: 0.95;
  line-height: 1.5;
}

.toast-actions {
  display: flex;
  gap: 8px;
}

.toast-btn {
  padding: 6px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.toast-btn-primary {
  background: white;
  color: var(--gold);
}

.toast-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.toast-btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.toast-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

.toast-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.toast-close:hover {
  opacity: 1;
}

/* ========================================= */
/* ENGAGEMENT: Chat widget proactivo */
/* ========================================= */
.chat-widget {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.chat-bubble {
  background: white;
  padding: 15px 20px;
  border-radius: 20px 20px 20px 5px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
  max-width: 280px;
  display: none;
  animation: slideUp 0.5s ease-out;
  margin-bottom: 15px;
}

.chat-bubble.show {
  display: block;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.chat-message {
  margin: 0 0 10px 0;
  font-size: 0.9rem;
  color: #333;
  font-family: 'Poppins', sans-serif;
}

.chat-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-btn {
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
  font-family: 'Poppins', sans-serif;
  transition: all 0.3s ease;
}

.chat-btn:hover {
  transform: translateX(4px);
}

.chat-btn-accent {
  background: var(--accent);
  color: white;
}

.chat-btn-gold {
  background: var(--gold);
  color: white;
}

.chat-btn-neutral {
  background: rgba(0, 0, 0, 0.05);
  color: #333;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.chat-toggle {
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: white;
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ========================================= */
/* ENGAGEMENT: Pulse en botón de examen */
/* ========================================= */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 15px rgba(245, 158, 11, 0);
  }
}

.exam-btn-pulse {
  animation: pulse 2s infinite;
}

/* Responsive: ajustar en móviles */
@media (max-width: 768px) {
  .welcome-toast {
    right: 15px;
    left: 15px;
    max-width: none;
    bottom: 100px;
  }

  .chat-widget {
    left: 15px;
    bottom: 15px;
  }

  .chat-bubble {
    max-width: 240px;
  }
}