/* PRESENTATION SECTION - ANIMATED VERSION */
.gr-presentation-section {
    width: 100%;
    padding: 6rem 1rem;
    background-color: #f8f8f8;
    position: relative;
    overflow: hidden;
}

.gr-presentation-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.gr-presentation-content {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.gr-presentation-section.in-view .gr-presentation-content {
    opacity: 1;
    transform: translateY(0);
}

.gr-presentation-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 900;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;
    color: #77519A;
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease-out 0.2s;
}

.gr-presentation-section.in-view .gr-presentation-title {
    opacity: 1;
    transform: translateX(0);
}

.gr-presentation-title::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 4px;
    background: linear-gradient(90deg, #77519A, transparent);
    bottom: -10px;
    left: 25%;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.8s ease 0.4s;
}

.gr-presentation-section.in-view .gr-presentation-title::after {
    transform: scaleX(1);
    transform-origin: left;
}

.gr-presentation-subtitle {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    line-height: 1.4;
    color: rgba(0, 0, 0, 0.8);
    margin: 0 auto 1.5rem;
    max-width: 800px;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.6s ease-out 0.3s;
}

.gr-presentation-section.in-view .gr-presentation-subtitle {
    opacity: 1;
    transform: translateX(0);
}

.gr-presentation-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.6;
    color: rgba(0, 0, 0, 0.7);
    margin: 0 auto 2.5rem;
    max-width: 700px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out 0.4s;
}

.gr-presentation-section.in-view .gr-presentation-text {
    opacity: 1;
    transform: translateY(0);
}

.gr-presentation-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.9rem 2.2rem;
    background-color: #77519A;
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    border-radius: 4px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.5s;
    box-shadow: 0 4px 15px rgba(119, 81, 154, 0.3);
}

.gr-presentation-section.in-view .gr-presentation-cta {
    opacity: 1;
    transform: scale(1);
}

.gr-presentation-cta:hover {
    background-color: #5d3d7c;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(119, 81, 154, 0.4);
}

.gr-presentation-whatsapp-icon {
    width: 1.2em;
    height: 1.2em;
    margin-left: 0.6rem;
    transition: transform 0.3s ease;
}

.gr-presentation-cta:hover .gr-presentation-whatsapp-icon {
    transform: translateX(3px) rotate(5deg);
}

/* Efecto de onda al hover */
.gr-presentation-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: translateX(-100%) skewX(-15deg);
    transition: transform 0.6s ease;
    z-index: 1;
}

.gr-presentation-cta:hover::after {
    transform: translateX(100%) skewX(-15deg);
}

/* Partículas de fondo decorativas */
.gr-presentation-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><circle cx="10" cy="10" r="1" fill="%2377519A" opacity="0.1"/><circle cx="30" cy="25" r="1" fill="%2377519A" opacity="0.1"/><circle cx="70" cy="15" r="1" fill="%2377519A" opacity="0.1"/><circle cx="85" cy="40" r="1" fill="%2377519A" opacity="0.1"/><circle cx="15" cy="70" r="1" fill="%2377519A" opacity="0.1"/><circle cx="50" cy="85" r="1" fill="%2377519A" opacity="0.1"/><circle cx="90" cy="90" r="1" fill="%2377519A" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    opacity: 0;
    transition: opacity 1s ease 0.3s;
}

.gr-presentation-section.in-view::before {
    opacity: 1;
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
    .gr-presentation-section {
        padding: 5rem 1rem;
    }
}

@media (max-width: 768px) {
    .gr-presentation-section {
        padding: 4rem 1rem;
    }
    
    .gr-presentation-cta {
        padding: 0.8rem 1.8rem;
    }
}

@media (max-width: 576px) {
    .gr-presentation-section {
        padding: 3.5rem 1rem;
    }
    
    .gr-presentation-title::after {
        width: 70%;
        left: 15%;
    }
    
    .gr-presentation-cta {
        width: 100%;
        justify-content: center;
    }
}