:root {
    --dsyr-primary: #3f51b5; /* Azul institucional DS&R */
    --dsyr-secondary: #00bcd4; /* Cian/Celeste para acentos */
    --dsyr-dark: #282a42;
    --dsyr-gradient: linear-gradient(135deg, #3f51b5 0%, #2196f3 100%);
    --section-py: 100px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f7fa;
}

.section-py {
    padding: var(--section-py) 0;
}

/* Hero Section Redesign */
.hero-section {
    padding: 160px 0 100px;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -10%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(63, 81, 181, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 0;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dsyr-dark);
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: #6d6b77;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Features Section */
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background-color: rgba(63, 81, 181, 0.1);
    color: var(--dsyr-primary);
    font-size: 1.5rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background: #fff;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

/* Stats Section */
.stats-section {
    background-color: var(--dsyr-primary);
    color: #fff;
    padding: 80px 0;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

/* FAQ Section */
.faq-section {
    background-color: #fff;
}

.accordion-item {
    border: 1px solid rgba(0,0,0,0.05) !important;
    margin-bottom: 1rem;
    border-radius: 0.5rem !important;
    overflow: hidden;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(63, 81, 181, 0.05);
    color: var(--dsyr-primary);
}

.badge-soft-primary {
    background-color: rgba(63, 81, 181, 0.1);
    color: var(--dsyr-primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-card {
    border: none;
    border-radius: 1.25rem;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.portfolio-card:hover {
    transform: scale(1.02);
}

.footer { 
    background: var(--dsyr-dark); 
    color: #dbdade; 
    padding: 80px 0 40px; 
}

.footer h5 { color: white; margin-bottom: 1.5rem; }
.footer a { color: #a2a7ff; text-decoration: none; }
.footer a:hover { color: white; }

.navbar-brand-text { 
    font-weight: 800; 
    font-size: 1.75rem; 
    color: var(--dsyr-primary); 
    letter-spacing: -0.5px;
}

.btn-primary {
    background-color: var(--dsyr-primary);
    border-color: var(--dsyr-primary);
}

.btn-outline-primary {
    color: var(--dsyr-primary);
    border-color: var(--dsyr-primary);
}

/* Glassmorphism para la Navbar */
.layout-navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.8) !important;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* Motivos decorativos */
.shape-dots {
    position: absolute;
    z-index: -1;
    opacity: 0.2;
}

#variants .card {
    background: white !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02) !important;
}

/* Portfolio Grid Styles */
.portfolio-grid {
    transition: all 0.5s ease;
    min-height: 450px; /* Un poco más de espacio para evitar saltos */
}

.portfolio-item {
    display: none;
}

.portfolio-item.active {
    display: block;
    animation: slideInRight 0.5s ease forwards;
}

.portfolio-item.leaving {
    display: block;
    animation: slideOutLeft 0.5s ease forwards;
}

@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes slideOutLeft {
    from { 
        opacity: 1; 
        transform: translateX(0); 
    }
    to { 
        opacity: 0; 
        transform: translateX(-30px); 
    }
}

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

/* Clients Slider */
.clients-slider-container {
    overflow: hidden;
    padding: 30px 0;
    position: relative;
    width: 100%;
}

.clients-slider {
    display: flex;
    gap: 80px;
    width: max-content;
    align-items: center;
    animation: scroll-clients 50s linear infinite;
}

.clients-slider:hover {
    animation-play-state: paused;
}

@keyframes scroll-clients {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.client-item {
    flex: 0 0 auto;
}

.client-item img {
    height: 40px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.grayscale {
    filter: grayscale(100%);
    transition: all 0.3s ease;
    opacity: 0.7;
}
.grayscale:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.portfolio-card .portfolio-title {
    color: var(--dsyr-dark) !important;
    font-size: 1rem !important;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.x-small { font-size: 0.75rem !important; }

.portfolio-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(47, 43, 61, 0.1) !important;
    border-radius: 0.75rem !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02) !important;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
    background: #fff;
    overflow: hidden;
}

.portfolio-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 12px 24px rgba(47, 43, 61, 0.12) !important;
    border-color: var(--dsyr-primary) !important;
}

.portfolio-card .card-body {
    padding: 1rem !important;
}

.portfolio-card .tab-content {
    min-height: 110px;
    font-size: 0.875rem;
    color: #5d596c;
    padding: 0.75rem 0.25rem;
    line-height: 1.5;
}

.portfolio-card .nav-tabs {
    border-top: 1px solid rgba(47, 43, 61, 0.1);
    background-color: #fcfcff;
    margin: 0;
    display: flex;
    justify-content: space-around;
    border-bottom-left-radius: 0.75rem;
    border-bottom-right-radius: 0.75rem;
    border-bottom: none;
}

.portfolio-card .nav-tabs .nav-item {
    flex: 1;
    margin-bottom: -1px;
}

.portfolio-card .nav-tabs .nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 0.2rem;
    color: #6d6f89;
    border: none;
    border-top: 2px solid transparent;
    border-radius: 0;
    transition: all 0.2s;
    font-size: 0.75rem;
    font-weight: 500;
    width: 100%;
    background: transparent;
}

.portfolio-card .nav-tabs .nav-link i {
    font-size: 1.35rem;
    margin-bottom: 4px;
}

.portfolio-card .nav-tabs .nav-link span {
    display: block;
}

.portfolio-card .nav-tabs .nav-link.active {
    background-color: #fff !important;
    color: var(--dsyr-primary) !important;
    border-top: 2px solid var(--dsyr-primary);
    font-weight: 600;
}

.portfolio-card .nav-tabs .nav-link:hover:not(.active) {
    background-color: rgba(63, 81, 181, 0.03);
    color: var(--dsyr-primary);
}

.portfolio-card .card-img-top {
    height: 160px;
    object-fit: cover;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.avatar-group .avatar {
    margin-right: -10px;
    transition: transform 0.2s ease;
}

.avatar-group .avatar:hover {
    transform: scale(1.1);
    z-index: 5;
}

.icon-base {
    vertical-align: middle;
}

.x-small {
    font-size: 0.8rem !important;
    letter-spacing: 0.3px;
    padding: 0.4em 0.8em !important;
    font-weight: 500;
}