/* ====================================================================
   DISEÑO MODERNO CONTABILIDAD
   Colores: Azul Corporativo & Verde Institucional
   ==================================================================== */
:root {
    --conta-dark: #0f172a;       /* Slate 900 */
    --conta-primary: #1e40af;    /* Blue 800 */
    --conta-accent: #3b82f6;     /* Blue 500 */
    --conta-light: #eff6ff;      /* Blue 50 */
    --green-primary: #198754;    /* Verde Institucional */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-800: #334155;
    --gray-900: #0f172a;
    --shadow-soft: 0 10px 40px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 15px 50px rgba(59, 130, 246, 0.2);
    --border-radius: 24px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--conta-dark);
}

/* =======================================
   FLOATING NAVBAR (Estilo Píldora)
   ======================================= */
.navbar-wrapper {
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 50px;
    padding: 10px 30px;
    box-shadow: var(--shadow-soft);
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 40px;
    transition: var(--transition);
}

.nav-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    color: var(--conta-dark);
    font-size: 1.3rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-brand span {
    color: var(--conta-accent);
}

.menu ul {
    display: flex;
    gap: 25px;
    list-style: none;
    align-items: center;
}

.menu a {
    text-decoration: none;
    color: var(--gray-800);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.menu a:hover {
    color: var(--conta-accent);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--conta-dark);
}

/* Dropdown básico */
.dropdown {
    position: relative;
}
.dropdown ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    padding: 15px;
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    min-width: 200px;
}
.dropdown:hover ul {
    display: flex;
}
.dropdown ul li {
    width: 100%;
}
.dropdown ul a {
    display: block;
    padding: 8px 0;
}

/* =======================================
   HERO BENTO
   ======================================= */
.hero-split {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 5% 60px;
    background: radial-gradient(circle at top left, var(--conta-light), var(--white) 50%);
    position: relative;
    gap: 50px;
}

.hero-text {
    flex: 1;
    z-index: 2;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--white);
    color: var(--conta-primary);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 25px;
    border: 1px solid rgba(30, 64, 175, 0.2);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.hero-text h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.hero-text h1 span {
    background: linear-gradient(45deg, var(--conta-primary), var(--conta-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--gray-800);
    margin-bottom: 40px;
    max-width: 500px;
}

.btn-primary {
    background: var(--conta-accent);
    color: var(--white);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    display: inline-block;
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: var(--conta-primary);
}

.hero-visuals {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
}

.bento-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
    background: var(--white);
    padding: 30px;
}

.bento-img {
    grid-column: 1 / 3;
    padding: 0;
    height: 350px;
}

.bento-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bento-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--conta-primary);
    color: var(--white);
}
.bento-icon h3 {
    color: var(--conta-light);
    font-size: 1.5rem;
    margin-top: 10px;
}

.bento-icon-accent {
    background: var(--conta-accent);
}
.bento-icon-accent h3 {
    color: var(--white);
}

/* =======================================
   INTERACTIVE TABS (Información Contabilidad)
   ======================================= */
.tabs-section {
    padding: 100px 5%;
    background: var(--gray-50);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--conta-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tabs-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--gray-100);
}

.tab-btn {
    flex: 1;
    padding: 25px 20px;
    background: none;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--gray-800);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.tab-btn.active {
    color: var(--conta-primary);
    border-bottom-color: var(--conta-primary);
    background: var(--conta-light);
}

.tab-btn:hover:not(.active) {
    background: var(--gray-50);
}

.tab-body {
    padding: 50px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

.tab-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.tab-content-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--conta-dark);
}

.tab-content-text p {
    color: var(--gray-800);
    line-height: 1.7;
}

.tab-content-text ul {
    list-style: none;
    margin-top: 20px;
}

.tab-content-text ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.tab-content-text ul li::before {
    content: '✔️';
    color: var(--conta-accent);
}

.tab-img {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}
.tab-img img {
    width: 100%;
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* =======================================
   SERVICES GRID
   ======================================= */
.services-section {
    padding: 100px 5%;
    background: var(--conta-dark);
    color: var(--white);
}

.services-section .section-title h2,
.services-section .section-title p {
    color: var(--white);
}
.services-section .section-title p {
    color: var(--conta-accent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--conta-accent);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h4 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.service-card p {
    color: rgba(255, 255, 255, 0.7);
}

/* =======================================
   PORTFOLIO MASONRY (Generado dinámicamente)
   ======================================= */
.portfolio-section {
    padding: 100px 5%;
    background: var(--white);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--gray-100);
    border-radius: 50px;
    background: var(--white);
    color: var(--gray-800);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--conta-primary);
    color: var(--white);
    border-color: var(--conta-primary);
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.masonry-item {
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 4/3;
    background: var(--gray-100);
    animation: fadeIn 0.5s ease;
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.masonry-item:hover img {
    transform: scale(1.1);
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.masonry-item:hover .item-overlay {
    transform: translateY(0);
}

.item-overlay h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.item-overlay p {
    color: var(--conta-accent);
    font-size: 0.9rem;
}

/* =======================================
   RESPONSIVE
   ======================================= */
@media (max-width: 992px) {
    .hero-split {
        flex-direction: column;
        padding-top: 150px;
    }
    .hero-text h1 {
        font-size: 3rem;
    }
    .tab-content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        width: 90%;
        justify-content: space-between;
    }
    .menu {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .tabs-header {
        flex-direction: column;
    }
    .tab-btn {
        border-bottom: none;
        border-left: 4px solid transparent;
        text-align: left;
    }
    .tab-btn.active {
        border-left-color: var(--conta-primary);
    }
}