:root {
    --primary-blue: #1E3A5F;
    --primary-blue-dark: #12253e;
    --cta-gold: #B8860B;
    --cta-gold-hover: #D4AF37;
    --light-grey: #F8F9FA;
    --text-dark: #2c3e50;
    --text-muted: #64748b;
    --header-height-initial: 100px;
    --header-height-scrolled: 70px;
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: #FFFFFF;
    line-height: 1.7;
    margin-top: var(--header-height-initial);
    padding-top: 0;
    font-weight: 400;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height-scrolled);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-post {
    max-width: 760px;
    /* Reducido levemente para mejor lectura */
    margin: 0 auto;
    padding: 20px;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 58, 95, 0.98);
    /* Ligera transparencia */
    backdrop-filter: blur(10px);
    /* Efecto vidrio (Glassmorphism) */
    z-index: 1000;
    transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease;
    height: var(--header-height-initial);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    /* Separador re sutil */
}

.header.scrolled {
    height: var(--header-height-scrolled);
    background: rgba(30, 58, 95, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.hamburger {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 1.05em;
    position: relative;
    /* Para la animación de la linea */
}

/* Animación sutil de subrayado para el menú web */
.nav-menu a:not(.cta-button)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--cta-gold);
    transition: width 0.3s ease;
}

.nav-menu a:not(.cta-button):hover::after {
    width: 100%;
}

.nav-menu a:not(.cta-button):hover {
    color: #FFF;
}

.header.scrolled .nav-menu a:not(.cta-button) {
    font-size: 0.95em;
}

.header.scrolled .cta-button {
    padding: 10px 20px;
    font-size: 0.95em;
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-blue);
    line-height: 1.2;
}

h1 {
    font-size: 4em;
    margin-bottom: 30px;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.8em;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--cta-gold) 0%, #9A6F08 100%);
    color: white !important;
    text-decoration: none;
    border-radius: 8px;
    /* Redondeo más moderno */
    font-size: 1.15em;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.25);
    /* Sombra dorada */
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: linear-gradient(135deg, var(--cta-gold-hover) 0%, var(--cta-gold) 100%);
    transform: translateY(-3px);
    /* Efecto de levantamiento */
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.35);
}

.cta-button:active {
    transform: translateY(0px);
}

.section {
    padding: 100px 8%;
    min-height: auto;
}

#impacto,
#servicios,
#blog,
body.blog-body {
    background-color: var(--light-grey);
}

#sobremi {
    background-color: #FFFFFF;
    /* Más puro */
    border-top: 1px solid #F0F0F0;
    border-bottom: 1px solid #F0F0F0;
}

#hero {
    /* Degradado oscuro para hero */
    background: linear-gradient(to bottom, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
}

#hero h1 {
    color: white;
}

#hero p {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

#recursos {
    padding: 80px 10%;
    text-align: center;
    background-color: var(--primary-blue);
    background-image: radial-gradient(circle at top right, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    color: white;
}

#recursos h3 {
    color: white;
    font-size: 2.2em;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

/* Tarjetas Premium */
.card {
    padding: 40px;
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-radius: 16px;
    text-align: left;
    /* Alineado a la izquierda suele verse más pro */
    background-color: white;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-soft);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.card h3,
.card h4 {
    margin-top: 0;
}

blockquote {
    border-left: 4px solid var(--cta-gold);
    padding: 25px 30px;
    background-color: #ffffff;
    margin: 40px 0;
    font-style: italic;
    font-size: 1.25em;
    color: var(--text-dark);
    border-radius: 0 12px 12px 0;
    box-shadow: var(--shadow-soft);
    line-height: 1.6;
}

.micro-cta {
    color: var(--cta-gold) !important;
    /* Resalta más en dorado */
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-top: 15px;
    font-size: 1.05em;
    transition: transform 0.2s;
}

.micro-cta:hover {
    transform: translateX(5px);
}

/* RRSS */
.contact-icons {
    margin-top: 15px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 25px;
}

.contact-icons a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5em;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
}

.contact-icons a:hover {
    color: white;
    background-color: var(--cta-gold);
    transform: translateY(-3px);
}

/* Blog Specific */
.blog-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 60px;
    padding: 50px 0;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
    /* Importante para el sticky sidebar */
}

.post-card {
    display: flex;
    margin-bottom: 40px;
    padding-bottom: 0;
    border-bottom: none;
    background-color: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.post-card img {
    width: 35%;
    min-width: 200px;
    height: 250px;
    /* Fijo para uniformidad */
    object-fit: cover;
    margin-right: 35px;
    border-radius: 12px;
}

.post-card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-card-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.9em;
    margin-top: 5px;
    margin-bottom: 12px;
    line-height: 1.3;
}

.post-card-content h3 a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s;
}

.post-card-content h3 a:hover {
    color: var(--cta-gold);
}

.post-meta {
    color: var(--text-muted);
    font-size: 0.9em;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.sidebar {
    position: sticky;
    top: 100px;
    /* Distancia al header scrolled */
}

.sidebar-widget {
    margin-bottom: 30px;
    padding: 30px;
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
}

.sidebar-widget h4 {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--cta-gold);
    padding-bottom: 15px;
    margin-top: 0;
    font-size: 1.4em;
}

.sidebar-widget ul {
    list-style: none;
    padding: 0;
}

.sidebar-widget ul li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-widget ul li:last-child {
    border-bottom: none;
}

.sidebar-widget ul a {
    color: var(--text-dark);
    text-decoration: none;
    line-height: 1.6;
    display: block;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-widget ul a:hover {
    color: var(--cta-gold);
    padding-left: 8px;
    /* Sutil movimiento hacia la derecha */
}

/* Post Interno (Lectura Premium) */
.container-post h1 {
    font-size: 3.5em;
    letter-spacing: -1px;
}

.container-post p {
    font-size: 1.15em;
    color: #334155;
    /* Un gris super oscuro y moderno */
    letter-spacing: -0.01em;
}

.container-post ul,
.container-post ol {
    list-style: none;
    padding: 0;
}

.container-post ul li,
.container-post ol li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.15em;
    color: #334155;
    line-height: 1.6;
}

.container-post ul li::before {
    content: "•";
    color: var(--cta-gold);
    font-size: 1.8em;
    position: absolute;
    left: 0;
    top: -5px;
}

.cta-final {
    background-color: var(--primary-blue);
    color: white;
    padding: 50px;
    text-align: center;
    border-radius: 16px;
    margin-top: 60px;
    box-shadow: var(--shadow-soft);
}

.cta-final h4 {
    color: var(--cta-gold);
    font-size: 2em;
    font-family: 'Playfair Display', serif;
    margin-top: 0;
}

.cta-final p {
    color: rgba(255, 255, 255, 0.9);
}

/* Animaciones On Scroll (Fade In Up) */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.header-cta {
    margin-left: 20px;
}

@media (max-width: 992px) {
    h1 {
        font-size: 3em;
    }

    h2 {
        font-size: 2.3em;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .sidebar {
        position: static;
    }

    .post-card {
        flex-direction: column;
        padding: 30px;
    }

    .post-card img {
        width: 100%;
        margin-right: 0;
        margin-bottom: 25px;
        height: 200px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 0;
        margin-top: var(--header-height-scrolled); /* Restauramos el margen para el menú fijo */
    }

    h1 {
        font-size: 2.5em !important;
    }

    h2 {
        font-size: 2em !important;
    }

    .section {
        padding: 50px 5%;
        min-height: auto;
    }

    .header {
        position: fixed; /* Vuelve a ser flotante en móvil */
        height: auto;
        padding: 10px 0;
        background: rgba(30, 58, 95, 0.85);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .hamburger {
        display: block;
        color: white;
        font-size: 1.8em;
        cursor: pointer;
        padding-right: 20px;
    }

    .nav-menu {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap; /* Permite que nav-links pase abajo de la hamburguesa */
        gap: 0;
    }

    .nav-links {
        display: none; /* Oculto por defecto */
        width: 100%;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-menu a {
        margin: 5px;
        font-size: 0.95em;
    }

    .card {
        padding: 25px;
    }

    #sobremi div {
        flex-direction: column;
        text-align: center;
    }

    .cta-button {
        font-size: 1.1em;
        padding: 15px 25px;
        width: 100%;
        box-sizing: border-box;
    }

    .header .cta-button {
        width: auto; /* El botón del menú vuelve a ser compacto */
        font-size: 0.95em;
        padding: 10px 20px;
        margin-top: 10px;
        margin-left: 0; /* Evita que el botón se descentre por el margen de la versión de compu */
    }

    .container-post {
        padding: 15px;
    }

    .container-post h1 {
        font-size: 2.2em !important;
    }

    .cta-final {
        padding: 30px 20px;
    }
}