/* =========================================
   GRUPO CUNA - ESTILO PREMIUM
   ========================================= */

/* --- CSS Variables --- */
:root {
    /* Colors */
    --clr-bg-soft: #CDCDF6;
    --clr-accent: #362012;
    --clr-primary: #162251;
    --clr-white: #ffffff;
    --clr-light: #fdfdfd;
    --clr-border: rgba(22, 34, 81, 0.12);
    
    /* Typography */
    --font-text: 'KoHo', sans-serif;
    --font-title: 'Raleway', sans-serif;
    --font-script: 'Petit Formal Script', cursive;
    
    /* Elements */
    --radius-box: 8px;
    --radius-btn: 4px;
    --transition: all 0.3s ease;
}

/* --- Resets & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-text);
    color: var(--clr-primary);
    background-color: var(--clr-light);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--clr-primary);
    font-weight: 500;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    transition: var(--transition);
}

/* --- Layout Wrappers --- */
.hero-container,
.concepts-container,
.about-container,
.footer-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Botones y Badges --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-text);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    border: 1px solid var(--clr-primary);
}

.btn-primary:hover {
    background-color: var(--clr-accent);
    border-color: var(--clr-accent);
}

.btn-secondary {
    background-color: var(--clr-accent);
    color: var(--clr-white);
    border: 1px solid var(--clr-accent);
}

.btn-secondary:hover {
    background-color: var(--clr-primary);
    border-color: var(--clr-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
}

.btn-outline:hover {
    background-color: var(--clr-bg-soft);
}

.btn-block {
    width: 100%;
    margin-top: 24px;
}

.btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-text);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 14px;
    border-radius: var(--radius-btn);
    background-color: var(--clr-white);
    color: var(--clr-primary);
    border: 1px solid var(--clr-border);
}

.btn-small:hover {
    border-color: var(--clr-primary);
    background-color: var(--clr-bg-soft);
}

.badge-accent {
    display: inline-block;
    font-family: var(--font-script);
    font-size: 1.4rem;
    color: var(--clr-accent);
    margin-bottom: 24px;
}

/* --- HERO SECTION --- */
.hero {
    background-color: var(--clr-bg-soft);
    padding: 60px 0 50px;
    position: relative;
    border-bottom: 1px solid var(--clr-border);
}

.hero-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.logo-wrapper {
    margin: 0 auto 24px;
    max-width: 220px;
}

.logo-main {
    width: 100%;
    object-fit: contain;
}

.hero-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--clr-primary);
    line-height: 1.2;
}

.hero-description {
    font-size: 1rem;
    color: var(--clr-primary);
    opacity: 0.85;
    margin-bottom: 16px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- CONCEPTS SECTION --- */
.concepts {
    padding: 60px 0;
    background-color: var(--clr-light);
}

.concepts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    align-items: stretch;
}

.concept-card {
    background-color: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-box);
    display: flex;
    flex-direction: column;
    padding: 32px;
    transition: var(--transition);
}

.concept-card:hover {
    border-color: rgba(22, 34, 81, 0.3);
    box-shadow: 0 10px 30px rgba(22, 34, 81, 0.05);
}

.card-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--clr-border);
}

.card-logo-wrapper {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.concept-logo {
    max-height: 100%;
    max-width: 160px;
    object-fit: contain;
}

.concept-badge {
    font-family: var(--font-title);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--clr-accent);
    font-weight: 600;
}

.card-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.concept-description {
    font-size: 0.95rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 32px;
    color: var(--clr-primary);
    opacity: 0.9;
}

.action-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: auto;
}

.action-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.group-title {
    font-family: var(--font-title);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-primary);
    opacity: 0.6;
    margin-bottom: 10px;
}

.btn-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

/* --- ABOUT SECTION --- */
.about {
    padding: 20px 0 60px;
    background-color: var(--clr-light);
}

.about-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.separator-fine {
    width: 40px;
    height: 1px;
    background-color: var(--clr-accent);
    margin: 0 auto 24px auto;
    opacity: 0.5;
}

.about-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--clr-primary);
}

.about-text {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--clr-primary);
    opacity: 0.8;
    margin-bottom: 24px;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    padding: 30px 0;
    text-align: center;
}

.footer-logo {
    max-width: 90px;
    margin: 0 auto 12px;
}

.footer-status {
    font-family: var(--font-title);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
    color: var(--clr-white);
}

.footer-promise {
    font-size: 0.8rem;
    font-weight: 300;
    opacity: 0.7;
    font-family: var(--font-text);
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 768px) {
    .hero {
        padding: 50px 0 40px;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .logo-wrapper {
        max-width: 180px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .concepts {
        padding: 40px 0;
    }
    
    .concept-card {
        padding: 24px;
    }
    
    .card-logo-wrapper {
        height: 70px;
    }
    
    .concept-logo {
        max-width: 140px;
    }
}