/* ========================================
   IMPORT GOOGLE FONTS
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Epilogue:wght@300;400;500;600;700&display=swap');

/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
    /* Colores */
    --color-primary: #3c3c3b;
    --color-secondary: #ffffff;
    --color-text: #3c3c3b;
    --color-text-light: #666666;
    --color-accent: #ffe000;
    --color-border: #e0e0e0;
    --color-bg-light: #f8f8f8;
    
    /* Tipografía */
    --font-primary: 'Epilogue', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Contenedores */
    --container-max-width: 1600px;
    --container-padding: 2rem;
}

/* ========================================
   RESET Y BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Aplicar fuente a formularios */
input, textarea, select, button {
    font-family: var(--font-primary);
}

/* ========================================
   TIPOGRAFÍA
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

.logo-link:hover {
    opacity: 0.8;
}

/* ========================================
   UTILIDADES
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   HEADER / NAVEGACIÓN
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-secondary);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav {
    padding: 1.5rem 0;
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}

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

.nav-menu li + li {
    padding-left: var(--spacing-sm);
    margin-left: var(--spacing-sm);
    border-left: 1px solid var(--color-border);
}

.nav-menu a {
    font-size: 0.9375rem;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0;
    border: none;
    border-radius: 0;
    background: transparent;
    text-decoration: none;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.7;
    color: var(--color-primary);
}

.nav-menu a.active {
    color: var(--color-primary);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    margin-top: 80px; /* Compensar header fijo */
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    filter: brightness(0.6);
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    justify-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 820px;
    text-align: center;
}

.hero-title {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(2.85rem, 7.5vw, 5.5rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5), 0 2px 12px rgba(0,0,0,0.4);
}

.hero-tagline {
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.6), 0 2px 6px rgba(0,0,0,0.4);
}

.hero-text {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.6), 0 2px 6px rgba(0,0,0,0.4);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.hero-buttons .btn {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: 3px solid var(--color-accent);
}

.hero-buttons .btn:hover {
    background-color: #ffeb33;
    border-color: #ffeb33;
    color: var(--color-primary);
    opacity: 1;
}

/* ========================================
   BOTONES - mismo diseño que "Ver todos los servicios" (puntas redondeadas)
   ======================================== */
.btn {
    font-family: var(--font-primary);
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 3px solid #9e9e9e;
    border-radius: 12px;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: #9e9e9e;
}

.btn-primary:hover {
    background-color: var(--color-accent);
    color: #2D3133;
    border-color: var(--color-accent);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: #9e9e9e;
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: #2D3133;
    border-color: var(--color-accent);
}

/* ========================================
   SERVICIOS SECTION
   ======================================== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-secondary);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-md);
}

.service-title {
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    color: var(--color-primary);
    text-align: center;
}

.service-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ========================================
   CLIENTES SECTION
   ======================================== */
.clients {
    padding: var(--spacing-xl) 0;
    background-color: #e8e8e8;
    width: 100%;
}

/* ========================================
   CTA FINAL SECTION
   ======================================== */
.cta-final {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-secondary);
}

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

.cta-title {
    margin-bottom: var(--spacing-sm);
    font-weight: 300;
}

.cta-text {
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.cta-final .btn {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: 3px solid var(--color-accent);
}

.cta-final .btn:hover {
    background-color: #ffeb33;
    border-color: #ffeb33;
    color: var(--color-primary);
    opacity: 1;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-primary);
    border-top: none;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 300px;
}

.footer-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-info-list li {
    font-size: 0.9375rem;
    color: #ffffff;
    line-height: 1.6;
}

.footer-text {
    font-size: 0.9375rem;
    color: #ffffff;
    margin: 0;
    line-height: 1.6;
}

.footer-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-btn {
    padding: 0.75rem 2rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 3px solid #ffffff;
    border-radius: 12px;
    background-color: transparent;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.footer-btn:hover {
    background-color: #ffffff;
    color: var(--color-primary);
    opacity: 1;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    opacity: 1;
}

.footer-social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .footer-info {
        min-width: auto;
        width: 100%;
    }
    
    .footer-actions {
        justify-content: center;
        width: 100%;
    }
    
    .footer-btn {
        width: 100%;
        text-align: center;
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 968px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .nav-menu li + li {
        margin-left: var(--spacing-xs);
        padding-left: var(--spacing-xs);
    }
    
    .nav-menu a {
        font-size: 0.875rem;
    }
    
}

@media (max-width: 768px) {
    body {
        padding-top: 100px;
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .logo-img {
        height: 36px;
    }
    
    .nav {
        padding: 1.25rem 0;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero {
        margin-top: 80px;
        padding: var(--spacing-lg) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }
}