/* Fuente de letra */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #4F46E5;
    --color-primary-dark: #3730A3;
    --color-secondary: #A5B4FC;
    --color-tertiary: #F5F3FF;
    --color-neutral: #1E1B4B;
    --color-neutral-light: #312E81;
    --color-text: #1E1B4B;
    --color-text-muted: #6B7280;
    --color-white: #FFFFFF;
    --color-border: #E0E7FF;

    --font-main: 'Hanken Grotesk', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-card: 0 2px 16px rgba(79, 70, 229, 0.08);
    --shadow-btn: 0 4px 14px rgba(79, 70, 229, 0.25);

    --nav-height: 68px;
    --max-width: 1200px;
}

/* Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-tertiary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utilidades */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-neutral);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    text-align: center;
    max-width: 560px;
    margin: 0 auto 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 0.9735rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: var(--shadow-btns);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--color-neutral);
    font-family: var(--font-main);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(79, 70, 229, 0.04);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    height: var(--nav-height);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-btn-contacto {
    background: var(--color-primary);
    color: #fff !important;
    padding: 8px 18px !important;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    margin-left: 8px;
    transition: background 0.2s, transform 0.15s;
    box-shadow: var(--shadow-btn);
}

.nav-btn-contacto:hover {
    background: var(--color-primary-dark) !important;
    transform: translateY(-1px);
}

/* Logo */
.header-logo a {
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 78px;
    width: auto;
}

/* Nav */
.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-nav a {
    position: relative;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.header-nav a:hover {
    color: var(--color-primary);
    background: rgba(79, 70, 229, 0.06);
}

.header-nav a.active {
    color: var(--color-primary);
    font-weight: 600;
}

.header-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-neutral);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3;
}

/* Footer */
.site-footer {
    background: #16161A;
}

.footer-bar {
    background: #16161A;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 48px 0 32px;
}

.footer-bar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
}

/* Columna 1: marca */
.footer-brand-col img {
    height: 78px;
    width: auto;
    margin-bottom: 12px;
}

.footer-brand {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 12px;
}

.footer-brand-desc {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.7;
    max-width: 240px;
    text-align: left;
}

/* Columna 2: navegación */
.footer-nav-col h4,
.footer-services-col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-secondary);
}

/* Columna 3: servicios */
.footer-services-col .footer-links a::before {
    content: '→ ';
    color: var(--color-primary);
}

/* Barra inferior */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 24px;
    max-width: var(--max-width);
    margin: 32px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-copy span {
    color: var(--color-secondary);
}

@media (max-width: 768px) {
    .footer-bar-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Responsive */
@media (max-width: 768px) {

    .header-nav { 
        display: none; 
        position: absolute; 
        top: var(--nav-height); 
        left: 0; 
        right: 0; 
        background: var(--color-white); 
        flex-direction: column; 
        align-items: stretch; 
        padding: 12px 16px 20px; 
        border-bottom: 1px solid var(--color-border); gap: 2px; } 

    .header-nav.open { 
        display: flex; 
    } 
    .header-nav a.active::after { 
        display: none; 
    } 
    .hamburger { 
        display: flex; 
    } 
    .contact-grid { 
        grid-template-columns: 1fr; 
    }

    .footer-bar-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2.5rem;
    }

    .footer-brand-col,
    .footer-nav-col,
    .footer-services-col {
        width: 100%;
        max-width: 320px;
    }

    .footer-brand-col img {
        width: 140px;
        margin: 0 auto 1rem;
        display: block;
    }

    .footer-brand {
        display: block;
        font-size: 1.8rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .footer-brand-desc {
        max-width: 280px;
        margin: 0 auto;
        line-height: 1.8;
    }

    .footer-nav-col h4,
    .footer-services-col h4 {
        margin-bottom: 1rem;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.9rem;
        align-items: center;
    }

    .footer-bottom {
        display: flex;
        flex-direction: column;
        gap: .5rem;
        text-align: center;
        margin-top: 2rem;
    }
}