/**
 * BERKANA Inmobiliaria - Estilos principales
 * Variables CSS dinámicas (sobrescritas desde PHP en fases posteriores)
 */

:root {
    --color-primary: #2C2C2C;
    --color-secondary: #5A5A5A;
    --color-accent: #C9A962;
    --color-accent-hover: #b8994f;
    --color-background: #FAF8F5;
    --color-surface: #FFFFFF;
    --color-text: #2C2C2C;
    --color-text-secondary: #6B6B6B;
    --color-border: #E8E4DF;
    --color-overlay: rgba(44, 44, 44, 0.45);

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-sm: 0 2px 8px rgba(44, 44, 44, 0.06);
    --shadow-md: 0 4px 20px rgba(44, 44, 44, 0.08);
    --shadow-lg: 0 8px 40px rgba(44, 44, 44, 0.12);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition: 0.3s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-primary);
}

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

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

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

.btn-berkana {
    background-color: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #fff;
    padding: 0.75rem 2rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-berkana:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-berkana-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-berkana-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

.section-padding {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.text-accent {
    color: var(--color-accent);
}

.bg-surface {
    background-color: var(--color-surface);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}