/* ==========================================
   HOJA DE ESTILOS COMPARTIDA — PÁGINAS LEGALES
   Air System / AIRA

   Copia fiel de las variables, el header, el footer y los
   componentes tipográficos ya existentes en index.html, para que
   estas páginas se vean exactamente igual que el resto de la web.
   No se ha inventado ningún color, fuente ni espaciado nuevo.
   ========================================== */

:root {
    /* Mismo sistema de diseño que index.html — ver comentarios ahí
       para el razonamiento completo de la paleta (tinta + ámbar
       "señal" + verde-azulado "circuito"). */
    --bg-primary: #0a0a0d;
    --bg-secondary: #131316;
    --bg-tertiary: #1b1b1f;
    --bg-elevated: #202024;

    --accent-primary: #4a90d9;
    --accent-primary-dark: #3a78b5;
    --accent-primary-rgb: 74, 144, 217;

    --accent-secondary: #2fbf9f;
    --accent-secondary-dark: #229b80;
    --accent-secondary-rgb: 47, 191, 159;

    --accent-tertiary: #8b93a7;
    --accent-tertiary-rgb: 139, 147, 167;

    --text-primary: #f3f1ea;
    --text-secondary: #b3aea2;
    --text-tertiary: #83796d;
    --border-color: rgba(243, 241, 234, 0.08);
    --border-color-hover: rgba(243, 241, 234, 0.18);
    --success: #2fbf9f;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

    --spacing-xs: 0.375rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.125rem;
    --spacing-lg: 1.75rem;
    --spacing-xl: 2.75rem;
    --spacing-2xl: 4.5rem;
    --spacing-3xl: 7rem;

    --radius-sm: 0.35rem;
    --radius-md: 0.6rem;
    --radius-lg: 0.9rem;
    --radius-xl: 1.3rem;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 20px -8px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px -14px rgba(0, 0, 0, 0.55), 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 28px 56px -18px rgba(0, 0, 0, 0.6);
    --shadow-glow-primary: 0 10px 24px -10px rgba(var(--accent-primary-rgb), 0.32), 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-glow-secondary: 0 10px 24px -10px rgba(var(--accent-secondary-rgb), 0.28), 0 2px 8px rgba(0, 0, 0, 0.35);

    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-image:
        linear-gradient(rgba(243, 241, 234, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(243, 241, 234, 0.035) 1px, transparent 1px),
        radial-gradient(1400px 700px at 50% -12%, rgba(var(--accent-primary-rgb), 0.07), transparent 60%);
    background-size: 56px 56px, 56px 56px, 100% 100%;
    background-color: var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.65;
    font-weight: 400;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

::selection {
    background: rgba(var(--accent-primary-rgb), 0.35);
    color: var(--text-primary);
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: var(--transition);
}

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

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-tertiary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   HEADER Y NAVEGACIÓN (idéntico a index.html)
   ========================================== */

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    transform: translateZ(0);
    will-change: transform;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    text-transform: uppercase;
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    font-family: var(--font-display);
    transition: var(--transition-fast);
}

.logo::before {
    content: '';
    align-self: center;
    width: 7px;
    height: 7px;
    border-radius: 1px;
    background: var(--accent-primary);
}

.logo:hover {
    color: var(--text-primary);
}

.logo:hover::before {
    background: var(--accent-secondary);
}

.logo span {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

nav {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

nav a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
    font-weight: 500;
    letter-spacing: -0.2px;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition);
    border-radius: 1px;
}

nav a:hover {
    color: var(--text-primary);
}

nav a:hover::after {
    width: 100%;
}

.nav-mobile-toggle {
    display: none;
    background: none;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.cta-button {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.55rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--accent-primary);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.3;
    font-family: var(--font-mono);
}

.price-old {
    font-family: var(--font-mono);
    text-decoration: line-through;
    opacity: 0.6;
    font-weight: 500;
    font-size: 0.7em;
    letter-spacing: 0;
}

.price-offer {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0.01em;
}

.cta-button:hover {
    background: var(--accent-primary-dark);
    border-color: var(--accent-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   BOTONES (idénticos a index.html)
   ========================================== */

.btn {
    padding: 1.05rem 2.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.1px;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-primary-dark);
    border-color: var(--accent-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color-hover);
}

.btn-secondary:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* ==========================================
   CONTENIDO LEGAL
   ========================================== */

.legal-intro {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-xl) 0;
}

.legal-intro h1 {
    font-size: 2.65rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -1.1px;
    color: var(--text-primary);
}

.legal-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.legal-updated {
    display: inline-block;
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.4rem 0.9rem;
}

.legal-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 0 var(--spacing-3xl) 0;
}

.legal-content section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.legal-content section:last-child {
    border-bottom: none;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.legal-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.2px;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.legal-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.legal-content ul,
.legal-content ol {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0 0 var(--spacing-md) 0;
    padding-left: 1.3rem;
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
}

.legal-content li::marker {
    color: var(--accent-secondary);
}

.legal-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.legal-content a {
    color: var(--accent-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.legal-content .legal-data-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.legal-content .legal-data-box dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
}

.legal-content .legal-data-box dt {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.legal-content .legal-data-box dd {
    color: var(--text-primary);
    font-weight: 500;
}

.legal-content .legal-pending {
    color: var(--accent-secondary);
    font-weight: 600;
}

.legal-back {
    display: inline-block;
    color: var(--text-tertiary);
    font-size: 0.95rem;
    padding-top: var(--spacing-lg);
}

.legal-back:hover {
    color: var(--text-primary);
}

.legal-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md) var(--spacing-lg);
}

/* ==========================================
   FOOTER (idéntico a index.html)
   ========================================== */

footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    margin-top: var(--spacing-3xl);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--accent-primary-rgb), 0.4), transparent);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
    padding-left: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-tertiary);
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    display: inline-block;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-links a {
    padding: 0.7rem 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
}

.social-links a:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 5rem;
    }

    .header-content {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(180deg, var(--bg-secondary), var(--bg-tertiary));
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        z-index: 999;
    }

    nav.active {
        display: flex;
    }

    nav a::after {
        display: none;
    }

    nav a {
        padding: var(--spacing-sm) 0;
    }

    .nav-mobile-toggle {
        display: block;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .legal-intro h1 {
        font-size: 2.1rem;
    }

    .legal-content h2 {
        font-size: 1.3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.75rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 4rem;
    }

    .header-content {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .logo {
        font-size: 1.1rem;
        letter-spacing: 0.08em;
        font-weight: 800;
    }

    .cta-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
        font-weight: 600;
    }

    .legal-intro h1 {
        font-size: 1.8rem;
    }

    .legal-content .legal-data-box dl {
        grid-template-columns: 1fr;
        gap: 0.15rem 0;
    }

    .legal-content .legal-data-box dd {
        margin-bottom: var(--spacing-xs);
    }

    .social-links {
        flex-wrap: wrap;
    }

    .social-links a {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}