/* ==========================================================================
   RESET Y ESTILOS BASE
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--color-bg-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
}

main {
    flex: 1 0 auto;
}

img, picture, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

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

ul, ol {
    list-style: none;
}

/* ==========================================================================
   TIPOGRAFÍA GENERAL
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.8rem, 2.5vw + 1rem, 2.5rem);
}

h3 {
    font-size: clamp(1.3rem, 1.5vw + 0.8rem, 1.75rem);
}

h4 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

p:last-child {
    margin-bottom: 0;
}

.subtitle-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-secondary);
    background-color: var(--color-accent-pale);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.subtitle-tag-gold {
    color: #9C7238;
    background-color: var(--color-gold-pale);
}

/* ==========================================================================
   CONTENEDORES Y ESPACIADO
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.container-narrow {
    max-width: var(--container-narrow-width);
}

.section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

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

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

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

.section-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary h4 {
    color: var(--text-inverse);
}

.section-primary p {
    color: var(--text-inverse-muted);
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-12);
}

.section-header p {
    font-size: var(--text-md);
    color: var(--text-secondary);
    margin-top: var(--space-3);
}

/* ==========================================================================
   BOTONES CORPORATIVOS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    line-height: 1.2;
    transition: var(--transition-normal);
}

.btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform 0.2s ease;
}

.btn:hover svg {
    transform: translateX(3px);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.btn-accent {
    background-color: var(--color-secondary);
    color: var(--text-inverse);
    border-color: var(--color-secondary);
}

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

.btn-outline-white {
    background-color: transparent;
    color: var(--text-inverse);
    border-color: var(--text-inverse);
}

.btn-outline-white:hover {
    background-color: var(--text-inverse);
    color: var(--color-primary);
}

.btn-white {
    background-color: var(--color-bg-white);
    color: var(--color-primary);
    border-color: var(--color-bg-white);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 16px 34px;
    font-size: var(--text-base);
}

/* ==========================================================================
   CABECERA PRINCIPAL (NAVBAR STICKY LUMINOSA)
   ========================================================================== */

.top-bar {
    background-color: var(--color-primary);
    color: var(--color-accent-light);
    font-size: var(--text-xs);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-links {
    display: flex;
    gap: var(--space-6);
}

.top-bar-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-accent-light);
}

.top-bar-link:hover {
    color: var(--text-inverse);
}

.top-bar-link svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.site-header {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width 0.25s ease;
}

.nav-link:hover {
    color: var(--color-secondary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-secondary);
    font-weight: 700;
}

.nav-cta {
    margin-left: var(--space-2);
}

/* Botón Hamburguesa Móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1100;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* ==========================================================================
   PIE DE PÁGINA CORPORATIVO (FOOTER AZUL MARINO PROFUNDO)
   ========================================================================== */

.site-footer {
    background-color: var(--color-primary);
    color: var(--text-inverse);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
    border-top: 1px solid var(--color-primary-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-logo img {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--color-accent-light);
    font-size: var(--text-sm);
    line-height: 1.7;
}

.footer-col h3 {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-inverse);
    margin-bottom: var(--space-6);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    color: var(--color-accent-light);
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--text-inverse);
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-accent-light);
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    fill: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-contact-item a {
    color: var(--text-inverse);
    font-weight: 600;
}

.footer-contact-item a:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    font-size: var(--text-xs);
    color: var(--color-accent-light);
}

.footer-legal-links {
    display: flex;
    gap: var(--space-6);
}

.footer-legal-links a:hover {
    color: var(--text-inverse);
}

/* ==========================================================================
   BANNER DE COOKIES (RGPD)
   ========================================================================== */

.cookie-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    max-width: 420px;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 35px rgba(27, 47, 65, 0.16);
    padding: var(--space-6);
    z-index: 99999;
    display: none;
}

.cookie-banner.show {
    display: block !important;
    animation: cookieFadeIn 0.4s ease-out forwards;
}

@keyframes cookieFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cookie-banner h4 {
    font-size: var(--text-base);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.cookie-banner p {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.cookie-banner p a {
    color: var(--color-secondary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--space-2);
}

/* ==========================================================================
   ANIMACIONES AL SCROLL (.reveal)
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.15s;
}

.reveal-delay-2 {
    transition-delay: 0.3s;
}

.reveal-delay-3 {
    transition-delay: 0.45s;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .header-container {
        height: 70px;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #FFFFFF;
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--space-8) var(--space-6);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        overflow-y: auto;
        border-top: 1px solid var(--color-border);
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: var(--space-5);
    }

    .nav-link {
        font-size: var(--text-md);
        display: block;
        width: 100%;
        padding: var(--space-2) 0;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--space-4);
        width: 100%;
    }

    .nav-cta .btn {
        width: 100%;
    }

    .site-footer {
        text-align: center !important;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-8) !important;
        text-align: center !important;
    }

    .footer-brand {
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
    }

    .footer-logo {
        display: flex !important;
        justify-content: center !important;
        width: 100% !important;
        margin: 0 auto !important;
    }

    .footer-logo img {
        margin: 0 auto !important;
    }

    .footer-brand p {
        text-align: center !important;
        max-width: 460px !important;
        margin: 0 auto !important;
        width: 100% !important;
    }

    .footer-col {
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        width: 100% !important;
    }

    .footer-col h3 {
        text-align: center !important;
        width: 100% !important;
    }

    .footer-col h3::after {
        left: 50% !important;
        transform: translateX(-50%) !important;
    }

    .footer-links {
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
    }

    .footer-links a,
    .footer-links p,
    .footer-links span {
        text-align: center !important;
        width: 100% !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }

    .footer-links a:hover {
        transform: none !important;
    }

    .footer-contact-item {
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }

    .footer-contact-item div {
        text-align: center !important;
    }

    .footer-contact-item div a,
    .footer-contact-item div span {
        text-align: center !important;
        display: block !important;
    }

    .footer-bottom {
        flex-direction: column !important;
        gap: var(--space-4) !important;
        text-align: center !important;
        align-items: center !important;
        width: 100% !important;
    }

    .footer-copyright {
        text-align: center !important;
        width: 100% !important;
    }

    .footer-legal-links {
        flex-wrap: wrap !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
    }

    .cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
        max-width: none;
    }

    .cookie-actions {
        flex-direction: column;
        width: 100%;
        gap: var(--space-2);
    }

    .cookie-actions .btn {
        width: 100%;
        justify-content: center;
    }
}