/* ═══════════════════════════════════════════════════════════════
   AJ ESTUDIO — Componentes
═══════════════════════════════════════════════════════════════ */

/* ─── Header ──────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background-color: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(12px) saturate(120%);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
    z-index: var(--z-sticky);
    transition: height var(--duration-base) var(--ease-out), background-color var(--duration-base) var(--ease-out), border-color var(--duration-base);
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    height: var(--header-height-scrolled);
    background-color: rgba(250, 248, 245, 0.96);
    border-bottom-color: var(--color-line);
}

.site-header__inner {
    height: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-7);
}

.site-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: opacity var(--duration-fast);
}
.site-brand:hover { opacity: 0.7; }
.site-brand__mark {
    width: 36px; height: 36px;
    transition: transform var(--duration-base) var(--ease-out);
}
.site-brand:hover .site-brand__mark { transform: rotate(-5deg); }
.site-brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.site-brand__name {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: var(--fw-medium);
    color: var(--color-graphite);
    letter-spacing: -0.01em;
}
.site-brand__tag {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-graphite-mid);
    margin-top: 4px;
    font-weight: var(--fw-medium);
}

/* Navegación principal */
.site-nav { display: flex; justify-content: center; }
.site-nav__list {
    display: flex;
    gap: var(--space-7);
    align-items: center;
}
.site-nav__link {
    position: relative;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-graphite);
    padding: var(--space-2) 0;
    transition: color var(--duration-fast) var(--ease-out);
}
.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 1px;
    background-color: var(--color-burgundy);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out);
}
.site-nav__link:hover::after,
.site-nav__link.is-active::after { transform: scaleX(1); }
.site-nav__link.is-active { color: var(--color-burgundy); }

/* CTA del header */
.site-header__cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Toggle móvil */
.menu-toggle {
    display: none;
    width: 44px; height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--color-graphite);
}
.menu-toggle__bars {
    position: relative;
    width: 22px; height: 14px;
}
.menu-toggle__bars span {
    position: absolute;
    left: 0; right: 0;
    height: 1.5px;
    background-color: currentColor;
    transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base);
}
.menu-toggle__bars span:nth-child(1) { top: 0; }
.menu-toggle__bars span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-toggle__bars span:nth-child(3) { bottom: 0; }
.menu-toggle.is-active .menu-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.is-active .menu-toggle__bars span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active .menu-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ─── Botones ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--duration-base) var(--ease-out);
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background-color: var(--color-burgundy);
    color: var(--color-paper);
    border-color: var(--color-burgundy);
}
.btn-primary:hover {
    background-color: var(--color-burgundy-deep);
    border-color: var(--color-burgundy-deep);
    transform: translateY(-1px);
}
.btn-secondary {
    background-color: transparent;
    color: var(--color-graphite);
    border-color: var(--color-graphite);
}
.btn-secondary:hover {
    background-color: var(--color-graphite);
    color: var(--color-cream);
}
.btn-ghost {
    background-color: transparent;
    color: var(--color-burgundy);
    padding: 14px 4px;
    border-color: transparent;
}
.btn-ghost::after {
    content: '→';
    transition: transform var(--duration-base) var(--ease-out);
    margin-left: var(--space-2);
}
.btn-ghost:hover { color: var(--color-burgundy-deep); }
.btn-ghost:hover::after { transform: translateX(6px); }

.btn-sm { padding: 10px 18px; font-size: var(--fs-xs); }
.btn-lg { padding: 18px 36px; font-size: var(--fs-base); }

/* Botón WhatsApp — verde, pero discreto */
.btn-whatsapp { background-color: #25D366; color: white; border-color: #25D366; }
.btn-whatsapp:hover { background-color: #1DAF53; border-color: #1DAF53; transform: translateY(-1px); }

/* Link editorial — para textos en línea */
.link-editorial {
    color: var(--color-burgundy);
    border-bottom: 1px solid var(--color-burgundy);
    transition: color var(--duration-fast), border-color var(--duration-fast);
    font-weight: var(--fw-medium);
}
.link-editorial:hover { color: var(--color-burgundy-deep); border-bottom-color: var(--color-burgundy-deep); }

/* ─── Cards ───────────────────────────────────────────────── */
.card {
    background-color: var(--color-paper);
    border: 1px solid var(--color-line);
    padding: var(--space-7);
    transition: border-color var(--duration-base), transform var(--duration-base);
    position: relative;
}
.card:hover { border-color: var(--color-burgundy); }

/* Service card — para los servicios principales */
.service-card {
    display: block;
    background-color: var(--color-paper);
    border: 1px solid var(--color-line);
    padding: var(--space-7);
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
    height: 100%;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 0; height: 2px;
    background-color: var(--color-burgundy);
    transition: width var(--duration-slow) var(--ease-out);
}
.service-card:hover { border-color: var(--color-burgundy); transform: translateY(-2px); }
.service-card:hover::before { width: 100%; }

.service-card__num {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-graphite-light);
    margin-bottom: var(--space-5);
    display: block;
    letter-spacing: 0.1em;
}
.service-card__title {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: var(--fw-regular);
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: var(--color-graphite);
    transition: color var(--duration-base);
}
.service-card:hover .service-card__title { color: var(--color-burgundy); }
.service-card__desc {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: var(--color-graphite-mid);
    margin-bottom: var(--space-5);
}
.service-card__arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-burgundy);
    font-weight: var(--fw-medium);
    transition: gap var(--duration-base) var(--ease-out);
}
.service-card:hover .service-card__arrow { gap: var(--space-3); }

/* Stat / Datos destacados */
.stat {
    border-top: 1px solid var(--color-line-strong);
    padding-top: var(--space-5);
}
.stat__number {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, var(--fs-4xl));
    font-weight: var(--fw-light);
    line-height: 1;
    color: var(--color-burgundy);
    letter-spacing: -0.03em;
    font-feature-settings: 'tnum' 1;
}
.stat__label {
    font-size: var(--fs-sm);
    color: var(--color-graphite-mid);
    margin-top: var(--space-3);
    line-height: 1.5;
    max-width: 24ch;
}

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
    background-color: var(--color-graphite);
    color: var(--color-cream);
    padding: var(--space-9) 0 var(--space-6);
    margin-top: var(--space-10);
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-burgundy) 20%, var(--color-burgundy) 80%, transparent 100%);
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-7);
    margin-bottom: var(--space-8);
}
.site-footer__col h6 {
    color: var(--color-paper);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(250, 248, 245, 0.15);
}
.site-footer__col p, .site-footer__col li {
    color: rgba(250, 248, 245, 0.7);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin-bottom: var(--space-3);
}
.site-footer__col a {
    color: rgba(250, 248, 245, 0.7);
    transition: color var(--duration-fast);
    border-bottom: 1px solid transparent;
}
.site-footer__col a:hover { color: var(--color-paper); border-bottom-color: var(--color-burgundy); }

.site-footer__brand p {
    margin-top: var(--space-4);
    max-width: 32ch;
    font-style: italic;
    color: rgba(250, 248, 245, 0.6);
}
.site-footer__brand .display {
    color: var(--color-paper);
    font-size: var(--fs-xl);
    margin-bottom: 0;
}
.site-footer__brand .display em {
    font-style: italic;
    color: var(--color-burgundy-soft);
    font-weight: var(--fw-light);
}

/* Newsletter */
.newsletter {
    margin-top: var(--space-5);
}
.newsletter__form {
    display: flex;
    gap: 0;
    border: 1px solid rgba(250, 248, 245, 0.2);
    background-color: rgba(250, 248, 245, 0.05);
    transition: border-color var(--duration-base);
}
.newsletter__form:focus-within { border-color: var(--color-burgundy); }
.newsletter__input {
    flex: 1;
    padding: 12px 14px;
    background: transparent;
    border: none;
    color: var(--color-paper);
    font-size: var(--fs-sm);
    outline: none;
}
.newsletter__input::placeholder { color: rgba(250, 248, 245, 0.4); }
.newsletter__submit {
    padding: 0 var(--space-5);
    background-color: var(--color-burgundy);
    color: var(--color-paper);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--fw-medium);
    transition: background-color var(--duration-base);
}
.newsletter__submit:hover { background-color: var(--color-burgundy-deep); }
.newsletter__note {
    font-size: var(--fs-xs);
    color: rgba(250, 248, 245, 0.5);
    margin-top: var(--space-3);
}

.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-5);
    border-top: 1px solid rgba(250, 248, 245, 0.15);
    font-size: var(--fs-xs);
    color: rgba(250, 248, 245, 0.5);
    flex-wrap: wrap;
    gap: var(--space-4);
}
.site-footer__legal-links {
    display: flex;
    gap: var(--space-5);
}

/* ─── Page Hero (genérico para subpáginas) ─────────────────── */
.page-hero {
    padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-9);
    border-bottom: 1px solid var(--color-line);
    background-color: var(--color-cream-deep);
    position: relative;
    overflow: hidden;
}
.page-hero__inner { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-6); }
.page-hero h1 { margin-bottom: var(--space-5); }
.page-hero__lead { font-size: var(--fs-md); max-width: 50ch; line-height: 1.6; }

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-xs);
    color: var(--color-graphite-mid);
    margin-bottom: var(--space-7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.breadcrumbs a { color: var(--color-graphite-mid); transition: color var(--duration-fast); }
.breadcrumbs a:hover { color: var(--color-burgundy); }
.breadcrumbs__sep { color: var(--color-line-strong); }

/* ─── Forms ───────────────────────────────────────────────── */
.field { margin-bottom: var(--space-5); }
.field label {
    display: block;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-graphite-mid);
    margin-bottom: var(--space-2);
    font-weight: var(--fw-medium);
}
.field input, .field textarea, .field select {
    width: 100%;
    padding: 14px 16px;
    background-color: var(--color-paper);
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-sm);
    font-size: var(--fs-base);
    color: var(--color-graphite);
    transition: border-color var(--duration-base);
    font-family: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none;
    border-color: var(--color-burgundy);
}
.field textarea { min-height: 140px; resize: vertical; }

/* ─── Coming Soon Badge ───────────────────────────────────── */
.coming-soon-banner {
    background-color: var(--color-burgundy-tint);
    border: 1px solid var(--color-burgundy);
    border-radius: var(--radius-md);
    padding: var(--space-7);
    text-align: center;
}
.coming-soon-banner .eyebrow { justify-content: center; }
.coming-soon-banner h2 { margin-bottom: var(--space-4); }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-7); }
}

@media (max-width: 768px) {
    .site-header__inner { grid-template-columns: 1fr auto; }
    .site-nav {
        display: none;
        position: fixed;
        top: var(--header-height-scrolled);
        left: 0; right: 0; bottom: 0;
        background-color: var(--color-cream);
        padding: var(--space-7) var(--space-6);
        z-index: var(--z-overlay);
        flex-direction: column;
        justify-content: flex-start;
        overflow-y: auto;
    }
    .site-nav.is-open { display: flex; }
    .site-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        width: 100%;
    }
    .site-nav__list li {
        width: 100%;
        border-bottom: 1px solid var(--color-line);
    }
    .site-nav__link {
        font-size: var(--fs-lg);
        font-family: var(--font-display);
        font-weight: var(--fw-regular);
        padding: var(--space-5) 0;
        display: block;
    }
    .site-nav__link::after { display: none; }
    .menu-toggle { display: inline-flex; }
    .site-header__cta .btn:not(.menu-toggle) { display: none; }
    
    .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-7); }
    .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .site-brand__tag { display: none; }
}