/* Explain: Styles for various components including header, navigation, buttons, gallery, forms, and footer. */
/* --- Encabezado fijo --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    border-bottom: 1px solid transparent;
    transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.site-header.is-scrolled {
    background: rgba(245, 242, 236, 0.96);
    backdrop-filter: blur(12px);
    border-bottom-color: var(--border-color);
    box-shadow: 0 12px 34px -26px rgba(24, 24, 22, 0.6);
}

.site-header-inner {
    max-width: 1240px;
    margin-inline: auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    display: block;
    flex: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-on-dark);
    transition: color 0.4s var(--ease);
    white-space: nowrap;
}

.brand-sub {
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-tint);
    white-space: nowrap;
}

@media (max-width: 430px) {
    .brand-name {
        font-size: 0.9rem;
    }

    .brand-sub {
        font-size: 0.54rem;
        letter-spacing: 0.1em;
    }
}

.site-header.is-scrolled .brand-name {
    color: var(--text-color);
}

.site-header.is-scrolled .brand-sub {
    color: var(--accent-color);
}

/* --- Navegación de escritorio --- */
.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
        align-items: center;
        gap: 26px;
        margin-left: auto;
    }
}

.nav-link {
    position: relative;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--text-on-dark);
    background: none;
    border: 0;
    padding: 8px 0;
    cursor: pointer;
    transition: color 0.35s var(--ease);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 3px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s var(--ease);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    transform: scaleX(1);
}

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

.site-header.is-scrolled .nav-link {
    color: var(--text-color);
}

.site-header.is-scrolled .nav-link:hover {
    color: var(--accent-color);
}

.nav-drop {
    position: relative;
    padding-bottom: 4px;
}

.nav-drop-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 268px;
    padding: 10px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(6px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}

.nav-drop-panel::before {
    content: '';
    position: absolute;
    top: -14px;
    left: 0;
    right: 0;
    height: 14px;
}

.nav-drop:hover .nav-drop-panel,
.nav-drop.is-open .nav-drop-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-drop-panel a {
    padding: 11px 14px;
    font-size: 0.88rem;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-drop-panel a:last-child {
    border-bottom: 0;
}

.nav-drop-panel a:hover {
    background: var(--surface-alt);
    color: var(--accent-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-wsp {
    display: none;
}

@media (min-width: 1024px) {
    .header-wsp {
        display: inline-flex;
        padding: 12px 20px;
        font-size: 0.78rem;
    }
}

/* --- Botón hamburguesa --- */
.menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 46px;
    height: 46px;
    padding: 0 11px;
    background: transparent;
    border: 1px solid rgba(245, 242, 236, 0.4);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text-on-dark);
    transition: background-color 0.4s var(--ease);
}

.site-header.is-scrolled .menu-toggle {
    border-color: var(--border-color);
}

.site-header.is-scrolled .menu-toggle span {
    background: var(--text-color);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

/* --- Menú móvil --- */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
    flex-direction: column;
    padding: 18px 20px 30px;
    background: var(--graphite-color);
    color: var(--text-on-dark);
    overflow-y: auto;
}

.mobile-menu.is-open {
    display: flex;
}

.mobile-menu-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(245, 242, 236, 0.15);
}

.mobile-close {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(245, 242, 236, 0.4);
    color: var(--text-on-dark);
    font-size: 1.1rem;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding-block: 22px;
}

.mobile-nav a {
    padding: 14px 0;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-on-dark);
    border-bottom: 1px solid rgba(245, 242, 236, 0.1);
}

.mobile-nav a:hover {
    color: var(--accent-tint);
}

.mobile-nav a.mobile-sub {
    font-family: var(--font-body);
    font-size: 1rem;
    padding-left: 16px;
    color: var(--text-on-dark-muted);
}

.mobile-nav-label {
    margin-top: 18px;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-tint);
}

.mobile-cta {
    display: grid;
    gap: 12px;
    margin-top: auto;
    padding-top: 24px;
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 26px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.25;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn-accent {
    background: var(--accent-color);
    color: #fff;
}

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

.btn-accent:disabled {
    opacity: 0.6;
    cursor: default;
}

.btn-ghost-light {
    border-color: rgba(245, 242, 236, 0.62);
    background: rgba(245, 242, 236, 0.08);
    color: #ffffff;
}

.btn-ghost-light:hover {
    background: rgba(245, 242, 236, 0.2);
    border-color: #ffffff;
}

.btn-dark {
    background: var(--graphite-color);
    color: var(--text-on-dark);
}

.btn-dark:hover {
    background: var(--primary-hover);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* --- Galería --- */
.galeria-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.galeria-filtros button {
    padding: 10px 18px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}

.galeria-filtros button:hover,
.galeria-filtros button.is-active {
    background: var(--surface-color);
    border-color: var(--graphite-color);
    color: var(--text-color);
}

.galeria-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .galeria-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.galeria-item {
    margin: 0;
    overflow: hidden;
    background: var(--surface-alt);
}

.galeria-item.is-hidden {
    display: none;
}

.galeria-btn {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    cursor: zoom-in;
}

.galeria-btn img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 1s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
    .galeria-btn:hover img {
        transform: scale(1.05);
    }
}

.galeria-tag {
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 6px 10px;
    background: rgba(24, 24, 22, 0.78);
    color: var(--text-on-dark);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.galeria-cap {
    padding: 14px 4px 20px;
}

.galeria-cap h3 {
    font-size: 1.02rem;
}

.galeria-cap p {
    margin-top: 6px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.galeria-vacia {
    padding: 40px;
    background: var(--surface-alt);
    border-left: 3px solid var(--accent-color);
    color: var(--text-muted);
}

.galeria-vacia.is-hidden {
    display: none;
}

/* --- Visor a pantalla completa --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 95;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: rgba(9, 20, 35, 0.95);
}

.lightbox.is-open {
    display: flex;
}

.lightbox-figure {
    width: 100%;
    max-width: 1120px;
}

.lightbox-frame {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: #0e0e0d;
}

.lightbox-frame img {
    max-width: 100%;
    max-height: 72svh;
    object-fit: contain;
}

.lightbox-frame.is-loading img {
    opacity: 0;
}

.lightbox-loading {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--text-on-dark);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.lightbox-frame.is-loading .lightbox-loading {
    display: flex;
}

.lightbox-cap {
    margin-top: 16px;
    color: var(--text-on-dark);
}

.lightbox-cap .lightbox-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.lightbox-cap .lightbox-meta {
    display: block;
    margin-top: 3px;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-tint);
}

.lightbox-cap .lightbox-desc {
    margin-top: 10px;
    font-size: 0.92rem;
    color: var(--text-on-dark-muted);
    max-width: 720px;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    z-index: 2;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(24, 24, 22, 0.7);
    border: 1px solid rgba(245, 242, 236, 0.3);
    color: var(--text-on-dark);
    cursor: pointer;
    transition: background-color 0.25s var(--ease);
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.lightbox-close {
    top: 18px;
    right: 18px;
}

.lightbox-prev {
    top: 50%;
    left: 14px;
    transform: translateY(-50%);
}

.lightbox-next {
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
}

/* --- Videos de entrevistas --- */
.video-slot {
    position: relative;
    overflow: hidden;
    background: #0f0f0e;
}

.video-el {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #0f0f0e;
}

.video-cover {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 4px;
    padding: 20px;
    border: 0;
    text-align: left;
    cursor: pointer;
    color: var(--text-on-dark);
    background: linear-gradient(180deg, rgba(15, 15, 14, 0.2) 0%, rgba(15, 15, 14, 0.88) 100%);
}

.video-slot.is-playing .video-cover {
    display: none;
}

.video-cover-tag {
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-tint);
}

.video-cover-title {
    font-family: var(--font-heading);
    font-size: 1.02rem;
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 62px;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-color);
    color: #fff;
    font-size: 1.05rem;
    transition: background-color 0.25s var(--ease);
}

.video-cover:hover .video-play {
    background: var(--accent-hover);
}

/* --- Comparador antes / después --- */
.compare {
    position: relative;
    overflow: hidden;
    background: var(--surface-alt);
    touch-action: pan-y;
}

.compare-img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.compare-overlay-wrap {
    position: absolute;
    inset: 0;
    clip-path: inset(0 50% 0 0);
}

.compare-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--surface-color);
    transform: translateX(-1px);
    pointer-events: none;
}

.compare-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-color);
    color: var(--graphite-color);
    box-shadow: var(--shadow-soft);
    pointer-events: none;
}

.compare-range {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
}

.compare-tag {
    position: absolute;
    bottom: 14px;
    padding: 6px 11px;
    background: rgba(24, 24, 22, 0.82);
    color: var(--text-on-dark);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.compare-tag-before {
    left: 14px;
}

.compare-tag-after {
    right: 14px;
}

/* --- Formulario de contacto --- */
.contact-form {
    display: grid;
    gap: 18px;
    padding: 28px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .contact-form {
        padding: 36px;
    }
}

.field {
    display: block;
}

.field > span {
    display: block;
    margin-bottom: 8px;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact-form .input,
.contact-form .textarea,
.contact-form .select {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
}

.contact-form .textarea {
    min-height: 132px;
}

.form-status {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-status.is-ok {
    color: #2f6b46;
}

.form-status.is-error {
    color: #a8321f;
}

.contacto-info p {
    color: var(--text-muted);
    margin-top: 16px;
}

.contacto-link {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.contacto-link i {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-alt);
    color: var(--accent-color);
    font-size: 1.05rem;
    flex: none;
}

.contacto-link span {
    display: flex;
    flex-direction: column;
    font-size: 0.98rem;
}

.contacto-link strong {
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

/* --- Pie de página --- */
.site-footer {
    background: var(--graphite-soft);
    color: var(--text-on-dark);
    padding-block: 64px 28px;
}

.footer-grid {
    display: grid;
    gap: 34px;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 40px;
    }
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.footer-text {
    font-size: 0.92rem;
    color: var(--text-on-dark-muted);
    margin-bottom: 10px;
}

.footer-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-tint);
    margin-bottom: 16px;
}

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

.footer-nav a {
    font-size: 0.92rem;
    color: var(--text-on-dark-muted);
    transition: color 0.25s var(--ease);
}

.footer-nav a:hover {
    color: var(--text-on-dark);
}

.footer-contact {
    display: flex;
    flex-direction: column;
}

.footer-wsp,
.footer-tel {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-on-dark);
    padding: 9px 0;
}

.footer-wsp i {
    color: #4ac07a;
}

.footer-tel i {
    color: var(--accent-tint);
}

.footer-bottom {
    margin-top: 44px;
    padding-top: 20px;
    border-top: 1px solid rgba(245, 242, 236, 0.14);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-on-dark-muted);
}

/* --- Botón flotante de WhatsApp --- */
.wsp-float {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 55;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 100px;
    box-shadow: var(--shadow-soft);
    transition: background-color 0.25s var(--ease);
}

.wsp-float:hover {
    background: var(--accent-hover);
}

.wsp-float i {
    font-size: 1.1rem;
}

.wsp-float span {
    display: none;
}

@media (min-width: 768px) {
    .wsp-float {
        right: 24px;
        bottom: 24px;
    }

    .wsp-float span {
        display: inline;
    }
}

/* --- Carrusel de obras --- */
.obras-carousel {
    position: relative;
}

.obras-swiper {
    overflow: hidden;
    padding-bottom: 6px;
}

.obras-swiper .swiper-slide {
    height: auto;
    transition: transform 0.55s var(--ease), opacity 0.55s var(--ease);
    opacity: 0.5;
    transform: scale(0.93);
}

.obras-swiper .swiper-slide-active {
    opacity: 1;
    transform: scale(1);
}

.obra-slide {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: var(--surface-alt);
    overflow: hidden;
    cursor: zoom-in;
}

.obra-slide img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 1s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
    .obra-slide:hover img {
        transform: scale(1.05);
    }
}

.obra-zoom {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(24, 24, 22, 0.7);
    color: var(--text-on-dark);
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.35s var(--ease), background-color 0.35s var(--ease);
}

.obra-slide:hover .obra-zoom,
.obra-slide:focus-visible .obra-zoom {
    opacity: 1;
}

.obras-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.obras-arrow {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.obras-arrow:hover {
    background: var(--graphite-color);
    border-color: var(--graphite-color);
    color: var(--text-on-dark);
}

.obras-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.obras-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    opacity: 0.5;
    border-radius: 0;
    transition: all 0.3s var(--ease);
}

.obras-pagination .swiper-pagination-bullet-active {
    width: 26px;
    background: var(--accent-color);
    opacity: 1;
}

/* --- Enlace a Instagram --- */
.ig-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 12px 20px;
    background: var(--surface-alt);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.ig-link i {
    font-size: 1.15rem;
    color: #c13584;
}

.ig-link:hover {
    background: var(--graphite-color);
    border-color: var(--graphite-color);
    color: var(--text-on-dark);
}

/* --- Botón de Instagram --- */
.obras-head-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.btn-ig {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 22px 8px 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-color);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn-ig-badge {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    border-radius: 50%;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: #fff;
    font-size: 1.15rem;
    transition: transform 0.3s var(--ease);
}

.btn-ig:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.btn-ig:hover .btn-ig-badge {
    transform: rotate(-8deg);
}

/* --- Página de presupuesto --- */
.presupuesto-col {
    position: relative;
}

.presu-row {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .presu-row {
        grid-template-columns: 1fr 1fr;
    }
}

.upload-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 26px 20px;
    text-align: center;
    background: var(--background-color);
    border: 1px dashed var(--secondary-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.upload-zone:hover,
.upload-zone:focus-within {
    border-color: var(--accent-color);
    background: var(--surface-alt);
}

.upload-zone-icon {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.upload-zone strong {
    font-size: 0.98rem;
    font-weight: 600;
}

.upload-zone small {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.upload-zone-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.upload-list li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    max-width: 100%;
    padding: 7px 12px;
    background: var(--surface-alt);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.upload-list li i {
    color: var(--accent-color);
}

.upload-list li span {
    max-width: 210px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.presupuesto-gracias {
    display: none;
    padding: 36px;
    text-align: center;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

.presupuesto-gracias.is-visible {
    display: block;
}

.gracias-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 18px;
    border-radius: 50%;
    background: var(--surface-alt);
    color: #2f6b46;
    font-size: 1.7rem;
}

.presupuesto-gracias p {
    margin-top: 12px;
    color: var(--text-muted);
}

.presupuesto-gracias .btn {
    margin-top: 22px;
}