/* 
    UNIVOLGA DESIGN SYSTEM & STYLES 
*/

:root {
    /* Colors */
    --clr-primary: #0D1B2A; /* Corporate Dark Blue */
    --clr-primary-light: #1B263B;
    --clr-accent: #F2A900; /* Commercial Gold/Orange */
    --clr-accent-hover: #E68A00;
    
    --clr-white: #FFFFFF;
    --clr-bg-light: #F8F9FA;
    --clr-text-main: #333333;
    --clr-text-muted: #666666;
    
    --clr-border: #E2E8F0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions & Shadows */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(13, 27, 42, 0.15);
    --shadow-glow: 0 0 15px rgba(242, 169, 0, 0.5);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--clr-text-main);
    background-color: var(--clr-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.text-center { text-align: center; }

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

/* Typography Utilities */
.section-subtitle {
    display: block;
    color: var(--clr-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--clr-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--clr-white);
    border: 2px solid var(--clr-white);
}

.btn-secondary:hover {
    background-color: var(--clr-white);
    color: var(--clr-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border: 2px solid var(--clr-primary);
}

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

.animate-pulse-glow {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(242, 169, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(242, 169, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(242, 169, 0, 0); }
}

/* Navigation */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-fast);
    background-color: transparent;
    padding: 1.25rem 0;
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

.main-header.scrolled .nav-links a { color: var(--clr-text-main); }
.main-header.scrolled .nav-links a:hover { color: var(--clr-accent); }
.main-header.scrolled .nav-toggle-bar { background-color: var(--clr-primary); }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 1002;
    padding: 0.25rem 0.75rem;
    border-radius: 10px;
    background-color: transparent;
    box-shadow: none;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.main-header:not(.scrolled) .logo {
    background-color: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
}

.logo-img {
    height: clamp(56px, 8vw, 80px);
    width: auto;
    max-width: min(320px, 55vw);
    display: block;
    object-fit: contain;
    transition: height var(--transition-fast);
}

.logo-img--footer {
    height: clamp(80px, 14vw, 130px);
    max-width: min(360px, 80vw);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-left: auto;
}

.nav-menu-panel {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu-backdrop {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 48px;
    height: 48px;
    padding: 0;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
    z-index: 1002;
    transition: background var(--transition-fast);
}

.main-header.scrolled .nav-toggle {
    background: var(--clr-bg-light);
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--clr-white);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, background-color var(--transition-fast);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

body.menu-open {
    overflow: hidden;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--clr-white);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-accent);
    transition: width var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

.nav-actions .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

.main-header:not(.scrolled) .btn-outline {
    color: var(--clr-white);
    border-color: var(--clr-white);
}

.main-header:not(.scrolled) .btn-outline:hover {
    background-color: var(--clr-white);
    color: var(--clr-primary);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    padding-top: 140px;
    display: flex;
    align-items: center;
    background-image: url('../assets/hero_banner.jpg');
    background-size: cover;
    background-position: center 40%;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(13, 27, 42, 0.9) 0%, rgba(13, 27, 42, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--clr-white);
    max-width: 800px;
}

.hero-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero-headline {
    font-size: 3.5rem;
    color: var(--clr-white);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--clr-accent);
    margin-bottom: 1rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* About Us Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-visuals {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, var(--clr-bg-light), #E2E8F0);
    border-radius: 16px;
    overflow: hidden;
}

.about-visuals-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 2rem;
}

.stat-card {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    color: var(--clr-accent);
}

.stat-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-actions-btn-margin-top {
    margin-top: 2rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--clr-white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-accent);
}

.service-card .icon-container {
    width: 60px;
    height: 60px;
    background-color: var(--clr-bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
    transition: all var(--transition-fast);
}

.service-card:hover .icon-container {
    background-color: var(--clr-primary);
    color: var(--clr-accent);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--clr-text-muted);
}

/* Benefits Section */
.benefits-section .text-center p,
.events-section .text-center p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--clr-text-muted);
}

.benefits-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    list-style: none;
}

.benefits-highlights li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.benefits-highlights li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.benefits-highlights li i {
    color: var(--clr-accent);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.benefits-list li i {
    color: var(--clr-accent);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* CTA Section */
.cta-section {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    position: relative;
    overflow: hidden;
}

.cta-title {
    color: var(--clr-white);
    font-size: 3rem;
}

.cta-desc {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Footer */
.main-footer {
    background-color: var(--clr-primary-light);
    color: var(--clr-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    display: inline-flex;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.92);
}

.footer-brand .logo-img {
    height: clamp(80px, 14vw, 130px);
    max-width: min(360px, 80vw);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--clr-white);
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a:hover {
    color: var(--clr-accent);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.8);
}

.footer-bottom {
    padding-top: 2rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Locales Disponibles */
.locales-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.locale-tag {
    padding: 0.5rem 1.25rem;
    background-color: var(--clr-bg-light);
    border: 1px solid var(--clr-border);
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-primary);
}

.locales-cta {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.locales-cta p {
    margin-bottom: 1.5rem;
    color: var(--clr-text-muted);
}

/* Gallery Carousel */
.gallery-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.gallery-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 0.5rem 0.25rem 1rem;
    flex: 1;
    scrollbar-width: none;
}

.gallery-track::-webkit-scrollbar {
    display: none;
}

.gallery-item {
    position: relative;
    flex: 0 0 auto;
    width: 260px;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    scroll-snap-align: start;
    background: linear-gradient(135deg, var(--clr-bg-light), #E2E8F0);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(13, 27, 42, 0) 55%, rgba(13, 27, 42, 0.45) 100%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-nav {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--clr-white);
    color: var(--clr-primary);
    font-size: 1.3rem;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.gallery-nav:hover {
    background: var(--clr-accent);
    color: var(--clr-white);
    transform: scale(1.08);
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: var(--clr-border);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.gallery-dot.active {
    background: var(--clr-accent);
    transform: scale(1.3);
}

.gallery-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 3rem 1rem;
}

.gallery-empty[hidden],
.gallery-carousel[hidden],
.gallery-dots[hidden] {
    display: none;
}

.gallery-empty h3 {
    margin-bottom: 0.5rem;
}

.gallery-empty p {
    color: var(--clr-text-muted);
    max-width: 320px;
}

/* Testimonials */
.testimonials-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 0.5rem 0.25rem 1rem;
    flex: 1;
    scrollbar-width: none;
}

.testimonials-track::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 auto;
    width: 340px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-quote-icon {
    font-size: 1.8rem;
    color: var(--clr-accent);
    margin-bottom: 1rem;
}

.testimonial-card blockquote {
    font-size: 1rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--clr-text-main);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--clr-primary);
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.testimonial-nav {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--clr-white);
    color: var(--clr-primary);
    font-size: 1.3rem;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.testimonial-nav:hover {
    background: var(--clr-accent);
    color: var(--clr-white);
    transform: scale(1.08);
}

.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: var(--clr-border);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.testimonial-dot.active {
    background: var(--clr-accent);
    transform: scale(1.3);
}

/* Events / Social cards */
.service-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--clr-primary);
}

.service-card .card-link:hover {
    color: var(--clr-accent);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-visual {
    position: relative;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--clr-bg-light), #E2E8F0);
}

.contact-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-visual-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(13, 27, 42, 0.2);
    opacity: 0;
}

.contact-visual--empty .contact-visual-icon {
    opacity: 1;
}

.contact-visual--empty img {
    display: none;
}

.contact-details {
    margin: 1.5rem 0;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--clr-text-muted);
}

.contact-details li i {
    color: var(--clr-accent);
    font-size: 1.25rem;
}

.contact-socials {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.contact-socials a {
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(242, 169, 0, 0.12);
    border: 1px solid var(--clr-accent);
    border-radius: 50%;
    color: var(--clr-accent);
    font-size: 1.75rem;
    transition: all var(--transition-fast);
}

.contact-socials a:hover {
    background-color: var(--clr-accent);
    border-color: var(--clr-accent);
    color: var(--clr-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Footer socials */
.footer-socials {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.footer-socials a:hover {
    background-color: var(--clr-accent);
    color: var(--clr-primary);
}

/* WhatsApp floating button */
.whatsapp-fab {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #25D366;
    color: var(--clr-white);
    border-radius: 50%;
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.45);
    z-index: 1500;
    transition: transform var(--transition-fast);
}

.whatsapp-fab:hover {
    transform: scale(1.08);
    color: var(--clr-white);
}

/* Scroll Revel Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 900px) {
    .hero-headline { font-size: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

    .gallery-item { width: 220px; }
    .testimonial-card { width: 280px; }

    .whatsapp-fab {
        right: 1rem;
        bottom: 1rem;
        width: 52px;
        height: 52px;
        font-size: 1.7rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        margin-left: 0;
        pointer-events: none;
        z-index: 1001;
    }

    .nav-menu.is-open {
        pointer-events: auto;
    }

    .nav-menu-backdrop {
        display: block;
        position: absolute;
        inset: 0;
        background: rgba(13, 27, 42, 0.55);
        backdrop-filter: blur(4px);
        opacity: 0;
        transition: opacity 0.35s ease;
    }

    .nav-menu.is-open .nav-menu-backdrop {
        opacity: 1;
    }

    .nav-menu-panel {
        position: absolute;
        top: 0;
        right: 0;
        width: min(340px, 88vw);
        height: 100dvh;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 2rem;
        padding: clamp(5.5rem, 14vw, 6.5rem) 1.75rem 2rem;
        background: var(--clr-white);
        box-shadow: -8px 0 40px rgba(13, 27, 42, 0.18);
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        overflow-y: auto;
    }

    .nav-menu.is-open .nav-menu-panel {
        transform: translateX(0);
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-links li {
        border-bottom: 1px solid var(--clr-border);
    }

    .nav-links a {
        display: block;
        padding: 1rem 0;
        color: var(--clr-primary) !important;
        font-size: 1.05rem;
        font-weight: 600;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

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

    .main-header:not(.scrolled) .nav-actions .btn-outline {
        color: var(--clr-primary);
        border-color: var(--clr-primary);
    }

    .main-header:not(.scrolled) .nav-actions .btn-outline:hover {
        background-color: var(--clr-primary);
        color: var(--clr-white);
    }
}

@media (max-width: 480px) {
    .gallery-item { width: 180px; }
    .gallery-nav { width: 38px; height: 38px; font-size: 1.1rem; }
    .testimonial-card { width: 240px; padding: 1.5rem; }
    .testimonial-nav { width: 38px; height: 38px; font-size: 1.1rem; }

    .logo-img {
        height: clamp(50px, 14vw, 64px);
        max-width: min(260px, 62vw);
    }
}

/* ============================================
   PORTAL DE PAGOS — Recaudos de Arrendamientos
   ============================================ */

body.portal-open {
    overflow: hidden;
}

.portal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.portal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.portal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 27, 42, 0.75);
    backdrop-filter: blur(8px);
}

.portal-container {
    position: relative;
    width: min(1100px, 96vw);
    height: min(720px, 94vh);
    background: var(--clr-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(13, 27, 42, 0.35);
    transform: scale(0.92) translateY(20px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.portal-overlay.is-open .portal-container {
    transform: scale(1) translateY(0);
}

.portal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 20;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--clr-bg-light);
    color: var(--clr-primary);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.portal-close:hover {
    background: var(--clr-border);
    transform: rotate(90deg);
}

.portal-screen {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.portal-screen.is-active {
    opacity: 1;
    visibility: visible;
}

/* --- Login Screen --- */
.portal-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.portal-login-visual {
    position: relative;
    background: linear-gradient(145deg, var(--clr-primary) 0%, var(--clr-primary-light) 60%, #243b55 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    overflow: hidden;
}

.portal-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(242, 169, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(242, 169, 0, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
}

.portal-floating-shapes span {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(242, 169, 0, 0.2);
    animation: float-shape 8s ease-in-out infinite;
}

.portal-floating-shapes span:nth-child(1) {
    width: 120px; height: 120px;
    top: 15%; left: 10%;
    animation-delay: 0s;
}

.portal-floating-shapes span:nth-child(2) {
    width: 80px; height: 80px;
    bottom: 20%; right: 15%;
    animation-delay: -3s;
}

.portal-floating-shapes span:nth-child(3) {
    width: 50px; height: 50px;
    top: 60%; left: 60%;
    animation-delay: -5s;
}

@keyframes float-shape {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.portal-brand-block {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--clr-white);
}

.portal-logo-img {
    display: block;
    height: clamp(110px, 20vw, 170px);
    width: auto;
    max-width: min(340px, 75vw);
    margin: 0 auto 1.25rem;
    object-fit: contain;
}

.portal-brand-main {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin: 0.25rem 0;
}

.portal-brand-since {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 2px;
    opacity: 0.5;
}

.portal-visual-features {
    position: relative;
    z-index: 2;
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.visual-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.visual-feature i {
    color: var(--clr-accent);
    font-size: 1.1rem;
}

.portal-login-form {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: var(--clr-white);
}

.portal-form-inner {
    width: 100%;
    max-width: 360px;
}

.portal-form-inner h2 {
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

.portal-form-sub {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.portal-form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.portal-input-group {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--clr-border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    margin-bottom: 1.25rem;
}

.portal-input-group:focus-within {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 4px rgba(242, 169, 0, 0.15);
}

.portal-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    background: var(--clr-bg-light);
    color: var(--clr-text-muted);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.portal-input-group input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.9rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--clr-text-main);
    background: transparent;
}

.portal-input-group input::placeholder {
    color: #aaa;
}

.portal-btn-full {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portal-login-btn {
    background: #c8cdd3;
    color: var(--clr-white);
    cursor: not-allowed;
    transition: all var(--transition-smooth);
}

.portal-login-btn.is-ready {
    background: var(--clr-accent);
    color: var(--clr-primary);
    cursor: pointer;
}

.portal-login-btn.is-ready:hover {
    background: var(--clr-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.portal-login-btn.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

.btn-spinner {
    display: inline-block;
    width: 15px;
    height: 15px;
    vertical-align: -3px;
    margin-right: 0.5rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.7s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

.portal-login-error {
    color: #b91c1c;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

.portal-trust {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    justify-content: center;
}

.portal-trust i {
    color: #7c3aed;
    font-size: 1.1rem;
}

.portal-trust strong {
    color: #7c3aed;
}

.portal-legal {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.portal-legal a:hover {
    color: var(--clr-accent);
    text-decoration: underline;
}

/* --- Dashboard Screen --- */
.portal-dashboard {
    display: flex;
    flex-direction: column;
    background: #f4f6f9;
    padding: 1.5rem 2rem;
}

.portal-dashboard .portal-close {
    color: var(--clr-primary);
    background: var(--clr-bg-light);
}

.portal-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.portal-dash-title h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.portal-dash-title p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.portal-help {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--clr-white);
    padding: 0.6rem 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    font-size: 0.8rem;
}

.portal-help i {
    font-size: 1.5rem;
    color: var(--clr-accent);
}

.portal-help span {
    display: block;
    color: var(--clr-text-muted);
    font-size: 0.7rem;
}

.portal-help a {
    color: var(--clr-primary);
    font-weight: 600;
}

.portal-dash-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.portal-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.portal-tab:hover {
    background: rgba(255, 255, 255, 0.6);
}

.portal-tab.is-active {
    background: var(--clr-white);
    color: var(--clr-primary);
    box-shadow: var(--shadow-sm);
}

.portal-tab i {
    font-size: 1.1rem;
}

.portal-tab:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.portal-tab:disabled:hover {
    background: transparent;
}

.portal-tab[hidden] {
    display: none;
}

.portal-dash-body {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    min-height: 0;
}

.portal-invoices-panel {
    background: var(--clr-white);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.portal-invoices-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.8fr;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--clr-bg-light);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-text-muted);
    border-bottom: 1px solid var(--clr-border);
}

.portal-invoices-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.invoice-card {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.8fr;
    gap: 0.5rem;
    align-items: center;
    padding: 1rem 0.75rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    margin-bottom: 0.25rem;
}

.invoice-card:hover {
    background: var(--clr-bg-light);
}

.invoice-card.is-selected {
    background: rgba(242, 169, 0, 0.08);
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 1px rgba(242, 169, 0, 0.2);
}

.invoice-card-main {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.invoice-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--clr-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--clr-primary);
    flex-shrink: 0;
}

.invoice-card.is-selected .invoice-card-icon {
    background: var(--clr-accent);
    color: var(--clr-primary);
}

.invoice-card-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    line-height: 1.3;
}

.invoice-ref {
    font-size: 0.7rem;
    color: var(--clr-text-muted);
}

.invoice-ref-cell,
.invoice-date-cell,
.invoice-amount-cell {
    font-size: 0.8rem;
    font-weight: 500;
}

.invoice-amount-cell {
    font-weight: 700;
    color: var(--clr-primary);
}

.invoice-card-meta {
    display: contents;
}

.invoice-status-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-align: center;
}

.status-pendiente {
    background: #fff3cd;
    color: #856404;
}

.status-pendiente.is-overdue {
    background: #f8d7da;
    color: #721c24;
}

.status-pagado {
    background: #d4edda;
    color: #155724;
}

.portal-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.portal-empty[hidden] {
    display: none;
}

.empty-illustration {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(242, 169, 0, 0.1), rgba(242, 169, 0, 0.25));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--clr-accent);
    margin-bottom: 1rem;
    animation: pulse-glow 3s infinite;
}

.portal-empty h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.portal-empty p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    max-width: 280px;
}

/* --- Sidebar --- */
.portal-sidebar {
    background: var(--clr-white);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.portal-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--clr-border);
}

.stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    flex-shrink: 0;
}

.stepper-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--clr-bg-light);
    color: var(--clr-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
    border: 2px solid var(--clr-border);
}

.stepper-step span {
    font-size: 0.6rem;
    color: var(--clr-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stepper-step.is-active .stepper-dot {
    background: var(--clr-accent);
    color: var(--clr-primary);
    border-color: var(--clr-accent);
    box-shadow: 0 0 12px rgba(242, 169, 0, 0.4);
}

.stepper-step.is-done .stepper-dot {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}

.stepper-line {
    flex: 1;
    height: 2px;
    background: var(--clr-border);
    margin: 0 0.25rem;
    margin-bottom: 1rem;
    transition: background var(--transition-smooth);
    min-width: 20px;
}

.stepper-line.is-done {
    background: var(--clr-accent);
}

.sidebar-user {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    margin-bottom: 1rem;
    padding: 0.4rem 0.75rem;
    background: var(--clr-bg-light);
    border-radius: 6px;
    text-align: center;
}

.sidebar-dynamic {
    flex: 1;
}

.sidebar-idle {
    text-align: center;
    padding: 1.5rem 0.5rem;
}

.sidebar-idle-icon {
    font-size: 3rem;
    color: var(--clr-border);
    margin-bottom: 1rem;
    animation: point-bounce 2s ease-in-out infinite;
}

@keyframes point-bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-8px); }
}

.sidebar-idle h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.sidebar-idle p {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
}

.selected-invoice-summary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
    color: var(--clr-white);
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.25rem;
}

.selected-invoice-summary.compact {
    padding: 1rem;
}

.summary-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

.selected-invoice-summary h4 {
    color: var(--clr-white);
    font-size: 0.85rem;
    margin: 0.5rem 0;
    line-height: 1.3;
}

.summary-amount {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-accent);
}

.summary-detail {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.sidebar-step-title {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.payment-method-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--clr-border);
    border-radius: 10px;
    background: var(--clr-white);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
    text-align: left;
    width: 100%;
}

.payment-method-card > div,
.payment-method-card .method-text {
    display: flex;
    flex-direction: column;
}

.payment-method-card:hover {
    border-color: var(--clr-accent);
}

.payment-method-card.is-selected {
    border-color: var(--clr-accent);
    background: rgba(242, 169, 0, 0.06);
    box-shadow: 0 0 0 1px rgba(242, 169, 0, 0.2);
}

.payment-method-card i {
    font-size: 1.5rem;
    color: var(--clr-primary);
}

.payment-method-card span {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--clr-primary);
}

.payment-method-card small {
    display: block;
    font-size: 0.7rem;
    color: var(--clr-text-muted);
}

.confirm-fields {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.confirm-field {
    margin-bottom: 1rem;
}

.confirm-field label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-text-muted);
    margin-bottom: 0.3rem;
}

.pay-amount-hint {
    display: block;
    font-size: 0.7rem;
    color: var(--clr-text-muted);
    margin-top: 0.4rem;
}

.pay-amount-hint.is-error {
    color: #b91c1c;
    font-weight: 600;
}

.confirm-field input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.confirm-field input:focus {
    border-color: var(--clr-accent);
}

.security-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--clr-text-muted);
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: var(--clr-bg-light);
    border-radius: 6px;
}

.security-note i {
    color: #22c55e;
    font-size: 1rem;
}

.btn-ghost {
    background: transparent;
    color: var(--clr-text-muted);
    border: none;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
}

.btn-ghost:hover {
    color: var(--clr-primary);
}

.payment-success {
    text-align: center;
    padding: 1rem 0;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    font-size: 4rem;
    color: #22c55e;
    margin-bottom: 1rem;
}

.payment-success h3 {
    margin-bottom: 0.5rem;
}

.payment-success p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin-bottom: 0.5rem;
}

.success-ref {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-primary);
    margin-bottom: 1.5rem !important;
}

.portal-dash-footer {
    margin-top: 0.75rem;
    display: flex;
    justify-content: flex-end;
}

.portal-security-badges {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--clr-text-muted);
}

.portal-security-badges i {
    margin-right: 0.25rem;
}

.badge-wompi {
    color: #7c3aed;
    letter-spacing: 1px;
}

.shake {
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* Portal Responsive */
@media (max-width: 900px) {
    .portal-container {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        max-height: 100dvh;
    }

    .portal-login {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .portal-login-visual {
        padding: 2rem 1.5rem 1.5rem;
        min-height: auto;
    }

    .portal-visual-features,
    .portal-brand-since {
        display: none;
    }

    .portal-logo-img {
        height: clamp(88px, 24vw, 120px);
        max-width: min(280px, 70vw);
    }

    .portal-brand-main {
        font-size: 1.5rem;
    }

    .portal-login-form {
        padding: 1.5rem;
    }

    .portal-dashboard {
        padding: 1rem;
    }

    .portal-dash-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .portal-dash-body {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .portal-invoices-header {
        display: none;
    }

    .invoice-card {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1rem;
        border: 1px solid var(--clr-border);
    }

    .invoice-ref-cell::before { content: 'Ref: '; color: var(--clr-text-muted); font-size: 0.7rem; }
    .invoice-date-cell::before { content: 'Vence: '; color: var(--clr-text-muted); font-size: 0.7rem; }
    .invoice-amount-cell::before { content: 'Valor: '; color: var(--clr-text-muted); font-size: 0.7rem; }

    .invoice-card-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        padding-left: 3.25rem;
    }

    .portal-sidebar {
        max-height: 45vh;
    }

    .portal-close {
        top: 0.75rem;
        right: 0.75rem;
    }
}