:root {
    --primary-color: #001D56;
    --secondary-color: #001D56;
    --accent-color: #F5A623;
    --text-color: #333333;
    --text-muted: #555555;
    --subtitle-color: #555555;
    --page-bg: #ffffff;
    --page-gradient: radial-gradient(circle at 18% 22%, rgba(13, 110, 253, 0.08), transparent 35%),
                     radial-gradient(circle at 82% 10%, rgba(111, 66, 193, 0.08), transparent 32%),
                     #f8f9fa;
    --surface: #ffffff;
    --surface-alt: #f4f6f8;
    --panel-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(248, 249, 250, 0.98));
    --border-color: rgba(0, 0, 0, 0.08);
    --header-bg: #ffffff;
    --footer-bg: #121212;
    --accordion-bg: #e7f1ff;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;
    --wave-color-light: rgba(0, 29, 86, 0.35);
    --wave-color-dark: rgba(13, 110, 253, 0.28);
    --bs-body-font-family: var(--font-body);
    --bs-font-sans-serif: var(--font-body);
}

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100; /* Para que siempre esté encima de todo */
    transition: transform 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1); /* Efecto de "palpitar" al pasar el mouse */
}

.whatsapp-float {
    color: #fff; /* icono blanco por defecto */
}

.whatsapp-float i {
    display: block;
    font-size: 28px;
    line-height: 60px; /* centra el icono verticalmente dentro del botón */
}
/* Ajustes para modo oscuro */
body.dark .whatsapp-float {
    background-color: #1c6b39; /* variante más profunda para mejor contraste en fondo oscuro */
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    color: #fff;
}
body {
    padding-top: 76px;
    font-family: var(--font-body);
    background: var(--page-gradient);
    color: var(--text-color);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.btn {
    font-family: var(--font-heading);
    font-weight: 700;
}

input, button, textarea, select {
    font-family: var(--font-body);
}

.btn {
    font-family: var(--font-body);
}

#theme-wave {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 4000;
    overflow: hidden;
}

#theme-wave::after {
    content: '';
    position: absolute;
    width: 160vmax;
    height: 160vmax;
    top: calc(var(--wave-y, 50%) - 80vmax);
    left: calc(var(--wave-x, 50%) - 80vmax);
    background: radial-gradient(circle at center, var(--wave-color, rgba(13, 110, 253, 0.45)) 0%, rgba(13, 110, 253, 0.05) 65%, rgba(13, 110, 253, 0) 75%);
    transform: scale(0.05);
    opacity: 0;
    border-radius: 50%;
    mix-blend-mode: screen;
}

#theme-wave.is-animating::after {
    animation: themeWave 0.65s ease-out forwards;
}

@keyframes themeWave {
    0% {
        transform: scale(0.12);
        opacity: 0.8;
    }
    55% {
        opacity: 0.55;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

.bg-light {
    background: transparent !important;
}

.card {
    background-color: var(--surface);
    color: var(--text-color);
    border-color: var(--border-color);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.accordion-item {
    background-color: var(--surface);
    border-color: var(--border-color);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

.accordion-button {
    background-color: var(--surface);
    color: var(--text-color);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease, box-shadow 0.6s ease;
}

.accordion-body {
    background-color: var(--surface);
    color: var(--text-color);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 2rem;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-color);
}

.brand-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

#hero {
    padding: 120px 0;
    background: radial-gradient(circle at 20% 20%, rgba(13, 110, 253, 0.08), transparent 35%),
                radial-gradient(circle at 80% 10%, rgba(111, 66, 193, 0.08), transparent 30%),
                #f8f9fa;
    color: var(--text-color);
}

#hero .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 24px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

#hero .btn-primary:hover {
    filter: brightness(0.92);
}

body.dark #hero {
    background: radial-gradient(circle at 20% 20%, rgba(125, 166, 255, 0.12), transparent 32%),
                radial-gradient(circle at 80% 10%, rgba(111, 66, 193, 0.12), transparent 28%),
                #0f172a;
    color: var(--text-color);
}

body.dark #hero .btn-primary {
    color: var(--ink-on-primary-dark, #0f172a);
}

.hero-visual {
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(240,244,248,0.9));
    padding: 12px;
}

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

body.dark .hero-visual {
    background: linear-gradient(135deg, rgba(32, 36, 44, 0.92), rgba(20, 23, 30, 0.92));
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

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

.header-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.6s ease;
}

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

.hamburger-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    z-index: 1040;
}

.hamburger-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.theme-toggle {
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-color);
    border-radius: 0.75rem;
    height: 40px;
    width: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

body.dark .theme-toggle:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.header-cta {
    margin-left: 1rem;
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.header-cta:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

body.dark {
    --page-bg: #1b1d22;
    --page-gradient: radial-gradient(circle at 18% 22%, rgba(125, 166, 255, 0.10), transparent 30%),
                     radial-gradient(circle at 82% 10%, rgba(111, 66, 193, 0.12), transparent 28%),
                     #0f172a;
    --surface: #23262c;
    --surface-alt: #1f2227;
    --panel-gradient: linear-gradient(145deg, rgba(32, 36, 44, 0.96), rgba(23, 26, 34, 0.96));
    --border-color: rgba(255, 255, 255, 0.12);
    --text-color: #e7e9ee;
    --text-muted: #b6bcc8;
    --subtitle-color: #b6bcc8;
    --header-bg: #1b1d22;
    --footer-bg: #16181d;
    --accordion-bg: #2a313d;
    --primary-color: #e6e6e6;
    --secondary-color: #e6e6e6;
    --ink-on-primary-dark: #0f172a;
    --wave-color-light: rgba(32, 45, 68, 0.6);
    --wave-color-dark: rgba(125, 166, 255, 0.4);
}

body.dark .theme-toggle:hover,
body.dark .header-cta:hover,
body.dark .header-nav a:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

body.dark .accordion-button::after {
    filter: invert(1);
}

@media (max-width: 991px) {
    body {
        padding-top: 76px;
    }

    .header-inner {
        flex-wrap: nowrap;
        gap: 1rem;
        padding: 0.5rem 0;
    }

    .hamburger-toggle {
        display: flex;
        margin-left: auto;
        order: 2;
    }

    .theme-toggle {
        order: 3;
        margin-left: 0;
    }

    .header-nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--header-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        max-height: calc(100vh - 76px);
        overflow-y: auto;
    }

    .header-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .header-nav a {
        width: 100%;
        padding: 0.75rem 0;
        font-size: 1.1rem;
    }
}

.navbar.navbar-scrolled {
    background-color: #fff !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-scrolled .nav-link {
    color: var(--text-color) !important;
}

.navbar-scrolled .navbar-brand {
    color: var(--text-color) !important;
}

.navbar-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.nav-link {
    font-weight: 700;
}

#features, #pricing, #faq, #contact {
    padding: 6rem 0;
    background: transparent;
}

#impact {
    background: transparent;
}

#features .card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#features .card .card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

#features .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

#features .text-primary {
    color: var(--primary-color) !important;
}

#pricing .card {
    border-radius: 1rem;
}

.pricing-card {
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 29, 86, 0.15);
}

body.dark .pricing-card:hover {
    box-shadow: 0 12px 24px rgba(245, 166, 35, 0.15);
}

.pricing-card .card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-list {
    flex-grow: 1;
}

.pricing-cta {
    margin-top: auto;
}

#pricing .card-price {
    font-size: 3rem;
    color: var(--primary-color);
}

#pricing .period {
    font-size: 0.8rem;
    color: var(--subtitle-color);
}

#pricing .btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #fff;
}

body.dark #pricing .btn-primary,
body.dark #contact .btn-primary,
body.dark .btn-primary {
    color: var(--ink-on-primary-dark, #0f172a);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.impact-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease, transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.impact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 20px rgba(0, 29, 86, 0.12);
}

body.dark .impact-card:hover {
    box-shadow: 0 12px 20px rgba(245, 166, 35, 0.12);
}

.impact-card-highlight {
    background-color: var(--secondary-color);
    color: white;
}

body.dark .impact-card-highlight,
body.dark .impact-card-highlight .impact-number,
body.dark .impact-card-highlight .impact-text {
    color: var(--ink-on-primary-dark, #0f172a);
}

.impact-number {
    font-size: 3rem;
    font-weight: 700;
}

#faq .accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background-color: var(--accordion-bg);
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease;
}

#contact .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Dark mode form controls */
body.dark .form-control,
body.dark .form-select,
body.dark textarea {
    background-color: #2b3038;
    border-color: #3a414d;
    color: var(--text-color);
}

body.dark .form-control:focus,
body.dark .form-select:focus,
body.dark textarea:focus {
    background-color: #2f3540;
    border-color: #5a6b82;
    color: var(--text-color);
    box-shadow: 0 0 0 0.1rem rgba(230, 230, 230, 0.08);
}

body.dark .form-control::placeholder,
body.dark textarea::placeholder {
    color: #ffffff;
    opacity: 0.7;
}

/* intl-tel-input styling */
.iti {
    width: 100%;
    font-family: var(--font-body);
}

.iti__input {
    width: 100%;
    padding: 0.485rem 0.75rem;
    font-family: var(--font-body);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 0.375rem;
    background-color: #ffffff;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, background-color 0.15s ease-in-out, color 0.15s ease-in-out;
}

.iti__input::placeholder {
    color: var(--text-muted);
}

.iti__input:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 29, 86, 0.25);
    background-color: #ffffff;
    color: var(--text-color);
}

.iti__input::placeholder {
    color: #ffffff;
    opacity: 0.8;
}

.iti__input:focus::placeholder {
    opacity: 0.6;
}

.iti__flag-container {
    background-color: transparent;
    border-right: 1px solid rgba(0, 0, 0, 0.12);
}

.iti__flag {
    background-image: url('https://cdn.jsdelivr.net/npm/intl-tel-input@24.3.0/build/img/flags.webp');
    margin-right: 0.5rem;
}

.iti__country-name {
    color: var(--text-color);
    font-size: 0.95rem;
}

.iti__dropdown-content {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: 220px;
    overflow-y: auto;
}

.iti__list-item {
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: background-color 0.15s ease;
    border-bottom: 1px solid var(--border-color);
}

.iti__list-item:last-child {
    border-bottom: none;
}

.iti__list-item:hover {
    background-color: rgba(0, 29, 86, 0.08);
}

.iti__list-item.iti__preferred {
    background-color: rgba(0, 29, 86, 0.06);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.iti__list-item.iti__active {
    background-color: rgba(0, 29, 86, 0.12);
}

.iti__flag-box {
    margin-right: 0.5rem;
}

/* Dark mode intl-tel-input */
body.dark .iti__input {
    background-color: #2b3038;
    border-color: #3a414d;
    color: var(--text-color);
}

body.dark .iti__input::placeholder {
    color: #ffffff;
    opacity: 0.7;
}

body.dark .iti__input::placeholder {
    color: var(--text-muted);
}

body.dark .iti__input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(245, 166, 35, 0.25);
    background-color: #2f3540;
}

body.dark .iti__flag-container {
    border-right-color: #3a414d;
}

body.dark .iti__dropdown-content {
    background-color: #2b3038;
    border-color: #3a414d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body.dark .iti__list-item {
    color: var(--text-color);
    border-bottom-color: #3a414d;
}

body.dark .iti__list-item:hover {
    background-color: rgba(245, 166, 35, 0.1);
}

body.dark .iti__list-item.iti__preferred {
    background-color: rgba(245, 166, 35, 0.08);
    border-color: #3a414d;
}

body.dark .iti__list-item.iti__active {
    background-color: rgba(245, 166, 35, 0.15);
}

footer.footer-main {
    background-color: var(--footer-bg);
    color: #e7e9ee;
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease;
}

.footer-link {
    color: #e7e9ee;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #ffffff;
}

body.dark .footer-link,
body.dark .footer-link span {
    color: #ffffff;
}

body.dark .footer-link:hover {
    color: var(--accent-color);
}

.footer-social {
    color: #e7e9ee;
    transition: color 0.2s ease;
}

.footer-social:hover {
    color: #ffffff;
}

body.dark .footer-social {
    color: #ffffff;
}

body.dark .footer-social:hover {
    color: var(--accent-color);
}

.footer-note {
    color: #b6bcc8;
}

.honeypot-field {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.footer-lang-btn {
    background: var(--surface);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.footer-lang-btn:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background: var(--surface);
}

body.dark .footer-lang-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.site-header,
section,
#hero,
#impact,
#features,
#pricing,
#faq,
#contact,
.card,
.accordion-item,
.impact-card,
.solution-card,
footer,
.btn-primary,
.theme-toggle,
.header-nav a,
.header-cta {
    transition: background 0.6s ease, background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease, box-shadow 0.6s ease;
}
/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast-notification {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background-color: #ffffff;
    border-left: 4px solid #10b981;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    min-width: 340px;
    animation: slideInRight 0.3s ease-out forwards;
}

.toast-notification.success {
    border-left-color: #10b981;
    background-color: #f0fdf4;
}

.toast-notification.success .toast-notification-icon {
    color: #10b981;
}

.toast-notification.error {
    border-left-color: #ef4444;
    background-color: #fef2f2;
}

.toast-notification.error .toast-notification-icon {
    color: #ef4444;
}

.toast-notification-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-notification-content {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1f2937;
}

.toast-notification.error .toast-notification-content {
    color: #991b1b;
}

.toast-notification-close {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    transition: color 0.2s ease;
}

.toast-notification-close:hover {
    color: #6b7280;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast-notification.hide {
    animation: slideOutRight 0.3s ease-in forwards;
}

/* Dark mode for toasts */
body.dark .toast-notification {
    background-color: #1f2937;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

body.dark .toast-notification.success {
    background-color: rgba(16, 185, 129, 0.15);
}

body.dark .toast-notification.error {
    background-color: rgba(239, 68, 68, 0.15);
}

body.dark .toast-notification-content {
    color: #f3f4f6;
}

body.dark .toast-notification.error .toast-notification-content {
    color: #fecaca;
}

body.dark .toast-notification-close {
    color: #6b7280;
}

body.dark .toast-notification-close:hover {
    color: #9ca3af;
}

/* Mobile responsive */
@media (max-width: 576px) {
    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
    
    .toast-notification {
        min-width: auto;
        max-width: none;
    }
}