:root {
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #131829;
    --color-bg-tertiary: #1a2138;
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #7c3aed;
    --color-text-primary: #e5e9f2;
    --color-text-secondary: #9ca3af;
    --color-border: #2d3548;
    --color-hover: #1e2a47;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    --font-primary: 'IBM Plex Sans', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

.iti, #phone {
    width: 100%;
}

.masthead {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 1.2rem 0;
    transition: var(--transition-smooth);
}

.masthead__brand {
    display: inline-block;
    padding: 0 3rem;
}

.brand-mark__image {
    height: 42px;
    width: auto;
    display: block;
}

.masthead__navigation {
    display: inline-block;
    vertical-align: middle;
    margin-left: 4rem;
}

.nav-primary {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-primary__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-primary__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transition: var(--transition-smooth);
}

.nav-primary__link:hover,
.nav-primary__link--active {
    color: var(--color-accent-primary);
}

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

.masthead__utilities {
    float: right;
    padding: 0 3rem;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-toggle__option {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.language-toggle__option:hover,
.language-toggle__option--active {
    color: var(--color-accent-primary);
}

.language-toggle__separator {
    color: var(--color-border);
}

.content-flow {
    margin-top: 90px;
}

.opening-statement {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.opening-statement__wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: 65% 35%;
    gap: 4rem;
    align-items: center;
}

.opening-statement__headline {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-text-primary);
    letter-spacing: -1px;
}

.opening-statement__subheadline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.opening-statement__visual {
    position: relative;
}

.opening-statement__image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.action-primary {
    display: inline-block;
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    border: 2px solid var(--color-accent-primary);
}

.action-primary:hover {
    background: transparent;
    color: var(--color-accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.action-primary--full {
    width: 100%;
    text-align: center;
}

.action-secondary {
    display: inline-block;
    background: transparent;
    color: var(--color-accent-primary);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    border: 2px solid var(--color-accent-primary);
}

.action-secondary:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
}

.metricas-clave {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.metricas-clave__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
    width: 65%;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    width: 65%;
    line-height: 1.7;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    width: 65%;
}

.metric-card {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.metric-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.metric-card__icon {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
}

.metric-card__title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.metric-card__value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
}

.metric-card__value--negative {
    color: var(--color-error);
}

.metric-card__description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.visualization-panel {
    padding: 5rem 0;
    background: var(--color-bg-secondary);
}

.visualization-panel__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.chart-controls {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
    width: 65%;
}

.chart-controls__group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chart-controls__label {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.chart-controls__button {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.chart-controls__button:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.chart-controls__button--active {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
}

.chart-wrapper {
    background: var(--color-bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    margin-bottom: 2rem;
    width: 65%;
}

.economic-chart {
    width: 100%;
    height: 400px;
}

.chart-insights {
    width: 65%;
}

.insight-card {
    background: var(--color-bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--color-accent-primary);
}

.insight-card__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.insight-card__date {
    font-size: 0.9rem;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
}

.insight-card__summary {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.educational-blocks {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.educational-blocks__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.explainer-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.explainer-module {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 3rem;
    align-items: start;
}

.explainer-module--reverse {
    grid-template-columns: 60% 40%;
}

.explainer-module--reverse .explainer-module__visual {
    order: 2;
}

.explainer-module__visual {
    position: relative;
}

.explainer-module__image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.explainer-module__content {
    padding-right: 2rem;
}

.explainer-module--reverse .explainer-module__content {
    padding-right: 0;
    padding-left: 2rem;
}

.explainer-module__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.explainer-module__text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.interactive-quiz {
    padding: 5rem 0;
    background: var(--color-bg-secondary);
}

.interactive-quiz__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.quiz-interface {
    width: 65%;
}

.quiz-question {
    display: none;
    background: var(--color-bg-tertiary);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.quiz-question.active {
    display: block;
}

.quiz-question__text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
    padding: 1.2rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.quiz-option.correct {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
}

.quiz-option.incorrect {
    border-color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.quiz-results {
    display: none;
    background: var(--color-bg-tertiary);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.quiz-results.active {
    display: block;
}

.quiz-results__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.quiz-results__score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
}

.quiz-results__feedback {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-invitation {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.contact-invitation__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.inquiry-form {
    width: 65%;
}

.form-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field--full {
    grid-column: 1 / -1;
}

.form-field__label {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-field__input,
.form-field__textarea {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 1rem;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-field__input:focus,
.form-field__textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-field__textarea {
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox__label {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-checkbox__label a {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.form-checkbox__label a:hover {
    text-decoration: underline;
}

.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.site-footer__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.footer-column__text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.page-header {
    padding: 4rem 0 2rem;
    background: var(--color-bg-secondary);
    margin-top: 90px;
}

.page-header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    width: 65%;
}

.page-header__title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.page-header__intro {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.about-content {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.about-content__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.about-module {
    display: grid;
    grid-template-columns: 35% 65%;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: start;
}

.about-module--reverse {
    grid-template-columns: 65% 35%;
}

.about-module--reverse .about-module__visual {
    order: 2;
}

.about-module__visual {
    position: relative;
}

.about-module__image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.about-module__text {
    padding-right: 2rem;
}

.about-module--reverse .about-module__text {
    padding-right: 0;
    padding-left: 2rem;
}

.about-module__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.about-module__paragraph {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.publications-listing {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.publications-listing__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.article-expandable {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 2rem;
    width: 65%;
    overflow: hidden;
}

.article-expandable__header {
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.article-expandable__header:hover {
    background: var(--color-hover);
}

.article-expandable__meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.article-expandable__date,
.article-expandable__category {
    font-size: 0.9rem;
    color: var(--color-accent-primary);
    font-weight: 500;
}

.article-expandable__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.article-expandable__excerpt {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.article-expandable__toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    color: var(--color-accent-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.article-expandable__toggle:hover {
    gap: 0.75rem;
}

.article-expandable__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.article-expandable__content.expanded {
    max-height: 10000px;
}

.article-expandable__body {
    padding: 0 2rem 2rem;
}

.article-expandable__image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.article-expandable__paragraph {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contact-details {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.contact-details__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    width: 65%;
}

.contact-info-card {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact-info-card__icon {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
}

.contact-info-card__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.contact-info-card__text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.map-container {
    margin-bottom: 4rem;
    width: 65%;
}

.map-container__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.map-container__iframe {
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact-cta {
    background: var(--color-bg-secondary);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
    width: 65%;
}

.contact-cta__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.contact-cta__text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.legal-document {
    padding: 5rem 0;
    background: var(--color-bg-primary);
}

.legal-document__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.legal-document__title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    width: 65%;
}

.legal-document__date {
    font-size: 1rem;
    color: var(--color-accent-primary);
    margin-bottom: 3rem;
    width: 65%;
}

.legal-document__content {
    width: 65%;
}

.legal-document__heading {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.legal-document__subheading {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.legal-document__paragraph {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.legal-document__list {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-document__list li {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.legal-document__content a {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.legal-document__content a:hover {
    text-decoration: underline;
}

.confirmation-message {
    padding: 8rem 0;
    background: var(--color-bg-primary);
}

.confirmation-message__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 3rem;
    text-align: center;
}

.confirmation-message__icon {
    font-size: 5rem;
    color: var(--color-success);
    margin-bottom: 2rem;
}

.confirmation-message__title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.confirmation-message__text {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.confirmation-message__actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 1200px) {
    .opening-statement__wrapper,
    .explainer-module,
    .about-module {
        grid-template-columns: 1fr;
    }
    
    .section-title,
    .section-intro,
    .metric-grid,
    .chart-controls,
    .chart-wrapper,
    .chart-insights,
    .quiz-interface,
    .inquiry-form,
    .article-expandable,
    .contact-info-grid,
    .map-container,
    .contact-cta,
    .legal-document__content,
    .legal-document__title,
    .legal-document__date,
    .page-header__container {
        width: 100%;
    }
    
    .explainer-module--reverse {
        grid-template-columns: 1fr;
    }
    
    .explainer-module__visual {
        order: 1;
    }
}

@media (max-width: 768px) {
    .masthead {
        padding: 1rem 0;
    }
    
    .masthead__brand,
    .masthead__utilities {
        padding: 0 1.5rem;
    }
    
    .masthead__navigation {
        display: none;
    }
    
    .opening-statement__headline {
        font-size: 2.5rem;
    }
    
    .metric-grid,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .form-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
    }
    
    .confirmation-message__title {
        font-size: 2rem;
    }
    
    .confirmation-message__actions {
        flex-direction: column;
    }
}