:root {
    --color-primary: #73f51d;
    --color-secondary: #01142d;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-dark: #333333;
    --color-gray-light: #CCCCCC;
    --color-background-light: #F8F8F8;
    --color-background-dark: #01142d;
    --color-button-light-text: #000000;
    --color-button-dark-text: #FFFFFF;
    --font-family-base: 'Poppins', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    --border-radius-sm: 0.125rem;
    --border-radius-md: 0.25rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 9999px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.7s ease;
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
    --section-padding-y-desktop: 80px;
    --section-padding-y-mobile: 40px;
    --section-padding-x: 0;
    --mobile-margin-x: 20px;
}
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    width: 100%;
    overflow-x: hidden;
}
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--color-primary);
}
ul {
    list-style: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}
button {
    cursor: pointer;
    background: none;
}
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}
p {
    margin-top: 0;
    margin-bottom: 1rem;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.section-padding {
    padding-top: var(--section-padding-y-desktop);
    padding-bottom: var(--section-padding-y-desktop);
    padding-left: var(--section-padding-x);
    padding-right: var(--section-padding-x);
}
.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.btn {
    display: inline-block;
    font-weight: var(--font-weight-medium);
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-md);
    line-height: 1.5;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.5s;
    z-index: -1;
}
.btn:hover::before {
    left: 100%;
}
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-button-light-text);
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-button-light-text);
}
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-button-dark-text);
    border-color: var(--color-secondary);
}
.btn-secondary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-button-dark-text);
}
.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}
.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-secondary);
}
.btn-outline-dark {
    background-color: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}
.btn-outline-dark:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}
.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
}
.btn-block {
    display: block;
    width: 100%;
}
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-index-fixed);
    transition: var(--transition-normal);
}
.preloader.hide {
    opacity: 0;
    visibility: hidden;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-light);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.header {
    background-color: var(--color-secondary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-sticky);
    box-shadow: var(--shadow-md);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img {
    max-width: 150px;
    height: auto;
}
.nav-menu ul {
    display: flex;
    gap: 2rem;
}
.nav-menu ul li a {
    color: var(--color-white);
    font-weight: var(--font-weight-medium);
    position: relative;
    padding-bottom: 0.25rem;
}
.nav-menu ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}
.nav-menu ul li a:hover::after {
    width: 100%;
}
.hamburger-menu {
    display: none;
    font-size: 1.5rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: var(--z-index-modal-backdrop);
}
.nav-menu .close-menu {
    display: none;
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: var(--color-white);
    cursor: pointer;
}
.hero-section {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-black));
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    padding-top: var(--section-padding-y-desktop);
    padding-bottom: var(--section-padding-y-desktop);
    display: flex;
    align-items: center;
    min-height: 600px;
}
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-4);
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-8);
    max-width: 700px;
}
.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}
.section-subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    position: relative;
}
.section-subtitle::before, .section-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: var(--color-primary);
}
.section-subtitle::before { left: -40px; }
.section-subtitle::after { right: -40px; }
.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
}
.section-description {
    font-size: var(--font-size-lg);
}
.about-section {
    background-color: var(--color-background-light);
}
.about-section .section-subtitle { color: var(--color-secondary); }
.about-section .section-title { color: var(--color-black); }
.about-section .section-description { color: var(--color-gray-dark); }
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
    justify-content: center;
}
.about-item {
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.about-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}
.about-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(115, 245, 29, 0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}
.about-item:hover .about-icon {
    transform: scale(1.1) rotate(5deg);
    background-color: var(--color-primary);
    color: var(--color-secondary);
}
.about-info h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: 1rem;
}
.about-info p {
    color: var(--color-gray-dark);
    margin-bottom: 0;
    font-size: var(--font-size-md);
    line-height: 1.5;
}
.partners-section {
    background-color: var(--color-background-dark);
}
.partners-section .section-subtitle { color: var(--color-primary); }
.partners-section .section-title { color: var(--color-white); }
.partners-section .section-description { color: var(--color-gray-light); }
.partner-card-horizontal {
    display: flex;
    flex-direction: row;
    gap: 3rem;
    max-width: 950px;
    align-items: flex-start;
    margin: 0 auto;
}

.partner-card-horizontal.reverse {
    flex-direction: row-reverse;
}

.partners-section-light {
    background-color: var(--color-background-light);
}

.partners-section-light .partner-name,
.partners-section-light .partner-oab,
.partners-section-light .partner-description,
.partners-section-light .partner-languages,
.partners-section-light .partner-areas ul li {
    color: var(--color-gray-dark);
}

.partners-section-light .partner-areas h4 {
    color: var(--color-secondary);
}

.partners-section-light .btn {
    background-color: var(--color-secondary);
    color: var(--color-white);
}
.partner-image-wrapper {
    flex-shrink: 0;
    width: 300px;
    max-width: 100%;
}
.partner-image-horizontal {
    width: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.partner-image-horizontal img {
    width: 100%;
    height: auto;
    object-fit: contain;
}
.partner-info-horizontal {
    flex-grow: 1;
    text-align: left;
}
.partner-info-horizontal .partner-name {
    font-size: var(--font-size-3xl);
}
.partner-info-horizontal .btn {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}
.partner-card {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}
.partner-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}
.partner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.partner-name {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
    color: var(--color-white);
}
.partners-section-light .partner-name {
    color: var(--color-black);
}
.partner-oab {
    font-size: var(--font-size-md);
    color: var(--color-gray-light);
    margin-bottom: 1rem;
}
.partner-description {
    font-size: var(--font-size-md);
    color: var(--color-gray-light);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}
.partner-languages {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    margin-bottom: 1rem;
}
.partner-areas h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}
.partner-areas ul {
    text-align: left;
    margin-left: 1rem;
}
.partner-areas ul li {
    font-size: var(--font-size-md);
    color: var(--color-gray-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}
.partner-areas ul li::before {
    content: '\2022';
    color: var(--color-primary);
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
}
.main-areas-section {
    background-color: var(--color-background-dark);
}
.main-areas-section .section-subtitle { color: var(--color-primary); }
.main-areas-section .section-title { color: var(--color-white); }
.main-areas-section .section-description { color: var(--color-gray-light); }
.main-areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.area-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.area-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}
.area-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(115, 245, 29, 0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}
.area-card:hover .area-icon {
    transform: scale(1.1) rotate(5deg);
    background-color: var(--color-primary);
    color: var(--color-secondary);
}
.area-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: 1rem;
}
.area-description {
    color: var(--color-gray-dark);
    font-size: var(--font-size-md);
    line-height: 1.5;
}
.other-areas-section {
    background-color: var(--color-background-light);
}
.other-areas-section .section-subtitle { color: var(--color-secondary); }
.other-areas-section .section-title { color: var(--color-black); }
.other-areas-section .section-description { color: var(--color-gray-dark); }
.other-areas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.other-area-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-dark);
    position: relative;
    overflow: hidden;
}
.other-area-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}
.other-area-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    transition: transform var(--transition-fast);
    position: relative;
    z-index: 1;
}
.other-area-card:hover .other-area-icon {
    transform: scale(1.1) rotate(5deg);
}
.other-area-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}
.principles-section {
    background-color: var(--color-background-dark);
}
.principles-section .section-subtitle { color: var(--color-primary); }
.principles-section .section-title { color: var(--color-white); }
.principles-section .section-description { color: var(--color-gray-light); }
.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.principle-card {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}
.principle-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.principle-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}
.principle-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}
.contact-section {
    background-color: var(--color-background-light);
}
.contact-section .section-subtitle { color: var(--color-secondary); }
.contact-section .section-title { color: var(--color-black); }
.contact-section .section-description { color: var(--color-gray-dark); }
.contact-info-content h3 { color: var(--color-black); }
.contact-info-content p { color: var(--color-gray-dark); }
.contact-form {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}
.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    transition: var(--transition-fast);
    color: var(--color-gray-dark);
    background-color: #f0f0f0;
}
.commitment-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.commitment-text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-light);
    margin-bottom: 0;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 3rem;
    justify-content: center;
}
.contact-info {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}
.contact-info-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}
.contact-info-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: 0.5rem;
}
.contact-info-content p {
    color: var(--color-gray-dark);
    margin-bottom: 0;
}
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}
.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    color: var(--color-secondary);
    border-radius: 50%;
    font-size: 1.25rem;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
}
.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-5px);
}
.contact-form-wrapper {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(115, 245, 29, 0.1);
}
.form-success {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    background-color: var(--color-background-light);
    color: var(--color-gray-dark);
    box-shadow: var(--shadow-md);
}
.form-success-icon {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.form-success h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-black);
    margin-bottom: 0.5rem;
}
.form-success p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-dark);
    margin-bottom: 0;
}
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding-top: var(--section-padding-y-desktop);
}
.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.footer-logo img {
    max-width: 180px;
    margin-bottom: 1.5rem;
    margin-left: auto;
    margin-right: auto;
}
.footer-description {
    color: var(--color-gray-light);
    margin-bottom: 2rem;
    max-width: 600px;
}
.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.copyright p {
    color: var(--color-gray-light);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    z-index: 99;
}
.back-to-top.active {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background-color: var(--color-primary);
    transform: translateY(-5px);
}
.esg-section {
    background-color: var(--color-background-light);
}
.esg-section .section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
}
.esg-section .section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    color: var(--color-black);
}
.esg-section .section-description {
    font-size: var(--font-size-lg);
    text-align: justify;
    color: var(--color-gray-dark);
}
.esg-content {
    max-width: 800px;
    margin: 0 auto;
}
.esg-content h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.esg-content h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}
.initiatives-list {
    list-style-type: none;
    padding-left: 0;
    margin-top: 1.5rem;
}
.initiatives-list li {
    margin-bottom: 2rem;
    padding-left: 2rem;
    position: relative;
}
.initiatives-list li::before {
    content: '\2022';
    color: var(--color-primary);
    font-weight: bold;
    display: inline-block; 
    width: 1em;
    margin-left: -1.5em;
    position: absolute;
    left: 1rem;
    top: 0.4rem;
}
.initiatives-list h4 {
    margin-top: 0;
}
@media (max-width: 991px) {
    :root {
        --section-padding-y-desktop: 60px;
    }
    .hero-title { font-size: var(--font-size-4xl); }
    .hero-subtitle { font-size: var(--font-size-lg); }
    .section-title { font-size: var(--font-size-3xl); }
    .section-description { font-size: var(--font-size-md); }
    .about-item, .partner-card, .area-card { max-width: none; }
    .main-areas-grid, .other-areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .header .container {
        flex-direction: row;
        justify-content: space-between;
    }
    .hamburger-menu {
        display: block;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--color-secondary);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(-100%);
        transition: transform var(--transition-fast);
        z-index: var(--z-index-modal);
    }
    .nav-menu.active {
        transform: translateX(0);
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    .nav-menu ul li a {
        font-size: var(--font-size-xl);
    }
    .nav-menu .close-menu {
        display: block;
    }
    .hero-title { font-size: var(--font-size-3xl); }
    .hero-subtitle { font-size: var(--font-size-md); }
    .hero-buttons { flex-direction: column; }
    .btn-block { width: auto; }
    .section-subtitle::before, .section-subtitle::after { width: 20px; }
    .section-subtitle::before { left: -30px; }
    .section-subtitle::after { right: -30px; }
    .main-areas-grid, .other-areas-grid, .principles-grid {
        grid-template-columns: 1fr;
    }
    .contact-content { flex-direction: column; }
    .contact-info, .contact-form-wrapper { min-width: 100%; }
    .partner-card-horizontal, .partner-card-horizontal.reverse {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .partner-info-horizontal {
        text-align: center;
    }
    .partner-areas ul {
        text-align: left;
        display: inline-block;
    }
}
@media (max-width: 576px) {
    .container {
        padding: 0 var(--mobile-margin-x);
    }
    .section-padding {
        padding-top: var(--section-padding-y-mobile);
        padding-bottom: var(--section-padding-y-mobile);
    }
    .hero-title { font-size: var(--font-size-2xl); }
    .hero-subtitle { font-size: var(--font-size-sm); }
    .section-title { font-size: var(--font-size-2xl); }
    .section-description { font-size: var(--font-size-sm); }
    .about-item, .partner-card, .area-card { padding: 1.5rem; }
    .partner-image { width: 100px; height: 100px; }
    .partner-name { font-size: var(--font-size-xl); }
    .area-icon { width: 60px; height: 60px; font-size: 2rem; }
    .area-title { font-size: var(--font-size-lg); }
    .other-area-item { padding: 1rem; padding-left: 2rem; }
    .other-area-item::before { left: 0.75rem; top: 1rem; font-size: 1rem; }
    .value-item { padding: 1.5rem; padding-top: 2.5rem; }
    .value-item::before { font-size: 1.5rem; }
    .value-title { font-size: var(--font-size-lg); }
    .contact-info-item { flex-direction: column; align-items: center; text-align: center; }
    .contact-info-icon { margin-right: 0; margin-bottom: 1rem; }
    .social-links { justify-content: center; }
}