/* Import Google Fonts */
/* Space Grotesk - moderna, tech, bem legível com personalidade */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

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

:root {
    --primary-color: #3d5a6b;
    --accent-color: #5cb69f;
    --text-dark: #2c3e50;
    --text-light: #5a6c7d;
    --bg-light: #f8fafb;
    --white: #ffffff;

    /* Fonte única para todo o site */
    --font-main: 'Space Grotesk', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--white);
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: var(--white);
    border-bottom: 1px solid #e8ecef;
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: block;
    line-height: 0;
}

.logo {
    height: 36px;
    display: block;
}

/* Navigation */
nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

nav > a:hover {
    color: var(--accent-color);
}

nav > a.active {
    color: var(--accent-color);
}

nav > a.active:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
}

/* Dropdown Navigation */
.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown > a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-item-dropdown > a:hover {
    color: var(--accent-color);
}

.nav-item-dropdown > a.active {
    color: var(--accent-color);
}

.nav-item-dropdown > a.active:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 0;
    background: var(--white);
    border: 1px solid #e8ecef;
    border-radius: 4px;
    padding: 8px 0;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: var(--bg-light);
    border-left-color: var(--accent-color);
    color: var(--accent-color);
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-left: 16px;
}

.language-button {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid #e0e4e8;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-main);
}

.language-button:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.language-button svg {
    width: 16px;
    height: 16px;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: var(--white);
    border: 1px solid #e8ecef;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.language-option:hover {
    background: var(--bg-light);
    color: var(--accent-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.cta-button {
    background: var(--accent-color);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.cta-button:hover {
    background: #4a9d87;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 100px 0 120px;
    background: linear-gradient(135deg, #f8fafb 0%, #ffffff 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
}

.hero-image img {
    width: 110%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.hero-text {
    padding-left: 0;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.2;
}

.hero p {
    font-size: 21px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Section Base */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 38px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 64px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    max-width: 700px;
    margin: -48px auto 56px;
    line-height: 1.7;
}

/* Services Section */
.services-section {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    padding: 40px 32px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 16px;
}

.service-card ul {
    list-style: none;
    color: var(--text-light);
    font-size: 15px;
}

.service-card ul li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.service-card ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Offer Section */
.offer-section {
    background: var(--white);
    padding: 100px 0;
}

.offer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.offer-card {
    padding: 40px 36px;
    background: var(--white);
    border: 2px solid #e8ecef;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.offer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--accent-color);
    transition: height 0.3s ease;
}

.offer-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(92, 182, 159, 0.15);
}

.offer-card:hover::before {
    height: 100%;
}

.offer-card h3 {
    font-size: 19px;
    color: var(--text-dark);
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.3;
}

.offer-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
}

/* Work Models Section */
.work-models-section {
    background: var(--bg-light);
    padding: 100px 0 120px;
}

.work-models-first-layout {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 60px;
    align-items: start;
    margin-bottom: 60px;
}

.work-models-second-layout {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 60px;
    align-items: start;
}

.work-models-image,
.partner-image {
    width: 100%;
    position: sticky;
    top: 120px;
}

.work-models-image img,
.partner-image img {
    width: 100%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.work-model {
    background: var(--white);
    border-radius: 4px;
    padding: 56px;
    margin-bottom: 48px;
    border: 1px solid #e8ecef;
    scroll-margin-top: 100px;
}

.work-model:last-child {
    margin-bottom: 0;
}

.model-header {
    margin-bottom: 40px;
}

.model-header h3 {
    font-size: 30px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.model-subtitle {
    color: var(--text-light);
    font-size: 17px;
    font-weight: 500;
}

.method-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 36px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 14px;
    color: var(--text-light);
}

.billing-models {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.billing-card {
    padding: 28px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.billing-card:hover {
    border-left-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.8);
}

.billing-card h5 {
    font-size: 19px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.billing-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.billing-detail {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 3px;
    font-size: 13px;
    font-weight: 600;
}

/* Method Section */
.method-section {
    background: var(--bg-light);
}

.method-steps {
    max-width: 900px;
    margin: 0 auto;
}

.method-step {
    display: flex;
    gap: 28px;
    margin-bottom: 32px;
    align-items: flex-start;
    padding: 24px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.method-step:hover {
    border-left-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.8);
}

.method-step:last-child {
    margin-bottom: 0;
}

.step-number {
    min-width: 48px;
    height: 48px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3,
.step-content h5 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
}

.step-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-content ul li {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
}

.step-content ul li:last-child {
    margin-bottom: 0;
}

.step-content ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 18px;
}

/* Principles Section */
.principles-section {
    background: var(--white);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.principle-item {
    padding: 28px 32px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.principle-item p {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 500;
}

/* Cases Section */
.cases-section {
    background: var(--bg-light);
}

.proof-section {
    margin-bottom: 64px;
}

.proof-section:last-child {
    margin-bottom: 0;
}

.proof-title {
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    align-items: center;
    opacity: 0.6;
}

.client-logo {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-light);
}

/* Education Section */
.education-hero {
    background: var(--white);
    padding: 80px 0 100px;
}

.education-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.education-headline {
    font-size: 48px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 32px;
}

.education-subheadline {
    font-size: 20px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 60px;
}

.education-image-full {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto 80px;
    padding: 0 24px;
}

.education-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 3px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.education-cta {
    background: var(--bg-light);
    border-radius: 4px;
    padding: 48px 56px;
    border: 1px solid #e8ecef;
}

.cta-text {
    font-size: 18px;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 32px;
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(92, 182, 159, 0.2);
}

.cta-button:hover {
    background: #4da48c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(92, 182, 159, 0.3);
}

/* Contact Section */
.contact-section {
    background: var(--bg-light);
    padding: 120px 0 140px;
}

/* Thank You Section */
.thank-you-section {
    background: var(--bg-light);
    padding: 120px 0 140px;
    text-align: center;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 32px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.thank-you-section h1 {
    font-size: 42px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.thank-you-section p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.thank-you-section .cta-button {
    display: inline-block;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-section h2 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
}

.contact-intro {
    font-size: 18px;
    margin-bottom: 64px;
    color: var(--text-light);
    text-align: center;
    line-height: 1.7;
}

.contact-methods {
    max-width: 500px;
    margin: 0 auto;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--accent-color);
    color: var(--white);
    padding: 18px 36px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(92, 182, 159, 0.3);
    margin-bottom: 48px;
}

.whatsapp-button:hover {
    background: #4da48c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(92, 182, 159, 0.4);
}

.whatsapp-button svg {
    width: 24px;
    height: 24px;
}

.email-contact {
    text-align: center;
}

.email-contact p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.email-link {
    font-size: 20px;
    font-weight: 600;
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

.email-link:hover {
    color: var(--text-dark);
}

.contact-form {
    background: var(--white);
    padding: 48px;
    border-radius: 4px;
    border: 1px solid #e8ecef;
}

.form-group {
    margin-bottom: 32px;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    font-family: var(--font-main);
    color: var(--text-dark);
    background: var(--white);
    border: 1px solid #e0e4e8;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(92, 182, 159, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    padding: 14px 16px;
    border-radius: 4px;
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.5;
}

.form-message.error {
    background: #fee;
    color: #c00;
    border: 1px solid #fcc;
}

.form-message.success {
    background: #efe;
    color: #060;
    border: 1px solid #cfc;
}

.contact-form button[type="submit"] {
    width: 100%;
    margin-top: 8px;
}

.contact-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cta-button.white {
    background: var(--white);
    color: var(--primary-color);
}

.cta-button.white:hover {
    background: var(--bg-light);
}

/* Value Props Section */
.value-props {
    background: var(--white);
    padding: 100px 0;
}

.value-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.value-card {
    padding: 0;
    background: transparent;
    border: none;
    display: flex;
    flex-direction: column;
}

.value-card h3 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 32px;
    font-weight: 600;
    line-height: 1.3;
}

.value-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1;
}

.value-card ul li {
    color: var(--text-dark);
    font-size: 17px;
    line-height: 1.7;
    padding: 0;
    position: relative;
    padding-left: 28px;
}

.value-card ul li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    border-radius: 50%;
}

/* Clients Carousel */
.clients-carousel-section {
    background: var(--bg-light);
    padding: 60px 0;
    overflow: hidden;
}

.carousel-wrapper {
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    gap: 80px;
    animation: scroll 40s linear infinite;
}

.client-logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.client-logo-item img {
    height: 50px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.client-logo-item:hover img {
    opacity: 0.8;
}

.logo-circulei {
    opacity: 0.9 !important;
    filter: grayscale(100%) brightness(0.5) !important;
}

.client-logo-item:hover .logo-circulei {
    opacity: 1 !important;
}

.logo-sociosai {
    opacity: 0.9 !important;
    filter: grayscale(100%) brightness(0.5) !important;
}

.client-logo-item:hover .logo-sociosai {
    opacity: 1 !important;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Home Cases Section */
.home-cases {
    background: var(--white);
    padding: 100px 0;
}

.cases-content {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 60px;
    align-items: start;
}

.cases-image {
    width: 100%;
    position: sticky;
    top: 120px;
}

.cases-image img {
    width: 100%;
    height: auto;
    border-radius: 3px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.cases-wrapper {
    width: 100%;
}

.case-category {
    margin-bottom: 80px;
}

.case-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--accent-color);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.case-card {
    padding: 32px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.case-card h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.case-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-metric {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    margin-top: 16px;
    transition: all 0.2s ease;
}

.case-link:hover {
    color: var(--text-dark);
    transform: translateX(4px);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 60px;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 32px;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-nav {
    display: flex;
    gap: 32px;
    justify-content: center;
}

.footer-nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.2s ease;
    opacity: 0.8;
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.linkedin-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    transition: all 0.3s ease;
}

.linkedin-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.linkedin-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 14px;
    margin: 0;
}

/* Responsive */
@media (max-width: 968px) {
    .header-content {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid #e8ecef;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    }

    nav.active {
        max-height: 500px;
        padding: 16px 0;
    }

    nav a,
    .nav-item-dropdown > a {
        padding: 12px 24px;
        font-size: 15px;
        border-bottom: 1px solid #f0f0f0;
    }

    nav > a:hover,
    .nav-item-dropdown > a:hover {
        background: var(--bg-light);
    }

    nav > a.active:after,
    .nav-item-dropdown > a.active:after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        min-width: auto;
        background: var(--bg-light);
    }

    .nav-item-dropdown {
        display: flex;
        flex-direction: column;
    }

    .dropdown-item {
        padding: 10px 24px 10px 40px;
        font-size: 14px;
        border-bottom: 1px solid #e8ecef;
    }

    .language-selector {
        margin-left: 0;
        padding: 12px 24px;
        border-top: 1px solid #e8ecef;
    }

    .language-button {
        width: 100%;
        justify-content: center;
    }

    .language-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        margin-top: 8px;
        min-width: auto;
        background: var(--bg-light);
    }

    .language-option {
        padding: 10px 16px;
        border-bottom: 1px solid #e8ecef;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text {
        padding-left: 0;
        text-align: center;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-image img {
        width: 100%;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .cases-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cases-image {
        position: static;
    }

    .cases-image img {
        width: 100%;
    }

    .hero p {
        font-size: 18px;
    }

    .services-grid,
    .clients-grid {
        grid-template-columns: 1fr;
    }

    .principles-grid {
        grid-template-columns: 1fr;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .offer-grid {
        grid-template-columns: 1fr;
    }

    .billing-models {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .work-models-first-layout,
    .work-models-second-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .work-models-image,
    .partner-image {
        position: static;
    }

    .work-model {
        padding: 32px 24px;
    }

    .model-header h3 {
        font-size: 24px;
    }

    .education-hero {
        padding: 64px 0 64px;
    }

    .education-headline {
        font-size: 32px;
    }

    .education-subheadline {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .education-image-full {
        margin-bottom: 48px;
    }

    .education-cta {
        padding: 32px 24px;
    }

    .cta-text {
        font-size: 16px;
    }

    section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .category-title {
        font-size: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-nav {
        flex-direction: column;
        gap: 16px;
    }

    .footer-social {
        justify-content: center;
    }

    .contact-section {
        padding: 80px 0 100px;
    }

    .contact-section h2 {
        font-size: 32px;
    }

    .contact-intro {
        font-size: 16px;
        margin-bottom: 48px;
    }

    .whatsapp-button {
        font-size: 16px;
        padding: 16px 28px;
    }

    .email-link {
        font-size: 18px;
    }

    .contact-form {
        padding: 32px 24px;
    }

    .form-group {
        margin-bottom: 24px;
    }

    .form-group label {
        font-size: 15px;
    }

    .form-group input,
    .form-group textarea {
        font-size: 15px;
        padding: 12px 14px;
    }

    .thank-you-section {
        padding: 80px 0 100px;
    }

    .thank-you-section h1 {
        font-size: 32px;
    }

    .thank-you-section p {
        font-size: 16px;
    }

    .success-icon {
        width: 64px;
        height: 64px;
    }

    .success-icon svg {
        width: 48px;
        height: 48px;
    }
}