/* ===== CSS RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #222222;
    color: #f5f5f5;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Colors */
    --color-accent: #01a9aa;
    --color-accent-hover: #018a8a;
    --color-dark: #222222;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    
    /* Typography */
    --font-display: 'Oswald', sans-serif;
    --font-squada: 'Squada One', cursive;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== ACCESSIBILITY ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== TYPOGRAPHY ===== */
.font-display {
    font-family: var(--font-display);
}

.font-squada {
    font-family: var(--font-squada);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 6rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3.75rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-md);
}

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

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Icon sizing */
.icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.icon-sm {
    width: 1rem;
    height: 1rem;
}

.icon-lg {
    width: 1.5rem;
    height: 1.5rem;
}

.icon-xl {
    width: 3rem;
    height: 3rem;
}

.icon-2xl {
    width: 4rem;
    height: 4rem;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(34, 34, 34, 0.9);
    backdrop-filter: blur(8px);
    transition: all var(--transition-normal);
    padding-top: env(safe-area-inset-top);
}

.header.scrolled {
    background-color: rgba(34, 34, 34, 0.95);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

.logo-image {
    height: 3.5rem;
    width: auto;
    max-width: 280px;
    object-fit: contain;
}

.logo-accent {
    color: var(--color-accent);
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-gray-300);
    font-weight: 500;
    transition: color var(--transition-normal);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-white);
}

.cta-button {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: background-color var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.cta-button:hover,
.cta-button:focus {
    background-color: var(--color-accent-hover);
}

.cta-button-large {
    font-size: 1.125rem;
    padding: var(--spacing-md) var(--spacing-2xl);
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu {
    display: none;
    background-color: rgba(34, 34, 34, 0.95);
    backdrop-filter: blur(8px);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-gray-800);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-gray-300);
    transition: color var(--transition-normal);
}

.mobile-menu .nav-link:hover,
.mobile-menu .nav-link:focus {
    color: var(--color-white);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-fallback {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

.hero-overlay {
    background: linear-gradient(
        to top,
        rgba(34, 34, 34, 1) 0%,
        rgba(34, 34, 34, 0.6) 60%,
        rgba(34, 34, 34, 0.8) 100%
    );
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.hero-content {
    max-width: 64rem;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(1, 169, 170, 0.1);
    color: var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(1, 169, 170, 0.2);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    max-width: 42rem;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    margin-top: var(--spacing-xl);
}

.hero-button {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-accent);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.hero-button:hover,
.hero-button:focus {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-white {
    background-color: var(--color-white);
    color: var(--color-dark);
}

.section-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(1, 169, 170, 0.1);
    color: var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(1, 169, 170, 0.2);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.section-description {
    color: var(--color-gray-600);
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.6;
}

.accent-line {
    height: 4px;
    width: 5rem;
    background-color: var(--color-accent);
    margin: var(--spacing-md) auto 0;
}

/* Offset for fixed header */
section[id] {
    scroll-margin-top: 100px;
}

/* ===== ABOUT SECTION ===== */
.quem-somos-content {
    max-width: 56rem;
    margin: 0 auto;
}

/* Company Description Section */
.company-description-section {
    margin-bottom: var(--spacing-3xl);
}

.company-description {
    color: var(--color-gray-700);
    line-height: 1.8;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.company-description strong {
    color: var(--color-dark);
    font-weight: 600;
}

/* Strengths Section */
.strengths-section {
    margin-bottom: var(--spacing-3xl);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.strength-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition-normal);
}

.strength-item:hover {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.strength-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.strength-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.strength-content h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-dark);
    font-size: 1.125rem;
    font-weight: 600;
}

.strength-content p {
    margin: 0;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Coverage Section */
.coverage-section {
    background-color: var(--color-gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.coverage-content {
    text-align: center;
}

.coverage-title {
    margin: 0 0 var(--spacing-lg) 0;
    color: var(--color-dark);
    font-size: 1.5rem;
    font-weight: 600;
}

.coverage-description {
    color: var(--color-gray-600);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 40rem;
    margin: 0 auto;
}

/* ===== DIFFERENTIATORS SECTION ===== */
.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.diferencial-card {
    background-color: #2a2a2a;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.diferencial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.diferencial-card:hover::before {
    transform: scaleX(1);
}

.diferencial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.diferencial-icon {
    width: 3rem;
    height: 3rem;
    background-color: rgba(1, 169, 170, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.diferencial-title {
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.diferencial-description {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.diferencial-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-300);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.diferencial-feature .icon {
    color: var(--color-accent);
}

/* ===== LICENSES SECTION ===== */
.licencas-content {
    max-width: 64rem;
    margin: 0 auto;
}

.licencas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.licenca-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(1, 169, 170, 0.2);
    transition: all var(--transition-normal);
}

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

.licenca-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: transparent;
    min-height: 100px;
}

.licenca-logo-image {
    max-width: 80px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0);
    transition: all var(--transition-normal);
}

.licenca-card:hover .licenca-logo-image {
    transform: scale(1.05);
}

.licenca-title {
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.licenca-description {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

.licencas-info {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(1, 169, 170, 0.2);
}

.licencas-info-title {
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark);
}

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.produto-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

.produto-item .icon {
    color: var(--color-accent);
}

/* ===== NATIONAL COVERAGE SECTION ===== */
.atuacao-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 64rem;
    margin: 0 auto;
}

.atuacao-text {
    text-align: left;
}

.regioes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.regiao-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.regiao-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.atuacao-visual {
    text-align: center;
}

.mapa-brasil {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brasil-map {
    width: 100%;
    height: auto;
    max-width: 400px;
    filter: brightness(10);
}

/* ===== SERVICES SECTION ===== */
.solucoes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.solucao-card {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(1, 169, 170, 0.1);
    transition: all var(--transition-normal);
}

.solucao-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.solucao-icon {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.solucao-title {
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.solucao-description {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ===== CTA SECTION ===== */
.cta-section {
    text-align: center;
}

.cta-content {
    max-width: 64rem;
    margin: 0 auto;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(1, 169, 170, 0.1);
    color: var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(1, 169, 170, 0.2);
}

.cta-title {
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin: var(--spacing-md) 0 var(--spacing-xl);
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-300);
    font-size: 0.875rem;
    font-weight: 500;
}

.cta-feature .icon {
    color: var(--color-accent);
}

.cta-button-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    border-top: 1px solid var(--color-gray-800);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.footer-logo {
    text-align: left;
}

.footer-logo .logo-image {
    height: 2.75rem;
    max-width: 220px;
}

.footer-description {
    color: var(--color-gray-500);
    margin: var(--spacing-sm) 0;
    max-width: 20rem;
}

.footer-location {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.footer-section h3 {
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-gray-400);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.footer-section li .icon {
    color: var(--color-gray-400);
}

.footer-section a {
    color: inherit;
    transition: color var(--transition-normal);
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--color-gray-400);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.social-link:hover,
.social-link:focus {
    color: var(--color-accent);
    background-color: rgba(1, 169, 170, 0.1);
}

.social-handle {
    color: var(--color-gray-400);
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--color-white);
    width: 100%;
    max-width: 32rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    color: var(--color-dark);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-button {
    color: var(--color-gray-400);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-normal);
    padding: var(--spacing-xs);
}

.close-button:hover,
.close-button:focus {
    color: var(--color-gray-800);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-family: inherit;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(1, 169, 170, 0.1);
}

.form-input:invalid {
    border-color: #ef4444;
}

.form-input:valid {
    border-color: #10b981;
}

/* Select styling */
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Textarea styling */
textarea.form-input {
    resize: vertical;
    min-height: 6rem;
    font-family: inherit;
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-input:invalid + .form-error {
    display: block;
}

.form-submit {
    width: 100%;
    justify-content: center;
}

.success-message {
    margin-top: var(--spacing-md);
    text-align: center;
    padding: var(--spacing-sm);
    background-color: #dcfce7;
    color: #166534;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.success-message .icon {
    color: #16a34a;
}

/* ===== ANIMATIONS ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .logo-image {
        height: 2.75rem;
        max-width: 200px;
    }
    
    .footer-logo .logo-image {
        height: 2.25rem;
        max-width: 160px;
    }
    
    .quem-somos-content {
        gap: var(--spacing-xl);
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .strength-item {
        padding: var(--spacing-lg);
    }
    
    .coverage-section {
        padding: var(--spacing-lg);
    }
    
    .strength-item:hover {
        transform: none;
    }
    
    .atuacao-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .diferenciais-grid {
        grid-template-columns: 1fr;
    }
    
    .licencas-grid {
        grid-template-columns: 1fr;
    }
    
    .licenca-logo {
        min-height: 80px;
        padding: var(--spacing-sm);
    }
    
    .licenca-logo-image {
        max-width: 60px;
        max-height: 60px;
    }
    
    .solucoes-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        text-align: center;
    }
    
    .footer-logo {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .quem-somos-content {
        gap: var(--spacing-md);
    }
    
    .company-description {
        font-size: 1rem;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    
    .strength-item {
        padding: var(--spacing-md);
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .strength-content h3 {
        font-size: 1rem;
    }
    
    .strength-content p {
        font-size: 0.875rem;
    }
    
    .coverage-section {
        padding: var(--spacing-md);
    }
    
    .coverage-title {
        font-size: 1.25rem;
    }
    
    .coverage-description {
        font-size: 0.875rem;
    }
    
    .licenca-logo {
        min-height: 70px;
        padding: var(--spacing-xs);
    }
    
    .licenca-logo-image {
        max-width: 50px;
        max-height: 50px;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 360px) {
    .nav-desktop {
        gap: var(--spacing-md);
    }
    
    .logo-image {
        max-width: 160px;
        height: 2.25rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===== CLIENTS SECTION ===== */
.clientes-content {
    max-width: 64rem;
    margin: 0 auto;
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.cliente-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: #2a2a2a;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cliente-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.cliente-card:hover::before {
    transform: scaleX(1);
}

.cliente-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.cliente-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(1, 169, 170, 0.05);
    border-radius: var(--radius-md);
    min-height: 120px;
}

.cliente-logo-image {
    max-width: 120px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0);
    transition: all var(--transition-normal);
}

.cliente-card:hover .cliente-logo-image {
    transform: scale(1.05);
}

.cliente-title {
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 600;
}

.cliente-description {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    line-height: 1.5;
}

.clientes-info {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: #2a2a2a;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.clientes-info-title {
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 600;
}

.clientes-info-description {
    color: var(--color-gray-300);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 40rem;
    margin: 0 auto var(--spacing-lg);
}

.clientes-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.cliente-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-300);
    font-size: 0.875rem;
}

.cliente-feature .icon {
    color: var(--color-accent);
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .mobile-menu,
    .modal,
    .hero-video-container,
    .cta-section,
    .footer {
        display: none !important;
    }
    
    .hero {
        height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-overlay {
        background: none;
        position: static;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
        break-inside: avoid;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section-dark {
        background: white;
        color: black;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in-up {
        opacity: 1;
        transform: none;
    }
    
    .hero-button:hover,
    .hero-button:focus {
        transform: none;
    }
    
    .highlight-item:hover {
        transform: none;
    }
    
    .feature-card:hover {
        transform: none;
    }
    
    .stat-item:hover {
        transform: none;
    }
    
    .diferencial-card:hover {
        transform: none;
    }
    
    .licenca-card:hover {
        transform: none;
    }
    
    .solucao-card:hover {
        transform: none;
    }
}