/**
 * UCloud Services - Main Stylesheet
 * 
 * Estrutura:
 * 1. Reset / Base
 * 2. Typography
 * 3. Layout / Container
 * 4. Components (Buttons, Forms, Cards)
 * 5. Header / Navigation
 * 6. Hero Section
 * 7. Sections (Sobre, Diferencial, Serviços, Depoimentos, Contato)
 * 8. Footer
 * 9. Utilities
 * 10. Animations
 * 11. Responsive / Media Queries
 */

/* =========================================
   1. RESET / BASE
   ========================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

address {
    font-style: normal;
}

/* Focus Styles - WCAG 2.2 AA */
:focus {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: var(--z-tooltip);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--space-4);
    color: var(--color-white);
}

/* =========================================
   2. TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-dark);
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-700);
}

strong {
    font-weight: var(--font-weight-semibold);
}

/* =========================================
   3. LAYOUT / CONTAINER
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-12);
}

.section-title {
    margin-bottom: var(--space-4);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    margin: var(--space-4) auto 0;
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   4. COMPONENTS - Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus-visible {
    outline-offset: 4px;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* Button Loading State */
.btn .btn-loading {
    display: none;
}

.btn.is-loading .btn-text {
    visibility: hidden;
}

.btn.is-loading .btn-loading {
    display: block;
    position: absolute;
}

.btn.is-loading {
    position: relative;
    pointer-events: none;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =========================================
   4. COMPONENTS - Forms
   ========================================= */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-dark);
}

.form-label .required {
    color: var(--color-error);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-400);
}

.form-input:hover,
.form-textarea:hover {
    border-color: var(--color-gray-300);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    outline: none;
}

.form-input.is-error,
.form-textarea.is-error {
    border-color: var(--color-error);
}

.form-input.is-error:focus,
.form-textarea.is-error:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

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

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--color-error);
    min-height: var(--font-size-sm);
}

/* =========================================
   5. HEADER / NAVIGATION
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    height: var(--header-height);
    background-color: rgba(var(--color-white-rgb), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header.is-scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: var(--space-3) 0;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--color-dark);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
    color: var(--color-dark);
}

.logo-icon {
    height: 40px;
    width: 192px; /* Proporcional ao viewBox 240x50 */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.05);
}

.nav-cta {
    margin-left: var(--space-4);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.nav-toggle:hover {
    background-color: var(--color-gray-50);
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* =========================================
   6. HERO SECTION
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-title .highlight {
    color: var(--color-primary);
    position: relative;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 100%;
    max-width: 500px;
}

.hero-illustration svg {
    width: 100%;
    height: auto;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.03) 0%, rgba(var(--color-secondary-rgb), 0.05) 100%);
    z-index: -1;
}

.hero-bg-pattern::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--color-secondary-rgb), 0.1) 0%, transparent 70%);
}

/* =========================================
   7. SOBRE SECTION
   ========================================= */
.sobre {
    background-color: var(--color-gray-50);
}

.sobre-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-12);
}

.sobre-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.sobre-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.sobre-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.sobre-card-title {
    margin-bottom: var(--space-3);
    color: var(--color-dark);
}

.sobre-card-text {
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
}

/* =========================================
   7. DIFERENCIAL SECTION
   ========================================= */
.diferencial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.diferencial-card {
    padding: var(--space-6);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.diferencial-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.diferencial-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-4);
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.diferencial-card:hover .diferencial-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.diferencial-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
}

.diferencial-text {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* =========================================
   7. SERVIÇOS SECTION
   ========================================= */
.servicos {
    background-color: var(--color-gray-50);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.servico-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.servico-icon {
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.servico-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
}

.servico-description {
    color: var(--color-gray-600);
    flex-grow: 1;
    margin-bottom: var(--space-4);
}

.servico-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.servico-tags li {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-full);
}

/* =========================================
   7. DEPOIMENTOS SECTION
   ========================================= */
.depoimentos-carousel {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.depoimentos-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.depoimento-card {
    flex: 0 0 100%;
    min-width: 100%;
    min-height: 320px;
    padding: var(--space-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.depoimento-quote {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.depoimento-quote p {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-700);
    font-style: italic;
    position: relative;
    padding: 0 var(--space-4);
}

.depoimento-quote p::before {
    content: '"';
    position: absolute;
    left: -10px;
    top: -20px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
}

.depoimento-quote p::after {
    content: '"';
    position: absolute;
    right: -10px;
    bottom: -30px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
}

.depoimento-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
}

.depoimento-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.depoimento-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    font-style: normal;
    color: var(--color-dark);
}

.depoimento-role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.depoimento-company {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-top: var(--space-1);
}

.depoimentos-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.carousel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.carousel-indicators {
    display: flex;
    gap: var(--space-2);
}

.indicator {
    width: 12px;
    height: 12px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.indicator:hover {
    background-color: var(--color-gray-300);
}

.indicator.active {
    background-color: var(--color-primary);
    transform: scale(1.2);
}

/* =========================================
   7. CONTATO SECTION
   ========================================= */
.contato {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.contato-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-12);
    align-items: start;
}

.contato-form-wrapper {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contato-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-group-full {
    grid-column: span 2;
}

.form-success {
    text-align: center;
    padding: var(--space-12);
}

.form-success svg {
    margin: 0 auto var(--space-4);
}

.form-success h3 {
    color: var(--color-success);
    margin-bottom: var(--space-2);
}

.form-success p {
    color: var(--color-gray-600);
}

.contato-info {
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
}

.contato-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.contato-card-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-6);
    color: var(--color-white);
}

.contato-details {
    margin-bottom: var(--space-6);
}

.contato-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-base);
}

.contato-item:last-child {
    margin-bottom: 0;
}

.contato-item a {
    color: var(--color-white);
}

.contato-item a:hover {
    text-decoration: underline;
}

.contato-icon {
    flex-shrink: 0;
    opacity: 0.9;
}

.contato-social {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(var(--color-white-rgb), 0.2);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(var(--color-white-rgb), 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
    background-color: rgba(var(--color-white-rgb), 0.2);
    transform: translateY(-2px);
    color: var(--color-white);
}

.contato-legal {
    padding-top: var(--space-4);
    border-top: 1px solid rgba(var(--color-white-rgb), 0.2);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.contato-legal p {
    margin-bottom: var(--space-2);
}

/* =========================================
   8. FOOTER
   ========================================= */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-block;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-logo:hover {
    color: var(--color-white);
    opacity: 0.9;
}

.footer-logo .logo-icon {
    height: 36px;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-nav-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-contact address {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-contact a {
    color: var(--color-gray-400);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact p {
    margin-bottom: var(--space-2);
}

.footer-bottom {
    padding-top: var(--space-8);
    text-align: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* =========================================
   8. BACK TO TOP BUTTON
   ========================================= */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.back-to-top:not([hidden]) {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* =========================================
   9. UTILITIES
   ========================================= */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* =========================================
   10. ANIMATIONS
   ========================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp var(--transition-slow) var(--ease-out) forwards;
}

/* Animate on scroll - classes aplicadas via JS */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animate-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   11. RESPONSIVE / MEDIA QUERIES
   ========================================= */

/* Tablet Landscape */
@media (max-width: 1199px) {
    .hero .container {
        gap: var(--space-8);
    }
    
    .servicos-grid,
    .diferencial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet Portrait */
@media (max-width: 991px) {
    html {
        scroll-padding-top: var(--header-height-mobile);
    }
    
    .header {
        height: var(--header-height-mobile);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        background-color: var(--color-white);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-menu.is-open {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--space-4);
        font-size: var(--font-size-lg);
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: calc(var(--header-height-mobile) + var(--space-12)) 0 var(--space-12);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-illustration {
        max-width: 400px;
    }
    
    .hero-bg-pattern {
        width: 100%;
        height: 50%;
    }
    
    .sobre-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .contato-grid {
        grid-template-columns: 1fr;
    }
    
    .contato-info {
        position: static;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: none;
    }
}

/* Mobile Large */
@media (max-width: 767px) {
    .section {
        padding: var(--space-16) 0;
    }
    
    .diferencial-grid,
    .servicos-grid {
        grid-template-columns: 1fr;
    }
    
    .contato-form {
        grid-template-columns: 1fr;
    }
    
    .form-group-full {
        grid-column: span 1;
    }
    
    .depoimento-card {
        padding: var(--space-6);
        margin: var(--space-2);
    }
    
    .depoimento-quote p {
        font-size: var(--font-size-lg);
        padding-left: var(--space-6);
    }
    
    .depoimento-quote p::before {
        font-size: 3rem;
    }
}

/* Mobile */
@media (max-width: 575px) {
    .section {
        padding: var(--space-12) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-8);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .sobre-card,
    .contato-form-wrapper,
    .contato-card {
        padding: var(--space-6);
    }
    
    .diferencial-card,
    .servico-card {
        padding: var(--space-5);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 44px;
        height: 44px;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav-toggle,
    .back-to-top,
    .hero-bg-pattern,
    .carousel-btn,
    .carousel-indicators {
        display: none !important;
    }
    
    .section {
        padding: var(--space-8) 0;
        page-break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
    }
}